YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.20 | 52.13 | 43.40 | 28.65 | 46.34 | h | ||||
1968 | 31.06 | 40.61 | a | 39.87 | a | 43.10 | 52.65 | 63.77 | 69.10 | 64.84 | 60.77 | 51.06 | 38.90 | a | 27.71 | 48.62 | ||||||||||
1969 | 36.75 | c | 32.07 | 34.47 | a | 43.97 | 54.97 | 60.27 | 68.48 | 69.23 | 62.30 | 47.35 | 39.80 | 32.58 | 48.52 | |||||||||||
1970 | 30.35 | 36.79 | 37.52 | 40.31 | a | 54.13 | a | 62.54 | b | 71.03 | a | 68.75 | c | 57.86 | b | 47.50 | a | 40.00 | d | 31.67 | a | 48.20 | ||||
1971 | 30.39 | 34.60 | c | 37.97 | a | 43.90 | a | 47.79 | b | 60.33 | 69.52 | 68.80 | a | 60.77 | 45.83 | a | 37.11 | b | 30.71 | 47.31 | ||||||
1972 | 28.97 | b | 36.36 | a | 44.35 | 46.50 | 52.94 | 64.17 | 72.00 | 66.55 | 60.50 | 49.16 | 35.37 | 29.29 | 48.85 | |||||||||||
1973 | 29.58 | 35.46 | 35.10 | 40.63 | 55.19 | 62.83 | 69.70 | a | 68.54 | c | 57.40 | 46.68 | 39.38 | a | 34.16 | 47.89 | ||||||||||
1974 | 30.00 | 32.75 | 41.29 | 42.97 | 54.57 | a | 64.46 | b | 69.42 | 66.35 | 62.57 | 49.45 | 37.60 | 28.58 | 48.33 | |||||||||||
1975 | 27.81 | 29.89 | 34.42 | 36.13 | 49.23 | 61.53 | 68.26 | 65.10 | 60.93 | 46.10 | 35.53 | 30.68 | 45.47 | |||||||||||||
1976 | 30.39 | 35.41 | 33.16 | 39.93 | 55.71 | 61.77 | 69.48 | 65.35 | 59.77 | 47.32 | 38.50 | 29.65 | 47.20 | |||||||||||||
1977 | 30.23 | 33.86 | 31.68 | 45.43 | 47.58 | 63.30 | 70.03 | 68.45 | 61.79 | a | 54.55 | 41.23 | d | 37.52 | 48.80 | |||||||||||
1978 | 33.41 | d | 34.50 | 41.65 | 42.03 | a | 50.26 | 65.77 | 70.94 | 69.58 | 61.00 | 55.67 | a | 37.40 | 25.52 | 48.98 | ||||||||||
1979 | 25.19 | 29.07 | a | 35.61 | 43.53 | 53.00 | 63.43 | 70.26 | 66.52 | 64.24 | a | 52.13 | 35.93 | a | 34.03 | 47.75 | ||||||||||
1980 | 37.19 | 38.34 | 37.32 | 44.30 | 49.23 | 60.43 | 69.87 | 68.77 | 60.00 | 49.55 | 40.13 | 36.97 | 49.34 | |||||||||||||
1981 | 34.32 | 34.61 | 37.29 | 48.37 | 55.48 | 68.47 | 72.68 | 68.58 | 63.56 | c | 48.07 | c | 41.53 | 36.55 | 50.79 | |||||||||||
1982 | 31.67 | a | 36.52 | a | 38.19 | 43.83 | a | 53.13 | 60.00 | a | 67.40 | a | 68.03 | 59.59 | a | 46.03 | 38.03 | 30.73 | e | 47.76 | ||||||
1983 | 33.00 | b | 36.33 | a | 39.52 | b | 39.59 | a | 50.19 | 60.03 | 67.77 | 65.00 | 63.37 | 50.13 | 38.80 | 34.53 | a | 48.19 | ||||||||
1984 | 32.06 | 32.10 | 37.19 | 44.33 | 59.61 | 62.53 | 68.29 | 66.32 | 61.93 | 44.93 | a | 37.08 | e | 31.30 | a | 48.14 | ||||||||||
1985 | 29.28 | b | 31.08 | c | 37.37 | a | 47.11 | b | 53.74 | 63.37 | 69.35 | 66.32 | 55.03 | 48.32 | 36.81 | d | 33.00 | 47.56 | ||||||||
1986 | 36.43 | c | 37.50 | b | 42.39 | 45.03 | 53.39 | 64.10 | a | 66.58 | 69.81 | 56.17 | 47.43 | c | 38.79 | a | 32.17 | b | 49.15 | |||||||
1987 | 28.86 | b | 33.19 | a | 36.61 | c | 47.57 | 53.30 | a | 64.23 | 65.68 | 67.10 | 61.10 | 54.62 | b | 39.90 | 29.39 | c | 48.46 | |||||||
1988 | 31.77 | 36.82 | a | 37.87 | 45.40 | 52.84 | 64.47 | 71.35 | 66.30 | a | 58.82 | b | 55.52 | 40.17 | 30.90 | 49.35 | ||||||||||
1989 | 30.31 | b | 34.54 | b | 44.10 | a | 53.27 | 55.29 | 63.73 | 71.43 | a | 68.13 | 61.69 | a | 49.32 | 41.00 | 32.65 | 50.45 | ||||||||
1990 | 31.27 | a | 31.35 | b | 41.63 | a | 47.33 | 53.10 | 65.31 | a | 69.63 | a | 65.77 | 60.81 | c | 51.20 | a | 39.10 | a | ----- | z | 50.59 | a | |||
1991 | 31.07 | c | 39.08 | b | 33.60 | a | 44.27 | 50.97 | 60.00 | b | 69.13 | 67.29 | 63.17 | 53.37 | a | 40.39 | b | 33.76 | b | 48.84 | ||||||
1992 | 32.13 | 38.17 | e | 40.27 | a | 48.17 | 55.42 | 60.53 | 68.77 | a | 68.39 | c | 63.23 | 52.65 | 37.00 | a | 32.00 | a | 49.73 | |||||||
1993 | 33.97 | b | 35.50 | 41.68 | 46.50 | 54.13 | a | 60.37 | 65.90 | 65.84 | 60.11 | k | ----- | z | ----- | z | ----- | z | 50.49 | d | ||||||
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 28.29 | q | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 31.44 | 34.87 | 38.16 | 44.37 | 52.99 | 62.76 | 69.31 | 67.30 | 60.75 | 49.85 | 38.80 | 31.79 | 48.49 | |||||||||||||
S.D. | 2.76 | 2.87 | 3.37 | 3.46 | 2.74 | 2.16 | 1.75 | 1.52 | 2.27 | 3.19 | 1.97 | 2.92 | 1.10 | |||||||||||||
SKEW | 0.32 | -0.15 | 0.06 | 0.03 | -0.16 | 0.48 | -0.26 | -0.04 | -0.81 | 0.37 | 0.15 | 0.12 | -0.32 | |||||||||||||
MAX | 37.19 | 40.61 | 44.35 | 53.27 | 59.61 | 68.47 | 72.68 | 69.81 | 64.24 | 55.67 | 43.40 | 37.52 | 50.79 | |||||||||||||
MIN | 25.19 | 29.07 | 31.68 | 36.13 | 47.58 | 60.00 | 65.68 | 64.84 | 55.03 | 44.93 | 35.37 | 25.52 | 45.47 | |||||||||||||
YRS | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 24 |