# Northern Hemisphere Temperature Reconstructions # http://www.ncdc.noaa.gov/paleo/metadata/noaa-recon-6224.html # ftp://ftp.ncdc.noaa.gov/pub/data/paleo/treering/reconstructions/n_hem_temp/nhemtemp_data.txt # Temperature Anomaly # April # September # degrees C # Annual # 1881 AD - 1960 AD # 1400 AD # 1994 AD # Briffa, K.R., P.D. Jones, F.H. Schweingruber and T.J. Osborn # Briffa, K.R., P.D. Jones, F.H. Schweingruber and T.J. Osborn. 1998. Influence of volcanic eruptions on Northern Hemisphere summer temperature over the past 600 years. Nature 393:450-455. # 90.000 N # 0.000 N # 180.000 E # 180.000 W # # Derived from means of 383 maximum latewood density chronologies from the northern Boreal forest. # # # March 2009, v 1.0.0 # # YearAD Anomaly 1994 0.04 1993 -0.256 1992 -0.299 1991 -0.026 1990 -0.12 1989 -0.102 1988 0.012 1987 -0.064 1986 -0.076 1985 -0.12 1984 -0.043 1983 0.017 1982 -0.242 1981 0.044 1980 -0.216 1979 0.001 1978 -0.327 1977 -0.074 1976 -0.223 1975 -0.137 1974 -0.132 1973 -0.019 1972 -0.238 1971 -0.063 1970 -0.015 1969 -0.114 1968 -0.278 1967 0.01 1966 0.067 1965 -0.245 1964 -0.12 1963 -0.043 1962 -0.067 1961 0.101 1960 0.167 1959 0.016 1958 -0.031 1957 -0.007 1956 -0.137 1955 0.044 1954 -0.03 1953 0.192 1952 0.085 1951 0.042 1950 -0.039 1949 0.066 1948 0.081 1947 0.014 1946 0.117 1945 0.15 1944 0.05 1943 0.162 1942 0.176 1941 -0.116 1940 0.121 1939 0.027 1938 0.178 1937 0.19 1936 0.064 1935 0.059 1934 0.034 1933 0.066 1932 0.158 1931 0.112 1930 0.161 1929 -0.03 1928 0.068 1927 -0.014 1926 0.039 1925 -0.074 1924 -0.003 1923 -0.153 1922 0.061 1921 0.052 1920 0.017 1919 0.137 1918 -0.231 1917 -0.091 1916 -0.092 1915 0.034 1914 -0.11 1913 0.022 1912 -0.388 1911 0.064 1910 -0.002 1909 -0.092 1908 0.068 1907 -0.133 1906 0.076 1905 -0.09 1904 -0.034 1903 0.004 1902 -0.11 1901 0.092 1900 -0.012 1899 -0.244 1898 0.159 1897 0.087 1896 -0.103 1895 0.027 1894 0.001 1893 -0.043 1892 -0.036 1891 -0.153 1890 -0.095 1889 0.043 1888 -0.111 1887 -0.013 1886 -0.121 1885 -0.209 1884 -0.337 1883 -0.035 1882 -0.033 1881 -0.031 1880 -0.106 1879 0.023 1878 0.253 1877 -0.009 1876 -0.153 1875 0.02 1874 -0.042 1873 0.009 1872 0.01 1871 -0.077 1870 -0.005 1869 -0.01 1868 0.073 1867 -0.126 1866 -0.15 1865 -0.101 1864 -0.111 1863 -0.024 1862 -0.213 1861 0.119 1860 -0.077 1859 0.012 1858 0.041 1857 -0.164 1856 -0.039 1855 -0.128 1854 0.01 1853 -0.034 1852 0.001 1851 -0.054 1850 -0.006 1849 -0.089 1848 -0.06 1847 0.033 1846 0.175 1845 -0.16 1844 0.065 1843 -0.129 1842 -0.055 1841 0.071 1840 0.032 1839 -0.05 