YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1966 | ----- | z | ----- | z | ----- | z | 43.71 | f | 55.23 | 60.77 | 67.34 | f | 64.81 | e | 58.93 | b | 43.68 | c | 36.38 | b | 20.29 | 48.58 | e | |||
1967 | 26.98 | c | 30.17 | a | 38.02 | a | 43.30 | 50.40 | 58.38 | 67.32 | 66.22 | b | 58.45 | b | 48.13 | e | 34.60 | 19.06 | 45.09 | |||||||
1968 | 19.03 | a | 29.64 | 36.59 | b | 39.37 | c | 50.80 | a | 61.80 | c | 66.80 | d | 61.45 | a | 53.67 | a | 46.38 | c | 32.07 | c | 23.20 | a | 43.40 | ||
1969 | 29.12 | a | 26.77 | d | 27.16 | b | 46.29 | a | 57.52 | c | 58.65 | c | 68.07 | b | 68.59 | d | 58.98 | 39.02 | 32.21 | d | 25.95 | a | 44.86 | |||
1970 | 24.83 | b | 32.07 | 33.09 | b | 40.54 | e | 53.40 | a | 61.50 | 67.20 | c | 68.00 | e | 52.90 | 40.29 | 34.93 | 23.05 | b | 44.32 | ||||||
1971 | 24.97 | 28.70 | 32.79 | 42.98 | 50.76 | 61.37 | 67.16 | 68.09 | b | 51.41 | c | 42.28 | a | 28.43 | 20.55 | 43.29 | ||||||||||
1972 | 23.52 | a | 29.14 | 40.63 | 44.32 | 52.85 | 64.33 | 66.12 | f | 63.60 | e | 55.43 | b | 48.93 | h | 32.47 | a | 16.19 | e | 42.25 | b | |||||
1973 | 15.52 | b | 23.17 | b | 33.40 | b | 40.14 | a | 52.34 | c | 60.95 | b | 65.80 | f | 65.48 | b | 54.38 | e | 47.43 | j | 32.60 | e | 24.94 | d | 40.29 | b |
1974 | 16.52 | h | 25.92 | c | 39.08 | f | 44.42 | f | 52.39 | l | ----- | z | 68.31 | o | ----- | z | 55.74 | c | 48.19 | 35.52 | 24.39 | 37.95 | g | |||
1975 | 23.76 | 28.94 | a | 35.79 | 40.37 | 49.26 | 56.91 | b | 68.85 | 62.23 | 55.58 | 44.50 | 31.48 | 26.87 | 43.71 | |||||||||||
1976 | 23.82 | 29.14 | 32.94 | 45.45 | 55.71 | 59.92 | 69.13 | 64.90 | 58.65 | 43.45 | a | 34.68 | 24.60 | 45.20 | ||||||||||||
1977 | 24.55 | 32.04 | 33.08 | 47.77 | 53.35 | 67.50 | 69.19 | 66.44 | 58.85 | 47.13 | 35.43 | 32.24 | 47.30 | |||||||||||||
1978 | 30.65 | 31.02 | 39.98 | 47.62 | 52.32 | 62.20 | 68.71 | 65.13 | 57.60 | 48.34 | 33.20 | 19.45 | 46.35 | |||||||||||||
1979 | 15.05 | 28.36 | 37.45 | 45.10 | 52.98 | 62.22 | 69.02 | 66.50 | 60.10 | 47.67 | a | 26.05 | 24.45 | 44.58 | ||||||||||||
1980 | 23.11 | 28.12 | 35.02 | 43.68 | 52.42 | 61.68 | 67.48 | 65.00 | 57.73 | 45.83 | a | 36.22 | 33.53 | a | 45.82 | |||||||||||
1981 | 29.05 | 31.98 | 38.44 | 50.22 | 54.53 | 65.85 | 69.94 | 68.87 | 63.08 | 46.05 | 36.93 | 30.12 | a | 48.75 | ||||||||||||
1982 | 25.18 | 26.86 | 38.02 | a | 42.13 | 52.66 | 59.78 | a | 67.25 | c | 68.33 | d | 57.96 | d | 43.81 | e | 30.53 | a | 27.41 | b | 44.99 | |||||
1983 | 30.69 | d | 30.57 | a | 37.67 | b | 40.17 | 49.98 | d | 60.42 | e | 67.60 | a | 69.80 | a | 59.29 | d | 48.66 | c | 33.84 | e | 18.00 | c | 45.56 | ||
