Year Mon Area 1874 5 124.7 1874 6 291.4 1874 7 687.4 1874 8 439.7 1874 9 39.5 1874 10 59.0 1874 11 258.0 1874 12 166.3 1875 1 59.7 1875 2 323.8 1875 3 260.6 1875 4 197.2 1875 5 134.8 1875 6 141.1 1875 7 62.1 1875 8 123.8 1875 9 10.1 1875 10 105.6 1875 11 56.7 1875 12 0.4 1876 1 25.7 1876 2 11.1 1876 3 169.1 1876 4 7.1 1876 5 0.0 1876 6 12.8 1876 7 6.6 1876 8 2.8 1876 9 1.2 1876 10 0.0 1876 11 29.7 1876 12 149.3 1877 1 183.9 1877 2 63.4 1877 3 5.0 1877 4 20.2 1877 5 63.1 1877 6 0.0 1877 7 2.8 1877 8 34.9 1877 9 50.9 1877 10 0.0 1877 11 0.0 1877 12 1.1 1878 1 14.9 1878 2 0.0 1878 3 47.9 1878 4 0.4 1878 5 51.5 1878 6 40.5 1878 7 0.4 1878 8 0.0 1878 9 57.2 1878 10 9.6 1878 11 23.6 1878 12 0.0 1879 1 0.0 1879 2 0.0 1879 3 0.0 1879 4 0.0 1879 5 5.8 1879 6 0.0 1879 7 27.8 1879 8 35.2 1879 9 41.3 1879 10 22.3 1879 11 10.5 1879 12 0.0 1880 1 163.1 1880 2 239.9 1880 3 90.9 1880 4 199.3 1880 5 408.3 1880 6 124.0 1880 7 113.0 1880 8 702.1 1880 9 322.0 1880 10 297.5 1880 11 377.2 1880 12 220.0 1881 1 296.1 1881 2 424.8 1881 3 363.6 1881 4 210.0 1881 5 132.9 1881 6 321.7 1881 7 678.8 1881 8 618.3 1881 9 675.4 1881 10 516.9 1881 11 706.2 1881 12 478.9 1882 1 272.2 1882 2 326.2 1882 3 240.7 1882 4 323.3 1882 5 582.7 1882 6 235.2 1882 7 307.4 1882 8 397.3 1882 9 657.6 1882 10 740.8 1882 11 1049.8 1882 12 170.0 1883 1 258.9 1883 2 476.1 1883 3 142.1 1883 4 388.0 1883 5 151.0 1883 6 367.0 1883 7 425.1 1883 8 93.0 1883 9 320.4 1883 10 462.8 1883 11 504.9 1883 12 346.9 1884 1 910.0 1884 2 988.3 1884 3 407.5 1884 4 99.7 1884 5 289.2 1884 6 169.0 1884 7 273.0 1884 8 379.2 1884 9 768.4 1884 10 394.5 1884 11 125.8 1884 12 611.4 1885 1 97.7 1885 2 262.3 1885 3 143.2 1885 4 473.3 1885 5 659.8 1885 6 639.4 1885 7 183.0 1885 8 139.2 1885 9 194.1 1885 10 166.1 1885 11 266.8 1885 12 169.9 1886 1 48.1 1886 2 24.3 1886 3 358.3 1886 4 93.2 1886 5 305.7 1886 6 43.4 1886 7 46.9 1886 8 29.3 1886 9 148.4 1886 10 12.9 1886 11 0.0 1886 12 58.4 1887 1 0.0 1887 2 36.5 1887 3 27.3 1887 4 42.8 1887 5 131.6 1887 6 20.5 1887 7 113.5 1887 8 29.1 1887 9 117.8 1887 10 0.7 1887 11 0.4 1887 12 0.0 1888 1 9.6 1888 2 0.0 1888 3 73.8 1888 4 3.8 1888 5 0.0 1888 6 13.1 1888 7 1.6 1888 8 4.1 1888 9 0.6 1888 10 0.0 1888 11 126.9 1888 12 0.0 1889 1 2.4 1889 2 0.0 1889 3 17.7 1889 4 25.9 1889 5 0.0 1889 6 0.0 1889 7 3.4 1889 8 0.0 1889 9 0.0 1889 10 1.4 1889 11 0.0 1889 12 5.4 1890 1 32.5 1890 2 0.6 1890 3 69.5 1890 4 6.2 1890 5 4.8 1890 6 0.0 1890 7 15.8 1890 8 149.6 1890 9 160.9 1890 10 3.5 1890 11 147.7 1890 12 49.2 1891 1 56.8 1891 2 232.8 1891 3 153.6 1891 4 191.6 1891 5 281.5 1891 6 473.9 1891 7 943.1 1891 8 342.7 1891 9 1151.8 1891 10 353.1 1891 11 298.5 1891 12 309.7 1892 1 735.1 1892 2 482.8 1892 3 361.0 1892 4 506.1 1892 5 557.9 1892 6 796.3 1892 7 1191.1 1892 8 