YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 65.12 | 53.10 | 56.58 | 43.62 | b | 54.60 | h | |||
1950 | 39.48 | 46.86 | 46.26 | 50.83 | 52.26 | 57.53 | a | 67.87 | 66.63 | 61.32 | 59.08 | a | 54.47 | 50.80 | f | 54.78 | a | |||||||||
1951 | 42.68 | 43.09 | a | 45.23 | a | 48.33 | a | 52.47 | ----- | z | 66.67 | a | 66.88 | b | 64.95 | b | 56.55 | 49.35 | 40.89 | h | 53.62 | b | ||||
1952 | 41.50 | e | 43.60 | 40.77 | 49.33 | 55.92 | 54.79 | a | 65.89 | 68.44 | 66.55 | 59.34 | 45.05 | 43.56 | e | 52.90 | ||||||||||
1953 | 48.56 | 42.54 | 44.24 | 46.48 | 49.15 | 56.43 | 69.97 | 65.94 | 63.77 | 54.65 | 51.68 | 45.10 | 53.21 | |||||||||||||
1954 | 42.45 | 49.25 | b | 43.77 | 51.55 | 54.89 | 58.80 | 70.50 | 62.26 | 62.85 | 55.82 | 51.35 | 44.05 | b | 53.96 | |||||||||||
1955 | 38.74 | 42.34 | 46.16 | 46.78 | a | 51.93 | b | 57.02 | 64.53 | 70.90 | 63.80 | 57.42 | a | 47.68 | 45.52 | i | 53.39 | a | ||||||||
1956 | 45.00 | c | 38.82 | a | 46.66 | 46.67 | 53.53 | 60.95 | 65.97 | 63.10 | b | 67.72 | 53.97 | a | 51.59 | b | 44.98 | h | 54.00 | a | ||||||
1957 | 41.74 | b | 49.11 | a | 47.72 | a | 48.26 | a | 50.52 | a | 62.18 | 68.18 | 67.61 | 63.00 | 52.63 | 45.23 | 49.83 | k | 54.20 | a | ||||||
1958 | 44.37 | a | 46.43 | 42.63 | a | 50.97 | 58.42 | 60.75 | 66.95 | 73.35 | 68.55 | 61.16 | 48.75 | 52.13 | e | 56.21 | ||||||||||
1959 | 46.50 | 41.70 | 51.69 | 55.88 | 54.00 | 66.88 | 76.50 | 71.61 | 64.02 | 60.98 | 54.58 | 48.50 | f | 58.58 | a | |||||||||||
1960 | 40.08 | 43.19 | 51.60 | 53.55 | a | 57.00 | a | 68.78 | a | 74.45 | 71.63 | 70.23 | 58.42 | 48.97 | 45.60 | a | 56.96 | |||||||||
1961 | 49.98 | a | 48.65 | a | 46.55 | 53.75 | 53.47 | 69.03 | 74.40 | 73.02 | 65.13 | 58.73 | 48.25 | 45.52 | 57.21 | |||||||||||
1962 | 45.23 | 43.96 | 43.65 | 57.33 | 53.11 | 63.12 | 69.85 | 74.73 | 70.32 | 60.16 | 54.18 | 49.52 | a | 57.10 | ||||||||||||
1963 | 42.71 | 53.14 | 45.55 | 47.58 | 56.05 | 59.77 | 70.73 | 71.59 | c | 70.60 | 60.87 | 50.88 | 47.82 | c | 56.44 | |||||||||||
1964 | 42.77 | c | 45.04 | a | 44.70 | a | 48.47 | a | 53.66 | 62.65 | 73.27 | 72.52 | 66.73 | 64.82 | 47.88 | 44.67 | a | 55.60 | ||||||||
1965 | 46.00 | 46.07 | 47.24 | 51.09 | g | 54.18 | 57.70 | 70.69 | 73.52 | 61.50 | 64.89 | 51.88 | 44.35 | 56.18 | a | |||||||||||
1966 | 42.94 | 42.68 | 49.89 | 54.58 | 58.68 | 65.43 | 72.26 | 73.73 | 67.75 | 58.95 | 50.93 | 48.43 | c | 57.19 | ||||||||||||
1967 | 46.11 | 47.61 | 46.26 | j | 43.17 | 56.15 | a | 58.80 | 74.68 | 76.55 | 66.40 | 63.72 | f | 51.12 | n | 41.60 | 56.78 | c | ||||||||
1968 | 43.63 | 50.91 | 48.87 | 50.33 | 57.08 | 64.63 | 73.06 | f | 69.18 | 67.92 | 59.92 | 51.62 | 42.84 | 55.18 | a | |||||||||||
1969 | 47.73 | c | 41.85 | a | 45.16 | 50.90 | a | 58.45 | 58.82 | 74.10 | j | 77.16 | 71.73 | 55.50 | 51.95 | 46.89 | 55.10 | a | ||||||||
1970 | 44.68 | a | 47.48 | 47.50 | 47.23 | 57.35 | 65.52 | 74.88 | j | 76.27 | 66.22 | 57.77 | 53.10 | 43.53 | 55.15 | a | ||||||||||
1971 | 46.40 | f | 45.50 | 48.79 | 48.02 | 51.63 | 61.83 | 72.61 | 74.66 | 68.17 | 54.34 | 48.30 | 39.23 | k | 57.38 | b | ||||||||||
