YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | 82.50 | m | 86.37 | 98.87 | 100.43 | j | 88.54 | b | 84.65 | 65.47 | 51.97 | a | 79.31 | f | ||||
1966 | 53.70 | a | 51.67 | a | 67.81 | 78.90 | 89.39 | 94.12 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 72.60 | f | |||
1967 | ----- | z | 60.71 | n | 66.69 | b | 64.66 | a | 80.52 | f | 89.14 | b | 101.17 | b | 99.68 | c | 87.96 | c | 81.10 | b | 66.25 | b | 47.34 | b | 78.22 | c |
1968 | 54.74 | 63.42 | c | 66.59 | d | 70.39 | b | 84.11 | c | 95.07 | b | 98.62 | g | 92.19 | e | 91.45 | a | 79.89 | c | 65.23 | 50.73 | a | 73.98 | a | ||
1969 | 53.67 | a | 51.36 | c | 61.48 | 75.74 | c | 86.69 | b | 89.52 | c | 99.18 | c | 102.00 | e | 92.00 | c | 71.93 | a | 65.29 | b | 58.35 | e | 75.60 | ||
1970 | 55.20 | a | 64.45 | f | 62.43 | a | 68.73 | d | 85.85 | e | 94.69 | d | 100.53 | a | 98.56 | d | 88.93 | 75.31 | e | 65.00 | b | 50.90 | a | 76.92 | a | |
1971 | 54.00 | c | 60.15 | b | 65.71 | c | 71.84 | e | 75.38 | b | 92.75 | b | 103.57 | c | 96.46 | e | 89.62 | i | 71.75 | c | 61.96 | b | 47.28 | b | 72.81 | a |
1972 | 54.32 | c | 64.85 | c | 75.39 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.58 | j |
1973 | ----- | z | ----- | z | 57.28 | b | 71.34 | a | 87.73 | e | 97.77 | h | 103.00 | c | 99.46 | e | 93.82 | s | 82.50 | c | 61.34 | a | 57.08 | e | 77.47 | d |
1974 | 45.37 | a | 57.93 | a | 67.58 | 71.69 | a | 86.31 | e | 100.79 | a | 99.92 | e | 99.08 | g | 94.00 | f | 81.08 | e | 63.75 | n | 52.33 | a | 73.67 | c | |
1975 | 53.97 | b | 53.42 | d | 58.41 | b | 62.93 | 79.10 | a | 93.78 | c | 100.23 | 97.26 | 92.41 | a | 77.71 | 65.31 | a | 59.36 | c | 74.49 | |||||
1976 | 60.12 | e | 60.03 | 62.29 | 68.97 | 85.74 | 93.13 | 99.52 | 94.32 | 86.40 | 75.64 | i | 71.23 | h | 59.87 | a | 77.04 | b | ||||||||
1977 | 53.21 | b | 66.44 | a | 60.61 | c | 77.90 | 73.35 | 96.00 | 99.29 | 98.53 | a | 88.70 | 82.39 | 67.83 | 59.26 | 76.96 | |||||||||
1978 | 52.55 | 57.50 | 64.61 | 67.80 | 80.32 | 96.30 | 100.81 | 97.94 | 85.69 | a | 83.74 | 59.37 | 50.00 | 74.72 | ||||||||||||
1979 | 43.68 | 53.75 | 62.52 | 72.63 | 83.94 | 95.97 | 101.42 | 95.35 | 95.87 | 83.06 | 61.87 | 59.90 | 75.83 | |||||||||||||
1980 | 55.13 | 60.59 | 59.32 | 73.80 | 78.58 | 93.13 | 101.07 | a | 98.58 | 91.33 | 81.23 | 67.07 | 64.29 | 77.01 | ||||||||||||
1981 | 59.55 | 62.75 | 62.76 | f | 77.50 | 82.00 | 98.97 | 102.84 | 98.89 | d | 90.23 | 75.23 | a | 69.63 | 58.65 | 79.66 | a | |||||||||
1982 | 51.10 | 59.36 | 60.17 | a | 71.03 | 81.97 | 91.37 | 96.03 | 94.42 | 85.43 | 73.00 | 59.00 | a | 52.42 | 72.94 | |||||||||||
1983 | 55.86 | b | 56.96 | 60.58 | 62.90 | 81.42 | 92.60 | 97.87 | 93.03 | 90.67 | 76.90 | 62.87 | 54.26 | 73.83 | ||||||||||||
1984 | 58.32 | 59.52 | 67.13 | 70.77 | 90.10 | 91.90 | 95.90 | 93.94 | 92.70 | 71.61 | 63.07 | 48.60 | a | 75.30 | ||||||||||||
1985 | 52.32 | 55.89 | 62.42 | 79.86 | a | 85.94 | 101.13 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.29 | g | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 53.71 | 58.56 | 62.98 | 71.55 | 83.22 | 93.64 | 100.07 | 96.91 | 89.89 | 78.42 | 64.16 | 54.59 | 75.19 | |||||||||||||
S.D. | 4.11 | 4.43 | 3.33 | 5.00 | 4.61 | 3.44 | 2.16 | 2.77 | 2.89 | 4.54 | 2.98 | 5.09 | 1.35 | |||||||||||||
SKEW | -0.90 | -0.02 | 0.03 | -0.08 | -0.53 | -0.00 | -0.37 | -0.11 | 0.16 | -0.29 | -0.11 | 0.15 | -0.12 | |||||||||||||
MAX | 60.12 | 66.44 | 67.81 | 79.86 | 90.10 | 100.79 | 103.57 | 102.00 | 95.87 | 84.65 | 69.63 | 64.29 | 77.01 | |||||||||||||
MIN | 43.68 | 51.36 | 57.28 | 62.90 | 73.35 | 86.37 | 95.90 | 92.19 | 85.43 | 71.61 | 59.00 | 47.28 | 72.94 | |||||||||||||
YRS | 18 | 17 | 18 | 19 | 18 | 18 | 17 | 16 | 15 | 17 | 16 | 18 | 9 |