YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1969 | ----- | z | ----- | z | ----- | z | 56.87 | g | 69.45 | 73.80 | 75.42 | 73.94 | 68.13 | 55.42 | 48.17 | 37.13 | 62.68 | d | ||||||||
1970 | 36.90 | 44.93 | 50.13 | 51.17 | 65.81 | 73.97 | 78.06 | 77.84 | 64.66 | a | 56.26 | 43.70 | 38.26 | 56.81 | ||||||||||||
1971 | 43.55 | 43.57 | 43.74 | 52.93 | 63.81 | 65.10 | 78.65 | 78.48 | 64.63 | 55.29 | 46.20 | 39.26 | 56.27 | |||||||||||||
1972 | 39.19 | 42.52 | 51.45 | 50.50 | 66.16 | 70.67 | 77.55 | 77.52 | 64.03 | 57.74 | 45.43 | 34.03 | a | 56.40 | ||||||||||||
1973 | 35.26 | 42.36 | 49.03 | 57.10 | 65.06 | 67.37 | 77.90 | 72.84 | 67.07 | 55.68 | 39.50 | 40.19 | 55.78 | |||||||||||||
1974 | 34.06 | 43.11 | 47.71 | 53.03 | 58.77 | 73.00 | 73.45 | ----- | z | 72.93 | 60.97 | 45.73 | 42.39 | 55.01 | a | |||||||||||
1975 | 40.97 | 39.14 | 44.48 | 50.20 | 62.65 | 66.43 | 76.19 | 69.48 | 71.87 | 53.06 | 43.60 | 41.55 | 54.97 | |||||||||||||
1976 | 42.03 | 41.69 | 44.81 | 53.20 | 62.77 | 65.00 | 73.55 | 69.52 | 70.17 | a | 59.23 | a | 46.90 | a | 41.77 | 55.89 | ||||||||||
1977 | 33.74 | 44.46 | 47.55 | 61.97 | 56.71 | 72.57 | 73.03 | 78.77 | 62.40 | 56.58 | 43.47 | 39.19 | 55.87 | |||||||||||||
1978 | 35.83 | a | 41.32 | 53.35 | 52.90 | 59.55 | 71.43 | 75.29 | 71.23 | 61.60 | 60.81 | 41.07 | 36.65 | 55.09 | ||||||||||||
1979 | 25.94 | 39.29 | 50.87 | 53.13 | 64.32 | 71.33 | 75.84 | 72.97 | 71.87 | 60.52 | 40.76 | a | 41.35 | 55.68 | ||||||||||||
1980 | 32.13 | 37.00 | 45.80 | a | 56.70 | 61.32 | 63.50 | 76.58 | 72.16 | 69.53 | 59.81 | 46.53 | 44.13 | 55.43 | ||||||||||||
1981 | 39.00 | 44.32 | 53.13 | 56.87 | 62.90 | 67.47 | 77.71 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.34 | e | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.55 | 41.98 | 48.50 | 54.14 | 63.02 | 69.36 | 76.09 | 74.07 | 67.41 | 57.61 | 44.25 | 39.66 | 55.82 | |||||||||||||
S.D. | 4.86 | 2.43 | 3.35 | 3.41 | 3.40 | 3.67 | 1.89 | 3.52 | 3.91 | 2.61 | 2.72 | 2.83 | 0.57 | |||||||||||||
SKEW | -0.57 | -0.70 | 0.03 | 0.96 | -0.10 | -0.20 | -0.35 | 0.15 | -0.04 | -0.10 | -0.38 | -0.39 | 0.12 | |||||||||||||
MAX | 43.55 | 44.93 | 53.35 | 61.97 | 69.45 | 73.97 | 78.65 | 78.77 | 72.93 | 60.97 | 48.17 | 44.13 | 56.81 | |||||||||||||
MIN | 25.94 | 37.00 | 43.74 | 50.20 | 56.71 | 63.50 | 73.03 | 69.48 | 61.60 | 53.06 | 39.50 | 34.03 | 54.97 | |||||||||||||
YRS | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 11 | 12 | 12 | 12 | 12 | 10 |