# the "Labrijn series" 1706-2000 by A.F.V. van Engelen and J.W. Nellestijn # Monthly means of the airtemperature in De Bilt, Netherlands. # Component observational series: Delft/Rijnsburg (1706-1734), Zwanenburg (1735-1800 & 1811-1848), Haarlem (1801-1810) and Utrecht (1849-1897) reduced to De Bilt and De Bilt (1898-present) # (c) Copyright KNMI De Bilt, Netherlands, 1995. # tair [Celsius] 1706 0.5 3.2 5.5 8.7 14.6 17.0 17.4 17.3 14.0 11.0 4.4 2.3 1707 0.7 4.9 4.7 8.3 12.0 16.8 18.1 15.9 14.9 9.0 6.5 1.9 1708 3.9 3.1 5.9 9.5 12.2 14.6 15.4 18.5 15.9 9.2 5.4 0.4 1709 -5.1 -0.3 1.1 9.2 11.6 15.3 16.1 16.2 14.5 10.9 7.8 2.5 1710 0.4 1.8 5.6 7.0 13.3 15.0 15.2 16.1 14.7 10.8 7.0 5.5 1711 3.2 0.6 5.0 9.8 12.7 16.8 16.0 15.4 14.2 10.6 6.0 3.4 1712 -0.1 3.6 4.4 8.8 12.8 16.2 16.7 16.0 14.0 10.9 6.7 2.7 1713 -0.9 5.6 4.3 6.4 11.6 13.4 15.0 16.6 14.9 10.6 5.2 2.8 1714 1.3 4.4 5.3 9.0 10.8 14.4 18.5 16.1 13.0 11.0 6.3 2.7 1715 0.2 4.2 6.1 10.7 12.1 14.5 15.6 14.8 14.1 11.8 7.9 -1.2 1716 -5.7 2.2 3.9 10.2 11.8 14.1 16.4 16.8 13.4 9.6 5.2 1.5 1717 1.2 1.4 3.7 8.2 10.7 15.2 16.0 16.5 14.2 10.0 5.2 3.8 1718 -1.4 -0.2 4.9 9.4 13.0 16.0 16.2 20.2 16.0 10.2 6.9 3.7 1719 0.5 3.1 3.9 6.7 14.0 17.7 18.6 18.3 13.2 9.4 6.7 0.8 1720 2.3 3.5 3.4 7.9 12.8 12.5 17.2 15.7 12.4 9.4 5.4 3.9 1721 3.0 0.8 1.1 10.0 10.7 15.2 17.1 17.7 15.2 9.9 7.3 2.2 1722 0.3 4.5 5.8 9.6 12.0 15.0 17.7 16.7 15.6 11.5 7.5 3.7 1723 -0.3 3.2 6.7 9.4 12.9 15.5 15.4 17.1 14.8 12.3 8.4 5.0 1724 4.2 4.2 4.1 7.8 12.3 16.6 16.9 18.1 15.1 9.7 3.9 2.1 1725 1.7 0.9 3.7 8.2 10.2 11.2 14.7 13.5 12.6 9.3 6.6 2.3 1726 -2.4 0.8 2.8 9.0 14.6 16.1 17.4 15.5 15.1 10.5 4.8 0.4 1727 2.0 3.2 3.6 7.0 15.1 15.3 16.7 17.5 14.8 11.1 4.6 1.8 1728 3.0 1.8 6.9 8.6 13.3 17.1 17.6 17.1 13.7 9.7 6.5 0.4 1729 -2.4 1.3 1.9 7.1 11.2 16.3 17.4 17.3 16.4 11.3 6.6 4.8 1730 2.2 3.1 5.2 9.2 12.5 14.2 17.3 17.6 15.1 8.7 8.1 3.1 1731 1.2 0.2 4.2 7.0 12.0 15.5 17.0 17.7 15.6 13.0 7.3 3.8 1732 0.4 3.7 5.8 9.6 12.2 14.4 16.9 17.1 15.1 10.9 6.1 0.9 1733 4.9 4.5 5.7 10.8 11.5 15.2 19.5 17.7 13.3 9.5 6.5 5.9 1734 2.3 4.9 7.1 10.2 12.0 15.0 17.5 17.4 14.8 9.5 3.4 2.1 1735 4.1 3.7 6.1 9.3 12.3 15.5 16.5 17.7 15.4 8.2 5.5 4.8 1736 3.1 1.9 4.1 9.3 12.3 15.2 17.5 18.2 15.2 10.3 7.5 5.5 1737 6.0 4.5 5.6 8.2 13.3 15.8 16.6 14.6 15.3 9.7 5.7 2.7 1738 0.9 3.4 5.4 9.2 12.4 15.0 16.5 16.1 13.3 10.6 2.8 5.8 1739 3.1 6.0 5.7 6.1 13.2 14.8 17.0 15.6 14.0 7.7 0.9 3.7 1740 -4.5 -2.5 