YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 20.80 | c | 20.80 | k |
1932 | 22.56 | 24.50 | 35.52 | 44.97 | 51.29 | 58.88 | 62.08 | 60.95 | 54.42 | 46.68 | 39.65 | 22.88 | a | 43.70 | ||||||||||||
1933 | 27.52 | b | 22.46 | a | 36.82 | 43.12 | 47.18 | 60.22 | 64.79 | 63.48 | 53.70 | 51.37 | 38.92 | 36.77 | 45.53 | |||||||||||
1934 | 35.42 | 40.52 | 45.15 | 50.93 | a | 55.87 | 57.17 | 64.34 | 64.32 | 53.35 | 48.58 | 41.77 | b | 28.16 | 48.80 | |||||||||||
1935 | 24.20 | a | 31.14 | 32.83 | a | 40.81 | a | 47.90 | 55.10 | 61.71 | 59.32 | 55.38 | 43.13 | 28.98 | 25.08 | 42.13 | ||||||||||
1936 | 24.56 | 19.50 | 32.90 | 45.65 | 55.24 | 59.03 | 64.82 | 61.13 | 51.52 | 44.87 | 29.60 | 27.73 | 43.05 | |||||||||||||
1937 | 6.90 | 24.86 | 36.82 | 40.48 | 50.23 | a | 55.20 | 63.11 | 57.27 | 54.78 | 46.90 | 39.02 | 31.82 | 42.28 | ||||||||||||
1938 | 29.39 | 29.48 | a | 34.42 | 43.45 | a | 48.21 | 57.68 | 63.47 | 57.18 | 57.62 | 45.08 | 29.53 | 29.08 | 43.72 | |||||||||||
1939 | 28.24 | 24.34 | 35.94 | 44.50 | 51.15 | 52.77 | 62.79 | 61.05 | 52.80 | 42.82 | 35.52 | 33.52 | 43.79 | |||||||||||||
1940 | 26.56 | 32.86 | 39.37 | 43.12 | 52.60 | 59.17 | a | 63.11 | 61.76 | 56.78 | 47.37 | a | 29.52 | 29.45 | 45.14 | |||||||||||
1941 | 27.95 | 32.07 | 40.19 | 44.78 | 50.87 | 55.85 | 64.67 | a | 60.08 | 47.93 | 42.12 | a | 35.90 | a | 28.58 | a | 44.25 | |||||||||
1942 | ----- | z | 22.27 | 31.97 | 46.32 | 48.03 | 52.83 | a | 63.32 | 61.69 | 54.12 | 47.40 | 34.00 | 28.06 | 44.55 | a | ||||||||||
1943 | 19.03 | 27.84 | 32.23 | 46.35 | 46.24 | 52.38 | 63.21 | 59.79 | 56.91 | a | 46.42 | 35.33 | 24.79 | 42.54 | ||||||||||||
1944 | 23.66 | 28.69 | 33.06 | 42.80 | 51.76 | 54.65 | 61.65 | 58.77 | 55.35 | 49.31 | 29.63 | 22.27 | 42.63 | |||||||||||||
1945 | 25.74 | 32.38 | 34.71 | 40.63 | 50.02 | a | 53.88 | 63.44 | 61.63 | 52.25 | 47.47 | 33.52 | 23.34 | 43.25 | ||||||||||||
1946 | 22.79 | 24.41 | 39.95 | u | 40.67 | x | 49.50 | 55.77 | 62.81 | 61.39 | 53.19 | a | 39.63 | 32.97 | 31.21 | 43.37 | b | |||||||||
1947 | 19.94 | 34.54 | 40.19 | 43.78 | 54.39 | 53.72 | 63.02 | 59.82 | 55.62 | 48.35 | 32.72 | 28.47 | 44.55 | |||||||||||||
1948 | 25.73 | 27.95 | 30.82 | 40.73 | 48.45 | 59.40 | 59.76 | 59.15 | 53.57 | a | 44.50 | 32.30 | 17.77 | 41.68 | ||||||||||||
1949 | 5.92 | 25.96 | 36.71 | 45.62 | 53.76 | 55.12 | 61.13 | a | 62.11 | 56.23 | 40.18 | 39.35 | 27.89 | 42.50 | ||||||||||||