933.6 1892 9 585.3 1892 10 440.9 1892 11 343.8 1892 12 290.5 1893 1 325.2 1893 2 378.4 1893 3 496.3 1893 4 493.3 1893 5 349.2 1893 6 362.6 1893 7 537.8 1893 8 630.3 1893 9 593.4 1893 10 715.6 1893 11 440.5 1893 12 876.8 1894 1 451.8 1894 2 294.8 1894 3 450.4 1894 4 875.7 1894 5 477.3 1894 6 890.1 1894 7 924.0 1894 8 902.4 1894 9 329.3 1894 10 439.4 1894 11 234.5 1894 12 265.6 1895 1 406.9 1895 2 538.5 1895 3 555.3 1895 4 843.0 1895 5 609.7 1895 6 633.9 1895 7 83.0 1895 8 985.3 1895 9 526.4 1895 10 825.4 1895 11 458.6 1895 12 343.6 1896 1 81.4 1896 2 438.1 1896 3 178.4 1896 4 321.5 1896 5 2.3 1896 6 123.6 1896 7 88.9 1896 8 55.4 1896 9 790.0 1896 10 84.3 1896 11 48.5 1896 12 259.1 1897 1 182.2 1897 2 400.5 1897 3 284.4 1897 4 247.2 1897 5 75.8 1897 6 3.8 1897 7 16.7 1897 8 10.3 1897 9 185.2 1897 10 54.1 1897 11 18.4 1897 12 714.5 1898 1 287.4 1898 2 60.3 1898 3 92.0 1898 4 3.8 1898 5 6.5 1898 6 23.2 1898 7 22.4 1898 8 210.5 1898 9 91.9 1898 10 288.5 1898 11 210.3 1898 12 5.2 1899 1 1.3 1899 2 0.0 1899 3 5.0 1899 4 10.1 1899 5 0.0 1899 6 167.3 1899 7 53.9 1899 8 0.0 1899 9 11.3 1899 10 2.6 1899 11 3.7 1899 12 25.1 1900 1 48.8 1900 2 100.7 1900 3 4.3 1900 4 20.5 1900 5 52.2 1900 6 61.4 1900 7 6.4 1900 8 10.7 1900 9 5.8 1900 10 0.0 1900 11 10.9 1900 12 0.0 1901 1 0.0 1901 2 0.0 1901 3 12.3 1901 4 0.0 1901 5 208.5 1901 6 33.8 1901 7 0.0 1901 8 0.0 1901 9 0.2 1901 10 0.0 1901 11 0.0 1901 12 0.0 1902 1 0.2 1902 2 0.0 1902 3 179.5 1902 4 0.0 1902 5 36.1 1902 6 5.9 1902 7 0.3 1902 8 2.1 1902 9 17.5 1902 10 85.9 1902 11 148.5 1902 12 2.9 1903 1 14.5 1903 2 89.0 1903 3 121.2 1903 4 116.1 1903 5 72.1 1903 6 77.4 1903 7 92.5 1903 8 36.5 1903 9 58.2 1903 10 243.2 1903 11 343.6 1903 12 314.0 1904 1 219.0 1904 2 221.1 1904 3 228.6 1904 4 288.7 1904 5 91.7 1904 6 251.7 1904 7 245.0 1904 8 178.5 1904 9 61.4 1904 10 424.9 1904 11 300.2 1904 12 711.2 1905 1 554.1 1905 2 657.8 1905 3 797.4 1905 4 218.7 1905 5 351.7 1905 6 436.2 1905 7 1080.1 1905 8 731.8 1905 9 381.2 1905 10 2011.3 1905 11 1363.8 1905 12 407.4 1906 1 416.3 1906 2 300.9 1906 3 744.0 1906 4 559.6 1906 5 907.8 1906 6 605.2 1906 7 1176.5 1906 8 289.8 1906 9 333.6 1906 10 23.5 1906 11 282.7 1906 12 785.9 1907 1 709.2 1907 2 788.1 1907 3 237.0 1907 4 507.0 1907 5 156.1 1907 6 51.4 1907 7 208.7 1907 8 340.8 1907 9 884.6 1907 10 706.1 1907 11 859.6 1907 12 453.1 1908 1 210.8 1908 2 101.8 1908 3 54.9 1908 4 22.8 1908 5 175.3 1908 6 115.4 1908 7 102.5 1908 8 713.0 1908 9 1060.2 1908 10 185.0 1908 11 607.4 1908 12 449.1 1909 1 818.8 1909 2 293.9 1909 3 682.2 1909 4 124.3 1909 5 79.3 1909 6 26.4 1909 7 506.0 1909 8 44.8 1909 9 37.3 1909 10 186.5 1909 11 297.8 1909 12 466.8 1910 1 111.6 1910 2 7.9 1910 3 165.9 1910 4 34.9 1910 5 71.5 1910 6 26.4 1910 7 128.5 1910 8 0.0 1910 9 1.6 