YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.97 | 53.31 | d | 46.11 | c | 53.13 | i | |
1908 | 45.16 | 46.72 | 52.71 | 61.17 | 64.06 | 74.27 | 83.52 | 80.23 | e | 72.80 | 61.13 | 56.35 | g | 45.00 | g | 64.18 | b | |||||||||
1909 | 37.60 | p | 47.11 | a | 53.94 | 59.80 | 64.74 | 74.40 | 75.17 | a | 76.33 | a | 75.04 | b | 60.60 | a | 50.37 | 41.45 | 61.72 | a | ||||||
1910 | 42.84 | 43.36 | 57.78 | d | 60.83 | 71.07 | a | 70.33 | 77.96 | c | 74.97 | 69.86 | a | 58.83 | a | 50.72 | a | 46.90 | a | 60.45 | ||||||
1911 | 41.81 | 45.82 | 57.00 | 60.07 | 64.32 | 70.90 | a | 80.63 | a | 77.74 | 67.90 | a | 61.26 | 49.57 | 45.87 | 60.24 | ||||||||||
1912 | 46.26 | 49.24 | 54.81 | 59.07 | 69.90 | a | 73.34 | a | 77.52 | 75.68 | 71.80 | 58.52 | 50.93 | 45.73 | a | 61.07 | ||||||||||
1913 | 41.00 | 46.82 | 50.45 | 60.07 | 65.26 | 73.63 | 79.10 | 81.81 | 73.03 | 58.32 | 50.00 | 46.77 | 60.52 | |||||||||||||
1914 | 46.03 | a | 48.19 | a | 55.94 | 63.43 | 72.19 | 73.10 | 82.23 | 79.61 | 67.33 | 63.26 | 51.77 | 44.52 | 62.30 | |||||||||||
1915 | 45.13 | 50.61 | 59.58 | 65.60 | 67.06 | 74.00 | 77.71 | 83.00 | a | 72.10 | 62.42 | 49.33 | 45.71 | 62.69 | ||||||||||||
1916 | 36.65 | 47.93 | 51.48 | 60.17 | 64.94 | 73.63 | 74.39 | 79.48 | 73.33 | 59.45 | 49.40 | 41.71 | 59.38 | |||||||||||||
1917 | 42.23 | 44.18 | 50.00 | a | 55.07 | 64.16 | 71.57 | 81.19 | 83.52 | 69.60 | 61.68 | 54.97 | 48.71 | 60.57 | ||||||||||||
1918 | 48.77 | 45.68 | 52.81 | 63.53 | 66.77 | 79.20 | 80.23 | 79.90 | 78.23 | 61.68 | 52.17 | 46.03 | 62.92 | |||||||||||||
1919 | 46.23 | 47.21 | 54.29 | 63.00 | 68.19 | 72.97 | 82.58 | 80.29 | 73.80 | 57.35 | 49.70 | 43.94 | 61.63 | |||||||||||||
1920 | 45.19 | 49.66 | 54.23 | 59.10 | 65.71 | 72.67 | 79.35 | 81.87 | 68.10 | 56.07 | b | 53.23 | 45.90 | 60.92 | ||||||||||||
1921 | 44.19 | 48.82 | 54.00 | 59.40 | 67.10 | 71.70 | 75.97 | 76.58 | 67.83 | 61.77 | 50.28 | a | 44.13 | 60.15 | ||||||||||||
1922 | 41.26 | 45.79 | 49.03 | 57.41 | a | 67.26 | 76.34 | a | 78.90 | 76.23 | 70.37 | 60.48 | 49.97 | 42.42 | 59.62 | |||||||||||
1923 | 45.13 | 45.35 | b | 54.63 | a | 63.13 | 65.61 | 73.90 | 80.03 | 82.29 | 73.97 | 63.45 | 52.30 | 46.03 | a | 62.15 | ||||||||||
1924 | 45.17 | a | 50.62 | 55.19 | 61.30 | 72.87 | 76.63 | 79.16 | 76.45 | 72.13 | 59.57 | a | 49.40 | 43.35 | 61.82 | |||||||||||
1925 | 46.06 | 50.75 | 54.94 | 61.67 | 71.90 | 73.90 | 81.84 | 77.06 | 72.60 | 60.57 | a | 50.83 | 49.55 | 62.64 | ||||||||||||
