YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 70.46 | d | 59.83 | f | 43.86 | j | 36.98 | 26.37 | 44.61 | i | ||
1952 | 23.58 | 22.98 | d | 32.35 | 50.52 | 57.05 | 63.32 | 71.06 | 70.92 | 64.25 | 55.13 | 34.22 | 33.26 | 48.22 | ||||||||||||
1953 | 38.35 | 37.18 | 42.00 | a | 45.64 | a | 51.00 | a | 59.02 | 72.48 | 68.19 | 62.56 | c | 49.27 | 42.13 | 29.11 | c | 49.74 | ||||||||
1954 | 33.40 | a | 37.76 | a | 38.14 | c | 48.38 | b | 57.68 | a | 57.71 | b | 69.80 | a | 65.03 | a | 58.38 | b | 47.98 | c | 38.38 | d | 26.15 | a | 48.23 | |
1955 | 22.47 | a | 20.86 | 30.63 | a | 42.79 | a | 52.31 | 63.07 | 68.26 | 67.31 | b | 59.78 | a | 49.58 | a | 32.91 | b | 32.45 | b | 45.20 | |||||
1956 | 30.17 | b | 24.71 | 40.62 | b | 48.62 | 57.80 | a | 60.87 | 71.42 | a | 66.67 | a | 59.52 | 47.31 | 33.73 | 29.82 | 47.60 | ||||||||
1957 | 15.59 | b | 26.57 | 39.10 | 46.72 | 57.20 | a | 61.62 | 68.53 | 65.76 | d | 62.30 | 47.33 | a | 32.31 | a | 30.93 | a | 46.16 | |||||||
1958 | 25.18 | a | 36.67 | a | 39.06 | 46.10 | 60.68 | 64.07 | 69.26 | 71.81 | 59.67 | a | 50.47 | a | 37.09 | b | 34.06 | 49.51 | ||||||||
1959 | 32.21 | 35.93 | 39.40 | b | 49.53 | 51.83 | b | 64.52 | a | 70.57 | b | 64.88 | a | 58.36 | a | 50.39 | 36.55 | a | 29.05 | 48.60 | ||||||
1960 | 22.73 | a | 29.24 | 40.48 | c | 47.25 | 52.07 | a | 63.77 | b | 73.28 | b | 64.22 | d | 63.23 | 48.90 | b | 39.03 | a | 28.35 | 47.71 | |||||
1961 | 30.55 | a | 38.85 | a | 42.05 | b | 46.47 | a | 56.30 | a | 68.40 | 73.29 | c | 74.35 | 57.38 | a | 48.32 | a | 34.22 | 27.35 | 49.79 | |||||
1962 | 19.97 | a | 29.39 | 36.62 | a | 50.53 | 52.73 | 61.88 | 68.83 | b | 67.57 | d | 61.26 | a | 50.37 | a | 40.78 | 34.92 | 47.90 | |||||||
1963 | 23.79 | 40.09 | 41.10 | a | 45.21 | a | 56.65 | 61.82 | 67.29 | 67.81 | 66.47 | ----- | z | ----- | z | 28.74 | b | 49.90 | b | |||||||
1964 | 20.84 | b | ----- | z | ----- | z | ----- | z | ----- | z | 61.42 | k | 71.34 | 67.23 | a | 57.42 | 50.77 | 35.85 | 30.65 | a | 47.73 | e | ||||
1965 | 30.13 | 35.57 | 37.58 | 49.98 | 54.18 | 63.17 | 70.66 | 67.79 | 54.88 | 52.23 | 39.88 | 28.94 | 48.75 | |||||||||||||
1966 | 30.65 | 31.91 | 40.66 | 48.03 | 58.68 | 61.87 | 69.71 | 70.11 | 64.88 | 46.94 | 40.67 | 30.53 | 49.55 | |||||||||||||
1967 | 32.26 | 36.00 | 40.78 | a | 43.22 | 54.94 | 62.80 | 73.03 | 73.02 | 66.20 | 47.63 | 38.67 | 25.52 | 49.50 | ||||||||||||
1968 | 25.08 | 37.72 | 43.60 | a | 44.55 | 54.42 | 63.58 | 72.65 | 65.19 | 58.23 | 46.53 | 37.27 | 29.03 | 48.16 | ||||||||||||
1969 | 28.19 | 29.34 | 37.03 | 49.00 | 59.66 | 63.75 | 69.35 | 68.55 | 61.18 | 43.95 | 35.33 | 30.77 | 48.01 | |||||||||||||
1970 | 31.55 | 37.30 | 40.02 | 41.38 | 55.37 | 65.90 | 71.52 | 70.24 | 54.98 | 44.26 | 38.23 | 27.98 | b | 48.23 | ||||||||||||
1971 | 27.94 | 34.11 | 37.00 | 47.12 | 57.73 | 60.48 | 71.63 | 72.90 | 55.12 | 46.94 | 35.37 | 24.81 | 47.59 | |||||||||||||
