YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.00 | 39.00 | k | |
1947 | 34.61 | c | 43.92 | b | 44.73 | a | 48.83 | 63.23 | e | 58.19 | c | 69.40 | f | 69.07 | d | 66.50 | 49.90 | 37.30 | 35.53 | a | 50.17 | a | ||||
1948 | 36.48 | d | 33.50 | e | 35.70 | a | 42.25 | b | 57.14 | b | ----- | z | 71.43 | c | 69.20 | a | 63.55 | a | 53.71 | 37.55 | a | 27.52 | 48.00 | a | ||
1949 | 28.45 | 30.68 | 35.90 | a | 50.78 | c | 55.62 | g | 63.74 | k | ----- | z | ----- | z | 63.58 | d | 50.13 | 50.23 | 29.23 | 42.37 | d | |||||
1950 | 26.13 | 35.57 | 36.87 | a | 43.83 | 53.40 | a | 60.60 | t | 76.67 | v | ----- | z | ----- | z | 47.38 | e | 43.54 | b | 41.55 | 41.03 | d | ||||
1951 | 32.00 | a | 38.21 | 42.20 | a | 53.40 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.00 | r | 41.40 | 34.50 | a | 40.29 | f | |||
1952 | 32.16 | 38.29 | a | 36.45 | 51.72 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.66 | h | ||
1953 | 40.80 | a | 41.78 | a | 40.03 | a | 44.52 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.78 | h |
1954 | 33.17 | b | 46.04 | e | 39.11 | m | 56.40 | y | ----- | z | ----- | z | ----- | z | ----- | z | 65.00 | x | 52.90 | 46.86 | a | 37.42 | g | 44.75 | h | |
1955 | 37.96 | h | 35.46 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.46 | k | |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | 41.71 | b | 56.90 | a | 60.57 | i | 64.73 | a | 71.39 | 68.52 | a | 52.03 | 39.00 | d | 41.13 | 54.43 | d | |||
1964 | 32.77 | 39.93 | 37.29 | 43.83 | 49.90 | b | 61.65 | m | 71.73 | a | 67.53 | a | 62.30 | 54.71 | 37.23 | 30.90 | 48.01 | a | ||||||||
1965 | 35.73 | a | 40.11 | 43.37 | a | 48.27 | 52.29 | 62.25 | n | 74.60 | a | 69.20 | a | 60.34 | a | 58.67 | a | 40.67 | c | 34.80 | a | 50.73 | a | |||
1966 | 34.60 | a | 35.23 | b | 42.39 | 50.17 | 58.10 | 61.00 | b | 69.21 | b | 75.04 | f | 65.76 | a | 54.52 | 43.00 | d | 35.71 | 49.97 | a | |||||
1967 | 34.67 | a | 40.50 | 36.97 | a | 39.50 | 55.03 | b | 62.80 | o | 76.83 | b | 81.61 | 71.23 | 52.63 | a | 41.24 | a | 32.29 | 51.14 | a | |||||
1968 | 34.77 | a | 38.75 | a | 43.90 | 44.90 | a | 54.19 | 61.71 | m | 77.68 | c | 65.84 | 63.50 | 49.90 | a | 39.10 | a | 31.48 | b | 49.46 | a | ||||
1969 | 27.39 | 32.32 | 42.84 | 45.77 | 59.00 | 68.38 | i | 73.83 | a | 72.66 | b | 63.50 | 47.26 | 45.64 | b | 36.83 | a | 49.73 | a | |||||||
1970 | 33.48 | 40.18 | 40.74 | 39.00 | 56.29 | 66.83 | 75.77 | a | 76.96 | d | 58.64 | b | 49.03 | a | 37.83 | 32.28 | b | 50.59 | ||||||||
1971 | 34.06 | 36.75 | 35.00 | 44.77 | 53.66 | b | ----- | z | 77.14 | b | 76.96 | c | 57.28 | a | 48.55 | 38.80 | 30.32 | 48.48 | a | |||||||
