YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.83 | 35.87 | 42.37 | 32.14 | b | 38.30 | h | |||
1950 | 28.06 | 31.89 | 31.48 | 35.93 | 36.65 | 36.83 | a | 50.16 | 44.03 | 43.17 | 37.77 | a | 38.10 | 35.44 | f | 37.64 | a | |||||||||
1951 | 30.48 | 30.67 | a | 31.00 | a | 35.50 | 34.23 | ----- | z | 44.60 | a | 46.52 | b | 42.75 | b | 41.00 | 37.47 | 29.74 | h | 37.42 | b | |||||
1952 | 31.23 | e | 32.86 | 31.42 | 36.43 | 36.42 | 35.03 | a | 44.00 | 47.26 | 45.40 | 35.90 | 32.33 | 32.27 | e | 36.71 | ||||||||||
1953 | 35.00 | 26.71 | 29.55 | 32.33 | 34.45 | 36.57 | 50.52 | 44.74 | 39.97 | 34.35 | 36.93 | 32.16 | 36.11 | |||||||||||||
1954 | 28.74 | 34.42 | b | 31.94 | 35.33 | 36.65 | 39.00 | 51.77 | 40.32 | 39.43 | 34.84 | 34.40 | 30.62 | b | 36.46 | |||||||||||
1955 | 28.61 | 30.50 | 31.00 | 29.87 | 36.68 | 36.13 | 44.23 | 53.90 | 41.83 | 36.35 | 32.47 | 32.95 | i | 36.51 | a | |||||||||||
1956 | 32.36 | c | 25.45 | 29.29 | 33.27 | 37.45 | 38.87 | 44.74 | 40.21 | b | 44.77 | 37.10 | a | 36.69 | a | 30.00 | h | 36.38 | a | |||||||
1957 | 33.93 | b | 36.50 | 36.26 | 34.87 | 38.06 | 43.70 | 45.84 | 48.23 | 42.50 | 40.71 | 33.43 | 40.05 | k | 39.46 | a | ||||||||||
1958 | 33.23 | a | 35.75 | 32.93 | a | 36.90 | 41.81 | 43.90 | 48.35 | 58.29 | 51.90 | 47.00 | 36.57 | 39.73 | e | 42.20 | ||||||||||
1959 | 34.87 | 31.89 | 36.81 | 41.40 | 38.74 | 48.47 | 59.81 | 55.16 | 49.13 | 46.94 | 43.90 | 38.60 | f | 44.28 | a | |||||||||||
1960 | 29.45 | 32.93 | 38.61 | 38.73 | 42.07 | a | 50.33 | 57.03 | 53.77 | 53.70 | 43.55 | 36.90 | 33.73 | a | 42.57 | |||||||||||
1961 | 40.03 | a | 34.96 | a | 35.23 | 38.50 | 38.19 | 50.67 | 57.61 | 57.94 | 49.23 | 44.29 | 36.33 | 35.87 | 43.24 | |||||||||||
1962 | 34.32 | 35.18 | 33.68 | 41.97 | 39.58 | 46.63 | 51.68 | 55.71 | 53.20 | 44.45 | 38.57 | 37.17 | a | 42.68 | ||||||||||||
1963 | 31.48 | 40.82 | 33.19 | 35.73 | 41.29 | 45.27 | 51.16 | 54.39 | c | 55.10 | 47.58 | 39.30 | 35.62 | b | 42.58 | |||||||||||
1964 | 32.68 | c | 32.57 | a | 32.80 | a | 36.14 | a | 39.45 | 46.33 | 55.10 | 56.29 | 48.97 | 48.90 | 38.67 | 34.27 | a | 41.85 | ||||||||
1965 | 34.87 | 34.25 | 35.71 | 38.92 | f | 39.90 | 42.83 | 53.03 | 55.65 | 45.53 | 49.10 | 40.57 | 35.32 | 42.43 | a | |||||||||||
1966 | 31.68 | 32.25 | 35.74 | 39.43 | 43.19 | 47.50 | 54.13 | 56.97 | 51.70 | 43.97 | 38.33 | 39.68 | c | 42.88 | ||||||||||||
1967 | 35.19 | 32.86 | 35.59 | i | 33.43 | 41.97 | a | 44.30 | 58.23 | 60.45 | 52.07 | 46.32 | f | 42.38 | n | 32.32 | 43.42 | c | ||||||||
1968 | 33.81 | 39.34 | 36.26 | 36.47 | 41.71 | 47.73 | 56.52 | f | 52.29 | 50.93 | 44.74 | 38.00 | 31.10 | 41.13 | a | |||||||||||
1969 | 38.79 | b | 33.48 | a | 33.03 | 37.10 | 42.29 | 44.83 | 57.86 | i | 59.32 | 55.10 | 39.90 | 42.07 | 33.81 | 41.79 | a | |||||||||
1970 | 33.73 | a | 34.57 | 35.61 | 33.17 | 40.61 | 48.73 | 56.95 | j | 60.42 | 48.77 | 43.45 | 39.57 | 34.00 | 41.15 | a | ||||||||||
1971 | 35.00 | f | 32.32 | 34.52 | 34.63 | 39.29 | 45.40 | 54.48 | 58.19 | 51.30 | 39.81 | 34.57 | 28.80 | k | 42.45 | b | ||||||||||
