YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.43 | x | 76.28 | f | 68.98 | 61.06 | 47.75 | 43.53 | 55.33 | h | ||||
1952 | 45.66 | 42.71 | 46.53 | b | ----- | z | 63.27 | 75.28 | 74.26 | 78.21 | 68.48 | 59.05 | 44.07 | 42.11 | 58.15 | a | ||||||||||
1953 | 48.61 | 42.48 | 53.32 | a | 55.95 | a | 61.13 | 76.22 | 76.71 | 73.69 | 70.66 | a | 59.44 | 50.38 | a | 35.76 | 58.69 | |||||||||
1954 | 44.25 | a | 50.62 | 48.39 | 62.78 | 64.85 | 72.77 | b | 77.44 | 73.42 | 69.12 | 59.08 | 50.68 | 44.52 | 59.83 | |||||||||||
1955 | 39.40 | a | 40.64 | 49.20 | a | 57.17 | 63.76 | 71.10 | 71.74 | 71.68 | 69.27 | 60.56 | 47.37 | 44.92 | a | 57.23 | ||||||||||
1956 | 45.35 | a | 38.74 | 51.87 | 54.97 | 67.48 | 75.52 | 74.61 | 73.56 | 70.68 | 61.23 | 46.93 | a | 43.45 | 58.70 | |||||||||||
1957 | 42.77 | 51.38 | 49.92 | 54.97 | 61.24 | b | 72.33 | 76.82 | a | 73.35 | 66.88 | a | 56.03 | 42.77 | 47.02 | 57.96 | ||||||||||
1958 | 39.02 | 45.71 | 43.42 | 54.22 | 65.31 | 75.40 | a | 77.23 | 75.84 | 67.30 | 55.45 | 49.33 | 45.34 | 57.80 | ||||||||||||
1959 | 42.79 | 42.62 | 49.35 | a | 57.36 | a | 64.97 | 73.78 | 73.85 | 74.24 | 69.72 | 59.06 | 47.42 | 42.90 | 58.17 | |||||||||||
1960 | 38.87 | 39.28 | 50.81 | 59.36 | a | 64.69 | 73.97 | 72.95 | 74.29 | 68.73 | 58.15 | 50.27 | 35.68 | 57.25 | ||||||||||||
1961 | 39.00 | 45.04 | a | 49.65 | 56.16 | a | 64.85 | 71.48 | 73.00 | 72.52 | 64.25 | 58.65 | 44.87 | 42.66 | 56.84 | |||||||||||
1962 | 38.00 | 50.20 | 46.79 | 57.22 | 64.77 | 69.70 | 71.13 | 73.65 | 66.68 | 57.63 | 49.71 | a | 44.00 | 57.46 | ||||||||||||
1963 | 37.10 | 47.07 | 49.29 | 59.57 | 66.97 | 71.73 | 77.73 | 73.87 | 68.83 | 62.32 | 49.47 | 40.34 | 58.69 | |||||||||||||
1964 | 37.56 | 36.81 | 48.52 | 56.35 | 65.90 | 72.10 | a | 76.68 | 75.81 | 66.68 | 60.65 | 48.97 | 43.05 | 57.42 | ||||||||||||
1965 | 45.53 | 40.54 | 43.55 | 58.52 | 64.42 | 70.92 | 75.76 | 72.03 | 66.18 | 58.63 | 53.05 | a | 44.79 | 57.83 | ||||||||||||
1966 | 34.32 | 38.38 | 51.56 | 57.69 | a | 64.69 | 70.13 | 78.02 | 71.52 | 67.59 | a | 57.13 | 51.31 | a | 42.19 | 57.04 | ||||||||||
1967 | 41.89 | 44.07 | 54.06 | 59.30 | 65.13 | a | 70.97 | 75.48 | 71.13 | 66.48 | 60.05 | 50.03 | 37.45 | 58.00 | ||||||||||||
