YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1894 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.35 | k | 36.70 | 35.93 | a | 36.32 | j | |
1895 | 20.42 | 22.36 | 39.97 | 60.47 | 72.03 | 82.30 | 80.61 | h | 82.32 | 79.45 | a | 55.13 | 41.44 | c | 31.06 | 53.36 | a | |||||||||
1896 | 25.77 | 30.90 | 36.19 | 56.71 | m | 76.13 | 79.60 | 81.32 | 81.45 | 67.10 | 56.28 | b | 37.27 | 32.48 | 54.95 | a | ||||||||||
1897 | 26.89 | c | 30.04 | 36.42 | 54.68 | b | 68.68 | 76.43 | 84.00 | 76.13 | 78.20 | 64.03 | 40.17 | 26.80 | a | 55.21 | ||||||||||
1898 | 29.87 | 29.11 | a | 44.23 | 55.30 | 69.52 | 79.03 | 82.57 | j | 78.67 | a | 75.73 | 54.13 | 42.60 | 28.32 | f | 55.82 | b | ||||||||
1899 | 23.97 | 19.36 | c | 29.48 | 60.97 | 68.04 | c | 78.54 | b | 82.00 | v | 84.40 | k | 69.20 | 64.39 | 50.70 | 29.26 | 49.39 | b | |||||||
1900 | 30.83 | a | 23.37 | a | 34.29 | 60.27 | 74.55 | 78.67 | 80.32 | 85.58 | 72.90 | 67.25 | c | 38.36 | b | 31.07 | a | 56.45 | ||||||||
1901 | 26.07 | d | 23.00 | b | 37.22 | d | 59.83 | 70.39 | 80.00 | 87.23 | a | 82.81 | 71.27 | 62.93 | a | 41.54 | b | 25.72 | f | 58.39 | a | |||||
1902 | 28.35 | 29.07 | a | 46.59 | b | 58.07 | c | 69.74 | 72.28 | a | 82.10 | a | 76.71 | 68.17 | a | 60.97 | 49.07 | a | 27.07 | b | 55.68 | |||||
1903 | 25.13 | a | 29.57 | 47.55 | 57.61 | g | 68.00 | b | 75.73 | 80.40 | a | 73.16 | 70.00 | 60.83 | a | 41.96 | c | 22.97 | 54.12 | a | ||||||
1904 | 19.50 | e | 17.00 | 35.69 | b | 50.00 | 69.10 | a | 76.28 | a | 79.19 | 75.87 | 70.67 | 58.45 | 48.12 | e | 28.16 | 52.34 | ||||||||
1905 | 19.86 | b | 21.89 | 42.48 | 55.67 | 64.65 | 74.53 | 78.32 | 78.42 | 72.56 | c | 57.77 | a | 43.97 | a | 33.52 | 53.64 | |||||||||
1906 | 31.90 | 28.29 | 30.39 | 60.37 | 67.94 | 75.97 | 81.00 | a | 82.59 | d | 77.17 | 59.07 | a | 42.14 | a | 30.70 | a | 55.63 | ||||||||
1907 | 25.38 | e | 29.78 | j | 44.55 | 46.40 | 60.81 | 75.97 | 79.05 | i | 76.66 | b | 69.13 | 57.40 | a | 42.93 | 33.54 | c | 53.28 | b | ||||||
1908 | 30.60 | a | 28.69 | 41.81 | 56.19 | c | 67.33 | a | 75.97 | 81.58 | 81.10 | 79.67 | 61.33 | a | 46.69 | a | 30.67 | d | 56.80 | |||||||
1909 | 27.83 | a | 30.82 | 37.65 | 47.68 | b | 66.06 | 77.27 | 83.26 | 82.26 | 70.63 | 55.46 | c | 50.27 | 22.61 | 54.32 | ||||||||||
1910 | 26.06 | 25.79 | 55.27 | a | 61.54 | d | 65.48 | 83.13 | 87.71 | 82.42 | 70.37 | 63.64 | c | 35.38 | a | 26.77 | 56.96 | |||||||||
