 HELSINKI    1903     JANUARY                                        HOURLY MEANS OF HORIZONTAL INTENSITY  =  156000 + TABULAR VALUES
                                                                                                                          ( 0.1  nT )

 Hour    0    1    2    3    4    5    6    7    8    9   10   11   12   13   14   15   16   17   18   19   20   21   22   23    Mean
 Day
 01                                  1473                               1629                               1644                  1582
 02                                  1503                               1602                               1602                  1569
 03                                  1493                               1617                               1623                  1578
 04                                  1534                               1571                               1519                  1541
 05                                  1643                               1576                               1586                  1602

 06                                  1534                               1523                               1555                  1537
 07                                  1518                               1565                               1601                  1561
 08                                  1498                               1576                               1586                  1553
 09                                  1540                               1540                               1581                  1554
 10                                  1597                               1524                               1602                  1574

 11                                  1530                               1504                               1431                  1488
 12                                  1504                               1582                               1598                  1561
 13                                  1577                               1645                               1665                  1629
 14                                  1582                               1556                               1634                  1591
 15                                  1524                               1607                               1586                  1572

 16                                  1561                               1436                               1519                  1505
 17                                  1514                               1581                               1576                  1557
 18                                  1545                               1701                               1618                  1621
 19                                  1509                               1525                               1582                  1539
 20                                  1561                               1556                               1602                  1573

 21                                  1504                               1535                               1524                  1521
 22                                  1509                               1535                               1608                  1551
 23                                  1592                               1493                               1587                  1557
 24                                  1494                               1546                               1582                  1541
 25                                  1581                               1639                               1597                  1606

 26                                  1549                               1679                               1773                  1667
 27                                  1524                               1545                               1503                  1524
 28                                  1498                               1529                               1566                  1531
 29                                  1509                               1493                               1587                  1530
 30                                  1561                               1504                               1561                  1542
 31                                  1520                               1535                               1556                  1537

 Mean 
 ALL                                 1535                               1563                               1586                  1561
 QUIET                                                                                                                               
 DIST.                                                                                                                               



 HELSINKI    1903     FEBRUARY                                       HOURLY MEANS OF HORIZONTAL INTENSITY  =  156000 + TABULAR VALUES
                                                                                                                          ( 0.1  nT )

 Hour    0    1    2    3    4    5    6    7    8    9   10   11   12   13   14   15   16   17   18   19   20   21   22   23    Mean
 Day
 01                                  1489                               1469                               1573                  1510
 02                                  1577                               1530                               1644                  1584
 03                                  1597                               1514                               1639                  1583
 04                                  1546                               1572                               1681                  1600
 05                                  1592                               1670                               1540                  1601

 06                                  1504                               1504                               1624                  1544
 07                                  1601                               1601                               1679                  1627
 08                                  1561                               1493                               2149                  1734
 09                                  1494                               1483                               1540                  1506
 10                                  1530                               1582                               1603                  1572

 11                                  1530                               1452                               1592                  1525
 12                                  1504                               1525                               1535                  1521
 13                                  1530                               1411                               1660                  1534
 14                                  1562                               1624                               1619                  1602
 15                                  1583                               1484                               1588                  1552

 16                                  1619                               1619                               1614                  1617
 17                                  1510                               1510                               1640                  1553
 18                                  1505                               1515                               1744                  1588
 19                                  1547                               1594                               1625                  1589
 20                                  1599                               1584                               1682                  1622

 21                                  1680                               1587                               1732                  1666
 22                                  1540                               1498                               1592                  1543
 23                                  1478                               1530                               1541                  1516
 24                                  1479                               1520                               1463                  1487
 25                                  1452                               1333                               1478                  1421

 26                                  1499                               1436                               1592                  1509
 27                                  1437                               1504                               1608                  1516
 28                                  1489                               1437                               1551                  1492
                                                                                                                                     
                                                                                                                                     
                                                                                                                                     

 Mean 
 ALL                                 1537                               1521                               1626                  1561
 QUIET                                                                                                                               
 DIST.                                                                                                                               
 HELSINKI    1903     MARCH                                          HOURLY MEANS OF HORIZONTAL INTENSITY  =  156000 + TABULAR VALUES
                                                                                                                          ( 0.1  nT )