1968 | 40.77 | 44.91 | 46.75 | a | 54.28 | 63.65 | 73.95 | 71.13 | 70.84 | 66.03 | 60.80 | a | 47.17 | a | 41.77 | 56.84 | ||||||||||
1969 | 49.42 | 46.14 | 45.93 | a | 61.80 | 67.27 | 72.42 | 76.95 | 76.15 | 66.98 | 55.73 | 46.87 | 42.84 | 59.04 | ||||||||||||
1970 | 39.89 | 46.43 | 45.06 | 55.58 | 63.19 | 69.36 | a | 75.26 | 73.26 | 68.22 | 53.67 | a | 48.42 | 44.45 | 56.90 | |||||||||||
1971 | 43.27 | 42.46 | 51.65 | 54.40 | 63.48 | 71.95 | a | 73.68 | 68.73 | 65.60 | 56.61 | 49.14 | a | 41.74 | 56.89 | |||||||||||
1972 | 44.29 | 45.83 | 55.90 | 62.05 | 63.79 | 73.70 | 74.84 | 72.52 | 65.83 | ----- | z | ----- | z | ----- | z | 62.08 | c | |||||||||
1973 | ----- | z | ----- | z | ----- | z | 54.00 | k | 63.11 | 69.40 | 73.06 | 72.81 | 68.09 | a | 58.68 | 50.67 | 43.71 | 62.44 | d | |||||||
1974 | 42.63 | 44.57 | 54.02 | 56.98 | a | 69.13 | 74.45 | a | 75.45 | 70.57 | a | 63.71 | a | 57.32 | 47.38 | 40.32 | 58.04 | |||||||||
1975 | 40.19 | 41.66 | 47.47 | 52.48 | 60.76 | 71.64 | a | 71.35 | 72.23 | 66.60 | o | ----- | z | ----- | z | 38.32 | q | 57.22 | d | |||||||
1976 | 41.08 | 50.69 | 50.90 | a | 57.28 | 62.11 | 69.88 | 70.87 | 71.53 | 65.80 | 53.67 | a | 47.08 | e | ----- | z | 58.26 | a | ||||||||
1977 | ----- | z | ----- | z | ----- | z | 57.28 | e | 64.93 | a | 73.78 | 75.45 | 75.79 | c | 71.02 | 60.31 | ----- | z | 47.61 | 65.77 | d | |||||
1978 | ----- | z | ----- | z | ----- | z | 59.87 | 64.23 | 72.40 | 75.08 | 71.55 | 63.58 | e | 58.00 | d | ----- | z | ----- | z | 66.39 | e | |||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.61 | 66.87 | 62.65 | ----- | z | ----- | z | 66.37 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.74 | 44.12 | 49.33 | 57.34 | 64.41 | 72.46 | 74.69 | 73.01 | 67.44 | 58.58 | 48.38 | 42.59 | 57.83 | |||||||||||||
S.D. | 3.68 | 4.06 | 3.29 | 2.60 | 1.94 | 1.97 | 2.20 | 2.11 | 1.99 | 2.36 | 2.37 | 3.01 | 0.83 | |||||||||||||
SKEW | 0.23 | 0.16 | 0.03 | 0.39 | 0.24 | 0.16 | -0.30 | 0.31 | -0.08 | -0.39 | -0.46 | -0.87 | 0.66 | |||||||||||||
MAX | 49.42 | 51.38 | 55.90 | 62.78 | 69.13 | 76.22 | 78.02 | 78.21 | 71.02 | 62.65 | 53.05 | 47.61 | 59.83 | |||||||||||||
MIN | 34.32 | 36.81 | 43.42 | 52.48 | 60.76 | 69.36 | 70.87 | 68.73 | 63.58 | 53.67 | 42.77 | 35.68 | 56.84 | |||||||||||||
YRS | 24 | 24 | 24 | 25 | 27 | 27 | 27 | 28 | 28 | 27 | 24 | 24 | 20 |