YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1895 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 79.20 | 84.35 | 87.29 | 72.60 | 78.47 | l | ----- | z | 44.09 | i | 80.86 | h | ||||
1896 | 48.43 | a | 55.86 | 56.00 | 57.40 | 64.29 | 80.70 | 90.97 | 85.74 | 76.43 | 69.48 | 47.56 | c | 53.06 | 65.49 | |||||||||||
1897 | 43.37 | a | 46.64 | 46.20 | a | 68.30 | 78.70 | k | 74.87 | 82.37 | a | 89.65 | 73.77 | 67.74 | 50.93 | b | 45.19 | 62.64 | a | |||||||
1898 | 39.17 | a | 54.37 | a | 53.07 | a | 67.93 | 70.00 | 78.07 | 88.00 | 89.48 | 79.73 | 64.61 | 49.66 | a | 40.21 | b | 64.52 | ||||||||
1899 | 45.27 | a | 42.58 | b | 50.35 | 61.17 | 63.52 | 75.57 | 87.42 | 76.35 | 82.17 | 61.84 | 59.90 | 46.60 | a | 62.73 | ||||||||||
1900 | 48.58 | 47.68 | 63.65 | 60.97 | 73.00 | 80.33 | 86.19 | 79.19 | 72.40 | 63.13 | 54.50 | 50.29 | 64.99 | |||||||||||||
1901 | 41.04 | c | 47.00 | 57.68 | 61.57 | 73.23 | a | 71.28 | a | 85.61 | 89.65 | 71.35 | d | 73.21 | c | 60.67 | f | 48.32 | c | 65.45 | a | |||||
1902 | 44.52 | 50.17 | d | 51.47 | a | 61.17 | 66.87 | 74.86 | a | 80.23 | 83.06 | 77.47 | 69.00 | 51.20 | 46.43 | a | 63.04 | |||||||||
1903 | 43.58 | 43.54 | 53.42 | 61.27 | 70.68 | 79.30 | 80.27 | a | 82.68 | 73.52 | a | 68.48 | 54.37 | 44.84 | 62.99 | |||||||||||
1904 | 45.26 | 47.69 | 49.97 | a | 67.07 | 70.97 | 77.47 | 81.55 | 87.03 | 77.63 | 65.68 | 60.70 | 46.13 | 64.76 | ||||||||||||
1905 | 43.23 | 46.61 | 60.81 | 66.40 | 66.06 | 73.39 | b | 88.29 | 86.90 | a | 77.47 | 60.52 | 53.40 | 45.16 | 64.02 | |||||||||||
1906 | 46.52 | 50.32 | 51.94 | 69.27 | 68.42 | 77.30 | 97.06 | 91.35 | 82.67 | 70.65 | 49.90 | a | 47.03 | 66.87 | ||||||||||||
1907 | 38.65 | 56.61 | 55.68 | 67.93 | 78.43 | a | 77.90 | 90.13 | 84.60 | a | 80.89 | k | 73.79 | l | 54.93 | c | 48.43 | c | 65.33 | b | ||||||
1908 | 47.32 | 51.18 | a | 57.35 | 71.45 | a | 69.06 | 80.97 | 97.52 | 91.17 | a | 81.20 | 62.17 | h | 57.50 | 42.47 | a | 67.93 | a | |||||||
1909 | 40.26 | 49.96 | 59.84 | 67.90 | 74.42 | 85.13 | 89.74 | 91.81 | 80.00 | 67.97 | 54.07 | 37.13 | 66.52 | |||||||||||||
1910 | 41.16 | 44.89 | 66.58 | 75.31 | a | 78.43 | a | 81.19 | d | 91.94 | 86.00 | 77.20 | 68.65 | 52.00 | 45.52 | 67.41 | ||||||||||
1911 | 44.15 | d | 41.12 | b | 65.71 | 68.33 | 64.97 | a | 78.29 | b | 88.61 | 85.71 | 71.70 | 63.61 | c | 53.70 | 43.77 | 64.14 | ||||||||
