YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1955 | ----- | z | ----- | z | ----- | z | 66.82 | h | 71.83 | b | 81.97 | a | 81.13 | 79.13 | 80.86 | a | 73.17 | a | 57.80 | 51.90 | 72.22 | d | ||||
1956 | 51.16 | 46.55 | 62.40 | a | 64.34 | a | 79.00 | 88.10 | 83.90 | 82.97 | 84.20 | 68.39 | 53.90 | a | 47.94 | 67.74 | ||||||||||
1957 | 46.19 | 57.29 | 53.26 | 62.47 | 67.47 | a | 83.53 | 83.97 | 77.19 | 78.00 | 61.52 | 49.48 | a | 52.06 | 64.37 | |||||||||||
1958 | 46.77 | 50.50 | 47.13 | 62.03 | a | 76.68 | 84.50 | 85.00 | 82.16 | 73.50 | 63.45 | 55.50 | 55.03 | 65.19 | ||||||||||||
1959 | 52.16 | 50.75 | 58.29 | 67.67 | 74.26 | 85.43 | 84.45 | 77.61 | 75.38 | a | 70.26 | 50.80 | 46.20 | a | 66.11 | |||||||||||
1960 | 41.68 | 44.11 | a | 58.94 | 65.34 | a | 70.87 | 84.70 | 83.87 | 84.84 | 79.37 | 66.00 | 56.80 | 46.81 | 65.28 | |||||||||||
1961 | 48.71 | 55.44 | a | 56.35 | 65.50 | 71.87 | 85.43 | 88.13 | 82.83 | b | 76.07 | 65.45 | 50.10 | 45.94 | 65.99 | |||||||||||
1962 | 47.07 | a | 48.75 | 48.87 | 71.77 | 72.42 | 80.00 | a | 79.61 | 84.10 | 79.03 | 70.30 | a | 58.50 | 47.52 | 65.66 | ||||||||||
1963 | 45.26 | 55.75 | 56.68 | 61.13 | 76.03 | 83.03 | a | 87.90 | 78.00 | 77.37 | 72.77 | 56.00 | 45.84 | 66.31 | ||||||||||||
1964 | 42.10 | 47.59 | 47.26 | 54.13 | 66.03 | 84.20 | 85.87 | 78.87 | 76.90 | 73.87 | 51.53 | 50.13 | 63.21 | |||||||||||||
1965 | 49.87 | 46.63 | a | 47.35 | 74.39 | b | 77.23 | 79.00 | 88.26 | 87.61 | 82.67 | 69.23 | 62.97 | 41.89 | c | 67.26 | ||||||||||
1966 | 38.10 | 44.25 | 53.61 | 71.50 | 80.65 | 79.30 | 87.87 | 87.47 | a | 79.87 | 68.84 | 62.80 | 37.48 | 65.98 | ||||||||||||
1967 | 44.87 | a | 56.57 | 62.19 | 62.83 | 73.94 | 81.13 | 86.23 | 76.52 | 79.17 | 67.26 | 51.73 | ----- | z | 67.49 | a | ||||||||||
1968 | 42.94 | 51.14 | 59.29 | 55.54 | b | 82.27 | a | 84.37 | 79.74 | 80.90 | 77.00 | 64.68 | 53.33 | 36.87 | a | 64.00 | ||||||||||
1969 | 42.97 | 45.93 | 46.55 | 61.70 | 71.29 | 87.83 | 86.94 | 83.77 | 84.07 | 75.10 | 56.67 | 45.48 | 65.69 | |||||||||||||
1970 | 43.45 | 59.46 | 53.77 | 54.34 | a | 78.23 | 83.90 | 85.19 | 85.19 | 73.73 | 63.42 | 54.93 | 46.61 | 65.19 | ||||||||||||
1971 | 49.26 | 48.00 | 54.42 | 55.50 | d | 63.39 | 76.53 | 87.71 | 85.48 | 76.00 | 56.61 | 54.40 | 39.84 | 62.26 | ||||||||||||
1972 | 49.35 | 52.62 | 66.03 | 64.60 | 73.55 | 76.24 | a | 82.19 | 83.26 | 78.40 | 73.61 | 51.10 | 44.39 | 66.28 | ||||||||||||
1973 | 39.38 | b | 45.57 | 42.50 | a | 56.10 | 61.40 | a | 81.47 | 75.87 | 76.29 | 73.43 | ----- | z | 57.60 | 51.65 | 60.11 | a | ||||||||
1974 | 43.67 | a | 50.93 | 55.58 | 58.90 | 71.94 | 85.97 | 77.97 | a | 78.39 | 74.03 | 63.55 | 50.77 | 43.29 | 62.91 | |||||||||||
1975 | 43.45 | 44.93 | 45.66 | b | ----- | z | ----- | z | 76.87 | 72.58 | 78.77 | ----- | z | ----- | z | ----- | z | ----- | z | 60.38 | f | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 45.42 | 50.14 | 53.81 | 62.62 | 73.02 | 82.55 | 83.54 | 81.49 | 77.95 | 67.76 | 54.84 | 46.15 | 65.26 | |||||||||||||
S.D. | 3.86 | 4.71 | 6.44 | 6.01 | 5.47 | 3.51 | 4.34 | 3.61 | 3.29 | 4.90 | 3.91 | 4.89 | 1.49 | |||||||||||||
SKEW | -0.01 | 0.48 | 0.03 | 0.28 | -0.41 | -0.37 | -0.98 | 0.12 | 0.40 | -0.37 | 0.58 | -0.23 | -0.47 | |||||||||||||
MAX | 52.16 | 59.46 | 66.03 | 74.39 | 82.27 | 88.10 | 88.26 | 87.61 | 84.20 | 75.10 | 62.97 | 55.03 | 67.74 | |||||||||||||
MIN | 38.10 | 44.11 | 42.50 | 54.13 | 61.40 | 76.24 | 72.58 | 76.29 | 73.43 | 56.61 | 49.48 | 36.87 | 62.26 | |||||||||||||
YRS | 20 | 20 | 20 | 19 | 20 | 21 | 21 | 21 | 20 | 19 | 20 | 19 | 17 |