YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1962 | ----- | z | ----- | z | ----- | z | ----- | z | 79.97 | 93.00 | j | 96.03 | 97.23 | 87.64 | b | 75.57 | a | 61.00 | 48.41 | b | 77.98 | e | ||||
1963 | 40.43 | x | ----- | z | ----- | z | 69.60 | 87.26 | 91.07 | 99.81 | 91.13 | a | 88.77 | 78.94 | 56.86 | h | 45.87 | a | 81.55 | d | ||||||
1964 | 49.81 | 51.79 | 58.25 | g | 70.76 | a | 82.52 | 90.27 | 98.06 | 92.90 | a | 86.03 | 81.52 | 55.37 | 51.58 | 73.69 | a | |||||||||
1965 | 50.16 | 53.25 | 58.94 | 70.80 | 77.19 | 86.23 | 94.61 | 95.84 | 84.43 | 78.00 | 61.77 | 48.77 | 71.67 | |||||||||||||
1966 | 46.71 | c | 50.96 | a | 68.07 | b | 72.77 | ----- | z | 90.80 | 98.74 | 86.52 | 76.77 | 75.68 | 67.83 | 49.52 | 71.31 | a | ||||||||
1967 | 46.84 | 61.61 | 66.94 | 68.00 | 80.42 | 90.47 | 96.20 | a | 95.81 | 86.70 | 78.55 | 63.97 | 39.52 | 72.92 | ||||||||||||
1968 | 29.84 | 58.45 | 64.70 | a | 68.34 | a | 81.77 | 95.23 | 96.39 | 90.10 | 88.77 | 74.71 | 59.45 | a | 42.83 | a | 70.88 | |||||||||
1969 | 50.74 | 52.68 | 58.90 | 74.70 | 85.26 | 91.70 | 96.37 | a | 97.26 | 87.87 | 70.00 | 58.90 | 53.10 | 73.12 | ||||||||||||
1970 | 49.84 | 59.26 | a | 59.26 | 65.90 | 83.97 | 92.07 | 97.26 | 95.48 | 85.53 | 71.29 | 61.43 | 48.61 | 72.49 | ||||||||||||
1971 | 51.58 | 55.93 | 66.87 | 71.40 | 76.68 | 93.13 | 100.81 | 93.70 | a | 87.07 | 68.48 | 58.63 | 44.48 | 72.40 | ||||||||||||
1972 | 51.77 | 60.07 | 72.45 | 75.23 | 83.68 | 91.47 | 99.48 | 93.71 | 86.17 | 67.16 | 53.20 | 44.90 | 73.27 | |||||||||||||
1973 | 42.03 | 50.50 | 53.97 | 67.07 | 81.55 | 92.00 | 97.10 | 95.19 | 88.50 | 77.42 | 60.43 | 52.58 | 71.53 | |||||||||||||
1974 | 43.29 | 53.07 | 68.13 | 71.47 | 86.32 | 98.17 | 95.23 | 95.58 | 86.53 | 73.39 | 57.30 | 47.19 | 72.97 | |||||||||||||
1975 | 46.35 | 54.11 | 59.87 | 65.70 | 78.10 | 91.67 | 96.03 | 95.06 | 85.37 | 75.68 | 60.30 | 48.03 | 71.36 | |||||||||||||
1976 | 49.61 | 59.03 | 62.55 | 72.43 | 83.42 | 92.83 | 97.16 | 94.94 | 83.40 | 72.33 | a | 60.50 | 49.68 | 73.16 | ||||||||||||
1977 | 41.81 | 59.78 | a | 60.52 | 75.13 | 78.61 | 95.33 | 96.35 | 95.23 | 89.47 | 78.29 | 61.87 | 55.55 | 73.99 | ||||||||||||
1978 | 49.23 | 53.18 | 65.68 | 72.53 | 82.56 | d | 96.23 | 99.13 | a | 96.55 | 86.73 | 79.55 | b | 58.07 | 40.87 | 73.36 | ||||||||||
1979 | 41.84 | 51.15 | b | 61.66 | b | 73.04 | f | 80.35 | h | 94.84 | e | 100.13 | 95.41 | d | 92.73 | 79.57 | c | 57.40 | 50.68 | 72.54 | b | |||||
1980 | 51.70 | a | 58.28 | 60.74 | 71.68 | b | 78.23 | 95.30 | 99.84 | 96.38 | b | 90.10 | 78.97 | b | 64.30 | 57.23 | 75.23 | |||||||||