1910 10 214.5 1910 11 14.4 1910 12 0.0 1911 1 0.0 1911 2 28.6 1911 3 28.4 1911 4 46.3 1911 5 36.9 1911 6 28.6 1911 7 9.9 1911 8 5.3 1911 9 52.2 1911 10 17.9 1911 11 0.4 1911 12 4.9 1912 1 0.0 1912 2 0.0 1912 3 0.0 1912 4 0.8 1912 5 0.4 1912 6 0.8 1912 7 0.0 1912 8 0.0 1912 9 0.0 1912 10 0.0 1912 11 0.0 1912 12 7.5 1913 1 8.3 1913 2 23.2 1913 3 0.0 1913 4 0.0 1913 5 0.0 1913 6 0.0 1913 7 6.8 1913 8 0.0 1913 9 3.6 1913 10 14.8 1913 11 0.0 1913 12 4.0 1914 1 6.5 1914 2 0.6 1914 3 38.5 1914 4 261.7 1914 5 67.6 1914 6 17.3 1914 7 0.2 1914 8 288.1 1914 9 211.8 1914 10 28.4 1914 11 144.2 1914 12 124.8 1915 1 274.1 1915 2 328.0 1915 3 297.0 1915 4 754.2 1915 5 463.3 1915 6 543.7 1915 7 248.5 1915 8 356.2 1915 9 501.9 1915 10 429.2 1915 11 200.9 1915 12 165.0 1916 1 315.4 1916 2 241.0 1916 3 534.9 1916 4 513.1 1916 5 444.4 1916 6 844.6 1916 7 540.2 1916 8 305.6 1916 9 384.0 1916 10 606.8 1916 11 387.3 1916 12 523.1 1917 1 911.1 1917 2 206.0 1917 3 781.4 1917 4 662.7 1917 5 558.2 1917 6 945.9 1917 7 1058.0 1917 8 1969.5 1917 9 1025.5 1917 10 402.3 1917 11 491.0 1917 12 1231.3 1918 1 844.6 1918 2 593.6 1918 3 545.8 1918 4 560.7 1918 5 528.4 1918 6 331.8 1918 7 868.9 1918 8 1164.7 1918 9 434.3 1918 10 826.2 1918 11 540.2 1918 12 60.3 1919 1 326.2 1919 2 1190.7 1919 3 797.8 1919 4 335.6 1919 5 1030.4 1919 6 896.4 1919 7 211.8 1919 8 475.7 1919 9 368.4 1919 10 386.5 1919 11 562.6 1919 12 202.8 1920 1 158.1 1920 2 265.5 1920 3 327.3 1920 4 60.7 1920 5 207.1 1920 6 432.0 1920 7 213.1 1920 8 58.0 1920 9 155.4 1920 10 296.9 1920 11 102.2 1920 12 217.4 1921 1 87.7 1921 2 13.4 1921 3 280.9 1921 4 329.9 1921 5 481.1 1921 6 273.9 1921 7 340.5 1921 8 140.0 1921 9 267.1 1921 10 304.5 1921 11 255.7 1921 12 227.6 1922 1 19.7 1922 2 253.5 1922 3 984.3 1922 4 83.9 1922 5 123.7 1922 6 10.0 1922 7 12.0 1922 8 24.8 1922 9 1.0 1922 10 16.0 1922 11 4.5 1922 12 386.0 1923 1 91.8 1923 2 1.4 1923 3 15.7 1923 4 6.4 1923 5 15.1 1923 6 62.2 1923 7 27.7 1923 8 0.5 1923 9 41.2 1923 10 30.5 1923 11 73.2 1923 12 25.7 1924 1 1.3 1924 2 66.4 1924 3 32.1 1924 4 20.4 1924 5 107.1 1924 6 414.6 1924 7 353.8 1924 8 352.6 1924 9 380.0 1924 10 345.4 1924 11 607.0 1924 12 123.2 1925 1 31.6 1925 2 68.9 1925 3 103.9 1925 4 231.2 1925 5 649.8 1925 6 455.8 1925 7 129.5 1925 8 302.7 1925 9 472.0 1925 10 516.6 1925 11 1028.8 1925 12 2174.1 1926 1 1960.1 1926 2 535.2 1926 3 345.4 1926 4 206.5 1926 5 235.4 1926 6 976.3 1926 7 331.7 1926 8 130.1 1926 9 989.6 1926 10 1079.0 1926 11 267.4 1926 12 879.3 1927 1 756.8 1927 2 397.8 1927 3 590.2 1927 4 594.1 1927 5 383.5 1927 6 565.6 1927 7 350.9 1927 8 122.7 1927 9 151.7 1927 10 232.3 1927 11 206.1 1927 12 195.9 1928 1 795.7 1928 2 506.7 1928 3 924.8 1928 4 442.5 1928 5 252.6 1928 6 889.3 1928 7 1044.5 1928 8 749.2 1928 9 1198.1 1928 