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 | ----- | z | ----- | z | 46.89 | 46.89 | ||
1908 | 45.68 | 46.14 | 64.26 | 68.93 | 71.10 | 77.95 | 79.89 | 79.23 | 74.75 | 59.00 | 56.48 | 51.19 | 64.55 | |||||||||||||
1909 | 49.27 | 50.18 | 55.32 | 62.47 | 67.38 | b | 77.08 | 81.10 | a | 82.50 | z | 73.89 | c | 63.69 | b | 59.22 | a | 41.66 | 61.93 | |||||||
1910 | 46.47 | 45.24 | a | 60.85 | 60.98 | 68.08 | a | 75.45 | 79.74 | 80.55 | 77.50 | 64.92 | 51.73 | 43.69 | 62.93 | |||||||||||
1911 | 51.68 | 55.62 | 58.37 | 64.37 | 71.95 | 80.40 | 78.19 | 79.32 | 80.15 | 67.35 | 48.30 | 48.19 | 65.33 | |||||||||||||
1912 | 39.84 | 42.62 | 52.47 | 65.02 | 71.42 | 74.78 | 80.47 | b | 79.80 | a | 76.52 | 65.79 | 49.97 | a | 47.84 | b | 62.21 | |||||||||
1913 | 52.95 | 45.07 | a | 55.29 | 61.67 | a | 70.16 | 77.03 | 80.97 | 80.35 | 73.07 | 61.85 | 56.41 | b | 47.05 | 63.49 | ||||||||||
1914 | 47.79 | 46.34 | ----- | z | 63.07 | 70.00 | 83.37 | 81.92 | 79.40 | 73.63 | 63.82 | 47.46 | r | 41.66 | 65.10 | |||||||||||
1915 | 43.42 | 47.91 | 45.65 | a | 63.32 | 72.16 | 78.60 | 80.31 | 78.55 | 76.50 | 66.02 | 55.27 | 46.16 | 62.82 | ||||||||||||
1916 | 53.29 | 46.86 | 56.13 | 61.84 | a | 73.29 | 77.17 | 80.58 | 79.90 | 75.18 | b | 62.87 | 52.60 | 47.31 | 63.92 | |||||||||||
1917 | 49.71 | 50.82 | 57.69 | 62.82 | 66.44 | 78.67 | 80.79 | 79.27 | 73.35 | 58.35 | 48.92 | 41.34 | 62.35 | |||||||||||||
1918 | 36.55 | a | 53.20 | 62.45 | a | 62.30 | 72.87 | 81.18 | 79.27 | 80.58 | 71.07 | 69.79 | 51.77 | 51.21 | 64.35 | |||||||||||
1919 | 35.45 | t | 47.81 | g | 55.90 | 62.20 | 68.79 | 78.10 | 80.90 | 81.77 | 75.62 | 73.67 | a | 56.58 | 47.89 | 68.14 | ||||||||||
1920 | 48.05 | 46.98 | a | 52.65 | 61.73 | 72.27 | a | 76.88 | 80.48 | 78.29 | 78.65 | 62.97 | 49.25 | 46.56 | 62.90 | |||||||||||
1921 | 47.50 | 45.70 | 62.71 | 59.55 | 64.33 | a | 79.15 | q | 82.59 | i | 82.44 | 82.35 | 61.42 | 56.28 | 47.68 | 61.00 | ||||||||||
1922 | 43.44 | 44.34 | i | 56.33 | g | 65.45 | 70.56 | 80.83 | 81.18 | 79.72 | a | 73.53 | 63.39 | 57.95 | 54.89 | 67.09 | ||||||||||
1923 | 50.40 | 44.18 | 52.60 | 60.75 | 69.18 | 73.90 | ----- | z | ----- | z | 77.45 | ----- | z | 51.85 | 55.79 | 59.57 | ||||||||||
1924 | 39.53 | 48.07 | 48.97 | 57.68 | s | 72.32 | t | 81.07 | 80.08 | ----- | z | 69.75 | 64.31 | 53.60 | 38.00 | z | 60.67 | |||||||||
1925 | 46.37 | 54.54 | 58.50 | a | 67.28 | 71.84 | f | 81.10 | 82.45 | 82.59 | b | 83.63 | 56.79 | 47.98 | a | 29.20 | u | 66.12 | ||||||||
1926 | 42.08 | g | 51.70 | 49.11 | 62.14 | b | 70.19 | 77.55 | 80.18 | 81.79 | 79.53 | 66.16 | 48.88 | 50.69 | 65.27 | |||||||||||
