YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.52 | 30.93 | 33.35 | 37.93 | i | |||
1960 | 24.10 | 27.72 | 32.58 | 51.17 | 63.77 | 72.37 | 78.13 | 78.03 | 68.50 | 56.81 | 42.87 | 25.26 | 51.78 | |||||||||||||
1961 | 23.55 | 35.11 | 39.87 | 48.43 | 65.23 | 76.23 | 77.94 | 79.23 | 67.43 | 59.61 | 39.87 | 25.32 | 53.15 | |||||||||||||
1962 | 18.16 | 23.29 | 38.94 | 51.43 | 68.58 | 74.60 | 75.10 | 77.29 | 65.13 | 57.77 | 39.83 | 25.29 | 51.28 | |||||||||||||
1963 | 12.97 | 21.46 | 41.06 | 57.57 | 66.13 | 78.33 | 80.87 | 75.97 | 69.57 | 69.00 | 45.43 | 22.13 | 53.37 | |||||||||||||
1964 | 29.52 | 31.10 | 35.48 | 54.17 | 71.45 | 76.40 | 81.97 | 72.13 | 65.47 | 55.81 | 43.30 | 22.90 | 53.31 | |||||||||||||
1965 | 20.52 | 24.54 | 31.29 | 48.30 | 70.10 | 74.00 | 75.94 | 72.42 | g | 61.70 | 56.94 | 38.27 | 30.03 | 48.33 | a | |||||||||||
1966 | 19.61 | 27.46 | 39.32 | 48.07 | 59.77 | a | 77.87 | 82.84 | 77.17 | m | 68.37 | 56.77 | 36.33 | 26.48 | 49.35 | a | ||||||||||
1967 | 25.94 | 21.61 | 39.13 | 52.73 | 61.48 | 74.40 | 76.65 | 73.81 | o | 69.33 | 53.06 | 34.93 | 27.39 | 48.79 | a | |||||||||||
1968 | 23.03 | 25.76 | 46.94 | 56.40 | 62.68 | 72.90 | 76.65 | 78.41 | n | 67.90 | 58.23 | 39.00 | 25.77 | 50.48 | a | |||||||||||
1969 | 22.94 | 31.96 | 36.55 | 56.67 | 67.74 | 65.97 | 78.32 | 84.00 | u | 68.63 | 50.74 | 39.37 | 27.87 | 49.71 | a | |||||||||||
1970 | 19.32 | 26.86 | 36.32 | 54.63 | 66.16 | 77.70 | 81.32 | 78.00 | k | 69.20 | 59.68 | 38.23 | 27.19 | 50.60 | a | |||||||||||
1971 | 17.00 | 25.68 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.86 | b | 69.80 | 62.32 | 38.63 | 28.52 | 45.40 | e | ||||||
1972 | 20.55 | 23.66 | 34.68 | 48.80 | 73.26 | ----- | z | ----- | z | 76.90 | b | 66.45 | a | 54.16 | 40.72 | a | 23.81 | 46.30 | b | |||||||
1973 | 29.71 | 29.46 | 45.74 | 51.30 | 61.00 | 74.87 | 78.68 | 77.77 | 67.80 | 63.42 | 38.30 | 26.13 | 53.68 | |||||||||||||
1974 | 22.52 | 28.30 | a | 35.97 | a | 55.13 | 62.23 | a | 71.37 | 80.19 | 74.52 | 63.03 | 55.71 | 42.17 | 33.03 | 52.01 | ||||||||||
1975 | 25.35 | 28.54 | 35.06 | 48.10 | 71.94 | 73.77 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.13 | f | ||||||
1976 | ----- | z | ----- | z | ----- | z | ----- | z | 69.24 | n | 80.13 | 81.93 | a | 80.07 | a | 69.82 | b | 52.45 | 33.90 | a | 19.41 | b | 59.67 | e | ||
1977 | 13.94 | 29.04 | 43.52 | b | 60.83 | 77.35 | 73.43 | 82.23 | 72.71 | 64.87 | 57.03 | 39.43 | 25.11 | c | 53.29 | |||||||||||
1978 | 20.61 | 24.59 | a | 38.68 | 49.73 | 70.71 | 74.90 | 75.64 | c | 77.53 | a | 69.76 | a | 54.74 | 39.07 | 22.48 | 51.54 | |||||||||
1979 | 13.77 | a | 21.56 | a | 37.10 | 47.83 | a | 62.57 | c | 74.00 | a | 80.07 | c | 73.69 | b | 69.87 | 50.68 | 36.93 | b | 32.06 | 50.01 | |||||
1980 | 22.29 | c | 25.60 | n | 35.68 | 56.33 | 72.45 | 73.45 | a | 80.87 | a | 76.52 | 66.53 | 50.35 | 39.83 | 23.55 | 54.35 | a | ||||||||
1981 | 25.66 | b | 30.68 | 41.73 | a | 56.03 | 66.16 | 74.37 | 78.19 | 76.71 | 66.47 | 51.61 | 44.67 | 27.42 | 53.31 | |||||||||||
