YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1981 | ----- | z | 60.93 | 60.42 | 79.07 | 74.65 | 95.90 | 93.29 | 88.13 | 85.40 | 71.10 | 62.67 | 49.74 | 74.66 | a | |||||||||||
1982 | 49.00 | 45.71 | 62.06 | 69.00 | 78.03 | 85.14 | a | 95.90 | 94.43 | a | 86.27 | 73.19 | 56.93 | 48.55 | 70.35 | |||||||||||
1983 | 43.23 | 47.36 | 54.65 | 62.13 | 75.16 | 84.73 | 97.55 | 99.23 | 89.50 | 74.23 | 59.17 | 32.58 | 68.29 | |||||||||||||
1984 | 40.90 | 55.62 | 56.13 | 62.20 | 78.16 | 90.13 | 93.84 | 94.65 | 83.20 | 65.58 | 60.40 | 48.48 | 69.11 | |||||||||||||
1985 | 38.00 | 47.82 | 62.48 | 74.07 | 81.13 | 91.57 | 95.87 | a | 93.06 | 80.27 | 70.45 | 51.50 | 45.32 | 69.29 | ||||||||||||
1986 | 60.45 | 54.00 | 69.42 | 75.20 | 80.97 | 90.33 | 95.97 | 89.06 | 84.03 | 70.03 | 57.27 | 46.77 | 72.79 | |||||||||||||
1987 | 46.26 | 52.39 | 57.26 | 72.67 | 80.32 | 89.97 | 93.23 | 92.39 | 83.77 | 75.13 | a | 58.33 | 47.16 | 70.74 | ||||||||||||
1988 | 39.52 | 52.28 | 62.48 | 69.30 | 78.94 | 93.30 | 95.68 | 95.52 | 83.13 | 73.13 | 61.27 | 54.61 | 71.60 | |||||||||||||
1989 | 54.48 | 40.29 | 67.13 | 76.97 | 79.77 | 80.07 | 91.29 | 86.97 | 80.97 | 77.00 | 64.60 | 46.19 | 70.48 | |||||||||||||
1990 | 49.65 | 46.86 | 61.23 | 72.77 | 77.13 | 94.10 | 91.45 | 93.16 | 88.33 | 77.23 | 66.17 | 44.61 | 71.89 | |||||||||||||
1991 | 42.29 | 61.75 | 64.52 | 71.90 | 82.68 | 90.13 | 93.48 | 91.90 | 85.80 | 76.35 | ----- | z | ----- | z | 76.08 | b | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 46.38 | 51.36 | 61.62 | 71.39 | 78.81 | 89.58 | 94.32 | 92.59 | 84.61 | 73.04 | 59.83 | 46.40 | 70.50 | |||||||||||||
S.D. | 7.11 | 6.56 | 4.48 | 5.44 | 2.50 | 4.62 | 2.01 | 3.54 | 2.83 | 3.54 | 4.22 | 5.61 | 1.45 | |||||||||||||
SKEW | 0.72 | 0.13 | 0.09 | -0.58 | -0.28 | -0.70 | -0.08 | 0.05 | 0.18 | -0.67 | -0.36 | -1.35 | 0.03 | |||||||||||||
MAX | 60.45 | 61.75 | 69.42 | 79.07 | 82.68 | 95.90 | 97.55 | 99.23 | 89.50 | 77.23 | 66.17 | 54.61 | 72.79 | |||||||||||||
MIN | 38.00 | 40.29 | 54.65 | 62.13 | 74.65 | 80.07 | 91.29 | 86.97 | 80.27 | 65.58 | 51.50 | 32.58 | 68.29 | |||||||||||||
YRS | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 9 |