1927 | 49.40 | 56.98 | 56.85 | 68.88 | 72.56 | 79.10 | 81.21 | 78.48 | a | 76.65 | 65.31 | 59.88 | 45.26 | 65.88 | ||||||||||||
1928 | 45.90 | 50.91 | 57.69 | e | ----- | z | 70.29 | g | ----- | z | 83.53 | 83.45 | 69.92 | 66.76 | 49.30 | 45.84 | 61.48 | |||||||||
1929 | 48.16 | 44.64 | 60.45 | ----- | z | 70.95 | 77.73 | 80.56 | 79.83 | g | 74.05 | 63.89 | 53.27 | b | 41.79 | 61.55 | ||||||||||
1930 | 40.10 | ----- | z | 54.26 | 63.28 | 69.82 | 75.00 | 83.79 | 76.66 | 74.85 | 60.10 | 49.45 | 43.02 | 62.76 | ||||||||||||
1931 | 43.56 | 49.07 | 48.95 | 60.45 | 67.15 | 78.70 | 80.53 | 77.37 | 78.48 | 67.24 | 59.17 | 55.61 | 63.86 | |||||||||||||
1932 | 51.79 | 59.64 | 50.34 | 64.85 | 68.31 | 79.00 | 82.76 | 80.98 | 73.20 | 61.39 | 49.98 | 45.84 | 64.01 | |||||||||||||
1933 | 52.68 | 49.46 | 56.44 | 62.23 | 75.44 | 77.08 | 79.74 | 79.87 | 78.85 | 66.39 | ----- | z | 57.05 | 66.84 | ||||||||||||
1934 | 50.05 | 45.34 | 53.32 | 61.26 | a | 71.60 | a | 79.05 | 81.94 | 82.21 | 73.60 | 67.15 | 57.25 | 47.13 | 64.16 | |||||||||||
1935 | 48.81 | 49.05 | 61.95 | 64.03 | 71.48 | 75.42 | 81.03 | 81.50 | 75.37 | 66.47 | 49.90 | 38.35 | 63.61 | |||||||||||||
1936 | 42.63 | 43.91 | 59.61 | 60.52 | 70.29 | 81.00 | 81.53 | 79.15 | 76.50 | z | 64.87 | 51.62 | 49.05 | 62.20 | ||||||||||||
1937 | 57.35 | 49.21 | 51.76 | 63.50 | 72.68 | 79.50 | 79.52 | 81.02 | 73.58 | 62.19 | 50.88 | 46.44 | 63.97 | |||||||||||||
1938 | 47.65 | 55.16 | 64.34 | 63.42 | 71.79 | 77.33 | a | 81.82 | a | 81.47 | 74.47 | 65.37 | 53.83 | 46.55 | 65.27 | |||||||||||
1939 | 49.85 | 52.25 | 59.15 | 61.28 | 70.61 | 78.85 | 81.76 | 80.00 | 78.27 | 66.27 | 51.18 | 50.08 | 64.96 | |||||||||||||
1940 | 32.08 | 45.41 | 55.84 | 62.97 | 67.69 | 76.08 | 78.56 | 78.95 | 72.17 | 64.37 | 53.88 | 52.66 | 61.72 | |||||||||||||
1941 | 49.02 | 45.05 | 50.56 | 64.98 | 71.71 | 77.92 | 80.45 | 80.76 | 77.52 | 71.65 | 52.42 | 50.79 | e | 64.40 | ||||||||||||
1942 | 42.37 | 44.77 | 55.65 | 64.93 | 70.97 | b | 79.47 | 81.35 | 79.60 | 71.45 | i | 67.52 | ----- | z | 49.31 | 63.59 | ||||||||||
1943 | 48.44 | 50.50 | 53.94 | 63.60 | 73.95 | a | ----- | z | 80.90 | ----- | z | 71.45 | 61.44 | 49.85 | 45.87 | 59.99 | ||||||||||
1944 | 46.11 | 54.45 | 56.58 | 63.50 | 70.56 | 80.20 | 79.98 | 79.61 | 75.26 | a | 62.76 | 53.23 | 44.74 | 63.92 | ||||||||||||
1945 | 45.79 | 52.30 | 64.15 | 64.58 | 67.76 | 76.72 | 77.82 | 77.98 | 76.45 | 62.31 | 58.10 | 43.10 | 63.92 | |||||||||||||