1926 | 46.65 | 52.11 | 61.37 | a | 69.63 | 67.16 | 77.70 | 82.71 | 78.00 | b | 70.00 | 62.68 | 53.73 | 45.32 | 63.92 | |||||||||||
1927 | 44.39 | 50.14 | 52.68 | 60.10 | 62.79 | c | 74.33 | 78.00 | d | 79.84 | 68.87 | 61.03 | 50.27 | 42.68 | 60.43 | |||||||||||
1928 | 45.29 | 49.07 | 55.39 | 57.30 | 71.83 | a | ----- | z | 78.71 | 77.94 | 69.53 | 58.17 | a | 52.14 | a | 45.61 | 60.09 | a | ||||||||
1929 | 40.35 | 42.86 | 53.77 | 56.57 | 66.94 | 70.37 | 79.03 | 79.45 | 74.47 | 63.16 | 53.10 | t | 47.19 | 61.29 | a | |||||||||||
1930 | 37.94 | 49.32 | 55.04 | d | 62.34 | a | 65.50 | a | 69.32 | b | 76.67 | a | 79.66 | b | 70.43 | b | 58.16 | 49.42 | d | 46.45 | 60.02 | |||||
1931 | 48.26 | 50.36 | 53.97 | 62.13 | 71.70 | a | 70.47 | 78.90 | 78.32 | 68.79 | a | 59.43 | a | 48.07 | 43.94 | 61.19 | ||||||||||
1932 | 42.71 | 46.34 | 52.03 | 59.67 | 65.55 | 75.50 | 72.48 | 75.16 | 72.77 | 62.23 | 52.80 | 43.77 | 60.08 | |||||||||||||
1933 | 42.06 | 43.54 | b | 50.90 | 60.30 | 61.29 | 70.33 | 76.10 | 79.39 | 66.23 | 60.52 | 50.30 | 48.45 | 59.12 | ||||||||||||
1934 | 48.83 | a | 53.46 | 59.71 | 67.07 | 68.06 | 74.23 | 74.68 | 78.03 | 68.10 | 62.52 | 52.37 | 46.84 | 62.83 | ||||||||||||
1935 | 43.74 | 49.50 | 48.71 | 59.87 | 69.00 | 73.03 | 77.68 | 77.45 | 73.50 | 57.60 | a | 48.50 | 47.60 | a | 60.52 | |||||||||||
1936 | 47.55 | 41.21 | 51.23 | 62.97 | 68.74 | 72.50 | 76.55 | 80.16 | 70.20 | 62.39 | 51.13 | 47.10 | 60.98 | |||||||||||||
1937 | 36.55 | 45.82 | 55.29 | 55.83 | 66.35 | 72.77 | 77.06 | 75.55 | 69.87 | 62.52 | 51.50 | 47.48 | 59.72 | |||||||||||||
1938 | 46.06 | 48.96 | 52.13 | 62.40 | 69.71 | 74.97 | 80.39 | 75.84 | 75.03 | 60.32 | 50.37 | 47.10 | 61.94 | |||||||||||||
1939 | 46.42 | 45.29 | 53.48 | 64.20 | 69.10 | 69.67 | 77.65 | 79.26 | 71.40 | 61.00 | 54.27 | 50.16 | 61.82 | |||||||||||||
1940 | 48.23 | 50.10 | 57.26 | 62.73 | 71.87 | 77.34 | a | 77.84 | 79.06 | 74.10 | 62.71 | 48.23 | 48.97 | 63.20 | ||||||||||||
1941 | 48.42 | 53.04 | 62.52 | 65.67 | 66.61 | 71.57 | 82.33 | a | 76.87 | 67.53 | 60.10 | 54.41 | a | 47.61 | 63.06 | |||||||||||
1942 | 45.63 | a | 49.18 | 54.55 | 62.73 | 66.03 | 70.37 | 77.52 | 79.71 | 73.30 | 63.30 | a | 49.17 | 46.65 | 61.51 | |||||||||||
1943 | 40.58 | 49.52 | a | 52.48 | 61.87 | 64.90 | 69.40 | 76.17 | b | 74.48 | 74.17 | 60.32 | 52.07 | 47.00 | 60.25 | |||||||||||
1944 | 47.10 | 48.54 | a | 53.41 | b | 59.53 | 66.42 | 70.83 | 76.87 | 76.16 | 73.20 | 62.97 | 50.97 | 44.97 | a | 60.91 | ||||||||||
1945 | 47.52 | 48.43 | 51.58 | 56.67 | 67.83 | a | 71.40 | 79.35 | e | 78.00 | c | 68.43 | b | 60.83 | a | 49.67 | 46.45 | 60.51 | ||||||||