1912 | 43.90 | 48.83 | 52.10 | 59.63 | 69.03 | b | 77.63 | 80.16 | 78.30 | a | 72.33 | 60.58 | 55.47 | 43.45 | 61.79 | |||||||||||
1913 | 40.71 | 43.79 | 51.84 | 63.23 | 71.10 | 75.41 | a | 82.81 | 84.26 | 77.37 | 60.19 | 52.83 | 44.10 | 62.30 | ||||||||||||
1914 | 48.26 | 46.50 | 61.45 | 64.17 | 75.19 | 74.40 | 88.45 | 87.74 | 74.57 | 66.10 | 58.87 | 38.00 | 65.31 | |||||||||||||
1915 | 43.26 | 51.82 | 60.48 | 69.03 | 67.65 | 76.43 | 83.00 | 91.65 | 73.90 | 69.32 | 51.10 | 45.81 | 65.29 | |||||||||||||
1916 | 32.55 | 49.41 | 59.58 | 65.00 | 64.84 | 75.97 | a | 81.03 | a | 85.23 | 77.07 | 62.35 | 50.53 | 40.27 | a | 61.99 | ||||||||||
1917 | 37.52 | b | 44.25 | 45.87 | a | 54.13 | 55.87 | 76.24 | a | 91.35 | 89.00 | a | 79.61 | b | 68.93 | a | 59.57 | 52.94 | 62.94 | |||||||
1918 | 46.29 | 47.75 | 59.42 | 65.43 | 69.10 | 89.40 | 89.81 | 83.65 | 81.57 | 69.00 | 52.57 | 45.45 | 66.62 | |||||||||||||
1919 | 48.81 | 44.82 | 55.65 | 67.24 | a | 73.47 | a | 81.70 | 92.26 | 90.00 | 77.00 | 61.10 | 50.97 | 36.90 | 64.99 | |||||||||||
1920 | 45.53 | a | 51.76 | 53.65 | 57.53 | 69.94 | 76.67 | 90.06 | 87.84 | 76.67 | 61.71 | 51.33 | 45.42 | 64.01 | ||||||||||||
1921 | 44.65 | 49.93 | a | 58.10 | 61.07 | 68.81 | 80.37 | 88.97 | a | 87.90 | 73.68 | b | 71.30 | d | 57.30 | 43.45 | 65.46 | |||||||||
1922 | 34.50 | a | 40.56 | a | 50.77 | 58.07 | 71.65 | 85.17 | 91.52 | 87.23 | a | 84.23 | 68.29 | 46.63 | 40.27 | a | 63.24 | |||||||||
1923 | 45.29 | 46.21 | 56.58 | 63.17 | 69.45 | 74.10 | 89.16 | 88.61 | 81.72 | a | 63.39 | c | 55.93 | 44.90 | 64.88 | |||||||||||
1924 | 41.43 | a | 54.28 | 51.26 | 65.87 | 81.87 | 85.50 | n | 90.90 | a | 86.77 | 81.83 | 66.81 | 53.27 | 35.94 | 64.57 | a | |||||||||
1925 | 46.84 | 53.54 | 59.26 | 65.27 | 70.77 | 76.33 | 93.94 | 89.03 | 76.90 | 67.52 | 53.83 | 49.94 | 66.93 | |||||||||||||
1926 | 43.84 | 55.50 | 63.60 | a | 72.43 | 71.35 | 86.70 | 92.29 | 87.35 | 70.53 | 60.32 | 52.67 | 39.31 | b | 66.33 | |||||||||||
1927 | 40.60 | a | 46.50 | 47.28 | b | 54.60 | 57.42 | 69.40 | 88.70 | d | 87.10 | 70.20 | 64.19 | 53.63 | 39.20 | a | 59.90 | |||||||||
1928 | 44.35 | 48.90 | 58.94 | 60.23 | 79.26 | 76.62 | a | 90.94 | 87.35 | 80.27 | 65.37 | a | 50.57 | b | 43.59 | b | 65.53 | |||||||||
