YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.42 | 66.94 | 61.77 | 53.97 | 44.24 | a | 36.55 | 55.15 | f | |||||
1949 | 32.16 | 36.39 | 42.65 | 51.03 | 57.82 | c | 69.47 | 74.74 | 69.03 | 68.13 | 56.58 | 50.10 | 41.48 | 54.13 | ||||||||||||
1950 | 36.16 | 44.21 | 48.45 | 57.20 | 60.00 | 65.17 | 76.58 | 70.33 | a | 63.50 | 55.16 | 48.20 | 43.97 | 55.74 | ||||||||||||
1951 | 39.00 | 42.00 | 47.74 | 54.40 | 59.84 | 63.33 | 74.00 | 71.19 | 64.27 | 56.32 | 45.83 | 37.87 | 54.65 | |||||||||||||
1952 | 39.00 | 42.00 | 43.29 | 56.17 | 62.13 | 62.83 | 71.42 | 75.84 | 68.20 | 55.58 | 46.10 | 41.97 | 55.38 | |||||||||||||
1953 | 45.32 | 41.61 | 47.06 | 52.30 | 57.06 | 63.10 | 77.68 | 70.90 | 63.00 | 55.35 | 47.37 | 40.84 | 55.13 | |||||||||||||
1954 | 38.39 | 49.57 | 44.45 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.14 | i | |||
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | 47.29 | 49.64 | 48.29 | 56.63 | 68.35 | 74.20 | 76.77 | 83.61 | 74.87 | 65.84 | 52.67 | 48.71 | 62.24 | |||||||||||||
1959 | 47.42 | 45.93 | 52.71 | 61.20 | 65.55 | 77.00 | 84.32 | 80.03 | 69.27 | 60.79 | c | 53.11 | c | 45.97 | a | 61.94 | ||||||||||
1960 | 39.63 | a | 43.07 | b | 52.48 | 57.55 | a | 63.45 | b | 77.38 | a | 81.21 | b | 80.61 | 72.89 | b | 61.06 | 51.39 | b | 44.19 | d | 60.41 | ||||
1961 | 45.29 | c | 44.65 | b | 48.94 | 57.45 | a | 63.72 | b | ----- | z | 84.28 | b | 80.88 | e | 68.37 | c | 58.67 | a | 48.59 | c | 42.11 | c | 58.45 | a | |
1962 | 42.80 | a | 45.92 | b | 45.35 | 60.72 | a | 62.38 | b | 72.83 | a | 81.13 | a | 80.32 | c | 75.18 | b | 62.50 | a | 51.40 | e | 48.89 | d | 60.79 | ||
1963 | 38.50 | c | 49.58 | b | 48.55 | 54.27 | 65.60 | a | 71.72 | a | 79.67 | d | 82.60 | a | 73.33 | c | 63.52 | b | 51.09 | g | 44.45 | b | 61.07 | a | ||
1964 | 38.94 | 41.00 | b | 45.23 | a | 55.07 | 61.97 | b | 72.54 | b | 82.07 | b | 80.85 | e | 70.88 | e | 64.89 | d | 47.68 | e | 42.74 | d | 58.65 | |||
1965 | 45.15 | e | 44.71 | d | 48.00 | c | 54.82 | b | 62.60 | f | 68.07 | c | 79.68 | c | 77.00 | f | 66.69 | d | 61.25 | c | 52.58 | d | 46.04 | e | 56.70 | b |
1966 | 39.31 | b | 40.87 | e | 49.41 | d | 58.20 | 66.96 | f | 72.96 | e | 79.60 | f | 81.89 | d | 74.12 | f | 59.52 | d | 50.42 | f | 45.92 | f | 57.45 | e | |
1967 | 43.73 | e | 46.09 | e | 51.23 | e | 50.65 | d | 63.58 | e | 71.77 | d | 82.22 | h | 81.96 | d | 76.08 | d | 62.65 | e | 50.62 | f | 39.36 | f | 60.86 | c |
1968 | 42.77 | e | 51.71 | e | 50.88 | e | 53.60 | e | 63.12 | f | 73.57 | g | 80.31 | e | 76.79 | g | 71.57 | i | 60.07 | d | 51.61 | g | 38.25 | g | 56.56 | f |
1969 | 47.39 | c | 43.92 | c | 48.00 | g | 57.79 | f | 66.35 | h | 74.77 | 81.27 | i | 84.84 | 75.23 | d | 60.10 | k | 53.25 | j | 44.10 | j | 65.23 | g | ||
1970 | 40.89 | d | 47.72 | c | 50.67 | a | 52.62 | a | 65.50 | c | 75.41 | c | 82.14 | c | 81.77 | a | 68.77 | 56.37 | a | 48.14 | a | 40.53 | a | 59.21 | ||
1971 | 41.16 | 45.30 | a | 47.94 | 54.77 | 58.29 | 71.82 | b | 81.58 | 80.87 | 68.40 | 56.42 | 46.93 | 38.62 | b | 57.67 | ||||||||||
1972 | 37.40 | a | 45.29 | a | 53.94 | 55.79 | b | 65.43 | a | 75.31 | a | 80.90 | 78.53 | a | 68.12 | f | 58.05 | i | 45.79 | f | 38.05 | i | 61.57 | d | ||
1973 | 38.32 | f | 42.76 | g | 45.07 | d | 53.09 | h | 66.74 | h | 72.88 | f | 80.09 | i | 78.07 | d | 66.32 | h | 56.62 | j | 45.92 | f | 44.81 | j | 61.57 | j |
1974 | 39.81 | e | 41.05 | g | 51.00 | f | 55.23 | h | 64.88 | f | 75.67 | 80.20 | a | 74.83 | a | 73.79 | b | 60.58 | 49.63 | 40.03 | a | 61.82 | d | |||
1975 | 40.45 | 42.32 | 47.19 | 50.87 | 62.71 | 73.23 | 81.16 | 76.17 | a | 73.97 | 59.33 | a | 50.12 | n | 47.27 | a | 59.52 | a | ||||||||
1976 | 44.45 | 48.28 | 48.80 | a | 53.83 | 68.68 | 71.97 | 82.94 | 76.23 | 71.80 | 61.74 | 50.67 | 42.97 | 60.20 | ||||||||||||
1977 | 43.00 | 48.64 | 46.23 | 58.37 | 61.26 | 75.60 | 81.43 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.52 | f | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.42 | 45.02 | 48.11 | 55.34 | 62.81 | 71.64 | 79.06 | 77.75 | 69.92 | 59.46 | 49.10 | 42.90 | 58.17 | |||||||||||||
S.D. | 3.81 | 3.57 | 2.94 | 2.94 | 3.29 | 4.49 | 4.28 | 5.06 | 4.39 | 3.37 | 2.62 | 3.49 | 2.89 | |||||||||||||
SKEW | -0.21 | -0.20 | 0.08 | 0.20 | -0.01 | -0.85 | -1.18 | -0.70 | -0.32 | 0.11 | -0.05 | 0.06 | -0.04 | |||||||||||||
MAX | 47.42 | 51.71 | 53.94 | 61.20 | 68.68 | 77.38 | 84.32 | 84.84 | 76.08 | 65.84 | 53.11 | 48.89 | 62.24 | |||||||||||||
MIN | 32.16 | 36.39 | 42.65 | 50.65 | 57.06 | 62.83 | 67.42 | 66.94 | 61.77 | 53.97 | 44.24 | 36.55 | 54.13 | |||||||||||||
YRS | 25 | 24 | 24 | 22 | 19 | 22 | 21 | 23 | 21 | 22 | 17 | 19 | 13 |