1946 | 45.90 | 47.81 | b | 52.23 | a | 58.40 | 71.17 | b | 69.17 | 76.23 | 77.43 | a | 70.27 | 56.81 | 48.59 | a | 45.90 | b | 59.99 | |||||||
1947 | 42.54 | c | 51.50 | 58.29 | 63.31 | a | 71.13 | 71.21 | a | 76.42 | 75.94 | 71.93 | ----- | z | ----- | z | ----- | z | 64.70 | c | ||||||
1948 | 45.71 | 46.10 | 52.32 | 54.93 | a | 63.03 | a | 73.67 | 74.68 | 70.43 | a | 68.23 | 59.32 | 49.33 | 41.68 | 58.29 | ||||||||||
1949 | 37.16 | 43.89 | 53.87 | 61.20 | 70.26 | 72.07 | 76.68 | 76.97 | 74.26 | c | 57.68 | 54.63 | 45.26 | 60.33 | ||||||||||||
1950 | 32.87 | 46.32 | 49.61 | 56.87 | 65.16 | 73.30 | 77.68 | 78.87 | 71.93 | 56.97 | 50.50 | 49.74 | 59.15 | |||||||||||||
1951 | 43.84 | 48.00 | 49.16 | 65.87 | 69.29 | 75.63 | 79.13 | 77.32 | 72.40 | 59.42 | 51.40 | 42.81 | 61.19 | |||||||||||||
1952 | 41.77 | 47.48 | 50.74 | 61.13 | 67.48 | 68.07 | 77.03 | 74.88 | f | 73.93 | 65.10 | 49.50 | 46.81 | 59.00 | a | |||||||||||
1953 | 49.32 | 48.71 | 52.06 | 58.03 | 64.90 | 66.87 | 76.13 | 75.65 | 70.87 | 61.32 | 52.30 | 48.06 | 60.35 | |||||||||||||
1954 | 42.28 | b | 49.21 | 52.13 | 56.60 | 67.03 | 66.43 | 71.17 | a | 70.55 | 68.50 | 58.71 | 54.13 | 46.29 | 58.59 | |||||||||||
1955 | 44.79 | b | 46.64 | 49.03 | 55.07 | 63.32 | 69.83 | a | 71.37 | a | 76.07 | b | 68.75 | b | 58.32 | 44.48 | a | 44.77 | 57.70 | |||||||
1956 | 44.81 | 42.18 | a | 49.77 | 63.17 | a | 71.45 | 66.80 | 78.06 | 77.48 | 69.48 | a | 57.87 | 49.43 | 46.70 | a | 59.77 | |||||||||
1957 | 39.90 | 47.04 | a | 53.00 | 61.73 | 69.48 | 71.17 | 73.94 | 73.68 | 75.41 | a | 59.81 | 50.73 | 49.16 | 60.42 | |||||||||||
1958 | 48.10 | 53.04 | a | 53.58 | 60.23 | 73.07 | b | 75.53 | 83.71 | 81.58 | 71.03 | 62.23 | 50.23 | 50.19 | 63.54 | |||||||||||
1959 | 45.87 | a | 46.85 | a | 52.43 | a | 59.30 | 65.52 | 70.67 | 79.37 | a | 75.57 | a | 67.41 | a | 59.73 | a | 51.63 | c | 46.17 | a | 60.04 | ||||
1960 | 43.23 | 48.21 | 52.37 | a | 59.40 | 63.13 | 71.10 | 81.76 | b | 72.94 | 69.17 | a | 60.00 | b | 50.73 | 45.77 | 59.82 | |||||||||
1961 | 49.26 | 49.57 | 53.23 | 56.87 | 66.23 | 75.47 | 79.06 | 82.39 | c | 69.28 | a | 58.84 | 49.57 | b | 44.77 | a | 61.21 | |||||||||
1962 | 43.84 | 49.48 | a | 50.90 | 61.48 | a | 61.07 | a | 71.04 | b | 76.07 | a | 73.57 | a | 70.72 | a | 59.10 | 51.62 | a | 48.39 | 59.77 | |||||
1963 | 42.65 | 54.89 | 52.19 | 58.27 | 67.94 | 68.67 | 71.81 | 74.94 | 74.55 | a | 61.20 | a | 50.50 | 46.65 | 60.35 | |||||||||||