1929 | 36.80 | a | 36.54 | 55.97 | 57.86 | a | 72.47 | a | 77.77 | 91.42 | 93.97 | 72.80 | 65.16 | 46.63 | 46.00 | 62.78 | ||||||||||
1930 | 25.39 | 51.36 | 53.74 | 62.47 | 61.86 | b | 78.90 | 91.19 | 88.45 | b | 75.07 | 63.53 | a | 51.45 | a | 42.44 | d | 62.15 | ||||||||
1931 | 47.52 | 47.64 | 55.23 | 66.23 | 77.36 | c | 78.77 | 93.77 | a | 92.10 | 75.97 | 66.84 | 49.07 | 43.55 | 66.17 | |||||||||||
1932 | 40.35 | 40.68 | d | 53.20 | a | 65.52 | a | 70.77 | 82.59 | a | 87.59 | b | 85.42 | 83.87 | 70.67 | d | 57.41 | a | 41.68 | 64.98 | ||||||
1933 | 45.35 | e | 40.52 | a | 55.65 | 65.27 | d | 65.79 | b | 81.73 | 92.06 | 90.71 | 78.54 | b | 75.27 | a | 57.30 | 52.37 | a | 66.71 | ||||||
1934 | 52.97 | 56.96 | 68.45 | 75.53 | 78.13 | 78.53 | 90.29 | 91.68 | 79.67 | 69.32 | 56.60 | 44.39 | 70.21 | |||||||||||||
1935 | 46.45 | 51.04 | 51.78 | d | 60.90 | a | 72.45 | 80.57 | 88.10 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.47 | e | ||||
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | 66.40 | 72.90 | 82.43 | 91.52 | 86.10 | 86.75 | f | 68.41 | d | 50.45 | a | 42.79 | c | 70.12 | d | |||||
1939 | 47.13 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.13 | k | |
1940 | 54.17 | y | 49.72 | 59.29 | 63.73 | 77.00 | 85.30 | 87.68 | 88.97 | b | 75.57 | 67.87 | 47.34 | a | 47.23 | 68.15 | a | |||||||||
1941 | 49.52 | 52.93 | 61.77 | a | 63.33 | 69.00 | 75.33 | 87.58 | 81.42 | 69.45 | j | 63.97 | 56.43 | 47.55 | 64.44 | a | ||||||||||
1942 | 39.76 | b | 44.33 | a | 55.45 | 64.93 | 66.71 | 75.27 | 88.90 | 88.68 | 81.90 | 72.61 | 53.17 | 45.77 | 64.79 | |||||||||||
1943 | 39.29 | 54.57 | 54.48 | 66.07 | 66.06 | 71.93 | 87.97 | 85.35 | 87.17 | 66.87 | 54.80 | 40.90 | 64.62 | |||||||||||||
1944 | 45.23 | 45.17 | 53.86 | i | 62.57 | 72.20 | a | 74.60 | 86.19 | 86.21 | b | 81.20 | 74.81 | 50.47 | 39.80 | a | 65.31 | a | ||||||||
1945 | 45.28 | b | 50.18 | 51.50 | a | 60.77 | 70.52 | 77.43 | 92.65 | 89.16 | 80.50 | 70.19 | 51.37 | 41.19 | 65.06 | |||||||||||
1946 | 44.84 | 47.96 | 55.13 | 67.00 | 69.58 | 76.87 | 89.45 | 89.19 | 75.70 | 56.65 | 49.03 | 46.87 | 64.02 | |||||||||||||
1947 | 41.23 | 52.18 | ----- | z | 66.00 | 79.45 | 74.60 | 89.32 | 85.13 | 80.10 | 65.29 | 47.50 | 45.10 | 65.99 | a | |||||||||||
1948 | 44.94 | 43.96 | b | 50.65 | 58.13 | 67.35 | 79.33 | 84.00 | 82.84 | 76.33 | 66.13 | a | 48.93 | 38.65 | 61.77 | |||||||||||
