YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1981 | ----- | z | 19.07 | 31.71 | 41.43 | 47.76 | b | 62.17 | 65.29 | 61.65 | 54.47 | 42.68 | 31.60 | 20.65 | 43.50 | a | ||||||||||
1982 | 15.58 | 14.11 | a | 29.13 | 36.03 | 49.55 | 56.20 | 64.03 | 64.33 | a | 54.93 | 40.13 | 26.10 | 20.71 | 39.24 | |||||||||||
1983 | 21.55 | 24.50 | 29.94 | 33.60 | 43.93 | a | 55.20 | 64.39 | 64.77 | 55.93 | 44.81 | 29.87 | 10.35 | 39.90 | ||||||||||||
1984 | 12.87 | 24.45 | 26.97 | 34.23 | 51.03 | 58.73 | 62.74 | 61.58 | 51.40 | 41.10 | 28.60 | 24.06 | 39.81 | |||||||||||||
1985 | 15.23 | 19.71 | 30.52 | 40.00 | 50.45 | 57.80 | 62.84 | 62.45 | 53.27 | 39.58 | 25.57 | 16.87 | 39.52 | |||||||||||||
1986 | 21.84 | 22.00 | 31.97 | 39.90 | 47.90 | 60.07 | 64.68 | 62.16 | 54.90 | 40.94 | 25.07 | 20.06 | 40.96 | |||||||||||||
1987 | 18.65 | 28.39 | 27.32 | 36.10 | 51.65 | 59.57 | 63.58 | 62.90 | 52.27 | 38.13 | a | 29.28 | a | 19.58 | 40.62 | |||||||||||
1988 | 13.97 | 19.79 | 26.84 | 35.93 | 50.00 | 60.50 | 62.32 | 63.29 | 52.70 | 38.48 | 28.63 | 19.23 | 39.31 | |||||||||||||
1989 | 18.07 | a | 15.82 | 26.77 | 39.13 | 52.10 | 56.10 | 60.68 | 62.52 | 50.10 | 38.32 | 24.90 | 14.35 | 38.24 | ||||||||||||
1990 | 17.39 | 22.75 | 31.42 | 38.37 | 46.61 | 61.43 | 62.77 | a | 60.97 | 56.70 | 38.58 | 29.87 | 12.48 | 39.94 | ||||||||||||
1991 | 16.90 | 23.29 | 30.16 | 39.17 | 51.71 | 60.43 | 62.90 | 62.35 | 52.87 | 38.06 | ----- | z | ----- | z | 43.78 | b | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 17.20 | 21.26 | 29.34 | 37.63 | 49.34 | 58.93 | 63.29 | 62.63 | 53.59 | 40.07 | 27.95 | 17.84 | 39.73 | |||||||||||||
S.D. | 2.96 | 4.10 | 2.05 | 2.57 | 2.54 | 2.32 | 1.28 | 1.15 | 1.99 | 2.16 | 2.36 | 4.25 | 0.80 | |||||||||||||
SKEW | 0.26 | -0.16 | -0.14 | -0.18 | -0.84 | -0.31 | -0.34 | 0.56 | -0.11 | 1.00 | -0.06 | -0.47 | -0.24 | |||||||||||||
MAX | 21.84 | 28.39 | 31.97 | 41.43 | 52.10 | 62.17 | 65.29 | 64.77 | 56.70 | 44.81 | 31.60 | 24.06 | 40.96 | |||||||||||||
MIN | 12.87 | 14.11 | 26.77 | 33.60 | 43.93 | 55.20 | 60.68 | 60.97 | 50.10 | 38.06 | 24.90 | 10.35 | 38.24 | |||||||||||||
YRS | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 9 |