YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1966 | ----- | z | ----- | z | ----- | z | 60.17 | a | 71.74 | 76.40 | 82.94 | 75.61 | 72.97 | 63.06 | 55.76 | a | 45.10 | 67.08 | c | |||||||
1967 | 44.71 | 46.57 | 59.97 | 63.97 | 68.03 | 74.87 | 77.90 | 74.03 | 70.03 | 68.03 | 54.10 | a | 36.47 | a | 61.56 | |||||||||||
1968 | 43.19 | 45.89 | a | 51.35 | 56.23 | 65.55 | 80.50 | 78.65 | 75.45 | 73.53 | 66.58 | 47.20 | 44.71 | 60.74 | ||||||||||||
1969 | 48.97 | 44.61 | 40.35 | 60.43 | 68.50 | a | 71.47 | 81.03 | a | 81.19 | 71.87 | 55.58 | 49.30 | 43.55 | 59.74 | |||||||||||
1970 | 42.06 | 49.21 | 45.70 | a | 56.33 | 70.35 | 75.14 | b | 81.29 | c | 80.31 | b | 72.33 | f | 55.11 | d | 52.07 | a | 48.77 | 59.67 | a | |||||
1971 | 46.10 | 45.43 | 56.30 | a | 59.04 | d | 66.58 | 79.97 | 80.03 | 74.61 | 71.17 | 63.74 | 53.73 | 39.61 | 61.36 | |||||||||||
1972 | 46.97 | 52.45 | 60.93 | a | 64.93 | 68.13 | a | 78.47 | 78.94 | 77.06 | 72.10 | 61.83 | b | 39.82 | b | 41.77 | a | 61.95 | ||||||||
1973 | 41.41 | b | 46.26 | a | 47.21 | c | 51.84 | e | 65.83 | b | 77.37 | 80.03 | 80.61 | 71.23 | 66.07 | c | 56.11 | c | 44.24 | b | 60.69 | |||||
1974 | 41.16 | 46.92 | b | 58.81 | 61.21 | a | 75.10 | b | 78.23 | 81.77 | 76.90 | a | 70.92 | f | 63.39 | 50.67 | 41.07 | b | 61.38 | a | ||||||
1975 | 42.97 | 43.57 | 50.19 | 56.93 | 67.77 | 76.77 | 78.58 | 80.35 | 68.93 | 67.97 | 51.13 | 47.00 | 61.01 | |||||||||||||
1976 | 42.94 | 52.75 | a | 51.81 | 60.03 | a | 64.87 | 77.07 | 80.03 | 79.58 | 73.23 | 57.52 | 48.90 | 44.10 | 61.07 | |||||||||||
1977 | 42.06 | 47.86 | 49.10 | 57.87 | 67.68 | 80.76 | a | 80.10 | 78.48 | 74.90 | 66.57 | a | 53.03 | a | 48.33 | a | 62.23 | |||||||||
1978 | 41.48 | 40.81 | a | 53.61 | 63.33 | 64.10 | 76.13 | 82.68 | 80.94 | 76.23 | 67.03 | 48.41 | a | 38.87 | 61.14 | |||||||||||
1979 | 34.32 | 43.43 | 49.84 | 59.93 | 64.35 | 74.83 | 81.81 | 78.13 | 73.97 | ----- | z | ----- | z | ----- | z | 62.29 | c | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 42.95 | 46.60 | 51.94 | 59.45 | 67.76 | 77.00 | 80.41 | 78.09 | 72.51 | 63.27 | 50.79 | 43.35 | 61.15 | |||||||||||||
S.D. | 3.53 | 3.41 | 5.96 | 3.48 | 3.05 | 2.53 | 1.57 | 2.49 | 2.05 | 4.56 | 4.32 | 3.69 | 0.70 | |||||||||||||
SKEW | -0.67 | 0.42 | -0.12 | -0.38 | 0.98 | -0.34 | 0.06 | -0.26 | 0.04 | -0.76 | -1.12 | -0.25 | -0.38 | |||||||||||||
MAX | 48.97 | 52.75 | 60.93 | 64.93 | 75.10 | 80.76 | 82.94 | 81.19 | 76.23 | 68.03 | 56.11 | 48.77 | 62.23 | |||||||||||||
MIN | 34.32 | 40.81 | 40.35 | 51.84 | 64.10 | 71.47 | 77.90 | 74.03 | 68.93 | 55.11 | 39.82 | 36.47 | 59.74 | |||||||||||||
YRS | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 12 | 13 | 13 | 13 | 10 |