Rutherford et al. 2005 Northern Hemisphere Surface Temperature Reconstruction Sensitivity Comparisons Briffa tree ring maximum density network. Warm Season (april-sept), Osborn reconstruction mask Year Temperature anomaly (°C) with respect to the 1900-1960 mean. 1400 -0.4516 1401 -0.3204 1402 -0.2561 1403 -0.2657 1404 -0.1236 1405 -0.0857 1406 0.0650 1407 0.0469 1408 -0.0906 1409 -0.0315 1410 -0.0336 1411 -0.0056 1412 -0.1247 1413 -0.0702 1414 -0.2825 1415 -0.2216 1416 -0.2227 1417 -0.2589 1418 -0.2504 1419 -0.3420 1420 -0.3914 1421 -0.2291 1422 -0.3622 1423 -0.2342 1424 -0.1478 1425 -0.0393 1426 -0.1609 1427 -0.0362 1428 -0.1242 1429 -0.1351 1430 -0.0720 1431 -0.0024 1432 0.0046 1433 -0.0240 1434 0.1768 1435 0.0058 1436 -0.0049 1437 0.0963 1438 -0.0845 1439 0.0286 1440 -0.1657 1441 -0.0979 1442 -0.1291 1443 -0.1318 1444 -0.2353 1445 -0.2076 1446 -0.2289 1447 -0.2081 1448 -0.2311 1449 -0.2736 1450 -0.1210 1451 -0.0826 1452 -0.1405 1453 -0.3430 1454 -0.1696 1455 -0.3475 1456 -0.3219 1457 -0.3495 1458 -0.4507 1459 -0.4098 1460 -0.3247 1461 -0.3839 1462 -0.3358 1463 -0.3789 1464 -0.2429 1465 -0.1181 1466 -0.4324 1467 -0.2913 1468 -0.2209 1469 -0.2759 1470 -0.1302 1471 -0.1295 1472 -0.2516 1473 -0.1879 1474 -0.2132 1475 -0.3095 1476 -0.3659 1477 -0.2737 1478 -0.2777 1479 -0.3579 1480 -0.3490 1481 -0.5104 1482 -0.4241 1483 -0.4947 1484 -0.3701 1485 -0.3088 1486 -0.3999 1487 -0.4532 1488 -0.4382 1489 -0.3014 1490 -0.2658 1491 -0.1908 1492 -0.2124 1493 -0.1847 1494 -0.1576 1495 -0.1253 1496 -0.1001 1497 -0.1902 1498 -0.0694 1499 -0.0478 1500 0.0311 1501 0.0843 1502 0.0479 1503 0.0827 1504 0.1302 1505 0.1170 1506 0.1043 1507 -0.1024 1508 0.0509 1509 -0.0803 1510 -0.0441 1511 -0.1367 1512 -0.1176 1513 -0.0818 1514 -0.1224 1515 -0.1052 1516 -0.2451 1517 -0.1204 1518 -0.0318 1519 -0.1440 1520 -0.1478 1521 -0.1391 1522 -0.1626 1523 -0.2909 1524 -0.2584 1525 -0.2344 1526 -0.2817 1527 -0.1975 1528 -0.2338 1529 -0.2486 1530 -0.1600 1531 -0.3618 1532 -0.1819 1533 -0.1316 1534 -0.1576 1535 -0.2167 1536 -0.2352 1537 -0.1558 1538 -0.2694 1539 -0.1517 1540 -0.2408 1541 -0.2033 1542 -0.3085 1543 -0.2661 1544 -0.3241 1545 -0.1761 1546 -0.2428 1547 -0.1096 1548 -0.3286 1549 -0.1870 1550 -0.0990 1551 -0.0325 1552 -0.0244 1553 -0.2291 1554 -0.1372 1555 -0.0901 1556 -0.1913 1557 -0.3118 1558 -0.0396 1559 -0.3324 1560 -0.2880 1561 -0.0573 1562 -0.1612 1563 -0.1116 1564 -0.0198 1565 0.0207 1566 -0.1710 1567 -0.3053 1568 -0.2604 1569 -0.1795 1570 -0.3545 1571 -0.3472 1572 -0.3042 