2.0 5.5 7.5 12.2 15.1 15.4 14.8 6.2 3.5 2.5 1741 1.0 3.5 3.2 5.9 9.8 13.9 17.0 16.4 14.2 11.6 7.9 2.6 1742 -1.0 4.8 2.9 5.4 9.5 14.7 16.4 14.9 12.1 9.1 5.0 -2.4 1743 1.8 4.4 4.3 4.9 11.8 15.9 15.7 17.1 14.3 7.3 7.9 2.5 1744 -0.1 -0.4 3.5 7.2 11.2 14.8 15.8 15.3 13.7 10.7 6.4 3.1 1745 1.2 0.3 3.6 7.7 12.3 14.3 15.9 15.4 14.6 9.8 5.0 0.1 1746 0.0 0.3 1.7 6.7 14.0 14.3 17.2 15.3 13.8 7.6 2.1 4.1 1747 0.5 5.3 1.6 8.0 11.7 16.3 16.3 16.6 15.0 9.6 7.6 4.8 1748 0.7 -0.7 -0.7 5.6 11.9 16.9 17.2 17.4 14.6 10.5 7.7 7.1 1749 4.4 2.7 3.1 7.6 13.7 12.3 17.0 17.2 14.5 9.7 5.0 4.9 1750 0.6 5.8 8.0 8.2 12.5 15.0 18.3 16.3 15.5 8.6 3.5 2.4 1751 2.4 -0.5 6.1 7.5 10.8 15.0 16.1 16.2 13.1 9.6 3.9 3.2 1752 3.2 1.9 5.3 7.5 11.0 16.3 16.5 16.8 15.1 10.3 6.7 4.5 1753 -1.2 2.5 6.1 8.3 12.0 16.6 16.7 15.6 15.0 10.9 4.5 3.6 1754 1.8 1.2 1.6 6.5 12.9 14.5 15.4 16.7 14.0 10.9 5.7 2.4 1755 -1.4 -1.4 2.9 10.2 10.6 17.5 16.7 15.2 13.2 10.1 5.5 4.3 1756 5.0 4.2 4.9 5.6 10.4 16.3 18.1 16.3 15.5 9.8 4.2 -0.5 1757 -1.7 1.8 4.4 8.8 11.1 15.0 20.0 17.3 14.4 8.8 7.4 2.7 1758 -0.5 3.1 5.0 7.1 14.8 15.5 15.3 18.1 14.4 10.4 5.7 3.4 1759 4.6 5.2 6.3 8.7 11.6 16.4 19.2 17.8 14.5 11.5 3.7 -0.4 1760 -1.8 1.0 3.9 7.9 11.3 16.1 16.2 15.7 15.3 9.8 6.2 5.4 1761 2.5 4.3 6.7 8.2 12.8 15.5 15.6 17.7 14.7 7.3 5.3 0.1 1762 2.9 2.0 2.2 10.5 12.8 15.2 16.8 14.6 13.9 7.0 3.2 -0.4 1763 -5.8 2.9 3.3 7.3 10.3 14.8 16.3 16.5 13.2 8.3 5.6 4.0 1764 4.5 5.0 3.9 8.2 13.8 14.5 18.2 15.8 12.5 8.5 4.3 0.8 1765 3.1 -0.8 6.6 9.6 11.9 16.0 15.3 17.3 13.8 11.0 4.5 1.1 1766 0.0 0.9 4.7 9.7 12.1 14.8 16.6 16.8 14.5 9.9 5.5 1.2 1767 -3.8 4.8 5.1 6.8 9.9 13.2 15.4 16.6 15.1 10.4 7.6 0.4 1768 -2.1 3.0 3.7 7.4 11.6 15.1 17.2 16.6 12.3 9.0 5.8 3.0 1769 1.8 2.0 4.8 8.8 11.4 13.7 17.1 16.1 14.5 7.4 5.6 3.9 1770 2.1 3.0 2.3 6.3 11.4 14.0 16.4 17.7 15.9 9.7 5.0 4.6 1771 -0.3 0.1 0.8 4.3 13.8 14.7 16.0 14.9 13.9 10.6 5.8 4.2 1772 0.5 2.1 4.6 6.9 10.2 15.9 17.1 16.6 14.9 12.8 7.9 3.6 1773 4.5 1.1 5.4 8.6 12.1 14.8 16.2 17.7 14.7 11.7 6.8 4.3 1774 1.0 3.9 6.5 9.2 11.8 15.6 16.6 16.8 13.5 11.0 2.6 1.6 1775 2.0 6.1 6.4 8.9 11.5 17.1 17.3 17.3 16.2 11.0 3.0 4.2 1776 -5.2 3.4 6.2 9.4 10.6 15.8 18.4 16.8 13.9 11.1 5.5 2.2 1777 0.0 -0.1 5.2 6.9 12.8 14.2 16.3 17.3 14.6 10.4 7.3 1.3 1778 -0.7 0.5 4.0 9.2 13.8 16.4 19.5 18.2 13.2 8.1 7.1 6.4 1779 0.5 5.7 7.0 10.2 13.7 14.9 18.4 19.4 16.8 12.6 6.0 3.5 1780 -1.7 1.3 7.5 7.1 13.7 14.8 16.9 19.5 16.0 11.2 5.1 0.8 1781 -1.1 3.5 5.6 9.6 12.8 18.5 18.5 18.9 15.8 10.8 5.6 1.6 1782 3.8 -0.4 3.4 6.7 11.0 16.3 17.6 16.3 15.3 8.8 2.1 1.0 1783 3.1 4.7 2.5 9.6 12.3 16.5 20.6 18.1 15.2 10.8 5.7 -1.3 1784 -3.9 -1.7 1.6 5.4 14.0 15.5 16.7 15.9 15.8 7.0 6.1 0.1 1785 0.1 -0.9 0.0 6.1 11.4 14.8 17.1 16.2 16.1 10.5 5.6 0.0 1786 0.6 1.9 0.2 8.6 11.6 16.2 14.9 16.1 12.7 8.1 0.6 1.8 1787 -0.1 3.5 6.4 6.9 11.0 15.3 16.1 16.3 13.5 10.9 4.5 3.5 1788 2.9 1.5 2.7 8.4 13.1 16.7 18.3 16.2 15.0 10.3 4.3 -5.7 1789 -3.2 3.2 -0.4 6.0 13.0 14.5 16.4 16.9 14.1 8.5 3.7 4.4 1790 2.9 5.1 6.0 5.6 13.4 14.5 15.0 15.4 12.4 8.9 2.9 3.3 1791 3.6 3.6 5.7 9.8 10.9 13.8 15.6 16.8 13.7 9.2 4.1 1.5 1792 1.5 1.5 4.2 10.2 10.9 14.2 17.0 17.3 12.7 8.5 5.0 3.4 1793 0.8 4.0 4.2 6.3 10.4 13.2 18.0 16.1 12.6 11.2 4.9 4.1 1794 -0.1 4.6 7.4 11.3 11.4 14.8 19.0 15.9 13.2 9.2 5.6 -0.5 1795 -5.5 0.1 3.0 9.2 10.0 15.1 14.3 16.9 16.5 12.9 5.6 5.7 1796 6.0 4.2 2.9 9.3 11.6 14.8 16.0 17.0 15.4 9.0 4.6 -0.5 1797 1.2 2.6 3.9 9.1 13.0 13.9 18.9 17.0 13.7 9.2 5.5 4.0 1798 2.0 4.2 4.6 9.6 12.5 16.3 17.1 17.4 14.9 10.8 4.9 -2.3 1799 -2.5 -0.5 1.9 5.3 10.3 13.1 15.3 15.6 13.7 9.1 5.9 -2.3 1800 -0.6 -0.2 1.7 10.6 14.7 12.7 15.5 17.0 15.3 10.0 6.5 1.5 1801 2.5 1.2 5.8 8.1 12.9 13.3 15.3 17.1 15.1 11.0 4.8 2.1 1802 -0.9 2.1 4.4 8.6 11.1 14.4 14.1 17.5 14.1 10.6 4.5 2.7 1803 -4.8 -1.6 3.5 9.7 9.6 13.4 18.1 16.6 11.9 8.9 4.3 1.9 1804 3.5 1.3 2.4 6.1 13.2 14.5 15.9 15.8 15.6 9.6 2.3 -2.7 1805 -2.5 0.5 3.5 6.6 9.4 12.2 14.3 15.5 14.7 6.0 1.9 2.4 1806 2.8 3.3 3.6 5.4 14.1 13.9 15.7 16.5 14.6 9.0 7.3 6.5 1807 2.0 2.9 1.3 7.0 12.9 14.5 18.2 18.8 11.7 10.9 3.9 2.6 1808 0.7 1.4 1.2 5.2 14.5 14.2 18.9 18.1 14.1 8.0 4.0 -0.5 1809 -2.1 5.1 4.8 5.3 14.0 14.1 15.7 16.2 13.7 8.3 3.9 3.4 1810 -1.4 0.8 4.1 8.0 9.4 13.3 15.4 16.0 15.6 9.0 5.5 3.9 1811 -2.6 3.4 6.4 9.8 15.9 17.1 17.5 16.5 13.9 13.0 7.7 4.0 1812 1.9 4.1 3.1 5.3 12.7 14.4 15.3 16.1 13.8 10.6 2.8 -2.3 1813 -0.2 4.6 4.8 8.4 13.5 14.9 16.8 15.7 13.6 8.4 4.5 1.1 1814 -3.3 -2.6 1.0 9.9 10.0 12.9 17.5 16.0 13.7 8.2 5.2 2.9 1815 -2.5 3.9 7.4 9.1 13.2 15.1 14.9 15.9 13.9 10.1 4.2 0.3 1816 1.5 0.6 3.6 8.0 10.6 12.4 15.3 14.5 13.1 9.9 2.9 2.1 1817 3.8 5.5 4.8 5.7 10.8 16.3 15.9 15.2 15.4 6.0 7.7 1.8 1818 3.3 2.1 5.1 8.1 11.8 17.3 18.1 16.0 14.1 9.6 6.4 1.2 1819 3.3 3.9 5.4 9.4 13.6 15.8 17.6 18.3 15.3 9.0 3.9 0.0 1820 -2.8 0.8 3.1 9.2 12.5 13.1 15.5 16.7 13.3 9.0 3.1 0.7 1821 0.0 1.0 4.3 10.4 10.9 12.8 14.7 16.6 15.4 10.3 