1964 | 46.29 | 49.24 | 52.74 | 57.63 | 65.61 | 68.60 | 73.16 | 72.48 | 68.40 | 60.10 | a | 47.17 | a | 41.50 | a | 58.58 | ||||||||||
1965 | 44.61 | 48.11 | a | 56.00 | 60.47 | 64.06 | 73.40 | 78.74 | 77.03 | 68.60 | 62.13 | 53.27 | 44.93 | a | 60.95 | |||||||||||
1966 | 44.77 | 48.82 | 54.81 | ----- | z | 68.35 | 69.03 | 73.61 | 77.39 | 72.03 | 59.81 | 51.87 | 48.27 | a | 60.80 | a | ||||||||||
1967 | 46.81 | 50.39 | 49.61 | 57.63 | 67.32 | 76.20 | 78.42 | 84.90 | 76.87 | 60.06 | 52.62 | a | 47.06 | 62.33 | ||||||||||||
1968 | 47.68 | 54.93 | 57.17 | a | 59.52 | a | 67.84 | 70.83 | 80.93 | a | 74.39 | 69.10 | 58.32 | 52.77 | 43.53 | a | 61.42 | |||||||||
1969 | 38.30 | a | 46.86 | 56.71 | c | 59.43 | 71.65 | 76.20 | 76.83 | a | 74.65 | 70.90 | a | 59.77 | a | 53.90 | 49.77 | 61.25 | ||||||||
1970 | 47.32 | 53.48 | a | 56.06 | 57.66 | a | 66.94 | 76.69 | a | 78.97 | 77.97 | a | 67.83 | 60.68 | 52.80 | 44.34 | b | 61.73 | ||||||||
1971 | 46.07 | a | ----- | z | ----- | z | 59.67 | 67.03 | 66.27 | 77.45 | 80.23 | 69.33 | 58.52 | 50.13 | 41.94 | 61.66 | b | |||||||||
1972 | 41.65 | 47.21 | 53.23 | a | 54.17 | 69.26 | 70.63 | 76.97 | 78.16 | 67.17 | 58.90 | 50.87 | 41.45 | 59.14 | ||||||||||||
1973 | 43.32 | 50.14 | 52.71 | 60.17 | 68.35 | 70.30 | 76.87 | 72.29 | 71.03 | 58.27 | a | 46.53 | 46.58 | 59.71 | ||||||||||||
1974 | 43.48 | 47.15 | b | 51.23 | 57.70 | 62.45 | 72.07 | 73.16 | 76.39 | 75.47 | 61.13 | 50.70 | 46.00 | 59.74 | ||||||||||||
1975 | 43.29 | 45.96 | 50.87 | 55.30 | 65.87 | 68.93 | 76.10 | a | 70.71 | 71.33 | 56.35 | 49.43 | 45.13 | 58.27 | ||||||||||||
1976 | 45.68 | 47.21 | 48.23 | 58.60 | 64.58 | 68.27 | 73.39 | 69.52 | 69.50 | 60.47 | a | 50.62 | a | 46.43 | a | 58.54 | ||||||||||
1977 | 41.71 | 51.11 | 50.40 | a | 61.23 | 62.32 | 71.33 | 72.81 | 78.13 | 64.87 | 57.77 | a | 47.53 | 45.39 | 58.72 | |||||||||||
1978 | 46.03 | 49.50 | 55.13 | 56.31 | a | 63.26 | 72.77 | 74.39 | 72.55 | 63.23 | 60.29 | 45.00 | 41.06 | 58.29 | ||||||||||||
1979 | 40.68 | 45.32 | 56.52 | 57.87 | 66.13 | 71.53 | 75.65 | 72.68 | 69.80 | 59.03 | a | 47.87 | 47.71 | 59.23 | ||||||||||||
1980 | 40.10 | a | 47.97 | 51.16 | 60.70 | 64.55 | 64.90 | 73.74 | 70.84 | 67.37 | 60.84 | 50.57 | 47.84 | 58.38 | ||||||||||||
1981 | 46.65 | 48.86 | 55.19 | 56.86 | a | 62.19 | 65.13 | 71.81 | 78.06 | 68.37 | 55.90 | 51.13 | 45.13 | 58.77 | ||||||||||||
1982 | 43.21 | b | 46.43 | 50.60 | a | 55.75 | b | 64.69 | b | 73.08 | e | 71.60 | f | 73.32 | f | 68.25 | b | 57.26 | d | 47.27 | 44.41 | b | 55.09 | b | ||
