YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1965 | 46.29 | 41.96 | 45.74 | 54.53 | 63.39 | 71.03 | 74.74 | 73.71 | 67.38 | a | 64.55 | 52.55 | a | 45.16 | 58.42 | |||||||||||
1966 | 42.00 | 41.00 | 51.74 | 60.03 | 69.74 | 75.87 | 77.42 | 72.23 | 68.47 | 62.10 | 55.37 | 43.90 | 59.99 | |||||||||||||
1967 | 45.90 | 48.07 | 54.58 | 54.93 | 65.48 | 72.43 | 74.19 | 71.06 | 68.60 | 61.97 | ----- | z | 38.85 | k | 61.72 | b | ||||||||||
1968 | 41.23 | 46.72 | 46.03 | 53.43 | 67.57 | a | 76.37 | 74.19 | 69.16 | 66.77 | 63.90 | 49.17 | 42.48 | 58.09 | ||||||||||||
1969 | 43.84 | 41.18 | 44.71 | 60.83 | 65.42 | 73.30 | 74.42 | 76.13 | 68.87 | 58.68 | 47.47 | 42.77 | 58.13 | |||||||||||||
1970 | 43.71 | 48.32 | 44.45 | 52.53 | 68.39 | 77.13 | 78.23 | 75.42 | 69.80 | 57.48 | 56.80 | 47.32 | 59.97 | |||||||||||||
1971 | 49.19 | 50.50 | 55.81 | 59.57 | 64.29 | 74.93 | 78.61 | 72.65 | 71.53 | 56.84 | 55.31 | a | 41.39 | 60.88 | ||||||||||||
1972 | 48.58 | 50.18 | a | 62.16 | 63.77 | 69.03 | 75.13 | 78.26 | 74.81 | 69.90 | 59.36 | c | 47.34 | a | 45.46 | c | 62.00 | |||||||||
1973 | 39.96 | d | 41.39 | 40.71 | 54.31 | a | 67.90 | 75.93 | 76.65 | 76.81 | 73.90 | 65.58 | 54.63 | c | 48.79 | c | 59.71 | |||||||||
1974 | 44.07 | a | 46.22 | a | 53.35 | 60.53 | 71.23 | 82.53 | 74.53 | a | 74.13 | a | 67.80 | 59.94 | 51.75 | b | 44.70 | a | 60.90 | |||||||
1975 | 46.38 | b | 44.62 | b | 47.97 | a | 52.37 | 65.26 | 77.37 | 74.90 | 78.19 | 70.83 | 63.39 | 54.20 | e | 49.80 | k | 61.41 | a | |||||||
1976 | 50.41 | n | 50.09 | g | 50.52 | 57.43 | 67.87 | 78.67 | 72.97 | 75.52 | 67.33 | 57.42 | ----- | z | 46.52 | 63.80 | c | |||||||||
1977 | 41.50 | a | 48.93 | 49.29 | 61.66 | a | 64.10 | 78.33 | ----- | z | 75.61 | 71.83 | ----- | z | 55.86 | b | 50.47 | a | 59.76 | b | ||||||
1978 | 44.29 | 42.61 | ----- | z | ----- | z | 65.48 | 80.27 | 79.16 | 75.32 | 69.97 | 64.32 | 48.00 | 41.68 | 61.11 | b | ||||||||||
1979 | 38.48 | 44.77 | b | 47.10 | b | 60.56 | c | ----- | z | 75.70 | 79.19 | 74.96 | d | 72.28 | a | 66.88 | g | 49.47 | 50.52 | f | 60.28 | c | ||||
1980 | 43.42 | 48.69 | 47.26 | 59.34 | a | ----- | z | 80.03 | a | 78.46 | c | 74.61 | c | 73.63 | ----- | z | 54.19 | c | 50.18 | i | 62.18 | c | ||||
1981 | 46.00 | 50.89 | a | 49.00 | a | 63.04 | e | 65.00 | b | 77.34 | a | ----- | z | 73.12 | e | 68.39 | b | ----- | z | ----- | z | ----- | z | 61.60 | d | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 44.05 | 46.00 | 49.40 | 58.05 | 66.68 | 76.61 | 76.40 | 74.32 | 69.84 | 61.19 | 52.29 | 45.05 | 59.79 | |||||||||||||
S.D. | 2.96 | 3.54 | 5.24 | 3.82 | 2.31 | 2.91 | 2.18 | 2.19 | 2.19 | 3.06 | 3.38 | 2.84 | 1.37 | |||||||||||||
SKEW | -0.06 | -0.15 | 0.75 | -0.19 | 0.40 | 0.05 | -0.05 | -0.62 | 0.45 | -0.08 | -0.30 | 0.44 | 0.08 | |||||||||||||
MAX | 49.19 | 50.89 | 62.16 | 63.77 | 71.23 | 82.53 | 79.19 | 78.19 | 73.90 | 65.58 | 56.80 | 50.47 | 62.00 | |||||||||||||
MIN | 38.48 | 41.00 | 40.71 | 52.37 | 63.39 | 71.03 | 72.97 | 69.16 | 66.77 | 56.84 | 47.34 | 41.39 | 58.09 | |||||||||||||
YRS | 16 | 16 | 16 | 16 | 15 | 17 | 15 | 17 | 17 | 13 | 14 | 12 | 9 |