1911 | 24.96 | d | 34.93 | m | 44.71 | 54.30 | 73.93 | a | 82.43 | 83.24 | b | 77.83 | g | 70.70 | 55.39 | 36.60 | 34.90 | a | 56.12 | b | ||||||
1912 | 8.84 | 23.17 | 33.13 | 59.73 | d | 69.00 | 77.10 | 82.29 | 74.19 | 71.43 | 61.19 | 46.57 | 35.23 | a | 53.49 | |||||||||||
1913 | 27.65 | 24.64 | 38.52 | b | 59.33 | 66.32 | 80.87 | 79.55 | 80.16 | 72.67 | 61.43 | j | 48.03 | 39.68 | 56.13 | a | ||||||||||
1914 | 31.74 | 22.54 | 38.94 | 53.77 | 71.90 | 75.83 | 84.52 | 80.97 | 72.89 | c | 64.74 | d | 46.18 | b | 23.03 | 55.59 | ||||||||||
1915 | 23.77 | 33.50 | 38.84 | 66.89 | b | 61.45 | b | 72.13 | 77.68 | 74.68 | 71.77 | 61.52 | 45.47 | 29.94 | 54.80 | |||||||||||
1916 | 28.26 | 24.45 | 35.81 | 56.18 | b | 69.11 | d | 70.66 | a | 89.42 | 82.94 | 69.27 | 58.84 | 42.50 | 25.03 | 54.37 | ||||||||||
1917 | 22.87 | 19.25 | 38.29 | 52.27 | 65.00 | 70.97 | 82.55 | 77.06 | 69.53 | 47.23 | 45.57 | 22.19 | 51.06 | |||||||||||||
1918 | 14.13 | 26.46 | 48.19 | 52.90 | 72.68 | 77.33 | 80.52 | 82.68 | 66.43 | 62.77 | 46.30 | 35.87 | a | 55.52 | ||||||||||||
1919 | 31.97 | 31.07 | 43.13 | 56.17 | 66.55 | 79.97 | 84.65 | 78.97 | 74.30 | 57.81 | 38.83 | 20.16 | 55.30 | |||||||||||||
1920 | 19.19 | 27.07 | 42.39 | 49.72 | a | 68.84 | 78.97 | 78.80 | a | 79.80 | a | 75.40 | 67.37 | a | 40.00 | a | 31.77 | 54.94 | ||||||||
1921 | 30.58 | 33.32 | 45.03 | 62.73 | 71.27 | a | 83.00 | 91.00 | 81.90 | 76.63 | 59.03 | a | 37.21 | a | 30.35 | 58.51 | ||||||||||
1922 | 25.32 | 27.50 | 39.58 | 55.07 | 75.17 | b | 78.57 | 79.48 | 80.97 | 74.17 | 63.06 | 46.87 | 29.06 | 56.24 | ||||||||||||
1923 | 27.16 | 22.89 | 33.94 | 54.83 | a | 70.90 | 82.79 | a | 84.39 | 78.70 | a | 70.60 | 58.71 | 48.10 | 39.40 | a | 56.03 | |||||||||
1924 | 19.43 | a | 29.69 | 36.90 | 51.72 | a | 60.90 | a | 72.31 | a | 79.63 | a | 77.00 | a | 65.93 | 67.06 | 43.79 | a | 22.16 | 52.21 | ||||||
1925 | 26.70 | a | 32.78 | a | 44.32 | 63.80 | 67.81 | 77.83 | 79.77 | 81.23 | 76.03 | 46.63 | a | 42.80 | 24.77 | 55.37 | ||||||||||
1926 | 27.77 | 31.39 | 33.67 | a | 55.67 | 72.00 | 72.13 | 80.71 | 77.81 | 66.30 | 55.61 | 36.77 | 26.16 | 53.00 | ||||||||||||
1927 | 23.23 | 33.86 | 46.32 | 54.37 | 64.34 | b | 75.13 | 79.97 | 77.23 | 73.27 | 63.16 | 41.55 | a | 26.06 | 54.87 | |||||||||||
1928 | 28.10 | 31.72 | 41.61 | 50.23 | 72.71 | 72.67 | 79.94 | 79.23 | a | 68.55 | a | 60.94 | 44.23 | 33.19 | 55.26 | |||||||||||
1929 | 18.42 | 22.14 | 43.94 | 58.00 | a | 65.39 | 74.37 | 82.33 | a | 78.48 | 71.60 | 59.13 | 39.52 | a | 28.90 | 53.52 | ||||||||||