1983 | 46.90 | a | 50.14 | 53.55 | 59.81 | c | 66.70 | d | 65.64 | e | 69.62 | g | 72.77 | e | 65.60 | e | 57.06 | 49.67 | 40.00 | 57.08 | a | |||||
1984 | 47.39 | 48.62 | 54.42 | 58.30 | 63.86 | b | 70.59 | a | 77.55 | 76.83 | a | 70.43 | 58.07 | a | 50.45 | a | 43.40 | a | 59.99 | |||||||
1985 | 43.93 | b | 47.50 | 52.97 | 59.63 | 66.06 | 71.53 | 81.87 | a | 77.61 | c | 68.30 | 60.25 | c | 43.40 | 43.47 | a | 59.71 | ||||||||
1986 | 49.00 | a | 49.78 | a | 58.40 | a | 56.73 | 65.74 | 74.33 | 71.70 | a | 81.50 | a | 68.37 | 62.57 | a | 49.83 | a | 48.10 | a | 61.34 | |||||
1987 | 45.41 | b | 51.70 | a | 56.40 | a | 62.67 | 67.42 | 73.83 | 73.55 | 78.68 | 73.38 | a | 66.65 | 54.41 | a | 45.74 | 62.49 | ||||||||
1988 | 44.80 | a | 51.72 | 55.45 | 58.97 | 66.00 | a | 69.57 | 75.77 | 75.65 | 70.83 | a | 61.52 | 50.93 | a | 46.83 | a | 60.67 | ||||||||
1989 | 46.13 | 44.78 | a | 49.45 | 63.03 | 66.50 | a | 72.13 | 72.94 | 74.50 | a | 74.76 | a | 61.19 | 52.37 | 48.06 | 60.49 | |||||||||
1990 | 47.84 | 46.46 | 56.61 | 61.17 | 64.19 | 69.37 | 80.03 | b | 77.65 | 73.48 | a | 58.77 | 51.67 | 40.68 | 60.66 | |||||||||||
1991 | 46.37 | a | 54.04 | a | 52.40 | a | 58.48 | c | 63.90 | 67.66 | a | 77.90 | b | 76.40 | a | 73.34 | a | 61.53 | a | 52.23 | 48.23 | 61.04 | ||||
1992 | 49.30 | a | 51.97 | 59.90 | 61.90 | 72.87 | a | 74.86 | a | 75.83 | a | 77.90 | 71.37 | 61.47 | a | 51.90 | a | 44.19 | 62.79 | |||||||
1993 | 43.65 | 50.22 | a | 57.07 | a | 58.59 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.38 | h | |
1994 | ----- | z | 44.50 | 55.77 | 59.50 | 65.84 | 68.10 | 76.58 | 77.16 | 73.13 | 60.48 | 47.67 | 45.94 | 61.33 | a | |||||||||||
1995 | 50.06 | 50.81 | a | ----- | z | ----- | z | 67.10 | 70.90 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.72 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 44.48 | 48.37 | 53.70 | 60.01 | 66.89 | 71.79 | 77.28 | 77.12 | 70.82 | 60.18 | 50.64 | 45.75 | 60.61 | |||||||||||||
S.D. | 3.28 | 2.81 | 2.97 | 2.92 | 2.88 | 3.01 | 3.00 | 3.14 | 2.83 | 2.04 | 2.22 | 2.33 | 1.41 | |||||||||||||
SKEW | -0.93 | 0.01 | 0.54 | 0.48 | 0.34 | -0.06 | -0.02 | -0.16 | 0.06 | 0.25 | -0.61 | -0.38 | 0.21 | |||||||||||||
MAX | 50.06 | 54.93 | 62.52 | 69.63 | 73.07 | 79.20 | 83.71 | 84.90 | 78.23 | 66.65 | 54.97 | 50.19 | 63.92 | |||||||||||||
MIN | 32.87 | 41.21 | 48.23 | 54.17 | 61.07 | 64.90 | 71.17 | 69.52 | 63.23 | 55.90 | 43.40 | 40.00 | 57.70 | |||||||||||||
YRS | 86 | 87 | 86 | 86 | 87 | 86 | 84 | 84 | 86 | 86 | 84 | 85 | 75 |