1838 -0.166 1837 -0.324 1836 -0.289 1835 -0.236 1834 0.083 1833 -0.238 1832 -0.183 1831 0.081 1830 0.123 1829 0.048 1828 0.151 1827 -0.02 1826 0.113 1825 0.001 1824 -0.071 1823 -0.006 1822 0.028 1821 -0.076 1820 0.017 1819 -0.258 1818 -0.286 1817 -0.439 1816 -0.504 1815 -0.178 1814 -0.18 1813 -0.181 1812 -0.164 1811 -0.146 1810 -0.222 1809 -0.152 1808 0.009 1807 0.116 1806 -0.051 1805 0.029 1804 0.142 1803 0.091 1802 0.069 1801 -0.112 1800 -0.037 1799 0.002 1798 0.112 1797 -0.139 1796 0.11 1795 0.011 1794 0.09 1793 0.103 1792 0.037 1791 0.019 1790 -0.21 1789 0.006 1788 0.017 1787 -0.127 1786 -0.033 1785 0.054 1784 0.013 1783 -0.274 1782 -0.005 1781 0.003 1780 -0.023 1779 -0.164 1778 0.013 1777 -0.035 1776 0.063 1775 -0.023 1774 0.16 1773 -0.099 1772 -0.108 1771 -0.058 1770 -0.113 1769 -0.04 1768 -0.053 1767 -0.127 1766 0.043 1765 -0.048 1764 -0.148 1763 -0.054 1762 -0.058 1761 -0.068 1760 -0.083 1759 0.004 1758 -0.122 1757 -0.019 1756 0.06 1755 -0.006 1754 -0.021 1753 -0.033 1752 0.027 1751 0.031 1750 0.055 1749 -0.05 1748 -0.113 1747 0.102 1746 -0.105 1745 -0.005 1744 -0.074 1743 -0.017 1742 -0.274 1741 -0.074 1740 -0.304 1739 0.03 1738 -0.105 1737 0.125 1736 -0.049 1735 -0.06 1734 0.155 1733 0.021 1732 -0.074 1731 -0.248 1730 -0.184 1729 0.031 1728 0.153 1727 0.056 1726 -0.055 1725 -0.17 1724 0.019 1723 -0.017 1722 0.179 1721 -0.045 1720 0.123 1719 -0.007 1718 0.012 1717 -0.021 1716 -0.145 1715 -0.016 1714 -0.188 1713 0.005 1712 0.013 1711 -0.035 1710 -0.007 1709 -0.153 1708 -0.041 1707 0.107 1706 0.075 1705 -0.088 1704 0.077 1703 0.075 1702 -0.042 1701 -0.163 1700 -0.169 1699 -0.346 1698 -0.359 1697 -0.123 1696 -0.133 1695 -0.408 1694 0.108 1693 0.172 1692 -0.021 1691 0.126 1690 0.032 1689 0.082 1688 -0.065 1687 0.029 1686 0.208 1685 -0.07 1684 0.033 1683 0.137 1682 -0.032 1681 0.021 1680 -0.137 1679 -0.187 1678 -0.198 1677 -0.005 1676 -0.072 1675 -0.364 1674 -0.168 1673 -0.049 1672 -0.031 1671 0.02 1670 -0.197 1669 -0.323 1668 -0.238 1667 -0.273 1666 -0.337 1665 -0.008 1664 0.056 1663 -0.091 1662 0.001 1661 0.077 1660 0.099 1659 0.128 1658 0.101 1657 0.029 1656 -0.039 1655 0.07 1654 0.054 1653 -0.002 1652 -0.168 1651 0.087 1650 0.056 1649 -0.047 1648 0.102 1647 -0.066 1646 -0.145 1645 -0.103 1644 -0.111 1643 -0.349 1642 -0.258 1641 -0.503 1640 0.09 1639 0.029 1638 -0.103 1637 0.061 1636 0.212 1635 0.127 1634 0.08 1633 -0.063 1632 0.057 1631 0.152 1630 0.01 1629 0.002 1628 0.024 1627 -0.102 1626 -0.114 1625 -0.002 1624 -0.057 1623 -0.031 1622 -0.042 1621 -0.129 1620 -0.027 1619 -0.038 