10 763.2 1928 11 366.8 1928 12 777.8 1929 1 714.6 1929 2 190.1 1929 3 218.8 1929 4 530.7 1929 5 530.4 1929 6 448.7 1929 7 188.0 1929 8 152.7 1929 9 97.9 1929 10 731.1 1929 11 1737.1 1929 12 2267.5 1930 1 831.6 1930 2 292.2 1930 3 159.7 1930 4 331.5 1930 5 328.1 1930 6 185.4 1930 7 84.5 1930 8 96.9 1930 9 277.6 1930 10 462.0 1930 11 243.1 1930 12 140.0 1931 1 152.5 1931 2 666.0 1931 3 345.7 1931 4 341.2 1931 5 158.9 1931 6 164.7 1931 7 47.4 1931 8 36.8 1931 9 108.2 1931 10 23.6 1931 11 239.2 1931 12 166.1 1932 1 47.7 1932 2 114.6 1932 3 141.8 1932 4 185.7 1932 5 273.3 1932 6 243.0 1932 7 6.0 1932 8 0.1 1932 9 2.7 1932 10 70.3 1932 11 120.4 1932 12 266.3 1933 1 179.8 1933 2 606.5 1933 3 162.3 1933 4 15.4 1933 5 15.3 1933 6 37.4 1933 7 11.3 1933 8 0.1 1933 9 4.0 1933 10 36.8 1933 11 4.3 1933 12 0.7 1934 1 42.8 1934 2 54.4 1934 3 1.2 1934 4 11.9 1934 5 106.2 1934 6 94.4 1934 7 101.5 1934 8 8.4 1934 9 18.3 1934 10 10.4 1934 11 56.5 1934 12 25.5 1935 1 47.4 1935 2 67.5 1935 3 89.1 1935 4 23.9 1935 5 53.0 1935 6 96.4 1935 7 142.1 1935 8 309.5 1935 9 403.2 1935 10 576.5 1935 11 520.5 1935 12 110.7 1936 1 561.3 1936 2 410.1 1936 3 272.9 1936 4 421.1 1936 5 118.0 1936 6 436.3 1936 7 390.5 1936 8 440.3 1936 9 280.6 1936 10 579.7 1936 11 623.9 1936 12 1016.4 1937 1 795.0 1937 2 1463.5 1937 3 899.2 1937 4 1575.1 1937 5 1379.8 1937 6 1541.6 1937 7 2320.6 1937 8 1646.4 1937 9 1353.1 1937 10 1816.9 1937 11 295.8 1937 12 705.9 1938 1 2064.5 1938 2 563.8 1938 3 362.6 1938 4 694.4 1938 5 765.1 1938 6 975.4 1938 7 924.4 1938 8 491.3 1938 9 766.5 1938 10 1558.5 1938 11 797.0 1938 12 668.6 1939 1 386.1 1939 2 336.8 1939 3 314.8 1939 4 1083.0 1939 5 1080.2 1939 6 742.4 1939 7 939.2 1939 8 1322.0 1939 9 362.8 1939 10 576.2 1939 11 397.1 1939 12 200.5 1940 1 900.7 1940 2 467.8 1940 3 877.5 1940 4 265.7 1940 5 308.3 1940 6 203.1 1940 7 631.8 1940 8 868.8 1940 9 244.8 1940 10 366.1 1940 11 364.9 1940 12 465.0 1941 1 309.5 1941 2 288.0 1941 3 403.0 1941 4 28.0 1941 5 100.7 1941 6 557.5 1941 7 552.5 1941 8 596.0 1941 9 1115.8 1941 10 748.6 1941 11 384.2 1941 12 129.4 1942 1 120.5 1942 2 799.6 1942 3 791.1 1942 4 615.5 1942 5 157.0 1942 6 80.0 1942 7 4.4 1942 8 130.5 1942 9 16.2 1942 10 12.5 1942 11 184.8 1942 12 162.1 1943 1 31.7 1943 2 542.0 1943 3 615.4 1943 4 608.5 1943 5 202.5 1943 6 30.2 1943 7 224.6 1943 8 84.9 1943 9 221.3 1943 10 232.2 1943 11 120.4 1943 12 97.3 1944 1 25.0 1944 2 1.6 1944 3 2.0 1944 4 0.0 1944 5 6.3 1944 6 49.1 1944 7 4.5 1944 8 6.4 1944 9 7.7 1944 10 47.8 1944 11 161.7 1944 12 194.0 1945 1 89.4 1945 2 44.2 1945 3 11.0 1945 4 7.6 1945 5 19.6 1945 6 21.1 1945 7 169.4 1945 8 250.1 1945 9 100.3 1945 10 450.9 1945 11 147.0 1945 12 121.7 1946 1 793.7 1946 2 2470.7 1946 3 930.6 1946 4 563.0 1946 5 483.6 1946 6 386.9 1946 