1972 | 45.32 | 48.88 | 55.19 | 52.20 | 58.18 | 66.48 | 75.00 | 70.92 | 63.62 | i | 54.27 | 47.50 | 42.74 | 56.06 | a | |||||||||||
1973 | 41.17 | a | 44.19 | a | 41.26 | ----- | z | 58.82 | 67.37 | 71.42 | 73.08 | e | 63.41 | c | 58.90 | a | 48.75 | 47.19 | 55.96 | a | ||||||
1974 | 43.40 | 45.96 | 47.68 | 51.50 | 56.40 | 67.95 | 71.50 | 70.60 | 70.50 | 57.50 | 51.53 | 43.68 | 56.52 | |||||||||||||
1975 | 46.57 | a | 43.86 | 44.29 | 43.83 | 55.27 | 62.55 | 71.95 | 70.94 | 69.40 | 57.65 | 51.81 | a | 48.23 | a | 55.53 | ||||||||||
1976 | 49.20 | a | 47.43 | 46.73 | 47.73 | 58.76 | 65.69 | a | 71.26 | 68.03 | 64.45 | 60.40 | 57.36 | i | 49.13 | 57.16 | a | |||||||||
1977 | 45.74 | 50.96 | 43.08 | 53.27 | 50.68 | 66.33 | 73.90 | 72.45 | 70.14 | w | 62.66 | 56.35 | 51.50 | a | 56.99 | a | ||||||||||
1978 | 46.42 | 46.27 | 49.63 | e | 48.45 | 57.39 | 67.27 | 73.79 | 71.37 | e | 66.72 | l | 65.27 | 48.38 | 43.98 | 56.20 | a | |||||||||
1979 | 40.15 | 44.66 | c | 46.83 | a | 51.73 | 58.32 | q | 68.02 | 72.10 | ----- | z | 73.75 | 59.63 | 49.97 | 50.82 | 55.77 | b | ||||||||
1980 | 46.67 | a | 50.34 | 46.21 | 52.93 | 51.76 | 62.92 | 74.73 | 70.19 | 67.83 | 62.74 | 54.60 | 52.93 | a | 57.82 | |||||||||||
1981 | 48.94 | 50.11 | a | 46.60 | 54.58 | 57.48 | 72.17 | 73.97 | 76.32 | 70.12 | 57.77 | g | 54.42 | 51.27 | a | 59.63 | a | |||||||||
1982 | 44.20 | d | 48.52 | a | 47.06 | 52.05 | 56.44 | 59.12 | 71.10 | 73.89 | 67.38 | 59.39 | 48.68 | b | 45.03 | b | 56.07 | |||||||||
1983 | 49.24 | b | 43.39 | n | 47.65 | g | 48.05 | 59.18 | a | 62.30 | 71.55 | 74.93 | d | 71.55 | 60.97 | 50.08 | 47.55 | b | 59.54 | b | ||||||
1984 | 49.20 | a | 48.57 | a | 52.19 | 53.26 | a | 66.29 | 65.98 | 75.87 | 74.45 | a | 73.00 | 57.15 | e | 48.63 | 43.38 | a | 59.00 | |||||||
1985 | 44.40 | a | 44.55 | r | 46.90 | 57.21 | a | 59.19 | 69.63 | 76.06 | 73.65 | 62.33 | 58.80 | a | 47.88 | 48.71 | 58.62 | a | ||||||||
1986 | 52.62 | a | 48.57 | 51.72 | a | 54.35 | f | 59.31 | 68.55 | 71.50 | 77.90 | 62.72 | a | 57.92 | 54.18 | 47.72 | b | 59.34 | a | |||||||
1987 | 44.97 | 46.05 | 47.58 | 59.22 | 60.82 | 69.72 | 69.45 | 72.26 | 69.88 | 63.90 | 52.38 | a | 43.32 | a | 58.30 | |||||||||||
1988 | 47.07 | c | 52.62 | 53.12 | a | 55.08 | 59.95 | c | 66.60 | a | 75.88 | b | 70.38 | n | ----- | z | ----- | z | ----- | z | ----- | z | 58.62 | e | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 44.95 | 46.40 | 47.05 | 50.86 | 55.94 | 63.69 | 71.58 | 71.68 | 66.96 | 58.82 | 50.80 | 46.45 | 56.25 | |||||||||||||
S.D. | 3.19 | 3.32 | 3.25 | 3.77 | 3.47 | 4.41 | 3.15 | 3.70 | 3.38 | 3.27 | 2.89 | 3.13 | 1.71 | |||||||||||||
SKEW | 0.13 | -0.00 | 0.42 | 0.13 | 0.33 | -0.18 | -0.45 | -0.67 | 0.12 | 0.10 | 0.12 | 0.48 | -0.58 | |||||||||||||
MAX | 52.62 | 53.14 | 55.19 | 59.22 | 66.29 | 72.17 | 76.50 | 77.90 | 73.75 | 65.27 | 56.58 | 52.93 | 59.00 | |||||||||||||
MIN | 38.74 | 38.82 | 40.77 | 43.17 | 49.15 | 54.79 | 64.53 | 62.26 | 61.32 | 52.63 | 45.05 | 41.60 | 52.90 | |||||||||||||
YRS | 38 | 37 | 37 | 36 | 38 | 38 | 36 | 37 | 36 | 37 | 37 | 32 | 16 |