1618 0.039 1617 -0.054 1616 -0.096 1615 0.026 1614 -0.128 1613 0.199 1612 -0.108 1611 0.003 1610 0.06 1609 -0.065 1608 -0.114 1607 -0.078 1606 -0.113 1605 -0.108 1604 -0.181 1603 -0.078 1602 -0.202 1601 -0.805 1600 -0.031 1599 0.159 1598 0.126 1597 -0.065 1596 -0.068 1595 -0.029 1594 -0.057 1593 -0.065 1592 -0.036 1591 -0.017 1590 -0.045 1589 -0.223 1588 -0.005 1587 -0.308 1586 -0.1 1585 -0.059 1584 -0.002 1583 -0.012 1582 0.028 1581 -0.073 1580 -0.148 1579 -0.148 1578 -0.057 1577 -0.042 1576 -0.072 1575 0.068 1574 -0.014 1573 -0.143 1572 -0.189 1571 -0.162 1570 -0.107 1569 -0.013 1568 -0.181 1567 -0.079 1566 0.012 1565 0.169 1564 0.113 1563 -0.068 1562 0.037 1561 0.092 1560 -0.042 1559 -0.1 1558 0.006 1557 -0.164 1556 -0.006 1555 0.098 1554 -0.078 1553 -0.126 1552 0.095 1551 0.133 1550 0.145 1549 -0.049 1548 -0.11 1547 0.029 1546 -0.136 1545 -0.057 1544 -0.229 1543 -0.196 1542 -0.171 1541 -0.096 1540 -0.12 1539 -0.051 1538 -0.1 1537 -0.063 1536 0.039 1535 -0.117 1534 0.064 1533 -0.024 1532 -0.084 1531 -0.131 1530 0.048 1529 -0.049 1528 -0.05 1527 -0.008 1526 -0.014 1525 0.027 1524 -0.063 1523 -0.02 1522 -0.197 1521 -0.063 1520 -0.024 1519 0.028 1518 0.008 1517 0.014 1516 -0.09 1515 -0.022 1514 -0.129 1513 0.007 1512 -0.052 1511 -0.035 1510 -0.002 1509 -0.12 1508 0.018 1507 -0.138 1506 -0.006 1505 -0.074 1504 0.129 1503 0.054 1502 0.037 1501 -0.044 1500 0.011 1499 0.136 1498 -0.03 1497 -0.108 1496 -0.044 1495 -0.282 1494 -0.08 1493 -0.045 1492 -0.028 1491 -0.149 1490 -0.087 1489 -0.043 1488 -0.069 1487 -0.138 1486 0.032 1485 0.136 1484 0.056 1483 -0.124 1482 0.002 1481 -0.186 1480 -0.152 1479 -0.111 1478 0.099 1477 0.047 1476 -0.048 1475 -0.106 1474 -0.252 1473 0.129 1472 -0.03 1471 0.025 1470 -0.079 1469 -0.072 1468 -0.211 1467 -0.222 1466 -0.057 1465 -0.008 1464 -0.046 1463 -0.238 1462 -0.241 1461 -0.224 1460 -0.224 1459 -0.099 1458 -0.071 1457 -0.17 1456 0.099 1455 -0.197 1454 -0.02 1453 -0.495 1452 -0.048 1451 0.022 1450 0.031 1449 -0.157 1448 -0.3 1447 -0.214 1446 -0.257 1445 -0.101 1444 -0.181 1443 0.113 1442 0.013 1441 -0.022 1440 -0.198 1439 0.012 1438 -0.2 1437 0.105 1436 -0.047 1435 -0.191 1434 0.165 1433 0.064 1432 0.073 1431 0.065 1430 0.021 1429 -0.047 1428 -0.005 1427 0.051 1426 -0.118 1425 0.162 1424 0.048 1423 -0.063 1422 -0.182 1421 -0.068 1420 -0.18 1419 -0.089 1418 0.068 1417 0.047 1416 -0.053 1415 -0.123 1414 -0.217 1413 0.036 1412 -0.023 1411 0.043 1410 0.025 1409 -0.094 1408 -0.134 1407 0.003 1406 0.03 1405 -0.039 1404 0.041 1403 -0.075 1402 0.026 1401 0.047 1400 -0.005