1946 | 47.61 | 50.73 | 60.42 | 65.53 | 68.79 | 74.78 | 78.10 | 76.65 | 73.15 | 64.02 | 58.95 | 50.52 | 64.10 | |||||||||||||
1947 | 48.90 | 40.88 | 48.58 | 65.05 | 68.78 | a | 77.05 | 76.03 | 81.34 | 76.30 | 68.94 | 52.43 | ----- | z | 64.03 | |||||||||||
1948 | 39.65 | 49.41 | 59.03 | 66.92 | 70.62 | b | 79.17 | 82.19 | 78.10 | 71.50 | 60.65 | 56.80 | 51.81 | 63.82 | ||||||||||||
1949 | 55.05 | 52.39 | 55.95 | 62.57 | 71.48 | 77.85 | 80.42 | 78.82 | 73.02 | 68.27 | 53.70 | 50.44 | 65.00 | |||||||||||||
1950 | 60.47 | a | 54.95 | 54.03 | 59.73 | 73.50 | 76.58 | 77.65 | 77.37 | 72.25 | 66.34 | 50.40 | 43.02 | 63.86 | ||||||||||||
1951 | 48.79 | 50.62 | 57.82 | 61.75 | 70.02 | 79.02 | 81.23 | 83.39 | 76.53 | 65.95 | 49.60 | 52.69 | 64.78 | |||||||||||||
1952 | 55.03 | 53.88 | 54.89 | 60.97 | 70.74 | 80.88 | 82.23 | 80.90 | 71.80 | 55.68 | 52.62 | 46.81 | 63.87 | |||||||||||||
1953 | 50.44 | 50.05 | 60.48 | a | 61.90 | 72.98 | 81.93 | 79.69 | 78.42 | 73.87 | 65.15 | a | 52.75 | 44.98 | 64.39 | |||||||||||
1954 | 48.31 | b | 54.20 | 55.65 | 67.67 | 66.15 | 79.18 | 82.45 | 82.90 | 76.45 | 65.65 | 52.10 | 46.32 | 64.75 | ||||||||||||
1955 | 44.68 | 49.12 | 59.98 | 66.12 | 73.35 | 73.17 | 79.79 | 79.02 | 76.38 | 62.27 | 53.60 | 48.13 | 63.80 | |||||||||||||
1956 | 44.00 | b | 54.14 | 55.06 | 62.27 | 74.10 | 75.86 | a | 80.89 | 79.90 | 72.90 | 65.05 | 52.02 | b | 54.24 | 64.20 | ||||||||||
1957 | 48.97 | 55.64 | 53.50 | 65.17 | 71.56 | 78.65 | 80.15 | 78.48 | 73.60 | 60.15 | 55.85 | 49.32 | 64.25 | |||||||||||||
1958 | 40.08 | 40.86 | 50.89 | 64.08 | 71.24 | 77.17 | 79.21 | 78.71 | 75.60 | 61.69 | 56.06 | f | 42.37 | 61.99 | ||||||||||||
1959 | 42.03 | 50.31 | a | 52.94 | 61.85 | 72.16 | 76.13 | 79.08 | 78.81 | 73.75 | 66.11 | 50.46 | c | 47.10 | 62.56 | |||||||||||
1960 | 45.10 | 43.24 | 46.53 | 64.32 | 67.97 | 77.21 | a | 82.48 | 80.16 | 74.55 | 64.95 | 53.12 | d | 43.26 | 61.91 | |||||||||||
1961 | 39.63 | 52.38 | 59.15 | 60.07 | 68.82 | 73.50 | d | 77.02 | 76.48 | 74.32 | 61.27 | a | 54.22 | 46.37 | 61.93 | |||||||||||
1962 | 42.13 | 56.39 | 50.85 | a | 61.75 | 73.48 | a | 77.07 | 82.11 | 80.53 | 75.79 | a | 65.45 | 50.92 | 43.69 | 63.35 | ||||||||||
1963 | 39.89 | 43.16 | 58.52 | 67.00 | 71.82 | 75.33 | 75.94 | 75.97 | 72.62 | 66.10 | 55.20 | 37.31 | 61.57 | |||||||||||||
1964 | 44.10 | 42.75 | a | 56.19 | 66.25 | 70.90 | 78.07 | 79.61 | 79.31 | 74.42 | 60.00 | b | 57.73 | 49.94 | 63.27 | |||||||||||
1965 | 48.71 | 47.84 | 50.55 | 67.32 | 72.42 | 77.72 | 80.21 | 76.95 | 73.67 | 61.08 | 58.35 | 48.60 | 63.62 | |||||||||||||