1972 | 31.68 | 35.03 | 37.42 | 35.10 | 42.71 | 50.37 | 56.23 | 53.81 | 46.90 | i | 42.32 | 36.10 | 33.03 | 41.25 | a | |||||||||||
1973 | 31.17 | a | 34.96 | a | 32.58 | ----- | z | 42.39 | 49.77 | 52.90 | 55.50 | e | 44.63 | c | 41.57 | a | 36.03 | 35.65 | 41.56 | a | ||||||
1974 | 33.55 | 33.61 | 35.55 | 36.47 | 40.55 | 48.23 | 54.19 | 52.00 | 53.17 | 43.16 | 39.63 | 31.55 | 41.80 | |||||||||||||
1975 | 34.17 | a | 32.29 | 32.90 | 33.73 | 40.10 | 45.27 | 54.19 | 50.94 | 53.07 | 42.16 | 36.63 | 37.97 | a | 41.12 | |||||||||||
1976 | 38.40 | a | 37.69 | 35.23 | 34.70 | 43.74 | 47.72 | a | 55.19 | 50.10 | 54.10 | 48.16 | 45.19 | i | 38.06 | 43.92 | a | |||||||||
1977 | 36.68 | 37.61 | 31.16 | 37.93 | 39.45 | 49.20 | 55.74 | 57.39 | 53.71 | w | 47.84 | 43.00 | 41.16 | 43.38 | a | |||||||||||
1978 | 38.03 | 38.32 | 41.73 | e | 38.00 | 42.65 | 48.53 | 55.58 | 53.92 | e | 53.89 | l | 50.42 | 37.20 | 34.74 | 43.56 | a | |||||||||
1979 | 32.71 | 33.36 | c | 36.55 | 37.97 | 43.86 | q | 50.23 | 54.29 | ----- | z | 55.93 | 45.19 | 39.70 | 39.84 | 42.58 | b | |||||||||
1980 | 40.07 | a | 41.72 | 36.48 | 40.50 | 41.81 | 44.67 | 57.06 | 52.84 | 49.80 | 48.00 | 40.07 | 42.20 | a | 44.60 | |||||||||||
1981 | 37.58 | 38.21 | 35.42 | 40.87 | 43.81 | 53.50 | 55.16 | 57.77 | 52.53 | 44.79 | g | 41.53 | 39.29 | 45.06 | a | |||||||||||
1982 | 34.68 | c | 38.36 | 37.97 | 39.30 | 43.19 | 44.57 | 53.39 | 58.06 | 53.20 | 44.90 | 38.93 | b | 33.70 | a | 43.35 | ||||||||||
1983 | 40.17 | b | 36.44 | a | 38.23 | 36.90 | 43.00 | 45.80 | 52.35 | 59.93 | d | 56.77 | 48.39 | 37.83 | 37.69 | b | 44.46 | |||||||||
1984 | 37.70 | a | 34.50 | a | 36.68 | 37.40 | 46.16 | 48.37 | 60.42 | 59.13 | a | 58.43 | 43.73 | e | 37.33 | 35.07 | a | 44.58 | ||||||||
1985 | 35.87 | a | 33.10 | r | 34.29 | 41.79 | a | 42.32 | 49.73 | 57.55 | 52.55 | 47.27 | 43.93 | a | 36.37 | 38.13 | 43.62 | a | ||||||||
1986 | 40.67 | a | 36.86 | 38.37 | a | 37.58 | f | 39.94 | 47.20 | 52.52 | 59.35 | 45.23 | 44.32 | 41.53 | 36.14 | b | 43.83 | a | ||||||||
1987 | 34.26 | 34.21 | 36.32 | 43.00 | 45.26 | 49.00 | 48.90 | 53.55 | 50.97 | 50.19 | 41.97 | 32.13 | 43.31 | |||||||||||||
1988 | 36.00 | c | 40.38 | 37.97 | a | 40.77 | 43.04 | c | 47.86 | a | 57.31 | b | 50.53 | n | ----- | z | ----- | z | ----- | z | ----- | z | 43.33 | e | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.37 | 34.63 | 34.76 | 36.99 | 40.55 | 45.77 | 53.04 | 53.70 | 49.29 | 43.29 | 38.15 | 35.50 | 41.79 | |||||||||||||
S.D. | 3.37 | 3.47 | 2.81 | 3.01 | 2.84 | 4.48 | 4.40 | 5.39 | 5.06 | 4.51 | 2.83 | 3.14 | 2.74 | |||||||||||||
SKEW | 0.12 | -0.25 | 0.02 | 0.03 | -0.40 | -0.95 | -0.63 | -0.98 | -0.28 | -0.39 | -0.03 | 0.37 | -1.23 | |||||||||||||
MAX | 40.67 | 41.72 | 41.73 | 43.00 | 46.16 | 53.50 | 60.42 | 60.45 | 58.43 | 50.42 | 43.90 | 42.20 | 44.60 | |||||||||||||
MIN | 28.06 | 25.45 | 29.29 | 29.87 | 34.23 | 35.03 | 44.00 | 40.21 | 39.43 | 34.35 | 32.33 | 30.62 | 36.11 | |||||||||||||
YRS | 38 | 38 | 38 | 36 | 38 | 38 | 36 | 37 | 36 | 37 | 37 | 32 | 17 |