7 2126.5 1946 8 1460.2 1946 9 1426.4 1946 10 509.9 1946 11 997.6 1946 12 1244.7 1947 1 821.2 1947 2 266.8 1947 3 820.1 1947 4 494.2 1947 5 1817.3 1947 6 1288.6 1947 7 1539.5 1947 8 1393.5 1947 9 1095.9 1947 10 1239.8 1947 11 640.4 1947 12 476.4 1948 1 246.3 1948 2 536.9 1948 3 866.0 1948 4 1964.2 1948 5 1288.9 1948 6 1358.8 1948 7 1335.7 1948 8 774.4 1948 9 626.8 1948 10 1089.0 1948 11 515.6 1948 12 606.0 1949 1 1316.1 1949 2 1423.0 1949 3 2055.4 1949 4 1083.1 1949 5 700.1 1949 6 925.8 1949 7 757.7 1949 8 1466.0 1949 9 586.8 1949 10 1333.0 1949 11 1499.0 1949 12 1016.5 1950 1 1220.9 1950 2 1534.3 1950 3 916.0 1950 4 1418.1 1950 5 1151.5 1950 6 524.6 1950 7 739.0 1950 8 373.3 1950 9 354.2 1950 10 202.4 1950 11 503.4 1950 12 376.6 1951 1 519.6 1951 2 542.9 1951 3 716.8 1951 4 1129.8 1951 5 2432.7 1951 6 1159.8 1951 7 150.5 1951 8 310.4 1951 9 712.3 1951 10 238.9 1951 11 302.6 1951 12 542.5 1952 1 390.7 1952 2 32.8 1952 3 14.4 1952 4 206.1 1952 5 11.8 1952 6 54.9 1952 7 106.1 1952 8 383.4 1952 9 129.8 1952 10 321.6 1952 11 415.9 1952 12 269.0 1953 1 147.8 1953 2 9.9 1953 3 35.6 1953 4 391.7 1953 5 194.3 1953 6 119.6 1953 7 0.3 1953 8 247.3 1953 9 119.0 1953 10 1.9 1953 11 1.4 1953 12 2.3 1954 1 0.4 1954 2 1.4 1954 3 0.6 1954 4 0.3 1954 5 0.8 1954 6 1.8 1954 7 9.6 1954 8 24.5 1954 9 0.7 1954 10 11.7 1954 11 7.5 1954 12 81.6 1955 1 445.5 1955 2 186.0 1955 3 10.3 1955 4 71.9 1955 5 264.5 1955 6 69.6 1955 7 126.2 1955 8 289.5 1955 9 295.1 1955 10 542.7 1955 11 985.8 1955 12 654.5 1956 1 1348.5 1956 2 2044.1 1956 3 1092.2 1956 4 869.7 1956 5 1137.9 1956 6 1080.3 1956 7 1011.6 1956 8 1732.2 1956 9 908.5 1956 10 1152.7 1956 11 1028.0 1956 12 1507.5 1957 1 1277.9 1957 2 474.0 1957 3 576.1 1957 4 591.4 1957 5 1122.0 1957 6 1798.8 1957 7 1456.2 1957 8 1386.4 1957 9 3156.0 1957 10 1822.5 1957 11 1394.7 1957 12 2302.6 1958 1 1623.3 1958 2 940.5 1958 3 2225.4 1958 4 1933.0 1958 5 1443.0 1958 6 1928.1 1958 7 1531.3 1958 8 1468.8 1958 9 964.2 1958 10 847.9 1958 11 685.8 1958 12 1238.7 1959 1 4129.7 1959 2 2287.1 1959 3 3196.6 1959 4 2196.1 1959 5 2003.4 1959 6 2187.6 1959 7 2426.2 1959 8 2786.5 1959 9 1438.0 1959 10 936.1 1959 11 1704.4 1959 12 2034.7 1960 1 1537.9 1960 2 1250.7 1960 3 720.8 1960 4 1067.1 1960 5 1082.2 1960 6 989.2 1960 7 1636.7 1960 8 1156.3 1960 9 607.1 1960 10 805.3 1960 11 1255.1 1960 12 512.0 1961 1 649.8 1961 2 261.7 1961 3 311.8 1961 4 325.8 1961 5 428.6 1961 6 578.5 1961 7 743.7 1961 8 459.2 1961 9 767.8 1961 10 279.1 1961 11 283.6 1961 12 244.8 1962 1 585.2 1962 2 482.3 1962 3 570.0 1962 4 502.0 1962 5 260.2 1962 6 102.5 1962 7 232.4 1962 8 129.4 1962 9 548.8 1962 10 259.6 1962 11 111.5 1962 12 107.5 1963 1 170.0 1963 2 118.9 1963 3 128.3 1963 4 87.2 1963 5 394.7 1963 6 331.4 1963 7 147.6 1963 8 240.3 1963 