1984 | 9.08 | a | 21.71 | a | 34.82 | 39.16 | b | 55.18 | 59.74 | a | 69.55 | 67.13 | 58.43 | a | 42.81 | 34.72 | a | 23.26 | b | 42.97 | ||||||
1985 | 16.97 | a | 20.80 | 35.32 | a | 48.16 | a | 56.16 | 64.24 | c | 70.68 | a | 66.88 | a | 54.91 | a | 47.62 | a | 34.58 | 27.02 | a | 45.28 | ||||
1986 | 28.85 | 35.46 | a | 43.53 | 45.55 | a | 52.67 | a | 65.32 | 67.00 | c | 68.29 | 55.50 | c | 47.41 | b | 37.10 | d | 27.20 | d | 47.82 | |||||
1987 | 24.72 | a | 33.46 | b | 35.80 | a | 49.91 | b | 57.39 | 65.19 | c | 68.48 | 65.34 | b | 58.66 | b | 49.80 | a | 36.19 | d | 26.10 | e | 47.59 | |||
1988 | 22.93 | a | 32.46 | b | 35.93 | a | 48.02 | 55.77 | 68.88 | f | 71.61 | 67.95 | b | 57.41 | a | 50.82 | 34.93 | a | 22.65 | 45.50 | a | |||||
1989 | 18.92 | a | 16.57 | 40.58 | 50.05 | 56.11 | 61.87 | 72.75 | a | 65.92 | f | 57.78 | e | 47.09 | b | 37.70 | 21.87 | 43.75 | a | |||||||
1990 | 26.21 | c | 26.46 | a | 40.76 | b | 50.32 | 52.17 | a | 65.32 | 70.77 | 67.08 | 64.18 | 47.87 | 36.40 | a | 15.95 | a | 46.96 | |||||||
1991 | 16.11 | 29.36 | 37.27 | 43.92 | 54.65 | a | 63.85 | 68.81 | 67.50 | 57.57 | a | 45.95 | 30.75 | 21.19 | 44.74 | |||||||||||
1992 | 22.06 | 31.55 | 39.60 | a | 50.60 | a | 57.42 | 62.52 | b | 64.69 | 65.20 | a | 57.57 | a | 47.07 | a | 29.58 | 22.17 | a | 45.84 | ||||||
1993 | 18.90 | b | 21.31 | b | 36.27 | 42.70 | 53.92 | 59.17 | a | 61.55 | 62.32 | 54.74 | c | 47.13 | a | 29.68 | 24.74 | 42.70 | ||||||||
1994 | 31.50 | 28.85 | a | 41.15 | 48.00 | 58.66 | 65.30 | 68.50 | 68.08 | a | 57.85 | 43.78 | a | 28.18 | 27.24 | 47.26 | ||||||||||
1995 | 25.53 | a | 33.06 | d | 38.53 | 42.58 | 48.19 | 58.12 | 63.58 | 64.39 | 55.93 | a | 41.65 | a | 35.05 | 27.58 | a | 44.52 | ||||||||
1996 | 21.19 | 27.83 | 37.58 | 44.85 | 52.89 | 61.69 | a | 67.32 | 62.87 | 52.68 | 45.94 | 36.05 | 31.02 | c | 45.16 | |||||||||||
1997 | 24.58 | 28.48 | 33.08 | 37.70 | 54.40 | k | 60.79 | d | 65.05 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.61 | f | |||||
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 23.25 | 28.39 | 36.68 | 44.70 | 53.59 | 61.91 | 68.00 | 66.09 | 57.16 | 45.80 | 33.50 | 24.27 | 45.36 | |||||||||||||
S.D. | 5.25 | 4.15 | 3.36 | 3.79 | 2.60 | 2.61 | 2.35 | 2.19 | 2.77 | 2.82 | 2.97 | 4.35 | 1.59 | |||||||||||||
SKEW | -0.64 | -0.96 | -0.45 | -0.02 | -0.02 | 0.22 | -0.61 | -0.43 | 0.24 | -0.61 | -0.74 | 0.08 | 0.30 | |||||||||||||
MAX | 31.50 | 35.46 | 43.53 | 50.60 | 58.66 | 67.50 | 72.75 | 69.80 | 64.18 | 50.82 | 37.70 | 33.53 | 48.75 | |||||||||||||
MIN | 9.08 | 16.57 | 27.16 | 37.70 | 48.19 | 56.91 | 61.55 | 61.45 | 51.41 | 39.02 | 26.05 | 15.95 | 42.70 | |||||||||||||
YRS | 30 | 31 | 30 | 30 | 30 | 30 | 28 | 29 | 31 | 29 | 31 | 31 | 25 |