YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 65.63 | 58.26 | 40.34 | a | 27.11 | d | 47.84 | h | ||
1947 | 27.85 | d | 21.52 | a | 33.65 | e | 47.38 | d | 59.69 | b | 72.07 | b | 79.42 | 84.40 | a | 70.17 | a | 67.42 | 32.41 | a | 25.90 | 51.82 | ||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.73 | 79.97 | 79.90 | 75.23 | 58.29 | 40.03 | 27.32 | 62.21 | e | |||||||
1949 | 25.45 | 25.54 | 35.68 | 57.03 | 69.97 | 79.80 | 80.00 | 79.10 | 65.90 | 61.68 | 39.73 | 26.42 | 53.86 | |||||||||||||
1950 | 22.03 | 25.96 | 30.97 | 39.57 | 65.35 | 75.83 | 75.42 | 72.87 | 68.03 | 60.74 | 33.93 | 20.68 | 49.28 | |||||||||||||
1951 | 22.07 | a | 26.11 | 32.10 | 48.20 | 70.81 | 70.50 | 76.81 | 70.57 | a | 62.97 | 53.77 | 31.10 | 23.26 | 49.02 | |||||||||||
1952 | 24.84 | 30.90 | 34.42 | 58.23 | 66.55 | 75.57 | 78.71 | 73.77 | 69.53 | 52.68 | 41.67 | 30.00 | 53.07 | |||||||||||||
1953 | 25.29 | 26.54 | 37.55 | 47.20 | 68.26 | 76.27 | 77.84 | 77.35 | 68.03 | 65.68 | 46.87 | 28.48 | 53.78 | |||||||||||||
1954 | 21.16 | 35.93 | 33.32 | 55.13 | 58.03 | 76.73 | 79.13 | 74.61 | 63.73 | 53.84 | 42.00 | 27.58 | 51.77 | |||||||||||||
1955 | 21.84 | 24.61 | 34.39 | 60.90 | 71.87 | 74.07 | 83.81 | 80.39 | 68.00 | 58.74 | 34.10 | 21.84 | 52.88 | |||||||||||||
1956 | 26.23 | 27.41 | 34.52 | 49.00 | 66.06 | 77.37 | 73.16 | 74.84 | 65.20 | 64.97 | 38.33 | 28.97 | 52.17 | |||||||||||||
1957 | 16.06 | 28.39 | 37.58 | 54.33 | 66.68 | 73.70 | 80.48 | 76.16 | 66.73 | 55.87 | 36.60 | 28.32 | 51.74 | |||||||||||||
1958 | 25.77 | 23.18 | 37.71 | 56.17 | 67.87 | 71.07 | 76.74 | 77.00 | 68.00 | 56.65 | 40.50 | 19.58 | 51.69 | |||||||||||||
1959 | 18.27 | e | 25.39 | 38.26 | 52.97 | 70.97 | 76.23 | 77.84 | 79.55 | 70.10 | 50.23 | 30.10 | 32.42 | 51.86 | ||||||||||||
1960 | 22.87 | 27.10 | 32.03 | 52.63 | 65.00 | 74.23 | 80.26 | 79.77 | 69.93 | 58.42 | 41.97 | 24.48 | 52.39 | |||||||||||||
1961 | 22.84 | 34.25 | 39.74 | 49.00 | 65.65 | 77.40 | 78.52 | 78.90 | 68.30 | 60.35 | 38.77 | 24.74 | 53.20 | |||||||||||||
1962 | 17.45 | 22.39 | 38.90 | 52.07 | 68.97 | 74.80 | 76.48 | 77.42 | 64.93 | 58.19 | 39.67 | 25.03 | 51.36 | |||||||||||||
1963 | 11.71 | 20.11 | 41.42 | 58.00 | 65.55 | 78.10 | 82.52 | 76.74 | 70.70 | 68.87 | 46.00 | 20.68 | 53.37 | |||||||||||||
1964 | 29.71 | 32.45 | 35.97 | 55.43 | 71.58 | 76.20 | 82.74 | 73.19 | 65.63 | 55.65 | 43.47 | 22.68 | 53.72 | |||||||||||||