 Hour    0    1    2    3    4    5    6    7    8    9   10   11   12   13   14   15   16   17   18   19   20   21   22   23    Mean
 Day
 01                                  1468                               1432                               1546                  1482
 02                                  1505                               1390                               1463                  1453
 03                                  1458                               1453                               1531                  1481
 04                                  1526                               1375                               1593                  1498
 05                                  1609                               1500                               1666                  1592

 06                                  1552                               1630                               1666                  1616
 07                                  1531                               1365                               1511                  1469
 08                                  1505                               1510                               1552                  1522
 09                                  1567                               1562                               1645                  1591
 10                                  1521                               1563                               1578                  1554

 11                                  1516                               1500                               1682                  1566
 12                                  1563                               1495                               1682                  1580
 13                                  1594                               1349                               1594                  1512
 14                                  1589                               1558                               1678                  1608
 15                                  1501                               1595                               1558                  1551

 16                                  1600                               1631                               1683                  1638
 17                                  1646                               1599                               1640                  1628
 18                                  1660                               1567                               1712                  1646
 19                                  1712                               1592                               1712                  1672
 20                                  1639                               1551                               1665                  1618

 21                                  1623                               1540                               1691                  1618
 22                                  1649                               1582                               1758                  1663
 23                                  1577                               1530                               1660                  1589
 24                                  1624                               1572                               1696                  1631
 25                                  1629                               1515                               1738                  1627

 26                                  1603                               1525                               1692                  1607
 27                                  1660                               1614                               1723                  1666
 28                                  1655                               1681                               1712                  1683
 29                                  1691                               1520                               1639                  1617
 30                                  1702                               1639                               1681                  1674
 31                                  1696                               1509                               1748                  1651

 Mean 
 ALL                                 1593                               1530                               1648                  1590
 QUIET                                                                                                                               
 DIST.                                                                                                                               



 HELSINKI    1903     APRIL                                          HOURLY MEANS OF HORIZONTAL INTENSITY  =  156000 + TABULAR VALUES
                                                                                                                          ( 0.1  nT )

 Hour    0    1    2    3    4    5    6    7    8    9   10   11   12   13   14   15   16   17   18   19   20   21   22   23    Mean
 Day
 01                                  1628                               1602                               1644                  1625
 02                                  1592                               1618                               1727                  1646
 03                                  1581                               1514                               1763                  1619
 04                                  1597                               1670                               1883                  1717
 05                                  1582                               1551                               1764                  1632

 06                                  1317                               1941                               1322                  1527
 07                                  1244                               1410                               1483                  1379
 08                                  1348                               1468                               1712                  1509
 09                                  1514                               1447                               1754                  1572
 10                                  1488                               1519                               1613                  1540

 11                                  1493                               1389                               1629                  1504
 12                                  1530                               1498                               1639                  1556
 13                                  1572                               1473                               1702                  1582
 14                                  1546                               1411                               1676                  1544
 15                                  1645                               1478                               1671                  1598

 16                                  1562                               1504                               1624                  1563
 17                                  1640                               1530                               1525                  1565
 18                                  1640                               1322                               1707                  1556
 19                                  1567                               1369                               1728                  1555
 20                                  1588                               1494                               1676                  1586

 21                                  1577                               1478                               1738                  1598
 22                                  1629                               1489                               1754                  1624
 23                                  1676                               1629                               1722                  1676
 24                                  1587                               1478                               1665                  1577
 25                                  1628                               1389                               1732                  1583

 26                                  1623                               1441                               1774                  1613
 27                                  1549                               1492                               1721                  1587
 28                                  1450                               1528                               1684                  1554
 29                                  1544                               1430                               1669                  1548
 30                                  1606                               1403                               1726                  1578
                                                                                                                                     

