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 | ----- | z | 23.65 | 23.65 | k | |
1978 | 19.75 | c | 18.21 | 27.57 | c | 33.87 | 38.93 | a | ----- | z | 56.27 | a | 53.10 | 45.24 | a | ----- | z | 30.32 | b | 15.20 | f | 35.92 | c | |||
1979 | 14.58 | 20.93 | a | 26.00 | a | 33.33 | 41.32 | 48.14 | a | 54.71 | 51.81 | 47.86 | a | 36.19 | 21.20 | 18.47 | a | 34.54 | ||||||||
1980 | 22.61 | 22.18 | a | 23.16 | 28.70 | 38.68 | 53.03 | 56.07 | a | 53.87 | a | 48.41 | a | 30.87 | 22.90 | 23.40 | a | 35.32 | ||||||||
1981 | 19.43 | a | 19.89 | 24.94 | 35.37 | 41.30 | a | 51.73 | 55.86 | c | 53.10 | b | 48.73 | 37.39 | 27.53 | 19.52 | 36.23 | |||||||||
1982 | 17.73 | e | 18.92 | d | 25.59 | d | 31.72 | e | 38.97 | a | 46.28 | a | 54.72 | b | 53.75 | c | 47.50 | b | 31.81 | e | 25.24 | e | 15.32 | f | 35.66 | a |
1983 | 19.08 | f | 20.12 | d | 24.21 | c | 26.64 | b | 34.68 | 47.44 | c | 52.52 | b | 53.81 | 49.38 | f | 38.93 | d | 26.60 | e | 17.52 | d | 34.25 | b | ||
1984 | 16.58 | e | 18.39 | f | 22.25 | c | 26.50 | b | 39.53 | p | 50.28 | e | 52.03 | b | 51.35 | k | 45.50 | h | 34.92 | e | 26.04 | f | 21.26 | h | 33.76 | f |
1985 | 12.73 | i | 15.45 | f | 28.86 | c | 35.72 | a | 41.45 | b | 50.17 | 53.00 | b | 54.28 | f | 45.94 | m | 37.90 | 29.20 | 21.29 | c | 37.20 | d | |||
1986 | 20.45 | b | 22.78 | a | 30.33 | d | 36.23 | 41.19 | 50.29 | i | 53.97 | 54.61 | 45.58 | f | 38.00 | n | 25.00 | e | 20.19 | 33.86 | c | |||||
1987 | 17.58 | e | 20.82 | 25.20 | a | 27.92 | d | 41.27 | a | 49.90 | a | 52.79 | g | 53.93 | b | 47.00 | f | 39.60 | a | 26.90 | 18.06 | 32.12 | b | |||
1988 | 19.54 | g | 22.05 | g | 23.06 | 31.07 | 38.52 | 50.87 | 54.74 | 55.13 | a | 46.69 | a | 37.62 | b | 27.33 | 16.60 | a | 38.16 | b | ||||||
1989 | 20.13 | 21.71 | 28.58 | 34.55 | a | 43.65 | 50.17 | 54.33 | a | 52.84 | 47.75 | n | 35.30 | a | 28.23 | 15.55 | 35.00 | a | ||||||||
1990 | 16.59 | b | 20.26 | e | 26.23 | i | 31.15 | j | 40.71 | 53.70 | 53.35 | e | 51.77 | 49.96 | f | 37.56 | d | 26.67 | 22.00 | n | 37.57 | d | ||||
1991 | 20.10 | 24.00 | 25.41 | b | 31.87 | 41.07 | a | 48.27 | 53.85 | d | 54.65 | 47.00 | a | 34.77 | 25.03 | a | 20.65 | 35.56 | ||||||||
1992 | 15.20 | f | 23.76 | h | 27.31 | b | 36.90 | 42.97 | 48.10 | 53.06 | 51.75 | g | 49.73 | ----- | z | ----- | z | ----- | z | 43.01 | f | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 18.68 | 20.89 | 25.89 | 32.17 | 40.34 | 49.85 | 54.18 | 53.53 | 47.65 | 36.07 | 26.32 | 19.53 | 35.41 | |||||||||||||
S.D. | 2.28 | 1.69 | 2.38 | 3.57 | 2.24 | 2.18 | 1.32 | 1.06 | 1.38 | 2.68 | 2.47 | 2.62 | 0.70 | |||||||||||||
SKEW | -0.14 | 0.23 | 0.26 | -0.35 | -0.98 | 0.19 | 0.11 | -0.33 | -0.25 | -0.69 | -0.47 | 0.19 | -0.12 | |||||||||||||
MAX | 22.61 | 24.00 | 30.33 | 36.90 | 43.65 | 53.70 | 56.27 | 55.13 | 49.73 | 39.60 | 30.32 | 23.65 | 36.23 | |||||||||||||
MIN | 14.58 | 18.21 | 22.25 | 26.50 | 34.68 | 46.28 | 52.03 | 51.77 | 45.24 | 30.87 | 21.20 | 15.55 | 34.54 | |||||||||||||
YRS | 11 | 11 | 14 | 14 | 14 | 13 | 14 | 12 | 8 | 12 | 13 | 11 | 4 |