7.6 5.3 1822 4.2 5.1 7.4 8.8 14.4 17.3 17.2 16.6 13.4 10.9 7.9 -1.0 1823 -7.0 1.5 4.7 6.9 13.0 12.9 15.8 17.0 14.1 9.2 6.5 4.7 1824 3.7 2.9 4.3 7.4 11.9 14.7 16.7 17.2 15.8 10.4 7.3 5.9 1825 4.2 3.4 2.8 8.9 12.6 15.2 16.9 16.4 16.0 11.3 6.7 4.7 1826 -2.4 3.9 5.7 8.5 11.8 17.1 19.6 19.4 14.9 12.4 5.6 5.2 1827 0.0 -2.2 5.3 9.5 13.0 14.9 17.1 16.1 14.4 11.1 4.3 6.2 1828 1.8 1.7 5.9 8.9 13.1 16.1 17.9 16.0 15.1 10.3 5.2 5.1 1829 -3.3 -0.4 2.8 7.8 12.6 14.8 16.4 15.1 12.6 9.5 3.4 -4.5 1830 -2.5 -2.4 5.2 9.3 12.6 13.4 17.7 15.4 12.8 10.4 6.7 0.5 1831 -0.4 2.7 6.1 10.4 12.4 15.1 18.1 17.6 14.4 14.0 6.2 4.8 1832 -0.1 1.0 4.0 9.0 10.6 15.1 14.7 16.7 13.8 10.6 3.7 3.6 1833 -1.8 4.3 2.6 7.5 15.3 16.4 16.4 14.3 13.3 10.1 6.0 6.5 1834 6.1 3.1 6.0 7.3 14.1 16.3 19.2 18.1 15.6 10.9 5.0 4.5 1835 2.4 4.8 5.2 7.4 11.1 16.4 17.5 16.9 14.3 9.0 3.6 2.1 1836 1.7 3.0 7.0 8.0 12.4 14.3 16.8 15.8 12.7 10.3 5.7 4.4 1837 2.2 3.8 2.5 5.5 10.2 15.6 16.4 17.5 13.5 11.6 5.4 3.7 1838 -6.6 -1.8 4.1 6.3 12.4 14.9 17.0 15.8 13.2 10.8 3.8 2.1 1839 2.6 3.2 3.4 6.0 11.8 15.8 17.0 15.6 14.2 10.3 6.6 3.7 1840 1.9 4.5 3.2 10.7 13.1 15.1 15.3 17.0 13.7 9.0 6.6 -2.4 1841 0.2 0.0 6.4 9.4 15.4 14.6 14.7 16.6 16.1 10.6 6.5 5.0 1842 -1.9 2.2 6.1 7.4 13.5 16.1 15.7 19.7 14.2 9.0 3.8 4.1 1843 2.9 1.0 4.6 6.9 12.2 13.3 16.0 17.5 14.7 9.6 6.2 5.8 1844 2.5 1.4 4.1 9.9 12.9 15.0 15.1 14.9 14.8 9.8 5.4 -3.4 1845 0.9 -2.8 -2.3 8.1 9.6 15.8 16.1 15.0 13.9 10.4 6.7 5.1 1846 4.5 5.9 6.8 9.0 12.6 17.6 18.5 19.4 16.8 11.2 4.9 -1.3 1847 -1.6 1.2 3.9 6.1 13.7 14.0 17.6 17.4 11.9 9.6 7.4 0.9 1848 -4.3 4.1 6.2 9.5 14.4 16.1 16.4 15.4 13.3 10.6 6.0 2.8 1849 1.3 5.3 4.6 7.8 14.4 15.8 16.4 15.5 13.9 9.4 4.5 1.0 1850 -3.6 5.2 3.1 9.1 10.9 15.3 16.6 15.7 12.7 7.8 7.2 3.4 1851 3.6 2.9 5.2 7.6 10.1 15.0 15.7 16.8 13.1 10.9 2.8 3.0 1852 3.9 3.5 3.4 5.9 11.6 14.6 20.2 17.4 13.8 8.7 8.6 7.2 1853 4.8 -1.1 0.0 6.4 11.7 15.4 17.0 15.5 13.2 10.5 3.5 -3.0 1854 1.6 2.3 5.3 8.7 11.3 14.3 17.1 16.3 14.2 9.3 3.6 4.5 1855 -0.7 -5.7 1.6 6.3 10.2 14.9 16.6 16.7 14.2 11.2 3.5 -0.6 1856 2.6 4.4 3.5 8.4 10.4 14.7 15.3 17.6 13.2 10.9 3.4 4.1 1857 0.4 2.6 4.2 7.4 12.9 17.1 17.8 19.6 15.7 11.7 5.8 5.0 1858 0.4 -0.5 3.1 7.6 11.1 18.8 15.8 17.4 15.9 9.9 1.1 3.1 1859 3.2 5.1 7.1 7.5 13.0 17.4 20.0 17.8 13.6 11.0 4.2 0.2 1860 3.2 0.7 3.2 6.4 12.3 14.4 15.0 14.4 12.7 10.0 2.9 0.7 1861 -2.8 4.7 6.1 6.7 10.3 16.7 17.4 17.4 13.9 11.6 5.0 3.2 1862 1.4 3.3 7.4 10.0 14.7 