 Mean 
 ALL                                 1551                               1499                               1681                  1577
 QUIET                                                                                                                               
 DIST.                                                                                                                               
 HELSINKI    1903     MAY                                            HOURLY MEANS OF HORIZONTAL INTENSITY  =  156000 + TABULAR VALUES
                                                                                                                          ( 0.1  nT )

 Hour    0    1    2    3    4    5    6    7    8    9   10   11   12   13   14   15   16   17   18   19   20   21   22   23    Mean
 Day
 01                                  1632                               1523                               1710                  1622
 02                                  1539                               1419                               1825                  1594
 03                                  1613                               1618                               1691                  1641
 04                                  1629                               1530                               1587                  1582
 05                                  1530                               1421                               1629                  1527

 06                                  1556                               1655                               1702                  1638
 07                                  1493                               1608                               1743                  1615
 08                                  1504                               1572                               1728                  1601
 09                                  1597                               1613                               1701                  1637
 10                                  1493                               1592                               1764                  1616

 11                                  1582                               1696                               1738                  1672
 12                                  1508                               1566                               1768                  1614
 13                                  1566                               1571                               1774                  1637
 14                                  1551                               1587                               1774                  1637
 15                                  1385                               1645                               1645                  1558

 16                                  1405                               1447                               1681                  1511
 17                                  1670                               1551                               1681                  1634
 18                                  1451                               1451                               1685                  1529
 19                                  1394                               1576                               1608                  1526
 20                                  1576                               1493                               1706                  1592

 21                                  1472                               1535                               1779                  1595
 22                                  1477                               1576                               1743                  1599
 23                                  1305                               1404                               1586                  1432
 24                                  1398                               1445                               1757                  1533
 25                                  1413                               1652                               1860                  1642

 26                                  1423                               1465                               1673                  1520
 27                                  1428                               1522                               1776                  1575
 28                                  1391                               1454                               1771                  1539
 29                                  1464                               1496                               1766                  1575
 30                                  1417                               1443                               1931                  1597
 31                                  1520                               1494                               1650                  1555

 Mean 
 ALL                                 1496                               1536                               1724                  1585
 QUIET                                                                                                                               
 DIST.                                                                                                                               



 HELSINKI    1903     JUNE                                           HOURLY MEANS OF HORIZONTAL INTENSITY  =  156000 + TABULAR VALUES
                                                                                                                          ( 0.1  nT )

 Hour    0    1    2    3    4    5    6    7    8    9   10   11   12   13   14   15   16   17   18   19   20   21   22   23    Mean
 Day
 01                                  1545                               1353                               1654                  1517
 02                                  1275                               1405                               1581                  1420
 03                                  1363                               1420                               1654                  1479
 04                                  1254                               1436                               1691                  1460
 05                                  1391                               1480                               1625                  1499

 06                                  1362                               1523                               1674                  1520
 07                                  1300                               1592                               1586                  1493
 08                                  1373                               1644                               1706                  1574
 09                                  1332                               1462                               1140                  1311
 10                                  1455                               1398                               1725                  1526

 11                                  1464                               1501                               1787                  1584
 12                                  1547                               1484                               1703                  1578
 13                                  1382                               1418                               1694                  1498
 14                                  1430                               1425                               1721                  1525
 15                                  1493                               1119                               1680                  1431

 16                                  1425                               1467                               1899                  1597
 17                                  1409                               1466                               1898                  1591
 18                                  1403                               1419                               1679                  1500
 19                                  1310                               1455                               1674                  1480
 20                                  1414                               1513                               1731                  1553

 21                                  1434                               1564                               1736                  1578
 22                                  1345                               1568                               1641                  1518
 23                                  1376                               1589                               1677                  1547
 24                                  1396                               1318                               1697                  1470
 25                                  1417                               1635                               1630                  1561

 26                                  1411                               1541                               1671                  1541
 27                                  1458                               1417                               1713                  1529
 28                                  1619                               1432                               1713                  1588
 29                                  1473                               1307                               1634                  1471
 30                                  1395                               1332                               1582                  1436
                                                                                                                                     

