YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1872 | 36.10 | 44.97 | 50.19 | 58.37 | 69.90 | 81.77 | 84.13 | 84.39 | 76.13 | 67.81 | 47.57 | 41.10 | 61.87 | |||||||||||||
1873 | 43.29 | 44.61 | 60.87 | 54.53 | 67.06 | 85.40 | 88.06 | 87.48 | 76.80 | 62.32 | 58.73 | 35.71 | 63.74 | |||||||||||||
1874 | 45.13 | 38.86 | 49.10 | 57.03 | 76.45 | 86.30 | 91.45 | 88.10 | 77.23 | 66.74 | 56.17 | 46.84 | 64.95 | |||||||||||||
1875 | 34.48 | 46.00 | 48.94 | 59.57 | 75.13 | 85.03 | 80.87 | 84.19 | 77.77 | 71.84 | 48.33 | 51.26 | 63.62 | |||||||||||||
1876 | 40.32 | 51.24 | 49.13 | 62.27 | 70.23 | 79.77 | 90.42 | 85.13 | 76.90 | 66.45 | 51.87 | 41.29 | 63.75 | |||||||||||||
1877 | 39.74 | 47.04 | 57.26 | 55.60 | 69.39 | 80.37 | 89.84 | 88.26 | 77.90 | 58.55 | 48.17 | 45.06 | 63.10 | |||||||||||||
1878 | 39.26 | 47.93 | 57.42 | 64.17 | 67.65 | 76.93 | 90.81 | 88.10 | 75.50 | 65.74 | 55.33 | 36.10 | 63.74 | |||||||||||||
1879 | 37.65 | 50.32 | 62.03 | 62.30 | 76.03 | 83.90 | 87.94 | 84.65 | 77.97 | 68.55 | 53.40 | 42.29 | 65.58 | |||||||||||||
1880 | 49.87 | 42.14 | 49.03 | 62.53 | 73.06 | 83.73 | 84.97 | 83.74 | 76.23 | 61.32 | 34.00 | 40.13 | 61.73 | |||||||||||||
1881 | 38.94 | 40.96 | 49.42 | 67.17 | 74.26 | 86.37 | 87.42 | 83.61 | 73.93 | 63.61 | 45.80 | 49.61 | 63.43 | |||||||||||||
1882 | 39.48 | 48.93 | 55.19 | 58.57 | 63.32 | 76.43 | 84.26 | 84.23 | 76.20 | 63.52 | 50.03 | 46.39 | 62.21 | |||||||||||||
1883 | 39.58 | 34.32 | 56.23 | 56.50 | 66.65 | 76.57 | 82.68 | 83.52 | 74.70 | 57.61 | 56.23 | 42.48 | 60.59 | |||||||||||||
1884 | 43.32 | 40.76 | 49.39 | 53.37 | 65.26 | 78.63 | 87.45 | 79.74 | 77.83 | 68.68 | 55.90 | 36.84 | 61.43 | |||||||||||||
1885 | 39.68 | 44.36 | 52.58 | 58.40 | 64.39 | 78.30 | 85.65 | 81.97 | 75.97 | 64.29 | 57.03 | 48.74 | 62.61 | |||||||||||||
1886 | 35.06 | 52.25 | 46.35 | 56.53 | 77.74 | 78.83 | 88.16 | 85.23 | 75.07 | 66.84 | 45.50 | 49.65 | 63.10 | |||||||||||||
1887 | 44.13 | 46.75 | 60.03 | 60.40 | 73.48 | 83.40 | 82.77 | 83.00 | 77.07 | 62.42 | 56.07 | 44.03 | 64.46 | |||||||||||||
1888 | 43.39 | 51.55 | 47.26 | 67.20 | 66.06 | 82.87 | 89.35 | 82.26 | 78.60 | 64.39 | 49.10 | 50.52 | 64.38 | |||||||||||||
1889 | 40.23 | 41.96 | 56.26 | 62.30 | 66.97 | 77.27 | 85.87 | 87.71 | 74.87 | 65.39 | 43.63 | 52.45 | 62.91 | |||||||||||||
