YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 89.42 | 81.62 | a | 60.42 | 47.57 | 35.39 | 62.88 | g | ||||
1952 | 33.84 | 36.24 | 44.35 | 67.60 | 74.65 | 80.67 | 91.68 | 92.26 | 86.00 | 77.06 | 49.43 | 40.87 | 64.55 | |||||||||||||
1953 | 45.90 | 46.36 | 56.73 | a | 60.90 | a | 66.17 | a | 77.07 | 96.00 | 89.94 | 84.89 | c | 69.23 | 54.30 | 37.89 | c | 65.45 | ||||||||
1954 | 40.68 | 48.52 | a | 51.03 | b | 64.11 | b | 76.50 | a | 75.36 | b | 92.40 | a | 85.90 | a | 81.54 | b | 68.36 | c | 54.83 | 37.84 | 64.75 | ||||
1955 | 32.06 | 34.79 | 42.67 | a | 53.76 | a | 68.94 | 81.33 | 86.84 | 92.24 | b | 79.97 | a | 68.80 | a | 41.86 | a | 40.93 | b | 60.35 | ||||||
1956 | 38.47 | a | 35.38 | 53.20 | a | 66.47 | 74.63 | a | 79.40 | 91.27 | a | 86.80 | a | 81.60 | 62.48 | 46.17 | 38.94 | 62.90 | ||||||||
1957 | 27.97 | b | 39.50 | 50.71 | 60.90 | 71.67 | a | 80.23 | 91.06 | 88.07 | c | 83.97 | 61.57 | a | 46.59 | a | 40.13 | a | 61.86 | |||||||
1958 | 35.48 | 46.81 | a | 52.48 | 59.30 | 80.39 | 80.53 | 89.94 | 93.35 | 79.24 | a | 71.50 | a | 50.18 | b | 43.58 | 65.23 | |||||||||
1959 | 39.48 | 44.50 | 53.14 | b | 66.00 | 67.34 | b | 82.03 | a | 91.10 | a | 84.13 | a | 72.38 | a | 67.06 | 52.21 | a | 42.26 | 63.47 | ||||||
1960 | 34.03 | a | 39.34 | 53.46 | c | 63.37 | 69.13 | a | 85.25 | b | 94.69 | b | 84.89 | d | 84.80 | 66.31 | b | 50.93 | a | 40.45 | 63.89 | |||||
1961 | 42.45 | 49.48 | a | 54.59 | b | 62.14 | a | 74.23 | a | 89.73 | 94.50 | c | 94.84 | 75.55 | a | 63.20 | a | 47.40 | 37.61 | 65.48 | ||||||
1962 | 31.29 | 37.93 | 49.00 | a | 69.83 | 68.81 | 81.20 | 88.97 | b | 88.85 | d | 84.24 | a | 66.90 | a | 54.33 | 43.26 | 63.72 | ||||||||
1963 | 35.06 | 52.96 | 55.23 | a | 58.38 | a | 71.74 | 76.90 | 87.48 | 88.19 | 86.37 | ----- | z | ----- | z | 36.43 | a | 64.88 | b | |||||||
1964 | 31.03 | ----- | z | ----- | z | ----- | z | ----- | z | 78.84 | k | 92.26 | 88.13 | a | 76.50 | 70.13 | 46.00 | 38.37 | a | 63.20 | e | |||||
1965 | 37.42 | 46.79 | 54.32 | 63.90 | 70.94 | 79.97 | 89.87 | 85.23 | 72.57 | 73.26 | 52.40 | 38.97 | 63.80 | |||||||||||||
1966 | 39.52 | 42.54 | 55.29 | 66.63 | 78.81 | 80.23 | 92.06 | 91.97 | 85.87 | 66.16 | 50.67 | 38.94 | 65.72 | |||||||||||||
1967 | 39.48 | 47.93 | 52.80 | a | 55.53 | 73.42 | 79.77 | 94.19 | 97.13 | 88.20 | 63.61 | 50.50 | 34.87 | 64.79 | ||||||||||||
1968 | 35.90 | 49.24 | 59.73 | a | 61.67 | 72.87 | 82.57 | 94.26 | 82.68 | 77.03 | 63.06 | 45.97 | 38.19 | 63.60 | ||||||||||||
1969 | 36.77 | 39.46 | 51.97 | 66.63 | 78.32 | 80.93 | 90.77 | 92.61 | 82.60 | 60.13 | 50.03 | 39.29 | 64.13 | |||||||||||||
1970 | 38.65 | 50.18 | 52.58 | 56.27 | 73.65 | 83.70 | 91.55 | 94.35 | 74.97 | 60.16 | 47.70 | 36.53 | a | 63.36 | ||||||||||||
1971 | 35.97 | 44.64 | 47.97 | 63.00 | 75.39 | 77.77 | 90.65 | 94.45 | 74.97 | 63.61 | 45.43 | 33.68 | 62.29 | |||||||||||||
