YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1981 | ----- | z | 87.00 | 82.00 | 94.00 | 88.00 | 109.00 | 109.00 | 99.00 | 94.00 | 87.00 | 79.00 | 75.00 | ----- | z | |||||||||||
1982 | 82.00 | 87.00 | 79.00 | 88.00 | 90.00 | 100.00 | a | 105.00 | 102.00 | a | 100.00 | 88.00 | 75.00 | 72.00 | 105.00 | b | ||||||||||
1983 | 63.00 | 64.00 | 80.00 | 89.00 | 92.00 | 100.00 | 102.00 | 104.00 | 101.00 | 92.00 | 78.00 | 62.00 | 104.00 | |||||||||||||
1984 | 65.00 | 75.00 | 82.00 | 83.00 | 98.00 | 100.00 | 103.00 | 104.00 | 103.00 | 87.00 | 77.00 | 72.00 | 104.00 | |||||||||||||
1985 | 63.00 | 71.00 | 82.00 | 90.00 | 95.00 | 108.00 | 105.00 | a | 103.00 | 98.00 | 89.00 | 75.00 | 63.00 | 108.00 | a | |||||||||||
1986 | 83.00 | 81.00 | 88.00 | 93.00 | 94.00 | 104.00 | 106.00 | 102.00 | 96.00 | 85.00 | 76.00 | 58.00 | 106.00 | |||||||||||||
1987 | 72.00 | 72.00 | 77.00 | 93.00 | 92.00 | 103.00 | 102.00 | 107.00 | 97.00 | 93.00 | a | 80.00 | 71.00 | 107.00 | a | |||||||||||
1988 | 65.00 | 73.00 | 86.00 | 88.00 | 92.00 | 105.00 | 107.00 | 106.00 | 102.00 | 88.00 | 83.00 | 76.00 | 107.00 | |||||||||||||
1989 | 81.00 | 82.00 | 92.00 | 100.00 | 97.00 | 95.00 | 100.00 | 104.00 | 96.00 | 94.00 | 83.00 | 72.00 | 104.00 | |||||||||||||
1990 | 79.00 | 68.00 | 89.00 | 87.00 | 98.00 | 108.00 | 105.00 | 106.00 | 102.00 | 93.00 | 83.00 | 72.00 | 108.00 | |||||||||||||
1991 | 66.00 | 75.00 | 82.00 | 86.00 | 94.00 | 102.00 | 106.00 | 102.00 | 98.00 | 96.00 | ----- | z | ----- | z | ----- | z | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 71.90 | 75.91 | 83.55 | 90.09 | 93.64 | 103.09 | 104.55 | 103.55 | 98.82 | 90.18 | 78.90 | 69.30 | 105.89 | |||||||||||||
S.D. | 8.48 | 7.50 | 4.61 | 4.66 | 3.23 | 4.28 | 2.58 | 2.30 | 2.96 | 3.54 | 3.25 | 6.06 | 1.69 | |||||||||||||
SKEW | 0.24 | 0.17 | 0.47 | 0.63 | -0.10 | -0.23 | -0.13 | -0.30 | -0.06 | 0.18 | 0.20 | -0.80 | 0.02 | |||||||||||||
MAX | 83.00 | 87.00 | 92.00 | 100.00 | 98.00 | 109.00 | 109.00 | 107.00 | 103.00 | 96.00 | 83.00 | 76.00 | 108.00 | |||||||||||||
MIN | 63.00 | 64.00 | 77.00 | 83.00 | 88.00 | 95.00 | 100.00 | 99.00 | 94.00 | 85.00 | 75.00 | 58.00 | 104.00 | |||||||||||||
YRS | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 9 |