1930 | 20.97 | 36.19 | a | 41.84 | 59.20 | 69.10 | 79.10 | 85.21 | b | 83.81 | 75.46 | b | 57.17 | b | 50.00 | a | 31.17 | a | 57.43 | |||||||
1931 | 33.19 | 38.32 | 40.39 | 60.90 | a | 67.57 | a | 82.17 | 88.03 | 82.23 | 78.30 | 62.65 | 51.47 | 38.50 | a | 60.31 | ||||||||||
1932 | 31.10 | 32.52 | 32.35 | 54.27 | 68.23 | 81.43 | 84.33 | a | 81.65 | 74.17 | a | 55.97 | 41.07 | a | 29.33 | a | 55.53 | |||||||||
1933 | 36.84 | 27.43 | 38.19 | 54.03 | 68.39 | 86.50 | 84.60 | a | 81.03 | a | 78.60 | 57.23 | 39.97 | 27.65 | 56.70 | |||||||||||
1934 | 33.26 | 25.79 | 37.00 | 54.33 | 81.06 | 83.23 | 82.80 | a | 77.48 | 68.33 | 62.70 | a | 46.57 | 25.61 | 56.51 | |||||||||||
1935 | 23.87 | 29.86 | 41.35 | 52.37 | 62.55 | 71.97 | a | 85.39 | 78.77 | a | 70.97 | 59.84 | 41.10 | a | 27.00 | 53.75 | ||||||||||
1936 | 20.07 | a | 14.59 | 41.26 | 51.03 | 76.03 | 77.16 | e | 89.32 | 84.06 | 74.73 | 55.23 | 42.79 | a | 34.90 | 55.10 | ||||||||||
1937 | 25.61 | 26.86 | 37.19 | 52.00 | a | 68.80 | a | 76.03 | 85.39 | 87.29 | 74.27 | 56.50 | a | 41.37 | 26.52 | d | 54.82 | |||||||||
1938 | 24.35 | 32.89 | 48.42 | 58.00 | 66.77 | 76.13 | 80.42 | 82.23 | 70.03 | 66.48 | 45.03 | 30.29 | 56.76 | |||||||||||||
1939 | 30.68 | 27.68 | 41.16 | 52.90 | 75.68 | 76.90 | 86.10 | a | 81.40 | a | 75.19 | c | 59.63 | a | 47.50 | 37.17 | a | 57.66 | ||||||||
1940 | 19.35 | 30.72 | 34.10 | 53.37 | 66.26 | 76.33 | 83.30 | a | 76.35 | 73.17 | 62.74 | 41.38 | d | 30.83 | a | 53.99 | ||||||||||
1941 | 27.93 | a | 28.57 | 35.65 | 63.66 | a | 72.86 | b | 77.80 | 83.48 | 82.00 | 73.67 | 59.26 | 47.20 | 36.53 | a | 57.38 | |||||||||
1942 | 27.16 | 28.44 | a | 41.97 | 65.73 | 65.23 | 75.17 | 80.65 | 78.52 | 68.37 | 62.65 | 45.43 | 25.23 | 55.38 | ||||||||||||
1943 | 24.27 | a | 31.35 | b | 35.55 | 54.53 | 66.19 | 78.53 | 83.00 | a | 80.87 | a | 66.47 | 60.87 | 40.28 | a | 34.52 | 54.70 | ||||||||
1944 | 38.21 | b | 33.18 | a | 35.10 | 53.00 | 72.32 | 79.60 | 82.74 | 83.32 | 70.73 | 62.61 | 47.23 | 26.97 | a | 57.08 | ||||||||||
1945 | 22.93 | a | 31.33 | a | 53.84 | 57.93 | 65.32 | 72.75 | b | 79.94 | 80.29 | 70.28 | a | 60.19 | 43.57 | 25.00 | 55.28 | |||||||||
1946 | 29.61 | 30.18 | 51.29 | 63.20 | 67.26 | 75.23 | 82.42 | 78.26 | 71.93 | 66.61 | ----- | z | ----- | z | 61.60 | b | ||||||||||
1947 | ----- | z | ----- | z | ----- | z | 53.30 | 60.72 | b | 73.23 | 82.32 | 87.39 | 74.27 | 71.77 | 37.17 | 29.83 | m | 67.52 | d | |||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | 27.61 | 33.94 | 51.93 | 72.84 | 74.10 | 80.48 | 76.52 | 68.73 | 58.81 | 35.79 | a | 27.81 | 55.32 | a | ||||||||||