 Mean 
 ALL                                 1408                               1456                               1673                  1513
 QUIET                                                                                                                               
 DIST.                                                                                                                               
 HELSINKI    1903     JULY                                           HOURLY MEANS OF HORIZONTAL INTENSITY  =  156000 + TABULAR VALUES
                                                                                                                          ( 0.1  nT )

 Hour    0    1    2    3    4    5    6    7    8    9   10   11   12   13   14   15   16   17   18   19   20   21   22   23    Mean
 Day
 01                                  1405                               1472                               1649                  1509
 02                                  1389                               1374                               1779                  1514
 03                                  1436                               1477                               1529                  1481
 04                                  1436                               1477                               1727                  1547
 05                                  1431                               1442                               1785                  1553

 06                                  1494                               1458                               1681                  1544
 07                                  1416                                225                               1650                  1097
 08                                  1499                               1510                               1801                  1603
 09                                  1350                               1579                               1694                  1541
 10                                  1429                               1486                               1705                  1540

 11                                  1377                               1559                               1865                  1600
 12                                  1423                               1397                               1574                  1465
 13                                  1370                               1515                               1656                  1514
 14                                  1542                               1422                               1708                  1557
 15                                  1470                               1334                               1672                  1492

 16                                  1397                               1642                               1829                  1623
 17                                  1470                               1564                               1673                  1569
 18                                  1429                               1533                               1736                  1566
 19                                  1232                               1513                               1638                  1461
 20                                  1347                               1514                               1644                  1502

 21                                  1316                               1483                               1581                  1460
 22                                  1409                               1581                               1675                  1555
 23                                  1373                               1623                               1612                  1536
 24                                  1430                               1477                               1705                  1537
 25                                  1663                               1393                               1928                  1661

 26                                  1646                               1308                               1678                  1544
 27                                  1463                               1463                               1744                  1557
 28                                  1432                               1656                               1718                  1602
 29                                  1265                               1462                               1629                  1452
 30                                  1441                               1571                               1691                  1568
 31                                  1404                               1550                               1701                  1552

 Mean 
 ALL                                 1425                               1454                               1699                  1526
 QUIET                                                                                                                               
 DIST.                                                                                                                               



 HELSINKI    1903     AUGUST                                         HOURLY MEANS OF HORIZONTAL INTENSITY  =  156000 + TABULAR VALUES
                                                                                                                          ( 0.1  nT )

 Hour    0    1    2    3    4    5    6    7    8    9   10   11   12   13   14   15   16   17   18   19   20   21   22   23    Mean
 Day
 01                                  1436                               1561                               1639                  1545
 02                                  1504                               1597                               1706                  1602
 03                                  1494                               1551                               1691                  1579
 04                                  1494                               1572                               1796                  1621
 05                                  1624                               1671                               1734                  1676

 06                                  1448                               1609                               1703                  1587
 07                                  1532                               1563                               1766                  1620
 08                                  1470                               1662                               1823                  1652
 09                                  1497                               1440                               1736                  1558
 10                                  1450                               1565                               1783                  1599

 11                                  1601                               1580                               1741                  1641
 12                                  1398                               1591                               1783                  1591
 13                                  1492                               1529                               1903                  1641
 14                                  1368                               1758                               1743                  1623
 15                                  1383                               1607                               1773                  1588

 16                                  1534                               1597                               1841                  1657
 17                                  1456                               1508                               1726                  1563
 18                                  1514                               1633                               1722                  1623
 19                                  1550                               1613                               1764                  1642
 20                                  1639                               1644                               1769                  1684

 21                                  1540                               1577                               1806                  1641
 22                                   927                               1769                               1785                  1494
 23                                  1451                               1732                               1701                  1628
 24                                  1457                               1550                               1842                  1616
 25                                  1514                               1572                               1728                  1605

 26                                  1593                               1479                               1494                  1522
 27                                  1422                               1620                               1708                  1583
 28                                  1557                               1609                               1630                  1599
 29                                  1527                               1646                               1787                  1653
 30                                  1662                               1646                               1756                  1688
 31                                  1490                               1698                               1745                  1644