1890 | 41.32 | 47.00 | 53.45 | 59.87 | 70.97 | 82.90 | 89.10 | 81.77 | 77.83 | 63.61 | 53.67 | 53.29 | 64.57 | |||||||||||||
1891 | 37.26 | 39.75 | 43.23 | 61.27 | 67.74 | 75.67 | 81.26 | 82.84 | 77.57 | 66.94 | 49.80 | 41.29 | 60.38 | |||||||||||||
1892 | 37.81 | 44.31 | 47.26 | 58.53 | 61.65 | 78.63 | 85.03 | 85.58 | 82.90 | 62.68 | 54.83 | 37.29 | 61.38 | |||||||||||||
1893 | 50.26 | 42.46 | 49.58 | 57.33 | 67.10 | 83.37 | 87.94 | 83.29 | 78.67 | 65.77 | 51.67 | 49.23 | 63.89 | |||||||||||||
1894 | 44.23 | 37.71 | 52.32 | 63.23 | 70.68 | 80.33 | 85.00 | 84.87 | 76.10 | 67.90 | 58.63 | 43.26 | 63.69 | |||||||||||||
1895 | 39.35 | 37.93 | 48.97 | 63.10 | 67.74 | 73.77 | 79.03 | 83.03 | 80.87 | 65.19 | 50.00 | 46.39 | 61.28 | |||||||||||||
1896 | 51.48 | 49.97 | 49.45 | 63.90 | 72.32 | 83.17 | 85.03 | 85.84 | 74.33 | 64.58 | 49.90 | 51.58 | 65.13 | |||||||||||||
1897 | 38.65 | 42.89 | 47.00 | 59.67 | 73.29 | 78.37 | 83.81 | 82.74 | 80.13 | 64.45 | 53.43 | 41.10 | 62.13 | |||||||||||||
1898 | 41.61 | 50.96 | 49.48 | 63.23 | 64.03 | 80.93 | 85.23 | 87.00 | 78.53 | 62.81 | 48.30 | 39.29 | 62.62 | |||||||||||||
1899 | 44.26 | 31.36 | 45.55 | 63.30 | 71.23 | 80.67 | 83.55 | 86.68 | 80.27 | 62.23 | 58.23 | 43.06 | 62.53 | |||||||||||||
1900 | 48.74 | 42.79 | 55.87 | 55.13 | 73.29 | 84.63 | 85.45 | 88.48 | 75.60 | 69.00 | 55.93 | 49.26 | 65.35 | |||||||||||||
1901 | 47.48 | 39.43 | 50.06 | 57.53 | 71.90 | 82.17 | 92.06 | 86.61 | 78.40 | 68.19 | 61.00 | 46.68 | 65.13 | |||||||||||||
1902 | 42.84 | 49.64 | 49.94 | 63.30 | 73.29 | 81.73 | 84.71 | 86.71 | 75.90 | 66.13 | 52.90 | 44.97 | 64.34 | |||||||||||||
1903 | 46.39 | 33.36 | 49.32 | 60.03 | 67.61 | 73.57 | 87.42 | 86.61 | 74.20 | 66.45 | 54.63 | 49.55 | 62.43 | |||||||||||||
1904 | 43.32 | 53.76 | 55.81 | 61.63 | 67.84 | 73.77 | 82.29 | 84.23 | 77.27 | 66.35 | 59.97 | 47.32 | 64.46 | |||||||||||||
1905 | 37.23 | 36.93 | 53.97 | 55.50 | 64.84 | 81.07 | 82.42 | 87.29 | 79.47 | 59.97 | 54.70 | 46.32 | 61.64 | |||||||||||||
1906 | 50.97 | 49.25 | 40.16 | 60.20 | 70.32 | 78.10 | 80.87 | 83.74 | 74.60 | 62.35 | 48.47 | 52.55 | 62.63 | |||||||||||||
1907 | 45.16 | 54.11 | 60.39 | 57.80 | 60.84 | 77.33 | 85.45 | 84.74 | 77.40 | 67.35 | 52.17 | 46.58 | 64.11 | |||||||||||||
