YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1981 | ----- | z | 40.00 | 46.06 | 60.25 | 61.10 | b | 79.03 | 79.29 | 74.89 | 69.93 | 56.89 | 47.13 | 35.19 | 59.07 | a | ||||||||||
1982 | 32.29 | 29.59 | a | 45.60 | 52.52 | 63.79 | 70.88 | a | 79.97 | 79.38 | a | 70.60 | 56.66 | 41.52 | 34.63 | 54.79 | ||||||||||
1983 | 32.39 | 35.93 | 42.29 | 47.87 | 59.60 | a | 69.97 | 80.97 | 82.00 | 72.72 | 59.52 | 44.52 | 21.47 | 54.10 | ||||||||||||
1984 | 26.89 | 40.03 | 41.55 | 48.22 | 64.60 | 74.43 | 78.29 | 78.11 | 67.30 | 53.34 | 44.50 | 36.27 | 54.46 | |||||||||||||
1985 | 26.61 | 33.77 | 46.50 | 57.03 | 65.79 | 74.68 | 79.37 | a | 77.76 | 66.77 | 55.02 | 38.53 | 31.10 | 54.41 | ||||||||||||
1986 | 41.15 | 38.00 | 50.69 | 57.55 | 64.44 | 75.20 | 80.32 | 75.61 | 69.47 | 55.48 | 41.17 | 33.42 | 56.87 | |||||||||||||
1987 | 32.45 | 40.39 | 42.29 | 54.38 | 65.98 | 74.77 | 78.40 | 77.65 | 68.02 | 56.63 | a | 43.83 | a | 33.37 | 55.68 | |||||||||||
1988 | 26.74 | 36.03 | 44.66 | 52.62 | 64.47 | 76.90 | 79.00 | 79.40 | 67.92 | 55.81 | 44.95 | 36.92 | 55.45 | |||||||||||||
1989 | 36.47 | a | 28.05 | 46.95 | 58.05 | 65.94 | 68.08 | 75.98 | 74.74 | 65.53 | 57.66 | 44.75 | 30.27 | 54.37 | ||||||||||||
1990 | 33.52 | 34.80 | 46.32 | 55.57 | 61.87 | 77.77 | 77.30 | a | 77.06 | 72.52 | 57.90 | 48.02 | 28.55 | 55.93 | ||||||||||||
1991 | 29.60 | 42.52 | 47.34 | 55.53 | 67.19 | 75.28 | 78.19 | 77.13 | 69.33 | 57.21 | ----- | z | ----- | z | 59.93 | b | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 31.81 | 36.28 | 45.48 | 54.51 | 64.07 | 74.27 | 78.83 | 77.61 | 69.10 | 56.56 | 43.89 | 32.12 | 55.12 | |||||||||||||
S.D. | 4.65 | 4.56 | 2.67 | 3.93 | 2.33 | 3.35 | 1.41 | 2.15 | 2.28 | 1.64 | 2.83 | 4.59 | 0.92 | |||||||||||||
SKEW | 0.61 | -0.50 | 0.15 | -0.48 | -0.64 | -0.52 | -0.45 | 0.46 | 0.22 | -0.20 | -0.42 | -1.24 | 0.68 | |||||||||||||
MAX | 41.15 | 42.52 | 50.69 | 60.25 | 67.19 | 79.03 | 80.97 | 82.00 | 72.72 | 59.52 | 48.02 | 36.92 | 56.87 | |||||||||||||
MIN | 26.61 | 28.05 | 41.55 | 47.87 | 59.60 | 68.08 | 75.98 | 74.74 | 65.53 | 53.34 | 38.53 | 21.47 | 54.10 | |||||||||||||
YRS | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 9 |