1965 | 20.71 | 24.18 | 30.61 | 48.07 | 70.35 | 73.43 | 76.68 | 74.68 | 61.10 | 58.32 | 38.53 | 30.45 | 50.59 | |||||||||||||
1966 | 17.94 | 27.04 | 40.29 | 48.03 | 61.81 | 77.80 | 83.55 | 73.16 | 67.97 | 55.81 | 36.40 | 25.52 | 51.28 | |||||||||||||
1967 | 25.13 | 20.50 | 38.90 | 53.10 | 61.16 | 74.00 | 76.19 | 73.19 | 68.33 | 53.71 | 33.60 | 27.23 | 50.42 | |||||||||||||
1968 | 21.61 | 24.93 | 46.45 | 56.43 | 63.10 | a | 72.93 | 76.97 | 76.97 | 67.00 | 57.81 | 37.70 | 23.90 | 52.15 | ||||||||||||
1969 | 21.45 | 28.79 | 35.81 | 56.33 | 68.10 | 64.73 | 77.23 | 80.81 | 68.10 | 51.43 | a | 39.10 | 26.23 | 51.51 | ||||||||||||
1970 | 17.16 | 26.96 | 35.84 | 53.40 | 65.06 | 77.30 | 82.03 | 79.90 | 69.47 | 58.13 | 37.73 | 25.94 | 52.41 | |||||||||||||
1971 | 16.17 | a | 26.00 | 34.65 | 53.60 | 63.29 | 78.87 | 74.97 | 74.45 | 68.77 | 61.81 | 37.93 | 27.23 | 51.48 | ||||||||||||
1972 | 19.55 | 22.31 | 33.84 | 48.13 | 72.48 | 74.67 | 76.06 | 76.19 | 64.13 | 48.55 | 34.23 | 19.58 | 49.14 | |||||||||||||
1973 | 25.90 | 26.43 | 43.10 | 47.50 | 57.90 | 73.70 | 77.16 | 75.87 | 65.27 | 60.00 | 36.73 | 23.84 | 51.12 | |||||||||||||
1974 | 19.45 | 23.68 | 33.68 | 50.40 | 59.48 | 68.70 | 79.26 | 73.39 | 60.00 | 52.71 | 39.73 | 29.68 | 49.18 | |||||||||||||
1975 | 22.48 | 24.29 | 31.65 | 44.27 | 69.00 | 70.83 | 78.35 | 75.87 | 62.00 | 58.16 | 44.57 | 24.00 | 50.46 | |||||||||||||
1976 | 17.81 | 31.17 | 33.74 | 54.63 | 62.35 | 77.13 | 80.77 | 76.94 | 67.30 | 50.10 | 31.37 | 15.97 | 49.94 | |||||||||||||
1977 | 10.74 | 26.96 | 41.87 | 56.50 | 76.29 | 71.70 | 79.26 | 70.06 | 62.77 | 54.23 | 37.63 | 22.27 | a | 50.86 | ||||||||||||
1978 | 17.90 | 21.71 | 35.94 | 47.50 | 66.42 | 70.90 | 73.00 | 74.90 | 69.07 | 52.19 | 37.73 | 21.39 | 49.05 | |||||||||||||
1979 | 11.61 | 17.79 | 34.13 | 46.50 | 57.71 | 71.20 | 77.52 | 72.23 | 67.43 | 48.94 | 35.77 | 29.29 | 47.51 | |||||||||||||
1980 | 20.77 | 22.45 | 32.19 | 53.07 | 70.32 | 70.60 | 78.19 | 73.97 | 63.57 | 48.74 | 38.53 | 21.68 | 49.51 | |||||||||||||
1981 | 23.65 | 27.57 | 39.06 | 53.17 | 63.58 | 71.43 | 75.52 | 75.39 | 64.53 | 49.23 | 43.70 | 25.87 | 51.06 | |||||||||||||
1982 | 12.73 | a | 24.07 | 33.16 | 46.20 | 68.55 | 67.47 | ----- | z | 72.03 | 62.07 | 54.74 | 36.33 | 29.35 | 46.06 | a | ||||||||||
1983 | 24.29 | 30.11 | 35.61 | 45.70 | 58.16 | 73.20 | 81.61 | 79.52 | 67.40 | 54.10 | 38.57 | 13.87 | 50.18 | |||||||||||||