1966 | 40.98 | 48.07 | 54.66 | 64.30 | 69.66 | 74.78 | 81.05 | 77.68 | 72.85 | 60.10 | 55.55 | 45.31 | 62.08 | |||||||||||||
1967 | 46.40 | 44.64 | 58.68 | 69.33 | 68.55 | 77.23 | 76.03 | 76.46 | c | 68.77 | 60.73 | 50.74 | c | 51.80 | a | 62.45 | ||||||||||
1968 | 43.03 | 40.76 | 52.71 | 64.27 | 69.10 | 77.38 | 78.44 | 79.19 | 70.22 | 63.90 | 52.20 | 45.20 | a | 61.37 | ||||||||||||
1969 | 45.76 | 47.70 | 47.23 | c | 63.70 | 69.66 | 77.15 | 81.76 | 77.16 | 72.12 | 65.27 | 52.10 | 45.19 | 62.07 | ||||||||||||
1970 | 39.45 | 45.23 | 52.50 | 66.55 | 70.90 | 75.97 | 78.65 | 79.11 | 77.03 | 62.10 | 50.25 | 50.08 | a | 62.32 | ||||||||||||
1971 | 46.77 | 47.98 | 50.98 | 60.68 | 65.82 | 78.20 | 78.03 | 78.31 | 76.08 | 67.19 | 51.78 | 55.69 | 63.13 | |||||||||||||
1972 | 49.94 | 47.91 | 56.68 | 63.87 | 68.85 | 75.90 | 77.81 | 79.79 | 78.12 | 64.71 | 50.12 | 48.84 | 63.54 | |||||||||||||
1973 | 44.23 | 46.61 | 60.58 | 60.30 | 68.32 | 77.72 | 80.71 | 77.55 | 76.35 | 67.21 | 59.17 | 46.60 | 63.78 | |||||||||||||
1974 | 53.73 | 50.36 | 63.07 | h | 62.75 | 72.63 | 73.30 | 79.50 | 78.11 | 70.43 | 59.39 | d | 53.10 | 48.34 | 63.79 | |||||||||||
1975 | 50.11 | 52.78 | a | 55.35 | 61.95 | 71.56 | 77.50 | e | 79.47 | 79.02 | 69.88 | 63.29 | 58.42 | e | 46.35 | 63.81 | ||||||||||
1976 | 42.53 | 54.88 | 58.27 | a | 61.55 | b | 65.31 | 75.24 | g | 77.89 | 76.81 | 70.57 | 54.70 | d | 44.83 | f | 42.35 | 60.49 | ||||||||
1977 | 35.15 | 47.91 | 58.10 | 64.00 | 71.69 | 79.03 | 79.92 | 79.77 | 75.48 | 59.81 | 56.65 | 46.77 | 62.86 | |||||||||||||
1978 | 34.19 | g | 39.32 | 52.10 | 62.98 | 69.79 | 77.52 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.34 | ||||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1980 | ----- | z | 45.24 | ----- | z | ----- | z | 70.34 | 77.07 | 82.55 | ----- | z | 78.20 | ----- | z | ----- | z | ----- | z | 70.68 | ||||||
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 46.40 | 48.86 | 55.58 | 63.51 | 70.41 | 77.71 | 80.23 | 79.44 | 74.77 | 63.89 | 53.34 | 47.44 | 63.54 | |||||||||||||
S.D. | 5.22 | 4.48 | 4.40 | 2.32 | 2.24 | 2.11 | 1.72 | 1.77 | 2.96 | 3.46 | 3.24 | 4.09 | 1.06 | |||||||||||||
SKEW | -0.09 | 0.09 | -0.09 | 0.57 | -0.42 | 0.08 | -0.52 | 0.22 | 0.43 | -0.12 | 0.39 | 0.15 | -0.08 | |||||||||||||
MAX | 60.47 | 59.64 | 64.34 | 69.33 | 75.44 | 83.37 | 83.79 | 83.45 | 83.63 | 73.67 | 59.88 | 57.05 | 65.88 | |||||||||||||
MIN | 32.08 | 39.32 | 45.65 | 59.55 | 64.33 | 73.17 | 75.94 | 75.97 | 68.77 | 54.70 | 47.98 | 37.31 | 61.37 | |||||||||||||
NO YRS | 68 | 69 | 68 | 68 | 69 | 68 | 69 | 65 | 69 | 69 | 65 | 68 | 50 |