 Mean 
 ALL                                 1485                               1605                               1746                  1612
 QUIET                                                                                                                               
 DIST.                                                                                                                               
 HELSINKI    1903     SEPTEMBER                                      HOURLY MEANS OF HORIZONTAL INTENSITY  =  156000 + TABULAR VALUES
                                                                                                                          ( 0.1  nT )

 Hour    0    1    2    3    4    5    6    7    8    9   10   11   12   13   14   15   16   17   18   19   20   21   22   23    Mean
 Day
 01                                  1600                               1751                               1818                  1723
 02                                  1537                               1563                               1829                  1643
 03                                  1579                               1688                               1776                  1681
 04                                  1552                               1744                               1724                  1673
 05                                  1510                               1406                               1536                  1484

 06                                  1614                               1609                               1661                  1628
 07                                  1478                               1681                               1753                  1637
 08                                  1545                               1576                               1675                  1599
 09                                  1415                               1613                               1607                  1545
 10                                  1441                               1665                               1935                  1680

 11                                  1426                               1691                               1837                  1651
 12                                  1468                               1504                               1681                  1551
 13                                  1499                               1520                               1806                  1608
 14                                  1572                               1634                               1728                  1645
 15                                  1488                               1561                               1806                  1618

 16                                  1520                               1639                               1702                  1620
 17                                  1587                               1582                               1717                  1629
 18                                  1655                               1478                               1697                  1610
 19                                  1416                               1436                               1754                  1535
 20                                  1467                               1441                               1623                  1510

 21                                  1409                               1534                               1539                  1494
 22                                  1508                               1576                               1659                  1581
 23                                  1566                               1618                               1675                  1620
 24                                  1494                               1244                               1598                  1445
 25                                  1452                               1634                               1660                  1582

 26                                  1530                               1587                               1639                  1585
 27                                  1562                               1588                               1853                  1668
 28                                  1546                               1546                               1900                  1664
 29                                  1541                               1770                               1573                  1628
 30                                  1474                                                                  1609                  1542
                                                                                                                                     

 Mean 
 ALL                                 1515                               1582                               1712                  1603
 QUIET                                                                                                                               
 DIST.                                                                                                                               



 HELSINKI    1903     OCTOBER                                        HOURLY MEANS OF HORIZONTAL INTENSITY  =  156000 + TABULAR VALUES
                                                                                                                          ( 0.1  nT )

 Hour    0    1    2    3    4    5    6    7    8    9   10   11   12   13   14   15   16   17   18   19   20   21   22   23    Mean
 Day
 01                                  1598                               1609                               1650                  1619
 02                                  1546                               1614                               1702                  1621
 03                                  1479                               1578                               1661                  1573
 04                                  1646                               1557                               1833                  1679
 05                                  1527                               1636                               2104                  1756

 06                                  1604                               1640                               1833                  1692
 07                                  1516                               1552                               1349                  1472
 08                                  1646                               1630                               1666                  1647
 09                                  1604                               1531                               1692                  1609
 10                                  1598                               1598                               1739                  1645

 11                                  1624                               1520                               1686                  1610
 12                                  1602                               1503                                994                  1366
 13                                  1171                               1431                               1592                  1398
 14                                  1394                               1410                               1431                  1412
 15                                  1453                               1380                               1557                  1463

 16                                  1541                               1536                               1525                  1534
 17                                  1562                               1473                               1531                  1522
 18                                  1598                               1478                               1650                  1575
 19                                  1619                               1551                               1671                  1614
 20                                  1675                               1686                               1748                  1703

 21                                  1634                               1686                               1681                  1667
 22                                  1567                               1624                               1489                  1560
 23                                  1650                               1728                               1744                  1707
 24                                  1655                               1712                               1717                  1695
 25                                  1640                               1681                               1780                  1700

 26                                  1681                               1458                               1489                  1543
 27                                  1535                               1598                               1691                  1608
 28                                  1586                               1513                               1675                  1591
 29                                  1555                               1514                               1696                  1588
 30                                  1592                               1644                               1607                  1614
 31                                  1587                                                                                        1587