14.0 15.4 16.2 14.6 11.6 4.9 4.7 1863 4.6 4.8 6.2 9.1 11.6 14.9 15.2 16.7 12.2 11.4 5.7 5.4 1864 -1.5 0.8 5.3 7.5 11.1 14.3 15.8 14.4 13.6 9.3 3.7 -0.5 1865 1.3 -0.5 1.1 11.1 15.2 14.2 17.7 15.9 16.8 10.7 6.9 2.8 1866 5.3 4.8 4.0 9.5 9.8 17.6 15.6 14.8 14.1 9.7 6.5 4.5 1867 0.6 6.5 2.6 8.7 12.4 15.0 14.7 17.5 14.7 9.5 5.7 1.2 1868 0.5 5.3 5.9 8.2 15.9 16.9 19.8 18.5 15.6 9.4 4.7 6.5 1869 1.7 6.4 2.7 10.7 11.3 12.9 17.5 15.5 15.1 9.2 5.4 1.7 1870 2.3 -0.6 3.3 9.3 11.9 14.7 18.0 16.0 13.3 9.5 5.4 -1.5 1871 -2.4 2.2 6.8 7.4 10.4 13.7 16.7 18.3 14.4 8.1 2.2 0.0 1872 3.2 5.0 6.7 8.3 11.4 15.9 19.2 16.5 14.4 10.0 7.4 5.0 1873 4.4 1.2 5.9 7.9 10.0 16.2 18.6 17.2 12.9 10.2 6.0 3.9 1874 4.1 2.6 5.7 9.8 10.0 15.0 18.6 15.6 15.2 10.8 4.0 -0.3 1875 3.9 -0.2 3.3 7.9 13.1 16.1 16.9 18.0 15.2 8.1 4.3 1.8 1876 -0.2 3.2 5.1 8.7 9.3 15.6 17.7 17.8 13.0 11.7 4.7 4.7 1877 4.5 5.5 4.0 7.0 9.9 17.3 16.5 16.6 11.7 9.0 7.3 2.7 1878 3.0 5.0 4.6 10.1 12.7 16.0 16.5 16.7 14.6 10.1 4.4 0.8 1879 -1.5 1.5 3.7 6.5 9.5 15.2 14.6 16.2 13.9 9.7 3.6 -3.5 1880 0.2 4.0 6.1 8.9 11.7 14.8 16.8 18.4 15.5 8.4 5.2 5.4 1881 -2.7 2.1 4.5 6.7 12.3 14.4 18.3 15.3 13.4 6.5 7.7 2.9 1882 2.4 4.0 7.5 8.6 12.6 14.0 16.1 15.1 13.6 9.9 5.5 2.6 1883 2.3 4.9 1.0 8.4 12.6 15.8 15.9 16.2 13.7 10.1 6.1 3.5 1884 5.5 4.9 6.1 7.5 12.7 13.3 18.2 19.0 15.9 10.2 4.4 3.8 1885 -0.1 5.9 4.3 9.7 10.0 15.8 17.2 14.6 12.7 8.5 4.0 2.6 1886 0.8 -1.1 3.2 8.3 12.6 14.0 16.6 16.8 16.0 11.1 7.0 2.0 1887 -0.1 2.1 2.6 6.9 10.1 15.5 18.1 16.0 12.6 7.6 4.8 1.7 1888 0.3 -1.0 2.1 6.5 11.3 15.7 14.5 15.0 13.5 8.3 5.8 3.6 1889 0.7 1.3 3.3 7.8 16.0 18.8 15.8 15.5 12.7 9.0 5.1 -0.8 1890 4.2 0.8 5.8 7.0 13.6 14.1 15.2 15.6 14.7 9.6 4.9 -4.8 1891 -1.7 2.4 4.0 6.5 12.0 15.6 15.7 15.2 15.3 11.0 4.7 3.6 1892 0.7 2.5 2.2 7.7 13.3 14.3 15.4 17.1 14.0 8.7 6.3 1.3 1893 -1.8 4.0 6.8 10.2 13.9 15.9 17.3 17.8 13.5 10.8 4.2 3.1 1894 1.5 3.6 6.9 11.1 11.3 14.0 17.3 15.2 12.4 9.4 6.8 3.9 1895 -0.6 -3.4 3.6 9.0 12.8 15.9 16.6 16.6 16.1 8.9 6.5 2.0 1896 2.4 2.5 6.9 8.0 11.7 18.0 18.0 15.2 14.0 8.9 2.8 2.3 1897 -0.9 3.4 6.6 7.9 11.7 17.1 17.0 17.9 13.2 9.4 4.7 2.9 1898 4.5 3.7 3.4 8.3 11.2 14.7 14.8 18.4 15.3 10.4 6.0 5.8 1899 4.2 3.4 3.7 7.8 10.8 15.6 18.1 17.7 14.1 8.5 9.1 -0.7 1900 3.2 2.5 2.7 7.4 11.0 16.1 18.5 16.5 14.3 10.2 5.9 5.3 1901 -0.3 -0.9 3.5 9.1 12.2 14.7 18.7 16.7 14.7 10.3 5.3 2.9 1902 4.6 -0.4 5.2 8.5 9.4 15.8 15.5 14.8 13.1 8.6 3.7 0.8 1903 2.9 5.6 7.1 5.6 