1573 -0.3592 1574 -0.3051 1575 -0.2647 1576 -0.4010 1577 -0.3690 1578 -0.4849 1579 -0.4921 1580 -0.5618 1581 -0.5152 1582 -0.3140 1583 -0.3099 1584 -0.3048 1585 -0.5741 1586 -0.4356 1587 -0.5725 1588 -0.3504 1589 -0.5372 1590 -0.4203 1591 -0.3549 1592 -0.4291 1593 -0.5731 1594 -0.4882 1595 -0.4211 1596 -0.5499 1597 -0.4710 1598 -0.3772 1599 -0.4244 1600 -0.4744 1601 -0.9264 1602 -0.5220 1603 -0.4586 1604 -0.6084 1605 -0.4315 1606 -0.3306 1607 -0.3009 1608 -0.4236 1609 -0.3677 1610 -0.3239 1611 -0.2478 1612 -0.4342 1613 -0.1987 1614 -0.5271 1615 -0.2556 1616 -0.2262 1617 -0.1032 1618 -0.3063 1619 -0.0958 1620 -0.3845 1621 -0.2782 1622 -0.2714 1623 -0.3879 1624 -0.3511 1625 -0.4287 1626 -0.3320 1627 -0.4033 1628 -0.3628 1629 -0.3266 1630 -0.4701 1631 -0.3795 1632 -0.5489 1633 -0.4972 1634 -0.2954 1635 -0.3205 1636 -0.2345 1637 -0.2862 1638 -0.5148 1639 -0.4180 1640 -0.2844 1641 -0.6404 1642 -0.5791 1643 -0.7918 1644 -0.5464 1645 -0.4744 1646 -0.4435 1647 -0.3977 1648 -0.2353 1649 -0.2416 1650 -0.2652 1651 -0.2981 1652 -0.3151 1653 -0.3762 1654 -0.3578 1655 -0.2601 1656 -0.3151 1657 -0.3814 1658 -0.2430 1659 -0.2419 1660 -0.2516 1661 -0.2499 1662 -0.3793 1663 -0.4772 1664 -0.2773 1665 -0.1850 1666 -0.4587 1667 -0.3993 1668 -0.5271 1669 -0.4887 1670 -0.5343 1671 -0.1023 1672 -0.3084 1673 -0.3477 1674 -0.4269 1675 -0.3506 1676 -0.3405 1677 -0.4110 1678 -0.3622 1679 -0.4279 1680 -0.2305 1681 -0.0452 1682 -0.3613 1683 -0.2690 1684 0.0686 1685 -0.2237 1686 0.0113 1687 -0.1873 1688 -0.1918 1689 -0.0748 1690 -0.1850 1691 -0.1064 1692 -0.1364 1693 -0.2515 1694 -0.2947 1695 -0.7362 1696 -0.5666 1697 -0.6350 1698 -0.4546 1699 -0.6437 1700 -0.4102 1701 -0.5925 1702 -0.4283 1703 -0.2873 1704 -0.3005 1705 -0.5434 1706 -0.2293 1707 -0.1355 1708 -0.4354 1709 -0.2985 1710 -0.1688 1711 -0.2242 1712 -0.0518 1713 -0.0923 1714 -0.1474 1715 -0.1478 1716 -0.2221 1717 -0.2047 1718 -0.1992 1719 -0.1052 1720 -0.1285 1721 -0.1980 1722 0.0189 1723 0.0328 1724 -0.1752 1725 -0.0839 1726 -0.0576 1727 -0.0530 1728 0.0582 1729 -0.0717 1730 -0.3069 1731 -0.4287 1732 -0.2045 1733 -0.2250 1734 -0.1579 1735 -0.1755 1736 -0.1104 1737 -0.2483 1738 -0.1773 1739 -0.2485 1740 -0.3630 1741 -0.1325 1742 -0.3297 1743 -0.0179 1744 -0.0617 1745 -0.0474 1746 -0.1329 1747 0.0081 1748 -0.0580 1749 0.0082 1750 -0.0346 1751 -0.1945 1752 -0.0420 1753 -0.0769 1754 -0.0430 1755 -0.2119 1756 -0.1761 1757 -0.1863 1758 -0.2333 1759 -0.2860 1760 -0.3041 1761 -0.0964 1762 -0.3830 1763 -0.2468 1764 -0.3050 