1952 | 27.74 | 32.59 | 35.58 | 61.37 | 67.16 | 78.93 | 84.48 | 80.74 | 77.03 | 58.26 | 47.43 | 32.59 | b | 56.99 | ||||||||||||
1953 | 29.77 | 29.61 | 39.29 | 51.57 | 69.16 | 80.93 | 83.58 | 83.74 | 76.07 | 69.94 | 51.17 | 33.26 | 58.17 | |||||||||||||
1954 | 26.19 | 39.11 | 38.74 | 58.97 | a | 62.71 | 80.20 | 81.81 | 79.06 | 70.97 | 58.07 | a | 46.55 | a | 31.45 | 56.15 | ||||||||||
1955 | 25.68 | 28.79 | 38.77 | 64.17 | 72.42 | 77.10 | 88.87 | 87.19 | 77.00 | 62.77 | 39.17 | 26.48 | 57.37 | |||||||||||||
1956 | 28.35 | 30.68 | a | 35.71 | 52.47 | 67.77 | 81.52 | a | 77.81 | 78.93 | a | 69.67 | 68.03 | 42.69 | a | 32.45 | 55.51 | |||||||||
1957 | 20.81 | 33.32 | 42.39 | 56.57 | 66.26 | 78.57 | 85.45 | 81.58 | 71.17 | 59.16 | 41.40 | 34.13 | 55.90 | |||||||||||||
1958 | 28.97 | a | 26.00 | 42.10 | a | 58.43 | 71.39 | 75.67 | 81.35 | 84.19 | 73.40 | 64.52 | 46.70 | 24.57 | a | 56.44 | ||||||||||
1959 | 19.61 | 25.61 | 37.00 | 56.53 | 73.74 | 80.73 | 83.32 | 84.94 | 74.47 | 52.42 | 34.63 | 36.29 | 54.94 | |||||||||||||
1960 | 29.35 | 29.55 | 33.35 | 59.33 | 65.77 | 74.70 | 82.71 | 81.29 | 73.00 | 59.77 | 47.52 | a | 29.71 | 55.51 | ||||||||||||
1961 | 27.61 | 36.89 | 42.26 | 51.33 | 67.55 | 79.27 | 83.32 | 81.52 | 71.73 | 62.03 | 43.57 | 27.13 | 56.18 | |||||||||||||
1962 | 21.42 | 25.29 | 38.00 | 55.93 | 72.19 | 77.73 | 79.39 | 83.97 | 69.17 | 61.42 | 44.90 | 29.81 | 54.93 | |||||||||||||
1963 | 14.45 | 24.14 | 43.32 | 61.13 | 67.19 | 83.00 | 85.10 | 78.84 | 72.63 | 71.42 | 49.50 | 23.48 | 56.18 | |||||||||||||
1964 | 33.39 | 35.52 | 40.03 | 57.87 | 73.90 | 79.67 | 84.13 | 79.55 | 69.67 | 60.84 | 49.50 | 27.13 | 57.60 | |||||||||||||
1965 | 24.52 | 28.75 | 33.58 | 51.80 | 74.23 | 78.50 | 81.16 | 79.61 | 68.13 | 60.65 | 44.97 | 36.67 | a | 55.21 | ||||||||||||
1966 | 20.81 | 30.71 | 44.87 | 53.40 | 65.58 | 81.77 | 87.90 | 79.48 | 72.60 | 61.84 | 44.13 | 29.68 | 56.06 | |||||||||||||
1967 | 29.03 | 24.36 | 40.00 | 57.23 | 64.48 | 77.63 | 79.81 | 77.35 | 73.20 | 57.52 | 39.93 | 31.81 | 54.36 | |||||||||||||
1968 | 27.06 | 28.62 | 51.39 | 59.73 | 65.32 | 77.00 | 80.71 | 81.45 | 72.93 | 62.35 | 43.20 | 30.13 | 56.66 | |||||||||||||
1969 | 23.35 | 32.18 | 37.23 | 59.10 | 70.65 | 69.60 | 82.19 | 87.48 | 73.07 | 55.84 | 43.53 | 30.20 | a | 55.37 | ||||||||||||
