YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 72.93 | p | ----- | z | ----- | z |
1969 | ----- | z | 64.55 | f | ----- | z | ----- | z | 97.24 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.58 | e | 82.41 | j |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | 60.29 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.29 | k | |
1975 | ----- | z | 67.39 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.39 | k | |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 107.23 | 101.57 | 91.74 | 77.30 | 69.62 | b | 89.49 | g | ||||
1978 | 63.03 | a | 68.07 | 77.61 | 82.47 | 93.48 | 107.73 | 111.52 | 108.23 | 99.37 | 92.90 | 71.03 | 59.72 | b | 86.26 | |||||||||||
1979 | 54.87 | 67.82 | 73.87 | 86.57 | 94.32 | 106.30 | 109.90 | 105.42 | 107.07 | 92.39 | 71.90 | 67.68 | 86.51 | |||||||||||||
1980 | 65.00 | 71.55 | 73.10 | 84.67 | 89.19 | 104.93 | 111.94 | 109.00 | 102.33 | 91.35 | 77.03 | 72.16 | 87.69 | |||||||||||||
1981 | 69.90 | 72.07 | 75.84 | 90.10 | 94.19 | 108.97 | 111.06 | 111.26 | 102.23 | 84.52 | 78.13 | 67.81 | 88.84 | |||||||||||||
1982 | 64.26 | 70.36 | 74.13 | 84.53 | 94.39 | 102.70 | 107.35 | 106.00 | 100.07 | 84.39 | 69.57 | 61.97 | b | 84.98 | ||||||||||||
1983 | 65.68 | 68.57 | 73.90 | 78.79 | a | 94.77 | 103.30 | 108.93 | a | 103.35 | 102.25 | b | 87.35 | 74.77 | 65.97 | 85.64 | ||||||||||
1984 | 66.81 | 70.66 | 79.52 | 83.67 | 102.03 | 103.77 | 107.03 | 106.55 | 103.57 | 84.03 | 73.07 | 60.00 | 86.72 | |||||||||||||
1985 | 62.19 | 66.07 | 75.58 | 90.90 | a | 97.71 | 108.47 | 110.90 | 110.19 | 94.53 | 87.52 | 70.70 | 66.48 | 86.77 | ||||||||||||
1986 | 71.19 | 72.18 | 83.10 | 86.37 | 97.68 | 108.50 | 106.94 | 109.29 | 95.77 | 85.77 | 75.10 | 63.67 | a | 87.96 | ||||||||||||
1987 | 61.71 | 70.18 | 74.84 | 91.17 | 95.55 | 107.97 | 108.10 | 107.58 | 101.90 | 91.37 | a | 72.27 | 59.94 | 86.88 | ||||||||||||
1988 | 63.06 | 72.03 | 79.48 | 86.31 | a | 95.58 | 106.13 | 111.77 | 107.23 | 101.40 | 96.81 | 76.52 | a | 65.61 | 88.50 | |||||||||||
1989 | 62.06 | 73.23 | b | 84.90 | a | 95.40 | 97.90 | 106.23 | 112.39 | 107.58 | 103.20 | 90.06 | 78.43 | 67.45 | 89.90 | |||||||||||
1990 | 63.52 | 67.32 | 81.16 | 88.60 | 93.81 | 106.93 | 109.55 | 106.55 | 102.67 | 91.84 | 76.13 | 60.84 | 87.41 | |||||||||||||
1991 | 62.61 | 76.57 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.59 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 63.75 | 70.27 | 77.46 | 86.89 | 95.56 | 106.30 | 109.80 | 107.53 | 101.28 | 89.43 | 74.43 | 65.10 | 87.24 | |||||||||||||
S.D. | 3.88 | 2.79 | 3.85 | 4.35 | 2.94 | 2.08 | 1.97 | 2.02 | 3.15 | 3.87 | 2.97 | 3.88 | 1.35 | |||||||||||||
SKEW | -0.10 | 0.49 | 0.63 | 0.13 | 0.09 | -0.43 | -0.25 | -0.08 | -0.68 | 0.06 | -0.19 | -0.03 | 0.30 | |||||||||||||
MAX | 71.19 | 76.57 | 84.90 | 95.40 | 102.03 | 108.97 | 112.39 | 111.26 | 107.07 | 96.81 | 78.43 | 72.16 | 89.90 | |||||||||||||
MIN | 54.87 | 66.07 | 73.10 | 78.79 | 89.19 | 102.70 | 106.94 | 103.35 | 94.53 | 84.03 | 69.57 | 59.72 | 84.98 | |||||||||||||
YRS | 15 | 15 | 13 | 13 | 14 | 13 | 13 | 14 | 14 | 14 | 14 | 15 | 13 |