1765 -0.2884 1766 -0.1388 1767 -0.5310 1768 -0.4516 1769 -0.1721 1770 -0.3190 1771 -0.2272 1772 -0.2932 1773 -0.1913 1774 0.0491 1775 -0.1145 1776 -0.0144 1777 -0.2943 1778 -0.1333 1779 -0.1661 1780 -0.1095 1781 -0.2219 1782 -0.2382 1783 -0.5934 1784 -0.2007 1785 -0.1051 1786 -0.1271 1787 -0.3315 1788 -0.1234 1789 0.0113 1790 -0.4446 1791 -0.1155 1792 -0.0805 1793 -0.0254 1794 -0.1670 1795 -0.2333 1796 -0.0159 1797 -0.3867 1798 -0.0702 1799 -0.3295 1800 -0.2382 1801 -0.2893 1802 -0.3321 1803 -0.1122 1804 0.0186 1805 -0.2025 1806 -0.2486 1807 -0.0438 1808 -0.0909 1809 -0.2802 1810 -0.4974 1811 -0.1228 1812 -0.3466 1813 -0.2321 1814 -0.3407 1815 -0.4608 1816 -0.7206 1817 -0.7300 1818 -0.3139 1819 -0.3884 1820 -0.2078 1821 -0.2974 1822 -0.1625 1823 -0.2247 1824 -0.3344 1825 -0.1181 1826 -0.0064 1827 -0.1423 1828 -0.0076 1829 -0.1938 1830 -0.1810 1831 -0.0813 1832 -0.5116 1833 -0.4245 1834 -0.1664 1835 -0.4032 1836 -0.6056 1837 -0.4498 1838 -0.2939 1839 -0.0609 1840 0.0069 1841 0.0486 1842 -0.1033 1843 -0.2910 1844 -0.0326 1845 -0.3151 1846 0.0538 1847 -0.0528 1848 -0.2456 1849 -0.3345 1850 -0.1078 1851 -0.1748 1852 -0.1353 1853 -0.2592 1854 -0.0255 1855 -0.2584 1856 -0.2270 1857 -0.3629 1858 0.0983 1859 0.1594 1860 -0.0183 1861 0.0864 1862 -0.2377 1863 -0.0025 1864 -0.1370 1865 0.1558 1866 0.1655 1867 -0.2088 1868 0.3415 1869 0.1204 1870 0.1620 1871 -0.1454 1872 0.0953 1873 -0.3225 1874 -0.1754 1875 -0.2473 1876 -0.2740 1877 -0.2607 1878 0.2274 1879 -0.2043 1880 -0.1926 1881 -0.2568 1882 -0.2905 1883 -0.3528 1884 -0.5411 1885 -0.4859 1886 -0.1205 1887 -0.1084 1888 -0.2253 1889 -0.0019 1890 -0.3086 1891 -0.3108 1892 -0.2510 1893 -0.3103 1894 -0.1745 1895 -0.1679 1896 -0.1517 1897 0.2079 1898 0.0773 1899 -0.3118 1900 -0.0664 1901 0.1123 1902 -0.6589 1903 -0.5642 1904 -0.3671 1905 -0.1820 1906 0.1337 1907 -0.5850 1908 -0.2710 1909 -0.5299 1910 -0.1556 1911 -0.2362 1912 -0.6805 1913 -0.4381 1914 -0.1784 1915 0.0268 1916 -0.2836 1917 -0.2709 1918 -0.4044 1919 0.0138 1920 0.0643 1921 0.2801 1922 0.0719 1923 -0.1818 1924 -0.1106 1925 0.1081 1926 -0.2061 1927 0.0342 1928 -0.1034 1929 -0.2679 1930 0.1894 1931 0.3223 1932 0.2533 1933 -0.0569 1934 0.3141 1935 -0.0292 1936 0.3597 1937 0.5721 1938 0.4759 1939 0.1650 1940 0.3075 1941 -0.0144 1942 0.2012 1943 0.5024 1944 0.2544 1945 0.1577 1946 0.2463 1947 0.2310 1948 0.3271 1949 0.3079 1950 -0.0187 1951 0.2353 1952 0.3983 1953 0.4874 1954 0.0676 1955 0.0480 1956 -0.3889 1957 0.0706 1958 0.0126 1959 0.2092 1960 0.2754