12.8 14.3 15.6 15.3 14.4 11.1 5.7 0.8 1904 0.7 3.0 3.7 9.7 12.1 14.4 18.0 16.0 12.4 9.2 5.5 4.0 1905 1.3 3.6 6.0 6.6 11.9 16.9 18.0 16.0 12.9 6.5 3.8 2.3 1906 3.6 2.4 4.0 7.6 12.5 14.3 17.0 16.9 13.4 11.8 7.9 0.2 1907 1.7 0.7 4.7 7.6 12.6 13.7 13.9 15.2 13.7 11.3 5.8 3.1 1908 -1.2 3.7 3.6 6.1 13.1 16.3 16.7 15.3 13.6 9.9 4.5 1.1 1909 0.8 0.6 3.0 8.6 11.3 13.2 14.8 16.3 13.2 11.1 4.5 3.2 1910 3.5 4.0 5.2 7.9 12.7 16.4 15.3 16.1 13.4 10.3 3.4 5.7 1911 1.2 3.5 5.1 7.2 14.0 14.8 18.6 19.4 14.5 9.5 5.9 5.2 1912 2.0 4.0 7.5 8.7 11.7 15.2 18.4 14.1 10.7 7.9 5.5 5.4 1913 2.3 3.4 7.0 8.7 12.7 14.3 14.8 15.3 13.9 11.0 8.4 4.2 1914 -0.1 5.6 6.0 10.1 11.6 14.3 17.9 17.4 13.7 10.0 5.1 5.0 1915 3.2 3.1 4.1 7.5 12.4 15.7 15.6 15.6 13.1 7.6 2.9 5.2 1916 6.0 2.7 4.4 8.8 13.1 12.2 15.3 16.4 13.3 10.3 5.9 2.6 1917 -0.7 -1.5 1.9 4.6 14.7 18.3 16.7 16.2 14.6 8.1 7.3 0.0 1918 2.8 4.0 4.6 8.3 13.9 13.5 16.2 15.9 13.1 9.3 4.3 5.8 1919 1.9 0.3 4.1 6.3 13.8 14.4 13.9 16.0 14.4 7.0 1.8 3.7 1920 4.2 5.4 7.3 9.3 12.9 15.8 16.2 14.1 13.2 8.2 3.2 2.1 1921 6.2 3.1 6.7 8.8 13.4 14.8 18.1 16.9 14.0 12.7 1.3 3.2 1922 0.4 1.7 4.2 6.1 13.4 15.2 15.1 14.9 12.6 6.5 4.9 4.6 1923 4.0 3.0 6.5 7.8 10.3 11.6 18.9 15.8 13.0 10.7 2.9 0.4 1924 0.1 0.4 3.3 6.6 13.3 14.9 16.3 14.4 14.0 10.6 5.0 3.8 1925 3.8 4.8 3.6 8.1 13.8 15.2 18.4 16.3 11.8 9.8 2.8 1.4 1926 2.2 6.3 5.8 10.0 10.7 13.9 17.8 16.5 15.4 8.0 6.7 2.9 1927 3.9 2.8 6.6 7.8 11.4 13.2 17.1 16.9 14.1 10.4 4.1 -1.2 1928 3.6 4.8 4.5 8.3 10.9 14.0 17.2 16.1 12.7 9.8 7.7 2.3 1929 -1.4 -5.4 3.6 5.5 12.7 13.8 17.2 16.2 16.0 10.2 6.1 5.2 1930 4.7 1.6 4.8 8.9 11.7 17.8 16.2 16.6 14.0 10.3 7.3 2.2 1931 2.6 1.2 2.4 7.3 13.6 15.3 16.6 15.8 11.6 8.9 6.7 3.3 1932 4.0 1.5 3.1 7.3 12.2 15.0 17.5 18.9 14.8 9.3 5.5 3.5 1933 0.1 2.8 6.8 8.4 12.1 15.5 18.1 17.4 14.8 9.9 3.9 -2.1 1934 2.2 3.4 4.8 10.3 12.1 15.9 17.7 16.2 16.0 11.3 5.4 7.2 1935 2.9 4.3 5.0 7.9 11.0 16.5 17.7 17.2 14.1 9.7 7.1 2.6 1936 4.7 2.2 6.5 6.2 13.0 16.5 16.4 16.9 14.1 8.7 5.2 3.3 1937 2.6 4.8 3.4 8.8 14.2 15.7 16.7 17.4 13.4 10.9 4.6 1.6 1938 4.0 3.4 7.7 6.9 11.1 15.4 16.1 17.9 15.0 9.5 8.7 0.4 1939 4.3 3.5 4.5 9.2 12.0 16.3 17.0 17.6 15.1 7.6 7.3 1.0 1940 -5.5 -1.3 5.2 9.0 13.2 16.6 15.8 15.2 12.9 8.8 6.7 0.7 1941 -2.5 1.6 4.7 6.8 9.6 16.8 19.2 15.0 14.4 9.7 4.1 4.7 1942 -5.1 -4.2 2.7 9.3 12.1 14.4 16.0 17.9 14.7 11.9 5.6 4.2 1943 2.7 4.4 6.4 10.5 13.4 14.4 17.2 16.8 13.4 10.4 4.7 1.3 1944 5.2 1.8 3.6 9.5 