YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 27.70 | 23.39 | 25.54 | j | ||
1978 | 23.90 | 24.64 | 34.10 | 37.27 | 42.42 | 54.30 | 58.81 | 55.10 | 48.13 | 38.32 | 30.50 | 10.81 | 38.19 | |||||||||||||
1979 | 12.42 | 20.50 | f | 28.48 | ----- | z | 48.00 | s | 50.03 | 57.00 | 55.13 | 49.34 | a | 37.94 | 21.83 | 16.81 | 36.55 | c | ||||||||
1980 | 22.71 | 27.07 | 26.81 | 33.23 | 41.48 | 52.03 | 56.42 | 52.19 | 46.20 | 34.52 | 25.53 | 25.26 | 36.95 | |||||||||||||
1981 | 20.58 | 21.46 | 28.94 | 37.83 | 37.74 | 47.10 | 53.23 | 50.93 | a | 50.73 | 37.87 | 28.60 | 21.90 | 36.41 | ||||||||||||
1982 | 15.87 | 22.04 | 29.65 | 33.27 | 43.13 | 51.07 | 57.34 | b | 58.94 | 49.90 | 34.39 | 28.03 | 21.39 | 37.08 | ||||||||||||
1983 | 20.00 | a | 26.64 | 30.83 | a | 31.03 | 39.77 | 50.23 | 58.13 | 58.50 | a | 49.77 | 38.39 | 28.40 | 23.06 | 37.90 | ||||||||||
1984 | 11.94 | 19.69 | 27.65 | 30.97 | 46.77 | 51.30 | 59.61 | 57.42 | 50.37 | 35.48 | 26.30 | 23.13 | 36.72 | |||||||||||||
1985 | 18.81 | 18.36 | 30.00 | 37.13 | 44.90 | 52.33 | 58.19 | 56.19 | 45.90 | 37.26 | 27.66 | a | 19.45 | 37.18 | ||||||||||||
1986 | 20.55 | 27.32 | 31.77 | 36.57 | 42.23 | 53.33 | 54.90 | 55.97 | 46.23 | 34.71 | 28.23 | 20.97 | 37.73 | |||||||||||||
1987 | 15.39 | 24.57 | 26.30 | a | 35.47 | 44.61 | 51.97 | 54.39 | 52.67 | a | 44.30 | 37.32 | 26.10 | ----- | z | 37.55 | a | |||||||||
1988 | ----- | z | 21.52 | 25.65 | 35.70 | 41.45 | 54.73 | 57.16 | 54.81 | 43.67 | 37.58 | 27.40 | 14.06 | 37.61 | a | |||||||||||
1989 | 8.71 | 21.56 | a | 30.82 | c | 39.30 | 44.21 | b | 50.87 | 57.06 | 51.32 | 45.73 | d | 35.03 | 24.45 | a | 14.00 | f | 37.19 | a | ||||||
1990 | 15.29 | 21.79 | 32.03 | 38.50 | b | 42.08 | f | 52.83 | 56.65 | 54.23 | 49.79 | b | 33.16 | f | 26.18 | b | 10.71 | 35.80 | b | |||||||
1991 | 12.45 | 20.00 | 29.08 | e | 32.30 | ----- | z | 48.76 | a | 53.39 | 54.54 | e | 43.82 | b | 34.00 | i | 25.21 | b | 18.00 | b | 33.75 | b | ||||
1992 | 10.56 | d | 23.97 | 31.50 | a | 39.07 | 43.87 | 49.23 | 52.07 | a | 53.63 | d | 45.20 | 37.35 | e | 20.96 | f | 13.25 | c | 36.33 | a | |||||
1993 | 25.67 | d | 26.52 | c | 29.55 | 33.29 | b | 43.28 | b | 48.41 | c | 52.23 | i | 50.28 | b | 40.38 | a | 32.85 | d | 20.21 | a | 20.41 | n | 35.04 | b | |
1994 | 17.65 | 19.81 | a | 29.97 | 35.26 | c | 44.00 | b | 52.40 | 55.50 | c | 56.29 | 44.10 | 33.35 | 26.68 | h | 21.78 | d | 37.28 | a | ||||||
1995 | 23.90 | 27.61 | 30.52 | 32.20 | 40.38 | b | 47.03 | 52.38 | b | 54.68 | f | 42.63 | c | ----- | z | ----- | z | ----- | z | 37.08 | d | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 17.43 | 23.21 | 29.65 | 35.20 | 42.68 | 51.00 | 56.01 | 54.60 | 46.46 | 36.16 | 26.40 | 18.93 | 37.27 | |||||||||||||
S.D. | 5.14 | 3.04 | 2.15 | 2.78 | 2.28 | 2.26 | 2.28 | 2.54 | 3.05 | 1.89 | 2.60 | 4.76 | 0.61 | |||||||||||||
SKEW | -0.05 | 0.10 | -0.08 | -0.06 | -0.42 | -0.22 | -0.33 | -0.04 | -0.14 | -0.36 | -0.93 | -0.58 | 0.18 | |||||||||||||
MAX | 25.67 | 27.61 | 34.10 | 39.30 | 46.77 | 54.73 | 59.61 | 58.94 | 50.73 | 38.39 | 30.50 | 25.26 | 38.19 | |||||||||||||
MIN | 8.71 | 18.36 | 25.65 | 30.97 | 37.74 | 47.03 | 52.07 | 50.28 | 40.38 | 32.85 | 20.21 | 10.71 | 36.41 | |||||||||||||
YRS | 17 | 17 | 18 | 17 | 15 | 18 | 17 | 17 | 18 | 15 | 16 | 15 | 8 |