9 528.7 1963 10 417.8 1963 11 150.5 1963 12 22.0 1964 1 58.3 1964 2 66.8 1964 3 141.7 1964 4 7.8 1964 5 24.5 1964 6 23.4 1964 7 7.5 1964 8 51.5 1964 9 16.6 1964 10 21.0 1964 11 23.3 1964 12 87.1 1965 1 145.9 1965 2 109.3 1965 3 52.7 1965 4 19.0 1965 5 223.7 1965 6 15.1 1965 7 72.8 1965 8 14.9 1965 9 153.1 1965 10 101.1 1965 11 134.9 1965 12 123.8 1966 1 224.0 1966 2 240.3 1966 3 563.8 1966 4 785.0 1966 5 341.9 1966 6 273.4 1966 7 710.6 1966 8 513.6 1966 9 897.5 1966 10 568.0 1966 11 705.6 1966 12 600.7 1967 1 1073.3 1967 2 1169.0 1967 3 1380.1 1967 4 497.3 1967 5 1356.0 1967 6 825.1 1967 7 1208.6 1967 8 1432.9 1967 9 522.5 1967 10 781.9 1967 11 1182.4 1967 12 973.9 1968 1 1548.6 1968 2 1525.7 1968 3 704.9 1968 4 705.0 1968 5 1107.6 1968 6 1123.3 1968 7 1053.6 1968 8 747.0 1968 9 673.0 1968 10 797.3 1968 11 560.0 1968 12 988.3 1969 1 1073.3 1969 2 882.9 1969 3 1663.9 1969 4 1140.5 1969 5 551.8 1969 6 1077.3 1969 7 416.9 1969 8 522.4 1969 9 449.9 1969 10 1258.7 1969 11 1496.9 1969 12 536.0 1970 1 285.7 1970 2 765.0 1970 3 721.2 1970 4 727.5 1970 5 1155.1 1970 6 1121.1 1970 7 948.7 1970 8 1015.6 1970 9 1003.8 1970 10 953.4 1970 11 1279.7 1970 12 1038.9 1971 1 1026.2 1971 2 753.3 1971 3 199.6 1971 4 495.0 1971 5 617.4 1971 6 186.1 1971 7 579.3 1971 8 151.2 1971 9 221.8 1971 10 709.9 1971 11 222.1 1971 12 302.9 1972 1 141.4 1972 2 642.2 1972 3 530.8 1972 4 172.5 1972 5 385.4 1972 6 321.9 1972 7 455.8 1972 8 654.6 1972 9 160.9 1972 10 84.2 1972 11 28.5 1972 12 362.8 1973 1 355.7 1973 2 258.5 1973 3 324.6 1973 4 290.7 1973 5 154.1 1973 6 192.6 1973 7 215.4 1973 8 130.8 1973 9 557.6 1973 10 173.2 1973 11 47.1 1973 12 28.3 1974 1 44.7 1974 2 11.8 1974 3 58.6 1974 4 22.6 1974 5 22.3 1974 6 92.6 1974 7 0.1 1974 8 64.9 1974 9 408.2 1974 10 393.2 1974 11 299.4 1974 12 240.3 1975 1 135.9 1975 2 68.3 1975 3 9.2 1975 4 16.6 1975 5 0.6 1975 6 84.6 1975 7 222.2 1975 8 672.9 1975 9 34.0 1975 10 113.8 1975 11 78.4 1975 12 26.9 1976 1 0.0 1976 2 0.0 1976 3 134.2 1976 4 168.3 1976 5 40.9 1976 6 41.9 1976 7 2.3 1976 8 257.3 1976 9 114.7 1976 10 103.2 1976 11 91.5 1976 12 185.9 1977 1 60.1 1977 2 58.0 1977 3 33.9 1977 4 5.1 1977 5 93.9 1977 6 314.1 1977 7 168.2 1977 8 219.3 1977 9 705.6 1977 10 458.8 1977 11 188.5 1977 12 230.1 1978 1 299.0 1978 2 1559.8 1978 3 882.7 1978 4 1260.7 1978 5 1030.7 1978 6 762.7 1978 7 693.9 1978 8 203.2 1978 9 1370.6 1978 10 639.9 1978 11 642.3 1978 12 908.0 1979 1 1278.8 1979 2 1365.7 1979 3 793.1 1979 4 1183.2 1979 5 1302.6 1979 6 1647.1 1979 7 1109.3 1979 8 1166.7 1979 9 1687.6 1979 10 2093.4 1979 11 1415.2 1979 12 436.1 1980 1 1055.6 1980 2 987.2 1980 3 519.6 1980 4 1346.8 1980 5 554.6 1980 6 511.5 1980 7 626.8 1980 8 887.0 1980 9 1217.1 1980 10 1086.4 1980 11 1428.5 1980 12 981.8 1981 1 532.9 1981 2 