YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.15 | 42.81 | 33.97 | 26.77 | 38.42 | h | ||||
1942 | 22.43 | b | 14.32 | 25.95 | 41.11 | b | 43.71 | 55.29 | b | 64.30 | a | 63.92 | 51.22 | 44.45 | 32.08 | 23.68 | 40.20 | |||||||||
1943 | ----- | z | ----- | z | ----- | z | 45.13 | 43.87 | 54.10 | 62.52 | 62.85 | a | 50.62 | 43.37 | 32.23 | 29.69 | 47.15 | c | ||||||||
1944 | 19.89 | 19.29 | 22.87 | 24.59 | a | 42.08 | 52.63 | 61.66 | 60.61 | 51.48 | 45.40 | 32.48 | b | 18.23 | 37.60 | |||||||||||
1945 | 19.27 | a | 19.21 | 28.45 | 27.14 | b | 46.19 | d | 48.26 | a | 57.95 | a | 58.02 | 44.95 | a | 39.21 | 24.55 | 17.63 | a | 35.90 | ||||||
1946 | 20.82 | 19.05 | 29.17 | a | 42.35 | 39.02 | a | 55.70 | 59.98 | 59.40 | a | 50.47 | 38.45 | 20.38 | d | 24.00 | 38.23 | |||||||||
1947 | 16.78 | a | ----- | z | 23.95 | 32.73 | 43.88 | b | 46.20 | h | ----- | z | ----- | z | 52.43 | 41.11 | 21.20 | 25.32 | 32.18 | d | ||||||
1948 | 9.23 | a | 12.55 | a | 17.59 | b | 34.72 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 21.52 | 14.03 | 18.27 | f | ||
1949 | 7.73 | a | 13.62 | 25.44 | 35.58 | 36.33 | y | ----- | z | ----- | z | ----- | z | ----- | z | 36.96 | h | 40.68 | 22.68 | 24.29 | f | |||||
1950 | 21.28 | a | 29.23 | 28.48 | 33.48 | a | 40.87 | 53.68 | 56.39 | 57.02 | 49.43 | 47.56 | 32.72 | 31.55 | 40.14 | |||||||||||
1951 | 18.39 | 26.95 | 25.35 | 32.12 | f | 45.42 | 47.93 | 59.73 | a | 57.27 | 49.52 | 39.68 | 27.92 | 20.05 | a | 38.02 | a | |||||||||
1952 | 22.48 | 23.03 | 22.90 | 36.43 | 44.55 | 55.50 | j | 59.50 | 58.90 | 53.78 | e | 44.37 | 21.00 | j | 27.24 | 39.32 | b | |||||||||
1953 | 30.73 | 23.68 | 30.65 | d | 30.87 | 40.85 | 56.72 | a | 62.44 | f | 58.86 | f | 53.93 | g | 44.36 | f | 31.25 | l | 23.63 | 33.88 | e | |||||
1954 | 28.02 | c | 33.25 | d | 24.88 | c | 40.81 | a | 44.62 | a | 54.12 | e | 62.77 | 59.66 | b | 54.74 | e | 47.00 | u | ----- | z | ----- | z | 44.76 | c | |
1955 | 20.92 | 17.62 | 23.10 | 33.13 | g | 43.35 | e | 51.96 | d | 61.35 | 60.48 | 52.66 | a | 46.17 | g | 27.67 | 28.16 | 38.73 | b | |||||||
1956 | 27.23 | a | 18.35 | p | 28.73 | 35.17 | 48.55 | a | 57.83 | 59.53 | 55.68 | n | 55.17 | 43.58 | a | 27.32 | 29.47 | 41.26 | b | |||||||
1957 | 19.37 | a | 30.36 | 29.06 | 33.00 | b | 42.79 | 51.86 | a | 59.93 | b | 58.77 | a | ----- | z | ----- | z | ----- | z | ----- | z | 40.64 | d | |||
1958 | 25.33 | p | 31.64 | 22.95 | 33.90 | 50.58 | g | 55.93 | 59.12 | a | 61.19 | 54.22 | 44.13 | 33.45 | 29.78 | a | 42.63 | b | ||||||||
1959 | 23.57 | a | 23.23 | 26.39 | 35.05 | 43.73 | 58.02 | 59.82 | 60.66 | 49.10 | 39.32 | l | ----- | z | ----- | z | 42.17 | c | ||||||||
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 | 59.28 | o | 53.24 | a | 46.11 | 35.88 | 31.70 | c | 41.73 | h | ||
1963 | 16.50 | a | 27.88 | 27.10 | 36.43 | 48.02 | 55.08 | 63.59 | h | 58.95 | 56.40 | 49.37 | 36.32 | 25.13 | 39.74 | a | ||||||||||
1964 | 21.58 | 18.77 | c | 22.05 | 33.57 | 45.78 | a | 51.95 | a | 64.79 | 57.76 | 51.38 | 44.08 | 32.45 | a | 23.98 | 39.01 | |||||||||
1965 | 28.22 | a | 23.86 | 18.39 | 38.78 | 43.74 | 52.13 | 59.52 | 55.43 | a | 44.28 | 46.88 | a | 36.27 | 29.07 | a | 39.71 | |||||||||
1966 | 22.82 | 19.56 | a | 31.89 | c | 34.17 | a | 47.65 | a | 53.68 | 61.98 | 57.08 | 53.15 | 41.29 | b | 35.55 | a | 26.81 | e | 40.47 | ||||||
1967 | 27.54 | e | 25.04 | c | 35.61 | c | 37.02 | c | 42.15 | a | 50.22 | a | 58.85 | a | 57.76 | d | 51.36 | a | 46.81 | 35.50 | h | 22.52 | a | 41.35 | a | |