1970 | 19.74 | 30.46 | 39.16 | 58.90 | 69.39 | 80.80 | 86.23 | 84.35 | 71.77 | 60.71 | 41.77 | 29.84 | 56.09 | |||||||||||||
1971 | 19.84 | 27.71 | 36.00 | 58.77 | 68.58 | 82.33 | 80.71 | 80.32 | 75.43 | 65.90 | 44.37 | 32.03 | 56.00 | |||||||||||||
1972 | 21.94 | 25.61 | a | 34.90 | 51.67 | 76.19 | 77.87 | 80.65 | 78.58 | 69.07 | 55.32 | 39.87 | 25.55 | 53.10 | ||||||||||||
1973 | 30.26 | 31.07 | 49.77 | 53.10 | 64.13 | 79.67 | 84.32 | 82.16 | 71.69 | a | 65.39 | 43.87 | 28.29 | 56.98 | ||||||||||||
1974 | 26.13 | 29.32 | 39.61 | 59.30 | 64.32 | 75.33 | 85.33 | a | 79.27 | a | 68.90 | 60.32 | 43.67 | 33.61 | 55.43 | |||||||||||
1975 | 28.32 | 29.39 | 36.03 | a | 49.03 | 74.00 | 77.07 | a | 84.81 | 81.77 | 66.83 | 65.61 | 50.67 | ----- | z | 58.50 | a | |||||||||
1976 | 24.65 | 36.31 | 42.74 | 60.03 | 68.16 | 84.93 | b | 87.68 | 82.45 | 74.47 | 56.39 | 38.40 | 22.58 | 56.57 | ||||||||||||
1977 | 14.58 | 32.11 | 47.94 | 64.00 | 79.93 | a | 77.40 | 85.67 | a | 77.71 | 69.70 | 59.48 | 42.52 | a | 26.48 | 56.46 | ||||||||||
1978 | 21.10 | 24.43 | 40.90 | 53.40 | 71.52 | 77.73 | 79.13 | 81.35 | 75.77 | 59.13 | 43.83 | 27.00 | a | 54.61 | ||||||||||||
1979 | 14.26 | 20.26 | a | 35.19 | d | 52.86 | b | 65.27 | a | 77.21 | a | 82.41 | b | 75.63 | a | 73.86 | b | 56.85 | e | 42.62 | f | 37.04 | d | 53.71 | a | |
1980 | 25.03 | b | 27.32 | a | 36.45 | 58.14 | b | 72.03 | b | 76.64 | e | 84.23 | a | 78.83 | a | 69.71 | b | 52.97 | b | 44.29 | b | 27.57 | a | 54.44 | ||
1981 | 25.14 | b | 31.82 | 44.93 | a | 57.57 | 68.21 | b | 78.26 | c | 82.30 | d | 78.90 | a | 68.00 | d | 53.62 | b | 48.12 | e | ----- | z | 57.90 | a | ||
1982 | 16.10 | b | 26.92 | b | 36.90 | 53.77 | d | 73.39 | c | 72.22 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.55 | f | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 25.22 | 28.47 | 40.02 | 56.36 | 69.05 | 77.65 | 82.92 | 80.44 | 72.12 | 60.32 | 43.53 | 29.78 | 55.58 | |||||||||||||
S.D. | 5.32 | 4.66 | 5.24 | 4.32 | 4.18 | 3.46 | 2.92 | 3.04 | 3.26 | 4.62 | 4.08 | 4.47 | 1.54 | |||||||||||||
SKEW | -0.39 | -0.37 | 0.65 | 0.17 | 0.35 | -0.01 | 0.53 | 0.15 | 0.25 | -0.12 | -0.10 | 0.16 | -0.14 | |||||||||||||
MAX | 38.21 | 39.11 | 55.27 | 66.89 | 81.06 | 86.50 | 91.00 | 87.48 | 79.67 | 71.77 | 51.47 | 39.68 | 60.31 | |||||||||||||
MIN | 8.84 | 14.59 | 29.48 | 46.40 | 60.72 | 69.60 | 77.68 | 73.16 | 65.93 | 46.63 | 34.63 | 20.16 | 51.06 | |||||||||||||
YRS | 83 | 82 | 84 | 83 | 85 | 85 | 80 | 82 | 84 | 83 | 83 | 79 | 69 |