1244.0 1981 3 1330.7 1981 4 1933.9 1981 5 1512.7 1981 6 624.9 1981 7 577.8 1981 8 825.3 1981 9 1590.6 1981 10 649.1 1981 11 774.9 1981 12 1342.2 1982 1 685.1 1982 2 1414.5 1982 3 1909.0 1982 4 1377.3 1982 5 554.1 1982 6 1994.1 1982 7 1481.3 1982 8 1218.9 1982 9 819.0 1982 10 645.8 1982 11 412.5 1982 12 915.0 1983 1 514.4 1983 2 147.5 1983 3 47.0 1983 4 94.7 1983 5 356.3 1983 6 372.4 1983 7 222.6 1983 8 95.7 1983 9 84.9 1983 10 648.5 1983 11 51.3 1983 12 81.7 1984 1 1154.8 1984 2 1286.1 1984 3 278.2 1984 4 332.3 1984 5 786.3 1984 6 116.2 1984 7 100.3 1984 8 59.6 1984 9 26.1 1984 10 53.7 1984 11 47.1 1984 12 26.2 1985 1 9.9 1985 2 76.0 1985 3 112.9 1985 4 349.1 1985 5 76.1 1985 6 52.3 1985 7 51.0 1985 8 10.4 1985 9 0.9 1985 10 189.7 1985 11 21.9 1985 12 30.7 1986 1 0.9 1986 2 19.0 1986 3 123.3 1986 4 159.6 1986 5 42.5 1986 6 1.4 1986 7 92.6 1986 8 79.0 1986 9 23.8 1986 10 275.9 1986 11 77.5 1986 12 5.0 1987 1 12.6 1987 2 11.5 1987 3 96.6 1987 4 65.3 1987 5 315.0 1987 6 75.1 1987 7 67.3 1987 8 89.9 1987 9 46.7 1987 10 322.9 1987 11 58.8 1987 12 11.7 1988 1 118.3 1988 2 456.2 1988 3 392.0 1988 4 671.1 1988 5 119.2 1988 6 541.8 1988 7 744.3 1988 8 1003.0 1988 9 401.8 1988 10 1078.9 1988 11 918.4 1988 12 1663.3 1989 1 1314.6 1989 2 1801.0 1989 3 2432.8 1989 4 752.7 1989 5 812.0 1989 6 2014.6 1989 7 590.3 1989 8 1331.8 1989 9 1309.0 1989 10 842.3 1989 11 1846.6 1989 12 1375.2 1990 1 827.8 1990 2 971.5 1990 3 611.9 1990 4 1045.8 1990 5 826.5 1990 6 593.1 1990 7 1171.5 1990 8 1388.3 1990 9 739.2 1990 10 722.1 1990 11 1997.3 1990 12 1549.0 1991 1 1148.9 1991 2 724.0 1991 3 241.2 1991 4 875.9 1991 5 1403.6 1991 6 2012.7 1991 7 1535.9 1991 8 1083.4 1991 9 439.1 1991 10 632.3 1991 11 385.9 1991 12 834.6 1992 1 745.2 1992 2 1349.8 1992 3 671.1 1992 4 361.7 1992 5 364.0 1992 6 588.5 1992 7 514.8 1992 8 730.7 1992 9 230.1 1992 10 422.3 1992 11 300.5 1992 12 260.1 1993 1 146.8 1993 2 785.0 1993 3 359.5 1993 4 266.9 1993 5 510.3 1993 6 253.4 1993 7 181.1 1993 8 224.9 1993 9 217.5 1993 10 342.8 1993 11 391.5 1993 12 513.0 1994 1 794.8 1994 2 358.5 1994 3 72.3 1994 4 111.5 1994 5 238.5 1994 6 82.6 1994 7 184.7 1994 8 72.7 1994 9 48.5 1994 10 342.3 1994 11 41.1 1994 12 33.0 1995 1 62.3 1995 2 70.0 1995 3 34.3 1995 4 21.5 1995 5 68.2 1995 6 124.1 1995 7 130.5 1995 8 75.4 1995 9 53.2 1995 10 50.6 1995 11 14.0 1995 12 13.1 1996 1 74.1 1996 2 15.4 1996 3 31.6 1996 4 4.7 1996 5 0.9 1996 6 82.6 1996 7 3.2 1996 8 20.3 1996 9 0.0 1996 10 0.5 1996 11 42.0 1996 12 47.4 1997 1 5.9 1997 2 30.5 1997 3 24.4 1997 4 19.1 1997 5 105.2 1997 6 21.0 1997 7 35.2 1997 8 131.4 1997 9 193.7 1997 10 79.0 1997 11 382.7 1997 12 321.1 1998 1 55.1 1998 2 38.5 1998 3 77.2 1998 4 40.6 1998 5 350.5 1998 6 259.0 1998 7 273.2 1998 8 859.4 1998 9 641.7 1998 10 262.4 1998 