1949 | 28.13 | 46.71 | 54.35 | 71.00 | 75.97 | 81.83 | a | 89.45 | 90.42 | 81.30 | 64.06 | 60.40 | 43.65 | 65.61 | ||||||||||||
1950 | 37.23 | a | 50.32 | 51.19 | 62.33 | 70.94 | 77.63 | 89.77 | 89.84 | 79.50 | 66.23 | a | 53.67 | 52.13 | 65.07 | |||||||||||
1951 | 42.23 | 49.61 | 52.55 | ----- | z | ----- | z | ----- | z | 93.16 | f | 87.65 | 83.34 | a | 63.94 | 51.93 | a | 39.74 | 58.87 | d | ||||||
1952 | 42.35 | 48.14 | 51.76 | f | 70.67 | 74.10 | a | 76.97 | 90.84 | 88.74 | 84.24 | a | 76.19 | 48.63 | 44.39 | 67.75 | a | |||||||||
1953 | 52.35 | 48.39 | 56.32 | 61.93 | 66.97 | 72.10 | 90.32 | 85.23 | a | 85.69 | a | 67.74 | 57.57 | 46.26 | 65.91 | |||||||||||
1954 | 46.52 | 56.64 | f | 54.81 | 64.67 | 76.94 | 74.23 | 91.35 | 82.13 | 76.57 | 66.39 | 57.13 | 44.68 | 66.86 | a | |||||||||||
1955 | 41.32 | 47.43 | 52.39 | 55.23 | 68.17 | a | 82.07 | 85.74 | 90.58 | 77.73 | 69.32 | i | 47.57 | b | 44.81 | 63.00 | a | |||||||||
1956 | 43.68 | 40.62 | 57.00 | 67.53 | 73.55 | 77.33 | 91.00 | 86.74 | 82.41 | a | 63.94 | 51.27 | d | 48.71 | 65.32 | |||||||||||
1957 | 32.55 | 47.93 | 55.04 | e | 64.07 | 70.80 | a | 80.96 | b | 87.64 | c | 83.96 | c | 82.28 | a | 60.03 | 49.96 | b | 48.23 | 63.62 | ||||||
1958 | 46.39 | 55.48 | a | 52.26 | 61.41 | a | 77.67 | a | 80.26 | c | 89.23 | a | 91.03 | a | 77.13 | 73.55 | 54.83 | 50.28 | b | 67.46 | ||||||
1959 | 47.45 | 47.25 | 56.16 | 67.23 | 66.83 | a | 80.61 | b | 90.48 | 84.23 | 73.18 | b | 67.77 | 54.27 | 46.65 | 65.18 | ||||||||||
1960 | 38.39 | 47.00 | 58.39 | 65.10 | 68.83 | a | 83.40 | 94.06 | 84.58 | 83.07 | 68.55 | 52.23 | 44.29 | 65.66 | ||||||||||||
1961 | 48.84 | 53.82 | 56.31 | b | 64.48 | a | 70.65 | 87.60 | 92.39 | 92.81 | 74.00 | 66.42 | 51.03 | a | 43.74 | 66.84 | ||||||||||
1962 | 41.16 | 48.36 | 53.68 | 70.27 | 66.29 | 79.83 | 87.77 | 85.57 | a | 82.73 | 65.87 | 53.73 | 47.87 | 65.26 | ||||||||||||
1963 | 38.23 | 56.71 | 57.16 | 58.73 | 74.26 | 78.50 | 85.06 | 87.97 | 84.50 | 69.26 | 55.27 | 45.23 | 65.91 | |||||||||||||
1964 | 45.87 | 51.62 | 54.23 | 63.03 | 72.13 | 77.63 | 89.00 | 86.17 | a | 77.93 | 71.42 | 50.33 | 45.20 | a | 65.38 | |||||||||||
1965 | 43.39 | 52.29 | 58.42 | 66.20 | 70.90 | 80.30 | 89.03 | 84.74 | 74.70 | 73.52 | 56.45 | a | 44.87 | 66.23 | ||||||||||||