1908 | 47.13 | 48.07 | 56.61 | 63.90 | 66.35 | 78.83 | 82.77 | 80.81 | 79.73 | 60.97 | 49.67 | 43.71 | 63.21 | |||||||||||||
1909 | 49.74 | 45.86 | 47.52 | 55.67 | 66.10 | 78.23 | 85.97 | 85.23 | 73.77 | 67.13 | 54.77 | 32.77 | 61.90 | |||||||||||||
1910 | 43.23 | 43.71 | 65.26 | 65.63 | 66.84 | 83.70 | 89.10 | 84.74 | 78.07 | 70.23 | 57.80 | 46.48 | 66.23 | |||||||||||||
1911 | 51.74 | 41.04 | 58.23 | 61.90 | 73.00 | 84.53 | 81.74 | 84.35 | 80.70 | 59.26 | 48.77 | 39.71 | 63.75 | |||||||||||||
1912 | 46.06 | 40.66 | 36.84 | 58.00 | 69.13 | 75.53 | 81.65 | 83.77 | 67.63 | 62.13 | 55.63 | 43.00 | 60.00 | |||||||||||||
1913 | 42.13 | 32.39 | 49.61 | 61.77 | 70.00 | 80.63 | 84.90 | 86.68 | 71.80 | 59.13 | 56.83 | 34.13 | 60.83 | |||||||||||||
1914 | 48.23 | 43.96 | 53.06 | 57.63 | 69.10 | 82.87 | 84.35 | 84.45 | 80.13 | 66.97 | 60.97 | 35.39 | 63.93 | |||||||||||||
1915 | 41.58 | 47.04 | 42.97 | 62.33 | 64.74 | 75.07 | 82.19 | 79.35 | 74.57 | 68.16 | 55.63 | 46.03 | 61.64 | |||||||||||||
1916 | 34.61 | 49.41 | 58.71 | 58.07 | 67.97 | 80.20 | 86.77 | 80.55 | 75.47 | 59.97 | 49.97 | 38.55 | 61.69 | |||||||||||||
1917 | 40.06 | 45.14 | 44.19 | 55.27 | 57.94 | 79.43 | 86.23 | 80.74 | 78.33 | 63.87 | 57.87 | 52.81 | 61.82 | |||||||||||||
1918 | 35.74 | 50.43 | 59.61 | 52.40 | 70.26 | 84.20 | 83.55 | 82.71 | 69.27 | 66.03 | 47.37 | 40.06 | 61.80 | |||||||||||||
1919 | 45.71 | 41.29 | 51.39 | 60.57 | 69.61 | 81.67 | 86.65 | 85.06 | 76.00 | 57.68 | 46.47 | 45.13 | 62.27 | |||||||||||||
1920 | 47.19 | 42.03 | 49.84 | 48.70 | 68.29 | 77.33 | 84.35 | 78.81 | 75.70 | 64.16 | 46.83 | 42.06 | 60.44 | |||||||||||||
1921 | 43.84 | 48.18 | 57.90 | 55.80 | 68.84 | 78.27 | 84.23 | 82.81 | 78.60 | 69.45 | 56.33 | 47.16 | 64.28 | |||||||||||||
1922 | 39.32 | 43.18 | 52.65 | 56.10 | 69.29 | 83.90 | 85.03 | 86.26 | 79.00 | 66.16 | 47.10 | 46.71 | 62.89 | |||||||||||||
1923 | 49.06 | 39.46 | 45.16 | 57.93 | 67.03 | 77.03 | 83.71 | 78.84 | 71.97 | 53.06 | 53.10 | 41.84 | 59.85 | |||||||||||||
1924 | 42.30 | a | 47.69 | 36.48 | 58.50 | 63.94 | 82.20 | 84.06 | 86.74 | 73.43 | 66.74 | 57.40 | 36.32 | 61.32 | ||||||||||||
1925 | 42.87 | 52.14 | 57.52 | 64.83 | 72.48 | 78.87 | 84.42 | 80.32 | 75.40 | 54.16 | 51.47 | 42.84 | 63.11 | |||||||||||||