11.6 14.1 16.9 19.3 13.2 9.5 6.4 2.5 1945 -1.6 6.0 7.3 10.2 13.6 16.0 17.8 16.4 14.5 11.5 4.9 3.2 1946 0.2 4.6 4.2 10.3 12.9 13.9 17.4 15.7 14.5 9.3 6.5 -0.3 1947 -1.4 -5.5 3.3 9.0 15.1 17.5 18.8 19.8 16.8 9.3 7.1 4.2 1948 5.1 3.0 6.7 10.0 12.7 15.3 16.6 16.4 14.4 9.7 4.9 3.5 1949 3.7 3.8 4.0 10.4 11.3 14.4 17.4 17.1 17.2 11.4 5.2 4.4 1950 1.0 5.5 6.5 7.7 12.8 17.3 17.3 17.1 13.4 9.2 5.9 -1.2 1951 4.0 3.9 4.0 7.2 12.1 15.2 16.9 16.3 15.2 8.6 8.4 4.3 1952 2.5 2.5 5.0 10.6 13.5 15.1 17.4 17.0 11.6 8.3 3.1 1.5 1953 1.4 2.5 5.1 8.7 13.1 15.8 17.1 16.5 13.9 11.8 7.7 5.3 1954 0.4 -0.3 6.0 6.8 13.2 15.1 14.3 15.8 13.5 12.0 6.9 5.5 1955 0.3 0.3 2.0 8.7 10.2 14.5 17.8 17.9 14.5 9.8 6.8 4.8 1956 2.2 -6.4 5.7 5.9 12.2 12.8 16.2 14.2 14.9 9.9 5.2 5.3 1957 3.6 5.0 8.3 8.6 10.0 15.9 17.3 15.4 12.6 10.6 6.3 3.1 1958 2.2 3.8 2.2 6.3 12.0 14.4 16.4 17.0 15.5 10.8 4.8 4.5 1959 1.6 0.7 6.8 9.6 13.1 16.0 18.3 17.6 15.4 11.2 4.9 4.1 1960 2.5 2.9 5.7 9.0 12.8 16.1 15.2 15.6 13.5 10.7 7.4 3.2 1961 2.0 5.9 7.1 10.4 10.9 15.5 15.4 15.8 16.4 11.2 4.7 1.7 1962 3.5 2.8 2.0 7.8 9.6 14.0 15.0 15.2 13.0 10.8 4.3 -0.7 1963 -5.3 -3.4 4.2 8.9 11.0 15.7 16.4 15.4 14.0 9.7 8.5 -1.0 1964 0.7 3.5 2.6 8.6 14.1 15.1 16.5 15.7 13.8 7.6 6.1 2.2 1965 2.5 2.0 4.3 7.6 11.8 14.7 14.8 15.0 12.5 9.7 2.7 4.4 1966 0.4 4.1 5.1 8.3 12.9 16.8 15.6 15.8 13.8 11.2 4.3 4.4 1967 3.0 5.1 6.7 7.4 12.7 14.4 18.1 16.5 14.2 11.9 5.1 3.4 1968 2.2 1.4 6.0 9.1 10.8 15.2 16.2 17.0 14.4 11.8 5.2 0.0 1969 4.6 0.2 2.5 8.1 13.1 15.5 18.5 18.1 15.3 13.0 6.7 -1.4 1970 0.6 1.1 3.2 6.1 13.0 17.5 15.7 16.8 14.2 10.6 7.4 2.4 1971 2.3 3.8 2.7 8.1 13.7 13.9 17.2 17.1 13.3 10.5 5.7 5.4 1972 0.5 3.6 6.2 7.7 11.8 13.4 17.2 15.5 11.9 9.0 6.0 3.3 1973 2.9 2.9 5.3 6.1 12.0 16.0 17.0 17.7 14.9 8.7 5.1 2.7 1974 5.2 4.6 5.6 9.1 11.6 14.8 15.4 16.4 12.7 7.0 6.5 7.3 1975 6.2 3.1 4.7 7.5 11.1 15.1 17.8 19.9 15.2 8.5 5.2 3.5 1976 4.2 2.9 3.0 7.5 13.3 18.0 19.3 18.0 13.8 11.2 6.9 1.7 1977 3.0 4.9 7.1 6.7 11.9 14.6 17.0 16.1 13.4 11.5 6.8 5.0 1978 3.0 1.1 6.6 6.9 12.1 15.0 15.4 15.3 13.7 10.9 6.3 1.8 1979 -3.2 -0.9 4.7 7.8 11.5 14.9 15.9 15.6 13.9 10.9 5.6 5.4 1980 0.2 4.8 4.7 8.0 12.3 15.0 15.8 17.0 15.3 9.4 4.9 3.6 1981 2.7 1.5 8.1 8.3 13.3 14.4 16.3 16.7 14.7 8.5 6.7 -0.7 1982 1.1 2.8 5.2 7.6 12.9 16.6 18.9 17.2 15.6 11.1 8.2 3.4 1983 6.2 0.9 5.7 8.5 10.6 16.4 20.1 18.1 14.2 10.4 6.1 3.8 1984 3.4 2.0 4.0 7.9 10.6 13.8 15.9 18.1 13.5 11.7 8.2 4.3 1985 -3.1 -0.6 