1966 | 44.94 | 47.29 | 60.58 | 67.73 | 77.81 | 77.77 | 86.97 | 88.35 | 80.90 | 68.13 | 54.47 | 46.48 | 66.78 | |||||||||||||
1967 | 48.90 | 54.50 | 54.65 | 57.27 | 73.68 | 82.73 | 91.61 | 93.42 | 85.00 | 67.90 | 54.27 | 41.70 | a | 67.14 | ||||||||||||
1968 | 46.42 | 54.97 | 62.71 | 63.63 | 74.16 | 82.10 | 92.84 | 81.90 | 80.27 | 66.97 | 52.00 | 44.23 | 66.85 | |||||||||||||
1969 | 40.81 | 45.50 | 57.42 | 65.93 | a | 78.13 | a | 80.40 | 87.00 | 87.39 | 79.60 | 60.87 | 55.70 | 45.39 | 65.34 | |||||||||||
1970 | 46.52 | 53.79 | 54.71 | 58.33 | 73.93 | a | 82.50 | 90.84 | 90.84 | 74.31 | a | 65.16 | 53.03 | 43.61 | 65.63 | |||||||||||
1971 | 45.42 | 51.25 | 54.03 | 63.67 | 72.94 | 76.20 | 88.55 | 90.68 | 73.07 | 60.87 | 51.03 | 40.45 | 64.01 | |||||||||||||
1972 | 41.55 | 52.10 | 60.48 | 62.30 | 76.58 | 82.93 | 89.77 | 89.55 | 74.73 | 65.68 | 50.87 | 37.77 | 65.36 | |||||||||||||
1973 | ----- | z | 53.29 | 57.26 | 64.87 | 76.84 | 83.03 | 92.97 | 88.71 | 79.07 | 66.52 | ----- | z | ----- | z | 73.62 | c | |||||||||
1974 | 40.39 | 51.29 | 56.50 | a | ----- | z | 69.65 | 88.83 | 89.94 | 91.23 | 87.10 | 69.74 | 54.13 | 44.39 | 67.56 | a | ||||||||||
1975 | 45.65 | 48.64 | 53.13 | 57.13 | 72.16 | 78.77 | 90.32 | 83.06 | 83.43 | ----- | z | ----- | z | 46.61 | 65.89 | b | ||||||||||
1976 | 47.13 | 50.38 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.20 | 67.35 | ----- | z | 45.90 | 58.19 | g | |||||
1977 | 38.16 | 56.29 | 54.48 | 72.63 | 65.03 | 84.70 | 87.10 | 89.19 | 73.70 | ----- | z | ----- | z | ----- | z | 69.03 | c | |||||||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.67 | ----- | z | ----- | z | ----- | z | 74.67 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.15 | 49.06 | 55.86 | 64.21 | 71.11 | 78.98 | 88.93 | 87.29 | 78.28 | 66.69 | 53.03 | 44.51 | 64.96 | |||||||||||||
S.D. | 4.86 | 4.44 | 4.42 | 4.58 | 4.93 | 4.00 | 3.56 | 3.44 | 4.17 | 3.97 | 3.37 | 3.72 | 1.77 | |||||||||||||
SKEW | -1.11 | -0.32 | 0.40 | 0.07 | -0.40 | 0.31 | -0.56 | -0.65 | 0.08 | 0.05 | 0.23 | -0.03 | -0.24 | |||||||||||||
MAX | 52.97 | 56.96 | 68.45 | 75.53 | 81.87 | 89.40 | 97.52 | 93.97 | 87.17 | 76.19 | 60.70 | 53.06 | 70.21 | |||||||||||||
MIN | 25.39 | 36.54 | 45.87 | 54.13 | 55.87 | 69.40 | 80.16 | 76.35 | 70.20 | 56.65 | 46.63 | 35.94 | 59.90 | |||||||||||||
YRS | 77 | 77 | 74 | 76 | 76 | 77 | 78 | 78 | 77 | 73 | 73 | 76 | 59 |