1982 | 15.90 | 27.04 | a | 37.71 | c | 49.33 | 73.31 | b | 69.93 | 79.70 | a | 74.47 | a | 65.77 | 57.48 | 38.13 | 29.90 | b | 51.56 | |||||||
1983 | 26.23 | 33.18 | 36.81 | 48.57 | 61.29 | 75.86 | a | 83.39 | 82.32 | 70.55 | a | 55.45 | 39.53 | 16.93 | a | 52.51 | ||||||||||
1984 | 20.83 | a | 36.07 | 33.29 | 56.83 | 64.67 | a | 76.31 | a | 78.24 | b | 78.10 | a | 66.25 | b | 58.00 | a | 39.93 | 27.97 | a | 53.04 | |||||
1985 | 21.10 | a | 25.76 | c | 43.03 | b | 58.70 | c | 70.13 | 71.90 | 77.86 | b | 74.23 | 66.10 | a | 57.07 | b | 32.96 | b | 18.75 | c | 51.47 | ||||
1986 | 26.00 | a | 26.33 | a | 39.85 | e | 60.11 | b | 73.52 | f | 75.23 | 80.29 | 74.17 | a | 66.33 | 54.84 | 35.83 | 28.44 | d | 51.58 | a | |||||
1987 | 27.81 | 36.29 | 45.35 | 64.93 | a | 71.46 | c | 79.34 | a | 80.83 | b | 75.42 | 69.59 | a | 49.62 | b | 41.38 | a | 29.58 | 55.97 | ||||||
1988 | 20.29 | 25.00 | d | 37.37 | a | 56.67 | 74.29 | 80.90 | 82.81 | 79.53 | a | 67.93 | 49.20 | a | 36.97 | 25.36 | c | 53.03 | ||||||||
1989 | 29.77 | a | 21.12 | d | 32.86 | b | 52.10 | a | 67.45 | b | 78.60 | t | 81.60 | a | 76.10 | 69.70 | 59.13 | a | 33.83 | 17.60 | a | 49.21 | a | |||
1990 | 33.35 | 31.44 | c | 43.61 | 58.90 | 64.06 | 74.77 | 76.70 | a | 76.06 | 68.26 | c | 55.35 | 43.97 | a | 27.90 | a | 54.53 | ||||||||
1991 | 20.70 | a | 33.43 | 41.39 | 59.83 | a | 68.81 | d | 78.68 | e | 75.52 | 78.37 | a | 63.86 | a | 54.45 | 34.67 | 27.87 | a | 53.13 | ||||||
1992 | 25.10 | a | 27.76 | 37.42 | 48.43 | b | 70.23 | a | 71.70 | 71.26 | 72.97 | 64.96 | b | 54.45 | 33.55 | a | 26.86 | b | 50.39 | |||||||
1993 | 24.55 | 26.21 | 40.42 | 49.39 | b | 64.42 | 70.33 | f | 76.65 | 77.03 | 61.43 | 52.68 | 34.97 | 26.63 | a | 48.58 | a | |||||||||
1994 | 11.84 | 22.36 | 40.90 | 54.00 | a | 68.53 | a | 76.97 | 75.21 | b | 73.77 | 69.28 | a | 58.03 | b | 42.63 | 34.20 | a | 52.31 | |||||||
1995 | 23.50 | a | 25.79 | 41.03 | 46.97 | a | 65.00 | 81.27 | 79.48 | 69.69 | o | ----- | z | ----- | z | ----- | z | ----- | z | 51.86 | e | |||||
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.00 | n | 73.03 | a | 77.48 | 64.92 | d | ----- | z | 33.28 | a | ----- | z | 62.18 | h | |
1997 | 19.88 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 19.88 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 22.16 | 27.53 | 38.73 | 53.48 | 67.41 | 75.12 | 78.71 | 76.38 | 67.16 | 55.78 | 38.43 | 26.24 | 52.60 | |||||||||||||
S.D. | 4.97 | 4.22 | 3.89 | 4.68 | 4.45 | 3.27 | 2.94 | 2.38 | 2.41 | 4.21 | 3.59 | 4.14 | 1.36 | |||||||||||||
SKEW | -0.09 | 0.44 | 0.18 | 0.41 | 0.18 | -0.31 | -0.44 | 0.27 | -0.67 | 0.76 | -0.04 | -0.35 | 0.27 | |||||||||||||
MAX | 33.35 | 36.29 | 46.94 | 64.93 | 77.35 | 81.27 | 83.39 | 82.32 | 70.55 | 69.00 | 45.43 | 34.20 | 55.97 | |||||||||||||
MIN | 11.84 | 21.13 | 31.29 | 46.97 | 59.77 | 65.97 | 71.26 | 72.13 | 61.43 | 49.20 | 30.93 | 16.93 | 50.01 | |||||||||||||
YRS | 36 | 34 | 34 | 34 | 33 | 32 | 34 | 29 | 35 | 35 | 36 | 35 | 21 |