YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 96.50 | l | 88.94 | 78.43 | 69.52 | 78.96 | i | |||
1963 | 63.16 | 73.54 | 74.23 | 80.77 | 95.68 | 97.97 | 105.55 | 99.03 | 99.83 | a | 91.00 | 74.57 | 67.23 | 85.21 | ||||||||||||
1964 | 61.39 | 63.76 | 68.87 | 80.00 | 89.52 | 98.43 | 103.19 | 97.97 | 93.69 | a | 89.55 | 69.03 | 64.26 | 81.64 | ||||||||||||
1965 | 65.29 | 65.96 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 65.63 | j | ||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | 94.42 | 98.97 | 104.77 | 106.16 | 99.63 | 83.65 | 73.80 | 67.55 | 91.12 | d | ||||||||
1970 | 66.03 | 73.18 | 71.00 | 78.53 | 95.06 | 102.63 | 107.00 | 104.58 | 94.47 | 83.26 | 76.30 | 65.84 | 84.82 | |||||||||||||
1971 | 67.48 | 69.50 | 78.58 | 81.90 | 87.71 | 100.83 | 106.48 | 98.87 | 97.40 | 80.23 | 73.23 | 61.52 | 83.64 | |||||||||||||
1972 | 66.84 | 74.59 | 85.03 | 85.37 | 93.13 | 101.33 | 107.06 | 101.68 | 98.07 | 81.39 | 68.13 | 62.13 | 85.40 | |||||||||||||
1973 | 61.35 | 66.36 | 65.26 | 79.80 | 94.90 | 103.03 | ----- | z | 104.84 | 99.60 | 88.78 | h | 74.27 | 68.81 | 81.82 | b | ||||||||||
1974 | 64.52 | 71.36 | c | 76.90 | 84.80 | 94.32 | 106.60 | 101.61 | 101.68 | 97.23 | 86.10 | 73.33 | 60.94 | 84.95 | ||||||||||||
1975 | 64.84 | 67.29 | 72.06 | 75.70 | 90.55 | 99.97 | 102.87 | 103.42 | 96.50 | 88.26 | 75.73 | 67.10 | 83.69 | |||||||||||||
1976 | 68.45 | 71.59 | 74.03 | 81.23 | 92.65 | 102.37 | 101.68 | 102.87 | 93.97 | 83.10 | 75.70 | 68.32 | 84.66 | |||||||||||||
1977 | 64.68 | 74.46 | 72.48 | 86.55 | a | 87.06 | 103.53 | 104.61 | 103.77 | 97.66 | a | 90.17 | a | 78.63 | 71.23 | a | 86.24 | |||||||||
1978 | 63.81 | 66.00 | 75.35 | 82.67 | 92.10 | 106.00 | 105.39 | 102.26 | 96.67 | 89.13 | a | 71.13 | 63.97 | 84.54 | ||||||||||||
1979 | 57.16 | 68.32 | 70.00 | 85.90 | 87.48 | 106.93 | 109.03 | 99.67 | a | 101.17 | 91.87 | 73.27 | 71.16 | 85.16 | ||||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 64.23 | 69.68 | 73.65 | 81.93 | 91.89 | 102.20 | 104.94 | 102.06 | 97.37 | 86.66 | 73.97 | 66.40 | 84.54 | |||||||||||||
S.D. | 3.00 | 3.67 | 5.09 | 3.28 | 3.10 | 3.01 | 2.29 | 2.56 | 2.34 | 3.91 | 3.06 | 3.40 | 1.21 | |||||||||||||
SKEW | -0.86 | -0.04 | 0.62 | -0.20 | -0.41 | 0.23 | 0.04 | -0.15 | -0.16 | -0.30 | -0.36 | -0.21 | -1.16 | |||||||||||||
MAX | 68.45 | 74.59 | 85.03 | 86.55 | 95.68 | 106.93 | 109.03 | 106.16 | 101.17 | 91.87 | 78.63 | 71.23 | 86.24 | |||||||||||||
MIN | 57.16 | 63.76 | 65.26 | 75.70 | 87.06 | 97.97 | 101.61 | 97.97 | 93.69 | 80.23 | 68.13 | 60.94 | 81.64 | |||||||||||||
YRS | 13 | 13 | 12 | 12 | 13 | 13 | 12 | 13 | 13 | 13 | 14 | 14 | 11 |