 Mean 
 ALL                                 1570                               1569                               1639                  1593
 QUIET                                                                                                                               
 DIST.                                                                                                                               
 HELSINKI    1903     NOVEMBER                                       HOURLY MEANS OF HORIZONTAL INTENSITY  =  156000 + TABULAR VALUES
                                                                                                                          ( 0.1  nT )

 Hour    0    1    2    3    4    5    6    7    8    9   10   11   12   13   14   15   16   17   18   19   20   21   22   23    Mean
 Day
 01                                                                     1358                               1166                  1262
 02                                  1462                               1176                               1343                  1327
 03                                  1327                               1151                               1457                  1312
 04                                  1238                               1223                               1540                  1334
 05                                  1243                               1285                               1394                  1307

 06                                  1342                               1389                               1363                  1365
 07                                  1374                               1369                               1311                  1351
 08                                  1384                               1384                               1478                  1415
 09                                  1420                               1415                               1451                  1429
 10                                  1254                               1264                               1311                  1276

 11                                  1280                               1275                               1384                  1313
 12                                  1317                               1239                               1447                  1334
 13                                  1369                               1285                               1675                  1443
 14                                  1379                               1301                               1452                  1377
 15                                  1447                               1203                               1442                  1364

 16                                  1411                               1526                               1255                  1397
 17                                  1369                               1484                               1411                  1421
 18                                  1530                               1805                               1712                  1682
 19                                  1306                               1493                               1498                  1432
 20                                  1493                               1519                               1555                  1522

 21                                  1477                               1514                               1638                  1543
 22                                  1456                               1217                               1581                  1418
 23                                  1456                               1415                                                     1435
 24                                  1467                               1363                               1597                  1476
 25                                  1539                               1498                               1513                  1517

 26                                  1591                               1555                               1628                  1591
 27                                  1565                               1607                               1711                  1628
 28                                  1597                               1707                               1727                  1677
 29                                  1562                               2040                               1681                  1761
 30                                  1582                               1629                               1670                  1627
                                                                                                                                     

 Mean 
 ALL                                 1422                               1423                               1496                  1447
 QUIET                                                                                                                               
 DIST.                                                                                                                               



 HELSINKI    1903     DECEMBER                                       HOURLY MEANS OF HORIZONTAL INTENSITY  =  156000 + TABULAR VALUES
                                                                                                                          ( 0.1  nT )

 Hour    0    1    2    3    4    5    6    7    8    9   10   11   12   13   14   15   16   17   18   19   20   21   22   23    Mean
 Day
 01                                  1644                               1560                               1550                  1585
 02                                  1482                               1420                               1498                  1467
 03                                  1369                               1457                               1437                  1421
 04                                  1474                               1588                               1463                  1508
 05                                  1411                               1333                               1546                  1430

 06                                  1545                               1566                               1602                  1571
 07                                  1540                               1446                               1509                  1498
 08                                  1571                               1378                               1586                  1512
 09                                  1528                               1565                               1565                  1553
 10                                  1601                               1565                               1653                  1606

 11                                  1591                               1544                               1658                  1598
 12                                  1612                               1591                               2075                  1759
 13                                  1706                               1582                               1618                  1635
 14                                  1218                               1389                               1446                  1351
 15                                  1436                               1587                               1316                  1446

 16                                  1437                               1489                               1541                  1489
 17                                  1493                               1592                               1592                  1559
 18                                  1545                               1612                               1586                  1581
 19                                  1535                                                                  1686                  1610
 20                                  1706                               1467                               1508                  1560

 21                                  1519                                                                  1675                  1597
 22                                  1550                                                                  1487                  1518
 23                                  1654                                                                  1649                  1652
 24                                  1706                                                                  1727                  1717
 25                                  1681                               1748                               1780                  1736

 26                                  1836                               1691                               1737                  1755
 27                                  1764                               1717                               1758                  1746
 28                                  1738                                                                  1691                  1714
 29                                  1794                                                                  1799                  1797
 30                                  2049                                                                  1747                  1898
 31                                   495                                                                  1582                  1038

 Mean 
 ALL                                 1556                               1540                               1615                  1570
 QUIET                                                                                                                               
 DIST.                                                                                                                               