1984 | 17.81 | 33.69 | 30.68 | 54.13 | 60.68 | 74.20 | 76.26 | 76.48 | 63.10 | 55.81 | 38.40 | 25.52 | 50.56 | |||||||||||||
1985 | 18.77 | 22.07 | 40.94 | 53.43 | 67.42 | 69.27 | 75.87 | 71.71 | 64.90 | 54.06 | 31.53 | 15.61 | 48.80 | |||||||||||||
1986 | 22.87 | 23.82 | 37.61 | 56.23 | 68.65 | 73.17 | 77.55 | 71.48 | 64.53 | 52.90 | 33.97 | 27.74 | 50.88 | |||||||||||||
1987 | 25.77 | 34.54 | 43.52 | 59.83 | 68.52 | 77.77 | 79.65 | 75.35 | 69.50 | 47.77 | 41.17 | 29.84 | 54.44 | |||||||||||||
1988 | 18.42 | 21.41 | 35.39 | 53.93 | 72.74 | 79.80 | 82.39 | 78.00 | 65.93 | 49.10 | a | 37.30 | 26.52 | 51.74 | ||||||||||||
1989 | 27.19 | 19.79 | 32.35 | 50.03 | a | 65.19 | 70.97 | 80.42 | 77.19 | 68.10 | 58.26 | 32.66 | a | 15.81 | 49.83 | |||||||||||
1990 | 30.97 | 28.36 | 41.45 | 55.30 | 62.13 | 73.20 | 76.55 | 75.74 | 66.37 | 52.84 | 42.93 | 25.35 | 52.60 | |||||||||||||
1991 | 18.10 | 30.39 | 37.61 | 55.30 | 67.77 | 77.53 | 75.03 | 77.81 | 63.50 | 52.61 | 32.37 | 26.58 | 51.22 | |||||||||||||
1992 | 24.84 | 30.41 | 36.23 | 45.77 | 67.42 | 70.30 | 70.48 | 72.19 | 63.40 | 53.68 | 33.37 | 26.06 | 49.51 | |||||||||||||
1993 | 21.97 | 26.18 | 40.26 | 46.27 | 62.81 | 68.60 | 75.06 | 75.74 | 60.47 | 50.74 | 34.60 | 25.52 | 49.02 | |||||||||||||
1994 | 11.42 | 21.29 | 39.00 | 52.10 | 66.71 | 74.37 | 73.03 | 70.42 | 67.90 | 56.84 | 42.90 | 32.10 | 50.67 | |||||||||||||
1995 | 23.16 | 25.21 | 39.94 | 45.33 | 63.16 | 80.10 | 77.55 | 78.19 | 66.23 | 53.65 | 28.83 | 22.23 | 50.30 | |||||||||||||
1996 | 20.84 | 24.10 | 30.00 | 45.47 | 60.74 | 72.80 | 72.58 | 76.29 | 65.87 | ----- | z | ----- | z | ----- | z | 52.08 | c | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 21.03 | 26.04 | 36.40 | 51.61 | 65.88 | 73.95 | 77.89 | 75.85 | 66.33 | 55.74 | 37.67 | 24.95 | 51.16 | |||||||||||||
S.D. | 4.72 | 4.13 | 3.79 | 4.68 | 4.40 | 3.41 | 2.97 | 3.06 | 2.97 | 4.92 | 4.22 | 4.20 | 1.57 | |||||||||||||
SKEW | -0.33 | 0.46 | 0.41 | -0.22 | -0.08 | -0.28 | -0.08 | 0.22 | 0.11 | 0.63 | 0.01 | -0.72 | 0.02 | |||||||||||||
MAX | 30.97 | 35.93 | 46.45 | 60.90 | 76.29 | 80.10 | 83.81 | 84.40 | 75.23 | 68.87 | 46.87 | 32.42 | 54.44 | |||||||||||||
MIN | 10.74 | 17.79 | 30.00 | 39.57 | 57.71 | 64.73 | 70.48 | 70.06 | 60.00 | 47.77 | 28.83 | 13.87 | 47.51 | |||||||||||||
YRS | 49 | 49 | 49 | 49 | 49 | 50 | 49 | 50 | 51 | 50 | 50 | 50 | 47 |