1950 | 17.44 | 27.05 | 34.39 | 40.67 | 46.71 | b | 55.42 | 61.85 | 61.81 | 53.77 | 47.53 | 35.75 | 33.16 | 42.96 | ||||||||||||
1951 | 23.26 | 29.14 | 31.38 | a | 43.03 | 50.36 | b | 53.95 | 64.73 | 60.68 | 55.10 | 42.82 | a | 32.17 | 23.11 | 42.48 | ||||||||||
1952 | 19.90 | a | 23.29 | 30.63 | 45.88 | 50.89 | 55.63 | 61.81 | 61.15 | 56.90 | 48.85 | 28.48 | 26.65 | 42.51 | ||||||||||||
1953 | 36.39 | 29.84 | 35.79 | 40.68 | 45.89 | 51.47 | 61.97 | a | 60.93 | a | 57.05 | 45.85 | a | 38.33 | 29.18 | 44.45 | ||||||||||
1954 | 29.42 | 35.14 | 32.97 | 42.97 | a | 50.85 | 52.07 | 62.18 | 56.81 | 52.33 | 43.32 | 38.02 | 24.19 | 43.36 | ||||||||||||
1955 | 24.27 | r | 22.68 | 25.63 | 39.05 | 46.60 | 57.53 | 61.85 | a | 61.02 | a | 52.78 | 45.90 | 28.38 | 27.26 | 42.61 | a | |||||||||
1956 | 24.11 | 22.38 | 32.73 | 44.45 | 52.24 | 54.07 | 63.71 | 59.77 | 54.08 | d | 43.47 | a | 31.58 | 26.85 | 42.45 | |||||||||||
1957 | 13.37 | 27.55 | 36.77 | a | 43.22 | 52.48 | 57.93 | 61.26 | 58.79 | 56.58 | 44.02 | 30.53 | 28.52 | 42.59 | ||||||||||||
1958 | 26.42 | 35.23 | 34.13 | 41.40 | 56.06 | 59.02 | 64.42 | 64.66 | 52.90 | 46.65 | 32.83 | 32.63 | 45.53 | |||||||||||||
1959 | 29.48 | 31.12 | 36.11 | 43.68 | 45.76 | 57.43 | 62.60 | 58.61 | 52.67 | 44.66 | 32.98 | 26.06 | 43.43 | |||||||||||||
1960 | 17.97 | 25.93 | 34.15 | 43.42 | 47.18 | 56.05 | 66.66 | 59.08 | 56.75 | 46.34 | 34.25 | 27.19 | 42.91 | |||||||||||||
1961 | 28.60 | 36.79 | 38.02 | 42.17 | 49.95 | 61.20 | 65.32 | 67.40 | 49.37 | 42.48 | 30.63 | 25.45 | 44.78 | |||||||||||||
1962 | 21.29 | 27.89 | a | 34.23 | 46.55 | 47.94 | 55.62 | 60.34 | 60.00 | 55.03 | 46.05 | 36.08 | 28.22 | a | 43.27 | |||||||||||
1963 | 18.63 | 39.48 | 37.05 | 40.25 | 51.94 | 55.77 | 60.39 | 61.13 | 59.48 | 48.56 | 36.25 | 23.15 | 44.34 | |||||||||||||
1964 | 23.15 | 24.26 | 31.24 | 39.07 | 49.15 | 55.63 | 63.58 | 58.92 | a | 52.52 | a | 47.11 | 33.25 | 25.56 | 41.95 | |||||||||||
1965 | 28.13 | 31.96 | 33.37 | 44.93 | 46.77 | 55.09 | a | 62.40 | 60.85 | 49.35 | 48.84 | 36.82 | 26.02 | 43.71 | ||||||||||||
1966 | 29.11 | 27.11 | 35.32 | 42.73 | 52.68 | 54.65 | 61.29 | 61.32 | 58.12 | a | 44.74 | 36.60 | 28.87 | 44.38 | ||||||||||||
1967 | 31.95 | 34.18 | 34.98 | 37.81 | a | 48.76 | 57.68 | 64.08 | 65.95 | 58.83 | 44.71 | 35.07 | 26.29 | 45.02 | ||||||||||||
1968 | 24.55 | 36.41 | 39.73 | 39.88 | 48.84 | 56.38 | 63.77 | 55.84 | i | 55.83 | 44.28 | a | 34.07 | 25.94 | 42.70 | a | ||||||||||