1972 | 30.67 | a | 37.21 | 43.93 | a | 41.48 | a | 56.87 | a | 64.23 | 75.97 | b | 74.68 | c | 58.72 | a | 51.48 | b | 38.90 | a | 29.39 | 50.29 | ||||
1973 | 32.21 | b | 38.46 | 37.42 | 47.70 | 61.04 | d | 62.83 | g | 76.13 | a | 70.93 | c | 62.50 | 50.00 | a | 33.37 | 35.97 | 49.61 | a | ||||||
1974 | 28.13 | 36.00 | 40.35 | 44.50 | 49.31 | b | 66.10 | i | 70.29 | 73.61 | 71.87 | 57.77 | a | 40.75 | b | 34.94 | 49.77 | a | ||||||||
1975 | 35.00 | 33.93 | 36.10 | 39.07 | a | 52.81 | 60.15 | c | 73.85 | e | 65.94 | 70.45 | a | 46.70 | a | 36.17 | a | 37.87 | 49.00 | |||||||
1976 | 37.93 | a | 35.24 | 38.03 | 43.93 | 55.77 | a | 58.00 | a | 72.03 | 65.90 | a | 67.25 | b | 58.08 | f | 47.67 | 42.48 | 51.29 | a | ||||||
1977 | 39.32 | 42.46 | 36.61 | 53.00 | f | 47.57 | c | 69.56 | c | 72.11 | c | 75.77 | 57.07 | a | 52.25 | g | 36.23 | d | 34.42 | 51.11 | b | |||||
1978 | 33.97 | 38.11 | 45.84 | 43.73 | 50.03 | 65.00 | b | 71.57 | c | 67.83 | b | 56.07 | a | 57.74 | 36.80 | e | 30.42 | 49.76 | ||||||||
1979 | 27.06 | 33.04 | 43.45 | 43.27 | 57.30 | a | 66.11 | b | 74.46 | c | 67.69 | e | 67.33 | 54.63 | a | 38.93 | 38.72 | b | 51.00 | |||||||
1980 | 32.77 | a | 37.79 | 36.58 | 48.40 | 50.92 | e | 57.92 | d | 73.87 | a | 69.13 | a | 65.83 | a | 57.00 | a | 44.82 | h | 44.06 | 52.21 | a | ||||
1981 | 37.13 | 39.54 | 41.93 | a | 45.00 | 50.39 | c | 60.08 | d | 73.29 | g | 78.07 | b | 63.38 | d | 52.14 | b | 43.11 | c | 34.03 | 49.53 | a | ||||
1982 | 31.06 | 32.81 | a | 38.29 | c | 42.40 | 52.58 | 62.77 | 69.55 | 70.07 | c | 57.71 | f | 48.07 | c | 35.17 | a | 33.03 | a | 46.89 | a | |||||
1983 | 36.55 | b | 36.11 | 39.52 | b | 44.28 | a | 56.87 | 58.74 | g | 61.81 | d | 71.67 | d | 60.19 | d | 54.38 | b | 37.83 | g | 27.13 | 48.85 | b | |||
1984 | 37.48 | 39.03 | 40.58 | 39.70 | g | 48.94 | 56.83 | a | 75.93 | d | 73.23 | a | 58.46 | f | 43.00 | d | 35.07 | b | 29.59 | d | 47.97 | b | ||||
1985 | 32.71 | 33.96 | 39.23 | 48.73 | 52.00 | 66.93 | b | 79.69 | b | 68.36 | c | 53.66 | a | ----- | z | ----- | z | ----- | z | 52.81 | c | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.44 | 37.45 | 39.73 | 45.21 | 54.29 | 62.40 | 73.05 | 71.39 | 63.29 | 51.77 | 40.06 | 34.47 | 50.13 | |||||||||||||
S.D. | 3.60 | 3.54 | 3.18 | 3.76 | 3.92 | 4.08 | 4.13 | 4.24 | 4.90 | 3.93 | 4.19 | 4.55 | 0.78 | |||||||||||||
SKEW | -0.23 | 0.30 | 0.25 | 0.34 | 0.29 | 0.20 | -1.00 | 0.65 | -0.06 | -0.08 | 0.73 | 0.37 | -0.43 | |||||||||||||
MAX | 40.80 | 46.04 | 45.84 | 53.40 | 63.23 | 69.56 | 79.69 | 81.61 | 71.87 | 58.67 | 50.23 | 44.06 | 51.00 | |||||||||||||
MIN | 26.13 | 30.68 | 35.00 | 39.00 | 47.57 | 56.83 | 61.81 | 65.84 | 53.66 | 43.00 | 33.37 | 27.13 | 49.00 | |||||||||||||
YRS | 30 | 31 | 29 | 28 | 26 | 14 | 23 | 24 | 24 | 25 | 26 | 28 | 5 |