1926 | 41.23 | 49.25 | 48.06 | 58.63 | 68.81 | 78.70 | 82.48 | 86.26 | 74.37 | 67.10 | 53.10 | 40.74 | 62.39 | |||||||||||||
1927 | 46.94 | 47.96 | 46.84 | 59.20 | 72.35 | 76.03 | 83.32 | 77.39 | 73.50 | 67.97 | 58.57 | 38.13 | 62.35 | |||||||||||||
1928 | 48.35 | 44.31 | 53.13 | 58.43 | 68.19 | 72.10 | 83.58 | 83.35 | 75.97 | 62.19 | 49.97 | 42.94 | 61.88 | |||||||||||||
1929 | 38.35 | 34.21 | 50.13 | 57.27 | 65.48 | 80.80 | 85.74 | 84.19 | 69.60 | 62.58 | 42.57 | 48.45 | 59.95 | |||||||||||||
1930 | 27.68 | 53.96 | 48.77 | 68.17 | 66.58 | 82.80 | 85.29 | 82.48 | 76.40 | 61.42 | 52.47 | 43.58 | 62.47 | |||||||||||||
1931 | 46.58 | 47.86 | 47.39 | 58.43 | 66.48 | 83.77 | 88.58 | 84.29 | 81.07 | 66.48 | 48.70 | 46.42 | 63.84 | |||||||||||||
1932 | 37.71 | 51.66 | 44.74 | 63.07 | 71.45 | 78.60 | 87.97 | 85.84 | 76.17 | 61.61 | 56.80 | 34.23 | 62.49 | |||||||||||||
1933 | 47.35 | 42.14 | 54.94 | 57.00 | 65.68 | 85.40 | 87.32 | 81.87 | 80.63 | 71.42 | 59.30 | 55.39 | 65.70 | |||||||||||||
1934 | 51.13 | 46.71 | 56.74 | 63.53 | 77.03 | 83.57 | 90.90 | 86.42 | 74.97 | 71.42 | 55.10 | 47.87 | 67.12 | |||||||||||||
1935 | 52.58 | 50.39 | 56.42 | 56.63 | 58.77 | 79.37 | 87.32 | 85.32 | 75.00 | 64.42 | 49.63 | 46.55 | 63.53 | |||||||||||||
1936 | 43.29 | 42.10 | 53.32 | 62.63 | 73.23 | 83.73 | 89.90 | 85.06 | 75.87 | 61.35 | 54.53 | 47.45 | 64.37 | |||||||||||||
1937 | 28.77 | 45.04 | 47.29 | 59.20 | 70.90 | 76.63 | 87.32 | 89.81 | 78.70 | 65.81 | 52.00 | 45.13 | 62.22 | |||||||||||||
1938 | 46.23 | 48.89 | 53.74 | 62.13 | 66.74 | 79.33 | 84.90 | 86.55 | 76.40 | 68.45 | 48.57 | 44.13 | 63.84 | |||||||||||||
1939 | 43.29 | 36.79 | 50.74 | 61.63 | 74.29 | 82.57 | 90.19 | 85.03 | 80.07 | 67.87 | 55.90 | 52.94 | 65.11 | |||||||||||||
1940 | 34.03 | 45.76 | 53.84 | 59.67 | 71.03 | 83.10 | 86.58 | 84.00 | 74.83 | 68.03 | 48.83 | 45.94 | 62.97 | |||||||||||||
1941 | 44.55 | 46.64 | 46.81 | 56.60 | 72.35 | 76.03 | 84.19 | 82.74 | 73.73 | 59.55 | 56.07 | 46.26 | 62.13 | |||||||||||||
1942 | 41.13 | 33.14 | 48.55 | 63.03 | 68.74 | 76.27 | 86.26 | 83.52 | 74.43 | 62.13 | 57.00 | 48.52 | 61.89 | |||||||||||||
1943 | 46.39 | 53.11 | 48.61 | 66.40 | 63.68 | 78.83 | 88.29 | 85.74 | 77.07 | 67.03 | 53.90 | 45.00 | 64.50 | |||||||||||||