1981 | 55.97 | 60.86 | 63.93 | a | 78.67 | 82.87 | 98.90 | 98.65 | 95.46 | c | 87.50 | 73.35 | 63.90 | 53.68 | 76.14 | |||||||||||
1982 | 47.80 | a | 53.54 | 63.54 | e | 73.30 | 80.68 | 92.61 | b | 95.72 | b | 92.96 | d | 86.93 | b | 71.07 | b | 56.56 | e | 49.11 | d | 71.98 | ||||
1983 | 49.77 | 56.75 | 62.77 | 67.93 | a | 82.35 | 92.50 | d | 96.37 | a | 94.04 | d | 89.79 | a | 74.69 | b | 61.38 | a | 52.90 | b | 73.44 | |||||
1984 | 50.16 | f | 56.37 | b | 66.83 | b | 73.48 | a | 91.90 | b | 93.20 | 95.47 | a | 92.65 | 89.88 | d | 68.90 | a | 60.04 | e | 47.41 | b | 76.01 | a | ||
1985 | 47.35 | 53.73 | b | 63.20 | a | 79.70 | c | 85.29 | 97.61 | b | 98.97 | a | 97.74 | 82.93 | b | 75.62 | b | 60.33 | 50.71 | 74.43 | ||||||
1986 | 57.57 | c | 61.57 | 69.93 | b | 76.04 | d | 86.37 | a | 95.31 | d | 94.97 | b | 95.65 | 83.40 | 72.26 | d | 59.97 | 45.48 | 74.88 | ||||||
1987 | 44.00 | b | 53.63 | a | 61.43 | a | 76.89 | b | 80.59 | d | 96.08 | d | 96.13 | a | 92.00 | d | 87.77 | 78.96 | g | 57.72 | a | 44.43 | a | 71.88 | a | |
1988 | 47.58 | 58.57 | a | 66.63 | a | 75.54 | b | 84.39 | c | 94.07 | a | 99.52 | b | 93.20 | a | 86.41 | a | 81.37 | a | 62.37 | 53.19 | d | 75.24 | |||
1989 | 46.83 | b | 55.81 | b | 73.48 | b | 83.34 | a | 86.96 | f | 94.83 | a | 100.81 | 93.96 | d | 89.86 | b | 75.17 | a | 64.69 | a | 51.38 | b | 75.47 | a | |
1990 | 49.59 | b | 55.29 | 66.00 | a | 75.37 | 83.00 | a | 99.76 | a | 96.45 | b | 93.55 | b | 87.50 | 76.57 | a | 60.33 | 42.97 | 73.86 | ||||||
1991 | 47.61 | 60.57 | 60.19 | 72.79 | b | 82.20 | a | 91.53 | 98.39 | 95.81 | 88.50 | 79.48 | 58.20 | 40.55 | 72.99 | |||||||||||
1992 | 43.52 | b | 57.72 | 64.10 | a | 84.08 | r | 83.50 | a | 92.56 | c | 94.58 | 94.50 | a | 90.27 | o | ----- | z | ----- | z | ----- | z | 75.78 | e | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 47.53 | 56.12 | 63.97 | 72.73 | 82.52 | 93.59 | 97.44 | 94.37 | 86.97 | 75.30 | 60.25 | 48.37 | 73.24 | |||||||||||||
S.D. | 5.19 | 3.44 | 4.37 | 4.18 | 3.33 | 2.91 | 1.88 | 2.30 | 2.92 | 3.92 | 3.04 | 4.51 | 1.36 | |||||||||||||
SKEW | -1.17 | 0.03 | 0.15 | 0.38 | 0.49 | 0.08 | 0.27 | -1.41 | -1.29 | -0.35 | 0.13 | -0.17 | 0.29 | |||||||||||||
MAX | 57.57 | 61.61 | 73.48 | 83.34 | 91.90 | 99.76 | 100.81 | 97.74 | 92.73 | 81.52 | 67.83 | 57.23 | 76.14 | |||||||||||||
MIN | 29.84 | 50.50 | 53.97 | 65.70 | 76.68 | 86.23 | 94.58 | 86.52 | 76.77 | 67.16 | 53.20 | 39.52 | 70.88 | |||||||||||||
YRS | 28 | 29 | 28 | 28 | 28 | 30 | 31 | 31 | 30 | 29 | 29 | 30 | 22 |