1972 | 34.55 | 41.31 | 56.87 | 60.30 | 77.00 | 81.70 | 89.42 | 92.10 | 74.97 | 66.65 | 47.53 | 29.65 | 62.67 | |||||||||||||
1973 | 34.55 | 46.63 | a | 53.81 | 63.23 | 77.35 | 82.70 | 93.35 | 91.23 | 79.73 | 64.61 | 44.63 | 39.66 | b | 64.29 | |||||||||||
1974 | 33.16 | 44.89 | 51.81 | 62.73 | 70.77 | 88.17 | 89.68 | 89.77 | 83.97 | 67.74 | 49.53 | 36.65 | 64.07 | |||||||||||||
1975 | 32.84 | 40.61 | 48.81 | 54.07 | 70.23 | 78.40 | 92.68 | 84.10 | 82.48 | a | 62.45 | 46.73 | 36.42 | 60.82 | ||||||||||||
1976 | 36.27 | a | 39.66 | 46.71 | 61.70 | 77.29 | 78.00 | 90.61 | 82.68 | 79.33 | 66.61 | 54.67 | 41.00 | 62.88 | ||||||||||||
1977 | 28.03 | 45.89 | 50.67 | a | 71.13 | 66.16 | 87.00 | 91.00 | 91.03 | b | 77.60 | 66.16 | 46.77 | 40.19 | 63.47 | |||||||||||
1978 | 40.74 | 43.71 | 59.94 | 60.03 | 69.10 | 80.97 | 88.84 | 87.35 | 75.07 | 69.97 | 46.27 | 32.00 | 62.83 | |||||||||||||
1979 | 24.16 | 39.11 | 54.68 | 61.43 | 73.68 | 84.07 | 92.13 | a | 88.71 | 85.93 | 68.57 | a | 43.93 | 40.06 | 63.04 | |||||||||||
1980 | 35.00 | 45.79 | 52.10 | 66.83 | 71.10 | 78.27 | 88.23 | a | 84.97 | a | 77.17 | 65.42 | 46.83 | 40.10 | 62.65 | |||||||||||
1981 | 38.90 | b | 45.18 | 57.48 | 63.47 | 69.77 | 78.07 | 90.23 | a | 94.00 | 81.53 | 61.65 | 51.60 | 39.29 | 64.26 | |||||||||||
1982 | 31.94 | 34.21 | 51.24 | b | 59.59 | c | 71.06 | 80.41 | a | 85.82 | c | 89.39 | 75.83 | a | 61.77 | 42.43 | 35.68 | 59.95 | ||||||||
1983 | 38.65 | 48.68 | c | 54.97 | a | 61.03 | a | 72.80 | a | 79.50 | 86.60 | a | 89.61 | 78.28 | a | 66.81 | 48.40 | 30.29 | 62.97 | |||||||
1984 | 30.81 | 34.90 | ----- | z | 59.33 | 70.74 | 76.97 | 91.23 | 89.81 | 74.93 | 58.42 | 44.72 | a | 28.33 | a | 60.02 | a | |||||||||
1985 | 25.52 | b | 32.11 | 45.29 | 67.33 | 73.13 | 83.00 | a | 93.35 | 84.97 | a | 68.43 | 60.03 | 33.90 | 19.71 | 57.23 | ||||||||||
1986 | 32.45 | 43.39 | 58.35 | 60.07 | a | 71.29 | 87.13 | 83.48 | b | 92.26 | 68.43 | 65.07 | a | 46.80 | 34.48 | 61.93 | ||||||||||
1987 | 32.42 | 44.14 | 53.65 | 71.17 | 75.32 | 82.14 | b | 86.42 | 87.84 | 83.04 | b | 71.48 | 47.90 | a | 37.42 | 64.41 | ||||||||||
1988 | 29.57 | a | 43.34 | 54.03 | 65.13 | 71.16 | 85.52 | a | 92.65 | 90.50 | a | 78.33 | 73.94 | 43.93 | ----- | z | 66.19 | a | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.89 | 42.95 | 52.62 | 62.64 | 72.65 | 81.30 | 90.74 | 89.36 | 79.47 | 65.96 | 47.87 | 37.17 | 63.24 | |||||||||||||
S.D. | 4.68 | 5.17 | 4.02 | 4.32 | 3.53 | 3.37 | 2.74 | 3.63 | 4.98 | 4.32 | 4.11 | 4.61 | 1.76 | |||||||||||||
SKEW | -0.12 | -0.30 | -0.50 | -0.02 | 0.21 | 0.65 | -0.50 | -0.05 | -0.32 | 0.43 | -0.74 | -1.73 | -1.37 | |||||||||||||
MAX | 45.90 | 52.96 | 59.94 | 71.17 | 80.39 | 89.73 | 96.00 | 97.13 | 88.20 | 77.06 | 54.83 | 43.58 | 65.72 | |||||||||||||
MIN | 24.16 | 32.11 | 42.67 | 53.76 | 66.16 | 75.36 | 83.48 | 82.68 | 68.43 | 58.42 | 33.90 | 19.71 | 57.23 | |||||||||||||
YRS | 37 | 36 | 35 | 36 | 36 | 36 | 37 | 38 | 38 | 37 | 37 | 37 | 33 |