1944 | 43.39 | 43.03 | 45.13 | 52.40 | 69.52 | 80.00 | 83.97 | 86.45 | 78.03 | 67.74 | 52.90 | 44.52 | 62.26 | |||||||||||||
1945 | 43.81 | 44.46 | 54.48 | 52.60 | 68.90 | 73.23 | 85.32 | 83.00 | 73.60 | 68.23 | 56.10 | 42.94 | 62.22 | |||||||||||||
1946 | 46.26 | 49.50 | 58.29 | 68.90 | 62.29 | 82.63 | 86.84 | 83.06 | 77.20 | 61.23 | 47.67 | 50.97 | 64.57 | |||||||||||||
1947 | 44.84 | 41.75 | 48.19 | 57.33 | 67.23 | 74.53 | 85.84 | 86.29 | 80.53 | 69.65 | 44.77 | 46.06 | 62.25 | |||||||||||||
1948 | 41.23 | 40.86 | 44.77 | 66.30 | 71.81 | 78.50 | 87.29 | 86.81 | 81.13 | 65.97 | 49.33 | 43.42 | 63.12 | |||||||||||||
1949 | 29.77 | 45.43 | 51.06 | 62.10 | 68.45 | 77.33 | 85.55 | 85.23 | 77.00 | 62.55 | 64.33 | 48.50 | a | 63.11 | ||||||||||||
1950 | 44.97 | 51.75 | 51.45 | 60.93 | a | 64.45 | 81.03 | 80.87 | 82.48 | 71.33 | 76.68 | 53.03 | 50.45 | 64.12 | ||||||||||||
1951 | 40.06 | 48.46 | 48.65 | 55.37 | 69.84 | 72.80 | 86.74 | 83.42 | 75.07 | 60.68 | 51.73 | 41.23 | 61.17 | |||||||||||||
1952 | 48.26 | 47.55 | 44.94 | 60.30 | 68.65 | 86.57 | 86.39 | 85.35 | 79.93 | 68.94 | 44.77 | 45.84 | 63.96 | |||||||||||||
1953 | 54.16 | 45.61 | 57.10 | 54.17 | 65.32 | 83.77 | 86.42 | 84.10 | 81.27 | 67.35 | 55.73 | 44.71 | 64.98 | |||||||||||||
1954 | 50.52 | 59.54 | 47.77 | 68.37 | 69.52 | 84.77 | 90.61 | 86.23 | 78.83 | 67.16 | 58.57 | 50.13 | 67.67 | |||||||||||||
1955 | 40.48 | 40.39 | 50.16 | 65.03 | 71.90 | 76.60 | 89.39 | 84.97 | 77.60 | 69.26 | 48.77 | 48.52 | 63.59 | |||||||||||||
1956 | 46.13 | 40.79 | 53.65 | 58.03 | 73.10 | 87.70 | 84.06 | 81.68 | 81.60 | 71.10 | 51.03 | 49.16 | 64.84 | |||||||||||||
1957 | 37.84 | 54.39 | 51.13 | 52.50 | 63.81 | 78.70 | 86.13 | 85.13 | 74.80 | 61.42 | 47.10 | 54.71 | 62.30 | |||||||||||||
1958 | 46.32 | 49.96 | 41.00 | 54.93 | 73.68 | 81.00 | 82.48 | 86.65 | 78.43 | 67.74 | 55.27 | 49.35 | 63.90 | |||||||||||||
1959 | 43.03 | 41.89 | 49.84 | 58.13 | 67.16 | 84.47 | 87.00 | 85.74 | 73.70 | 60.39 | 54.31 | a | 49.13 | 62.90 | ||||||||||||
1960 | 40.52 | 34.52 | 49.94 | 63.20 | 70.13 | 81.83 | 86.52 | 86.71 | 78.47 | 65.26 | 54.77 | 43.03 | 62.91 | |||||||||||||
1961 | 46.94 | 48.29 | 49.39 | 58.60 | 67.00 | 80.03 | 85.29 | 84.06 | 68.87 | 64.35 | 49.00 | 40.61 | 61.87 | |||||||||||||
1962 | 38.70 | a | 43.00 | 48.00 | 63.97 | 73.97 | 77.93 | 85.94 | 87.29 | 76.37 | 69.13 | 56.17 | 49.94 | 64.20 | ||||||||||||
