YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 23.46 | c | 13.80 | d | 18.63 | j |
1984 | 14.46 | c | 16.56 | d | 18.18 | c | 22.94 | c | 38.15 | a | 44.12 | b | 51.68 | 48.28 | a | 42.94 | f | 23.82 | f | 18.86 | e | 15.61 | d | 28.89 | b | |
1985 | 10.57 | d | 11.07 | h | 19.30 | i | 27.48 | d | 34.56 | 44.39 | c | 46.76 | 48.06 | 37.43 | a | 32.69 | b | 18.42 | d | 16.04 | h | 33.37 | c | |||
1986 | 20.02 | g | 15.57 | f | 24.82 | c | 27.73 | d | 33.48 | b | 45.50 | 47.48 | a | 48.00 | 40.25 | 28.62 | a | 22.19 | d | 12.77 | e | 33.08 | b | |||
1987 | 10.79 | c | 14.04 | a | 16.19 | d | 28.33 | g | 34.72 | b | 44.98 | b | 49.10 | a | 45.36 | b | 38.92 | d | 33.30 | c | 18.71 | b | 7.92 | f | 30.61 | b |
1988 | 7.06 | e | 13.50 | b | 11.73 | c | 22.81 | c | 30.29 | c | 44.35 | 47.65 | a | 47.39 | 38.28 | 33.79 | 16.42 | d | 9.94 | f | 28.48 | a | ||||
1989 | 14.46 | f | ----- | z | 22.48 | c | 25.32 | 34.02 | 40.10 | a | 48.69 | 45.03 | a | 40.76 | c | 29.69 | 21.14 | b | 10.66 | 31.79 | b | |||||
1990 | 12.53 | 13.41 | a | ----- | z | ----- | z | ----- | z | 53.88 | m | ----- | z | 49.34 | 47.25 | 34.97 | 26.83 | 14.52 | a | 28.41 | e | |||||
1991 | 14.55 | 21.65 | a | 21.13 | 27.41 | b | 39.68 | 47.93 | 50.66 | 50.08 | 42.84 | a | 35.15 | a | 21.27 | 18.84 | 32.60 | |||||||||
1992 | 17.98 | 18.48 | 24.92 | 34.63 | 40.55 | 44.88 | 51.06 | 49.79 | 45.97 | 37.95 | a | 17.55 | 16.65 | a | 33.37 | |||||||||||
1993 | 17.75 | a | 16.91 | 24.62 | a | 27.98 | a | 38.79 | 45.82 | 52.95 | 49.74 | 42.82 | b | 32.15 | 19.26 | a | 18.35 | 32.26 | ||||||||
1994 | 16.68 | c | 16.65 | a | 25.71 | 29.18 | 42.32 | 52.33 | 53.61 | 53.39 | 45.78 | 32.74 | 21.27 | b | 20.68 | 34.20 | ||||||||||
1995 | 16.53 | 23.44 | a | 23.88 | b | 25.47 | 33.10 | 43.10 | a | 51.36 | b | 54.02 | 43.17 | 33.63 | 28.44 | d | 18.73 | a | 32.91 | |||||||
1996 | 15.97 | 21.72 | 21.35 | a | 28.83 | a | 42.11 | ----- | z | 54.23 | 52.21 | 42.28 | a | 35.50 | b | 25.94 | c | 15.24 | d | 32.31 | a | |||||
1997 | 17.17 | a | 14.80 | 27.02 | 23.88 | a | 38.50 | b | 48.53 | a | 52.97 | 50.62 | a | 46.57 | 34.18 | 20.88 | a | 14.08 | 32.43 | |||||||
1998 | 18.17 | a | 15.62 | 21.60 | 24.75 | 40.08 | 46.17 | 54.95 | 51.95 | 48.66 | a | 35.57 | b | ----- | z | 13.67 | p | 35.75 | b | |||||||
1999 | 18.52 | f | 21.70 | c | 27.63 | d | 26.60 | d | 35.96 | g | 46.83 | d | 52.62 | k | 50.42 | f | 44.06 | e | 36.73 | e | 33.79 | k | ----- | z | 33.92 | f |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 14.63 | 17.58 | 22.23 | 26.79 | 37.17 | 45.65 | 50.94 | 49.55 | 43.00 | 33.78 | 21.38 | 15.83 | 32.96 | |||||||||||||
S.D. | 3.45 | 3.49 | 4.40 | 3.06 | 3.75 | 2.83 | 2.66 | 2.64 | 3.42 | 2.45 | 3.50 | 2.91 | 0.72 | |||||||||||||
SKEW | -0.89 | 0.40 | -1.01 | 0.98 | -0.25 | 0.50 | -0.13 | -0.02 | -0.05 | -0.49 | 0.64 | -0.00 | 0.83 | |||||||||||||
MAX | 18.17 | 23.44 | 27.63 | 34.63 | 42.32 | 52.33 | 54.95 | 54.02 | 48.66 | 37.95 | 28.44 | 20.68 | 34.20 | |||||||||||||
MIN | 7.06 | 13.41 | 11.73 | 22.81 | 30.29 | 40.10 | 46.76 | 45.03 | 37.43 | 28.62 | 16.42 | 10.66 | 32.26 | |||||||||||||
YRS | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 12 | 6 |