1969 | 24.32 | 25.18 | 34.58 | 43.87 | 53.16 | 58.22 | 61.56 | 61.92 | 56.20 | 41.08 | 35.32 | 30.44 | 43.82 | |||||||||||||
1970 | 30.26 | 35.12 | 34.18 | 35.57 | 49.21 | 61.50 | c | 65.03 | 64.32 | 49.63 | 41.89 | 34.23 | b | 22.30 | a | 43.60 | ||||||||||
1971 | 28.92 | 31.36 | 32.13 | 40.37 | 50.06 | 53.22 | 62.93 | a | 67.08 | 48.78 | 41.53 | 32.13 | 24.03 | b | 42.71 | |||||||||||
1972 | 23.26 | 29.31 | 40.69 | 38.77 | 50.97 | 57.92 | d | 61.94 | 63.90 | 50.07 | 44.65 | a | 34.33 | 19.18 | a | 42.92 | ||||||||||
1973 | 22.00 | 28.59 | 36.00 | a | ----- | z | 52.15 | 56.98 | 64.48 | 61.58 | 53.65 | 43.71 | 33.00 | 31.45 | a | 43.96 | a | |||||||||
1974 | 21.18 | 34.25 | 36.47 | b | 42.65 | g | 48.67 | d | 60.73 | 64.13 | 65.46 | r | 57.32 | 44.39 | 37.88 | 26.69 | 43.17 | b | ||||||||
1975 | 25.31 | 26.07 | 33.76 | 39.82 | 51.37 | 52.85 | 66.19 | 57.97 | 55.63 | 44.45 | 31.75 | 30.26 | 42.95 | |||||||||||||
1976 | 24.87 | 26.71 | a | 30.73 | 40.93 | 54.09 | b | 52.27 | 60.16 | 59.12 | g | 56.27 | 43.69 | 35.77 | 26.92 | 41.13 | a | |||||||||
1977 | 19.10 | a | 32.59 | 32.81 | 51.42 | r | 45.00 | 62.48 | 61.00 | 64.03 | 53.00 | 45.97 | b | 33.50 | 29.85 | 43.58 | a | |||||||||
1978 | 26.91 | d | 30.30 | 40.95 | 42.12 | 49.63 | 55.85 | 62.28 | a | 61.88 | a | 53.07 | 45.19 | 28.03 | 16.11 | 42.69 | ||||||||||
1979 | 11.55 | 30.16 | 38.26 | b | 42.55 | 50.42 | 57.02 | ----- | z | ----- | z | 56.25 | 46.31 | 27.92 | 30.47 | 39.09 | b | |||||||||
1980 | 22.38 | a | 32.31 | 34.31 | 45.23 | 50.10 | 53.16 | e | 62.37 | ----- | z | 52.25 | 44.79 | 32.93 | 30.37 | 41.84 | a | |||||||||
1981 | 30.37 | a | 33.15 | a | 37.35 | 43.42 | 47.85 | 53.12 | b | 60.13 | 64.27 | a | 54.32 | 42.52 | a | ----- | z | ----- | z | 46.65 | b | |||||
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 23.95 | 29.37 | 35.11 | 42.66 | 50.13 | 56.13 | 62.85 | 61.26 | 54.23 | 45.17 | 33.82 | 27.00 | 43.55 | |||||||||||||
S.D. | 6.16 | 4.77 | 3.37 | 2.77 | 2.69 | 2.69 | 1.61 | 2.46 | 2.65 | 2.50 | 3.39 | 4.03 | 1.32 | |||||||||||||
SKEW | -0.86 | 0.20 | 0.30 | 0.13 | 0.25 | 0.37 | 0.17 | 0.54 | -0.39 | 0.03 | 0.14 | -0.37 | 1.72 | |||||||||||||
MAX | 36.39 | 40.52 | 45.15 | 50.93 | 56.06 | 62.48 | 66.66 | 67.40 | 59.48 | 51.37 | 41.77 | 36.77 | 48.80 | |||||||||||||
MIN | 5.92 | 19.50 | 25.63 | 35.57 | 45.00 | 51.47 | 59.76 | 56.81 | 47.93 | 39.63 | 27.92 | 16.11 | 41.68 | |||||||||||||
YRS | 48 | 50 | 49 | 46 | 50 | 50 | 49 | 45 | 50 | 50 | 49 | 50 | 39 |