1963 | 36.39 | 51.57 | 51.32 | 64.03 | 75.06 | 83.10 | 89.71 | 81.00 | 79.43 | 72.00 | 56.90 | 43.68 | 65.35 | |||||||||||||
1964 | 44.74 | 39.31 | 45.35 | 58.50 | 72.35 | 79.33 | 91.58 | 84.35 | 76.80 | 68.55 | 51.67 | 46.42 | 63.25 | |||||||||||||
1965 | 48.48 | 42.64 | 39.55 | 63.33 | 68.71 | 76.43 | 84.65 | 81.48 | 66.37 | 70.77 | 58.90 | 50.13 | 62.62 | |||||||||||||
1966 | 43.26 | 42.18 | 58.13 | 59.03 | 75.39 | 79.80 | 90.32 | 83.00 | 76.50 | 65.68 | 54.87 | 44.10 | 64.35 | |||||||||||||
1967 | 49.06 | 49.71 | 56.45 | 62.60 | 64.71 | 73.37 | 83.74 | 81.48 | 75.13 | 67.32 | 53.83 | 38.87 | 63.02 | |||||||||||||
1968 | 45.48 | 46.31 | 54.77 | 56.67 | 66.65 | 82.80 | 84.16 | 80.94 | 75.33 | 67.74 | 47.83 | 44.71 | 62.78 | |||||||||||||
1969 | 49.68 | 47.86 | 43.52 | 64.47 | 71.10 | 71.77 | 86.65 | 87.06 | 78.53 | 49.42 | 53.17 | 45.68 | 62.41 | |||||||||||||
1970 | 44.32 | 53.39 | 44.48 | 56.13 | 73.65 | 79.57 | 86.26 | 86.87 | 72.93 | 58.19 | 51.63 | 47.84 | 62.94 | |||||||||||||
1971 | 45.29 | 42.50 | 52.23 | 59.30 | 66.26 | 83.63 | 83.23 | 85.94 | 71.27 | 63.06 | 53.73 | 45.42 | 62.65 | |||||||||||||
1972 | 45.65 | 52.10 | 60.03 | 61.20 | 70.19 | 82.30 | 84.00 | 82.74 | 75.70 | 63.16 | 44.33 | 39.26 | 63.39 | |||||||||||||
1973 | 40.10 | 47.61 | 47.94 | 53.50 | 68.07 | a | 83.53 | 81.43 | h | 88.04 | d | 71.68 | b | 69.81 | d | 50.28 | e | 49.18 | i | 62.05 | b | |||||
1974 | 39.92 | g | 54.19 | g | 58.50 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.50 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.08 | 45.16 | 50.96 | 59.80 | 69.03 | 80.11 | 85.81 | 84.38 | 76.36 | 65.01 | 52.55 | 44.98 | 63.10 | |||||||||||||
S.D. | 5.13 | 5.54 | 5.51 | 3.99 | 3.89 | 3.61 | 2.72 | 2.39 | 3.07 | 4.26 | 4.75 | 4.83 | 1.49 | |||||||||||||
SKEW | -0.46 | -0.29 | -0.03 | -0.01 | -0.19 | -0.25 | 0.20 | -0.43 | -0.66 | -0.67 | -0.55 | -0.32 | 0.29 | |||||||||||||
MAX | 54.16 | 59.54 | 65.26 | 68.90 | 77.74 | 87.70 | 92.06 | 89.81 | 82.90 | 76.68 | 64.33 | 55.39 | 67.67 | |||||||||||||
MIN | 27.68 | 31.36 | 36.48 | 48.70 | 57.94 | 71.77 | 79.03 | 77.39 | 66.37 | 49.42 | 34.00 | 32.77 | 59.85 | |||||||||||||
YRS | 102 | 102 | 103 | 102 | 102 | 102 | 101 | 102 | 102 | 102 | 102 | 101 | 101 |