4.1 8.5 13.2 13.7 17.4 15.9 14.4 10.3 2.6 5.7 1986 2.4 -3.6 4.2 6.2 13.3 16.4 17.2 15.6 11.6 11.4 7.9 5.1 1987 -2.7 2.1 2.3 10.7 10.2 13.8 16.8 16.2 14.8 10.8 6.8 4.4 1988 5.9 4.6 5.1 8.7 14.4 14.8 16.0 16.6 14.0 10.9 6.1 7.0 1989 4.5 5.3 8.2 6.9 14.6 15.7 18.1 17.2 15.6 12.4 5.6 4.8 1990 5.7 7.6 8.5 8.9 13.9 15.0 16.9 18.5 13.4 12.0 6.2 4.2 1991 3.2 -0.8 8.8 8.5 10.0 12.7 19.0 18.0 15.0 10.2 5.3 3.9 1992 2.7 4.9 6.9 8.7 15.6 17.2 18.3 17.8 14.6 8.0 8.0 3.7 1993 5.1 2.4 5.8 11.1 14.3 15.9 16.1 15.2 13.1 9.0 2.2 5.1 1994 5.2 1.5 7.3 8.2 12.4 15.0 21.4 17.6 13.6 9.4 10.2 5.3 1995 3.8 6.7 5.5 9.2 12.8 14.7 20.1 19.7 14.2 12.7 6.8 -0.9 1996 -0.1 0.6 3.2 9.4 10.7 15.7 16.3 17.3 12.5 10.8 5.9 0.6 1997 -1.2 6.2 8.0 7.8 12.8 16.0 17.4 20.5 14.3 9.7 6.7 5.0 1998 4.7 6.4 7.6 9.4 14.9 15.8 16.3 16.5 15.0 9.9 3.7 4.6 1999 5.2 3.1 7.3 9.8 14.2 15.0 19.1 17.5 17.4 10.6 6.7 4.8 2000 4.3 5.9 6.8 10.0 14.7 16.0 15.5 17.4 15.8 11.3 7.8 5.1 2001 2.606452 4.467857 4.945161 8.283334 14.14194 15.15667 18.53226 18.48387 13.43333 14.21935 7.120000 2.858065 2002 4.419355 7.114285 7.222580 9.330000 13.37097 16.50333 17.55161 18.59677 14.55333 9.461290 7.866667 2.890323 2003 2.493548 1.814286 7.316129 9.930000 13.18064 17.84000 18.83548 19.25484 13.92000 7.464516 7.996666 4.000000 2004 3.587097 4.820690 5.922581 10.35333 12.29355 15.52333 16.70323 18.84193 15.17667 11.30968 6.290000 3.238710 2005 5.254839 2.389286 6.541935 10.38667 12.57419 16.76000 17.65484 16.19355 15.71667 13.34194 6.850000 3.977419 2006 1.464516 2.889286 3.932258 8.983334 14.49677 16.67667 22.30968 16.35484 17.91667 13.57742 9.156667 6.506452 2007 7.093548 6.035714 7.964516 13.05667 14.12258 17.47667 17.00968 17.10968 13.78667 10.06774 6.910000 3.777420 2008 6.503226 5.137931 5.900000 8.926667 15.67419 16.48667 18.05161 17.39355 13.61000 10.08064 6.853333 2.448387 2009 0.7967743 3.307143 6.325807 12.17667 13.85484 15.64333 18.08065 18.45484 14.96333 10.69355 9.473333 2.225806 2010 -0.4548388 1.600000 6.435484 9.723333 10.49355 16.44000 19.87420 16.78710 13.55333 10.40323 5.806666 -1.145161 2011 3.519355 4.578571 6.048387 13.11667 13.97419 16.11667 15.89032 16.88710 15.64000 11.41935 7.190000 6.480645 2012 4.880645 0.8000000 8.293549 8.383334 14.45161 14.86667 17.25484 18.45807 14.15333 10.50323 6.840000 5.038710 2013 2.016129 1.660714 2.454839 8.126667 11.33948 -999.9000 -999.9000 -999.9000 -999.9000 -999.9000 -999.9000 -999.9000