11 524.5 1998 12 676.1 1999 1 412.8 1999 2 434.5 1999 3 453.9 1999 4 208.6 1999 5 850.8 1999 6 1127.5 1999 7 867.5 1999 8 640.8 1999 9 388.7 1999 10 967.8 1999 11 855.9 1999 12 1020.6 2000 1 426.3 2000 2 535.0 2000 3 784.0 2000 4 820.9 2000 5 1003.0 2000 6 1379.9 2000 7 1335.0 2000 8 645.8 2000 9 1252.1 2000 10 387.9 2000 11 830.7 2000 12 554.1 2001 1 456.1 2001 2 349.0 2001 3 1194.5 2001 4 1115.3 2001 5 833.7 2001 6 1308.5 2001 7 417.7 2001 8 718.1 2001 9 1021.6 2001 10 1246.9 2001 11 1175.3 2001 12 1241.0 2002 1 778.1 2002 2 693.5 2002 3 470.2 2002 4 1313.7 2002 5 862.1 2002 6 345.8 2002 7 687.8 2002 8 527.0 2002 9 689.3 2002 10 1335.0 2002 11 611.8 2002 12 420.9 2003 1 169.4 2003 2 245.0 2003 3 873.9 2003 4 621.6 2003 5 229.4 2003 6 851.7 2003 7 681.9 2003 8 205.9 2003 9 352.8 2003 10 1104.6 2003 11 852.1 2003 12 412.3 2004 1 164.8 2004 2 300.3 2004 3 199.6 2004 4 96.1 2004 5 77.7 2004 6 203.5 2004 7 924.7 2004 8 375.3 2004 9 126.5 2004 10 262.8 2004 11 409.3 2004 12 114.3 2005 1 700.0 2005 2 46.0 2005 3 78.6 2005 4 63.5 2005 5 216.8 2005 6 181.5 2005 7 401.5 2005 8 221.3 2005 9 114.8 2005 10 15.4 2005 11 2.3 2005 12 220.8 2006 1 55.1 2006 2 1.5 2006 3 9.0 2006 4 4.7 2006 5 49.7 2006 6 21.9 2006 7 36.6 2006 8 2.3 2006 9 5.1 2006 10 0.0 2006 11 15.9 2006 12 28.9 2007 1 31.2 2007 2 0.0 2007 3 11.7 2007 4 3.7 2007 5 67.7 2007 6 0.0 2007 7 7.2 2007 8 4.1 2007 9 6.1 2007 10 0.0 2007 11 4.7 2007 12 8.6 2008 1 2.7 2008 2 0.0 2008 3 0.0 2008 4 5.1 2008 5 5.0 2008 6 0.0 2008 7 0.0 2008 8 0.0 2008 9 3.3 2008 10 12.6 2008 11 31.7 2008 12 0.0 2009 1 5.4 2009 2 2.0 2009 3 0.0 2009 4 0.5 2009 5 6.3 2009 6 10.7 2009 7 0.0 2009 8 0.5 2009 9 23.3 2009 10 82.2 2009 11 14.5 2009 12 72.3 2010 1 142.7 2010 2 161.0 2010 3 184.1 2010 4 59.7 2010 5 25.3 2010 6 19.1 2010 7 70.0 2010 8 228.5 2010 9 188.1 2010 10 289.0 2010 11 142.8 2010 12 306.6 2011 1 205.7 2011 2 236.0 2011 3 745.6 2011 4 501.4 2011 5 203.9 2011 6 205.1 2011 7 364.0 2011 8 575.1 2011 9 1084.5 2011 10 992.9 2011 11 1177.3 2011 12 451.6 2012 1 847.5 2012 2 280.0 2012 3 571.3 2012 4 286.3 2012 5 741.3 2012 6 157.7 2012 7 144.1 2012 8 351.8 2012 9 286.8 2012 10 349.1 2012 11 549.7 2012 12 304.2 2013 1 775.4 2013 2 348.0 2013 3 394.7 2013 4 624.4 2013 5 528.8 2013 6 141.4 2013 7 189.7 2013 8 149.5 2013 9 135.3 2013 10 343.7 2013 11 452.2 2013 12 238.0 2014 1 198.3 2014 2 256.5 2014 3 341.9 2014 4 501.2 2014 5 410.1 2014 6 335.1 2014 7 184.3 2014 8 433.5 2014 9 381.7 2014 10 84.5 2014 11 317.3 2014 12 280.9 2015 1 267.4 2015 2 314.0 2015 3 124.4 2015 4 472.7 2015 5 398.3 2015 6 601.1 2015 7 342.8 2015 8 82.7 2015 9 168.9 2015 10 257.4 2015 11 335.1 2015 12 306.2 2016 1 311.6 2016 2 256.8 2016 3 212.7 2016 4 479.7 2016 5 191.0 2016 6 57.4 2016 7 315.7 2016 8 244.8 2016 9 308.0