1972 | 25.27 | 31.28 | 42.95 | 45.28 | 58.08 | 64.90 | 69.27 | 70.81 | 55.55 | 49.27 | 37.43 | 20.66 | 47.56 | |||||||||||||
1973 | 26.42 | 35.46 | a | 40.44 | 46.27 | 57.35 | 63.87 | 71.68 | 69.68 | 60.00 | 48.05 | 37.20 | 32.97 | b | 49.11 | |||||||||||
1974 | 23.77 | 35.38 | 41.05 | 47.35 | 53.47 | 67.47 | 70.10 | 68.79 | 60.48 | 49.24 | 37.93 | 28.60 | 48.64 | |||||||||||||
1975 | 23.65 | 30.96 | 38.06 | 42.00 | 53.39 | 61.20 | 74.47 | 65.37 | 60.28 | a | 48.71 | 34.68 | 27.82 | 46.72 | ||||||||||||
1976 | 25.77 | a | 28.62 | 33.24 | 46.73 | 58.31 | 60.65 | 71.60 | 64.85 | 61.02 | 46.34 | 37.63 | 27.18 | 46.83 | ||||||||||||
1977 | 18.24 | 31.77 | 37.28 | a | 51.32 | 51.65 | 69.28 | 70.74 | 71.48 | b | 59.53 | 48.85 | 37.08 | 34.13 | 48.45 | |||||||||||
1978 | 33.77 | 35.75 | 45.61 | 46.98 | 53.87 | 61.93 | 69.37 | 65.66 | 55.98 | 47.05 | 33.08 | 19.98 | 47.42 | |||||||||||||
1979 | 12.55 | 30.55 | 39.48 | 46.32 | 55.58 | 64.43 | 71.28 | a | 69.92 | 63.43 | a | 52.05 | a | 31.78 | 32.05 | 47.45 | ||||||||||
1980 | 27.94 | 37.34 | 40.45 | 50.77 | 56.34 | 61.12 | 69.37 | a | 65.12 | a | 59.45 | 47.42 | 34.55 | 31.27 | 48.43 | |||||||||||
1981 | 31.76 | b | 33.62 | 42.32 | 48.55 | 53.82 | 59.53 | 67.67 | a | 71.97 | 60.98 | 45.71 | 40.00 | 31.08 | 48.92 | |||||||||||
1982 | 20.42 | a | 23.83 | a | 39.76 | b | 44.59 | c | 53.19 | 63.34 | a | 67.32 | c | 68.89 | 58.16 | a | 47.28 | a | 32.05 | a | 26.37 | a | 45.43 | |||
1983 | 30.76 | 39.06 | d | 43.85 | a | 46.16 | a | 55.42 | a | 61.70 | 67.52 | a | 70.94 | 56.86 | a | 49.89 | 38.95 | 22.71 | 48.65 | |||||||
1984 | 22.34 | 25.43 | ----- | z | 45.13 | 55.06 | 60.55 | 71.42 | 73.82 | 57.58 | 45.47 | 36.70 | c | 19.90 | b | 46.67 | a | |||||||||
1985 | 16.33 | b | 22.61 | 34.03 | 51.02 | 57.69 | 65.19 | a | 74.95 | 65.95 | a | 54.27 | 45.74 | 26.45 | b | 11.15 | a | 43.78 | ||||||||
1986 | 25.07 | a | 35.71 | 45.87 | 46.55 | a | 56.23 | 68.45 | a | 66.36 | b | 73.24 | 55.58 | 48.30 | a | 36.88 | 25.15 | 48.62 | ||||||||
1987 | 23.42 | 34.39 | 41.50 | 51.45 | 58.77 | 64.77 | b | 67.79 | 66.98 | 61.23 | b | 49.95 | 36.45 | a | 29.10 | 48.82 | ||||||||||
1988 | 19.95 | b | 32.19 | 40.42 | 49.87 | 54.73 | 68.31 | a | 72.56 | 68.17 | a | 58.70 | 54.45 | 36.88 | ----- | z | 50.57 | a | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 25.73 | 32.39 | 39.56 | 47.15 | 55.59 | 63.29 | 70.47 | 68.73 | 59.60 | 48.56 | 36.36 | 28.08 | 47.98 | |||||||||||||
S.D. | 5.68 | 5.23 | 3.41 | 2.64 | 2.46 | 2.75 | 2.11 | 2.88 | 3.18 | 2.48 | 3.05 | 4.71 | 1.35 | |||||||||||||
SKEW | -0.13 | -0.62 | -0.65 | -0.21 | -0.03 | 0.42 | 0.06 | 0.23 | 0.30 | 0.62 | -0.82 | -1.42 | -1.22 | |||||||||||||
MAX | 38.35 | 40.09 | 45.87 | 51.45 | 60.68 | 69.28 | 74.95 | 74.35 | 66.47 | 55.13 | 42.13 | 34.92 | 49.79 | |||||||||||||
MIN | 12.55 | 20.86 | 30.63 | 41.38 | 51.00 | 57.71 | 66.36 | 64.22 | 54.27 | 43.95 | 26.45 | 11.15 | 43.78 | |||||||||||||
YRS | 37 | 36 | 35 | 36 | 36 | 36 | 37 | 38 | 37 | 36 | 37 | 37 | 33 |