YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | 41.95 | k | 43.73 | d | 57.16 | 52.16 | 46.10 | 37.52 | 20.31 | a | 19.79 | b | 39.54 | e | ||||
1980 | 17.52 | b | 22.93 | 19.81 | 30.12 | f | 41.73 | a | 48.35 | j | 51.89 | c | 55.66 | b | 52.03 | 37.83 | a | 30.80 | 26.00 | 35.62 | b | |||||
1981 | 21.39 | 23.68 | 27.71 | 37.40 | 41.84 | 57.10 | a | 62.03 | a | 58.23 | a | 52.00 | 40.35 | 29.13 | 24.83 | g | 40.99 | a | ||||||||
1982 | 21.33 | a | 22.18 | 33.54 | c | 35.43 | 42.73 | a | 51.27 | 59.00 | 59.87 | 52.27 | 34.28 | b | 26.87 | 21.13 | 38.32 | |||||||||
1983 | 19.40 | a | 24.18 | 30.71 | 30.50 | f | 38.45 | 50.90 | 57.39 | 59.00 | 53.00 | a | 41.65 | 28.21 | a | 22.40 | a | 38.66 | a | |||||||
1984 | 17.73 | a | 19.69 | 24.86 | c | 28.89 | c | 46.80 | a | 50.07 | 59.07 | b | 57.55 | 51.23 | 36.87 | 27.93 | c | 23.13 | 36.98 | |||||||
1985 | 20.54 | c | 22.25 | 27.83 | a | 36.40 | 43.22 | d | 52.07 | b | 58.87 | 59.16 | 43.72 | a | 39.45 | 28.87 | 21.52 | 37.83 | ||||||||
1986 | 23.74 | 28.04 | 32.97 | 34.30 | 43.23 | 56.50 | f | 58.81 | 58.74 | 46.57 | b | 35.80 | a | 31.43 | 22.77 | 37.85 | a | |||||||||
1987 | 17.55 | 25.79 | 25.97 | 35.53 | 43.74 | 55.31 | a | 57.77 | 57.13 | 49.47 | 43.30 | a | 23.85 | j | 16.25 | c | 38.89 | a | ||||||||
1988 | 14.61 | 24.10 | 21.45 | b | 35.10 | 44.38 | b | 54.13 | 59.73 | a | 59.71 | 49.28 | a | 43.15 | d | 19.71 | p | 17.35 | 38.45 | a | ||||||
1989 | 15.13 | 23.82 | 33.03 | a | 40.10 | a | 46.87 | a | 54.00 | b | 60.81 | 57.35 | 51.46 | b | 38.90 | a | 27.33 | 19.18 | c | 39.00 | ||||||
1990 | 14.63 | a | 19.79 | 30.77 | a | 37.26 | c | 42.43 | a | 57.20 | 58.10 | a | 58.38 | g | 53.56 | c | 38.23 | a | 28.61 | g | 11.79 | b | 36.38 | b | ||
1991 | 17.13 | a | 24.14 | 26.60 | a | 32.33 | 38.10 | b | 49.43 | b | 60.31 | b | 59.00 | d | 51.56 | e | 40.68 | c | 28.69 | a | 22.21 | b | 37.52 | |||
1992 | 17.04 | e | 25.90 | 31.87 | h | 41.00 | 45.76 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 27.98 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 18.29 | 23.58 | 27.94 | 35.80 | 42.79 | 52.29 | 58.53 | 57.80 | 50.17 | 39.08 | 27.96 | 20.29 | 37.93 | |||||||||||||
S.D. | 2.83 | 2.32 | 4.49 | 3.37 | 2.69 | 3.90 | 2.43 | 2.15 | 3.00 | 2.72 | 3.04 | 3.76 | 0.77 | |||||||||||||
SKEW | 0.38 | -0.04 | -0.39 | -0.40 | -0.25 | -0.70 | -1.43 | -1.59 | -0.95 | 0.01 | -1.59 | -0.83 | 0.22 | |||||||||||||
MAX | 23.74 | 28.04 | 33.54 | 41.00 | 46.87 | 57.20 | 62.03 | 59.87 | 53.56 | 43.30 | 31.43 | 26.00 | 39.00 | |||||||||||||
MIN | 14.61 | 19.69 | 19.81 | 28.89 | 38.10 | 43.73 | 51.89 | 52.16 | 43.72 | 34.28 | 20.31 | 11.79 | 36.98 | |||||||||||||
YRS | 13 | 13 | 12 | 11 | 12 | 11 | 13 | 12 | 13 | 13 | 10 | 12 | 5 |