1968 | 29.02 | 29.17 | 32.21 | c | 34.13 | 43.47 | 55.73 | 59.84 | 56.34 | 49.78 | 45.47 | 28.88 | 24.76 | b | 40.73 | |||||||||||
1969 | 30.17 | a | 25.98 | 22.16 | 40.12 | a | 48.24 | 49.95 | 61.65 | 61.85 | 53.87 | 33.52 | 34.25 | 28.44 | g | 41.98 | a | |||||||||
1970 | 26.65 | 31.50 | 25.53 | a | 33.45 | a | 48.76 | 54.10 | 60.69 | 61.44 | 48.62 | 38.18 | n | 30.41 | a | 23.47 | 40.42 | a | ||||||||
1971 | 22.02 | a | 22.41 | 26.11 | d | 35.75 | 42.97 | b | 55.62 | 58.90 | 59.07 | a | 47.65 | 40.92 | 30.18 | 21.04 | e | 38.55 | ||||||||
1972 | 21.02 | c | 25.77 | a | 34.38 | a | 37.92 | 44.87 | 55.77 | 58.84 | 57.55 | b | 51.52 | a | 42.34 | b | 26.39 | g | 20.73 | e | 40.97 | a | ||||
1973 | 22.15 | a | 25.33 | a | 26.67 | a | 30.84 | a | 44.63 | 55.57 | 57.79 | 59.19 | b | 49.90 | a | 43.57 | x | 33.95 | h | 27.66 | l | 41.34 | c | |||
1974 | 22.15 | a | 31.50 | i | 36.05 | a | 37.37 | 48.34 | b | 56.52 | b | ----- | z | 56.05 | 49.45 | a | 44.13 | 32.81 | a | 23.18 | n | 42.54 | c | |||
1975 | 24.17 | b | 22.91 | 27.39 | 33.71 | f | 43.42 | a | 52.53 | 60.12 | a | 58.97 | 50.38 | 44.78 | f | 29.96 | e | 35.16 | o | 41.09 | c | |||||
1976 | 25.90 | b | 33.23 | c | 27.37 | 38.32 | 45.80 | a | 53.08 | 60.48 | 56.88 | a | 52.05 | 40.95 | b | 27.73 | h | 28.68 | n | 43.41 | b | |||||
1977 | 21.61 | 28.00 | 26.83 | g | 37.03 | a | 45.19 | 59.13 | 61.13 | a | 58.58 | 53.67 | 45.85 | 34.65 | f | 31.22 | v | 45.58 | c | |||||||
1978 | 24.15 | e | 27.07 | 34.23 | 38.53 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.00 | h | |||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | 49.28 | v | ----- | z | ----- | z | ----- | z | ----- | z | 41.36 | i | 23.07 | 26.82 | a | 24.94 | j | |
1980 | 21.52 | b | 28.21 | 28.18 | 34.45 | a | 44.16 | 57.37 | 63.66 | 58.26 | 52.45 | 38.95 | 30.10 | 34.13 | 40.95 | |||||||||||
1981 | 26.60 | 26.36 | 26.16 | 42.92 | ----- | z | 58.62 | a | 61.18 | 56.79 | 53.62 | 40.57 | a | 34.58 | 25.79 | 41.20 | a | |||||||||
1982 | 21.60 | a | 23.81 | a | 29.13 | 33.83 | a | 43.31 | 50.07 | 59.92 | a | 60.56 | 50.43 | 39.05 | 27.36 | a | 24.15 | 38.60 | ||||||||
1983 | 27.42 | 27.39 | 26.62 | a | 28.71 | d | 40.87 | a | 50.76 | a | 60.77 | 61.24 | 54.02 | a | 42.45 | 28.87 | 16.10 | b | 38.77 | |||||||
1984 | 22.96 | d | 25.67 | 27.61 | 30.48 | 47.40 | 53.23 | 61.18 | 59.15 | 49.88 | 34.66 | 31.80 | 26.02 | 39.17 | ||||||||||||
1985 | 19.24 | 21.04 | 29.94 | 39.58 | 47.31 | 55.58 | 60.26 | 58.98 | 46.93 | a | 40.05 | 25.25 | 25.00 | 39.10 | ||||||||||||
1986 | 32.40 | b | 24.94 | c | 35.50 | 37.45 | a | 44.28 | b | 56.87 | 60.03 | 58.95 | b | 50.14 | b | 40.08 | s | 31.43 | 24.34 | b | 41.48 | a | ||||
1987 | 23.42 | a | 25.04 | 28.47 | 41.61 | b | 47.67 | g | 55.25 | 59.92 | 57.05 | 50.48 | a | 42.55 | 30.23 | 20.08 | a | 39.46 | a | |||||||
1988 | 19.32 | 25.50 | 27.47 | 38.33 | 46.58 | a | 57.00 | t | 60.90 | 60.60 | 49.55 | a | 44.02 | 29.19 | a | 22.81 | 38.57 | a | ||||||||
1989 | 25.24 | 15.09 | e | 33.58 | a | 37.55 | 45.98 | a | 50.69 | a | 60.95 | 57.53 | 49.50 | 40.55 | a | 33.57 | 22.92 | 39.43 | ||||||||
1990 | 25.56 | 23.29 | 29.41 | c | 36.92 | 42.97 | a | 56.10 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.71 | f | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 22.77 | 24.14 | 27.56 | 35.89 | 44.60 | 54.09 | 60.48 | 58.97 | 51.06 | 42.49 | 30.46 | 24.57 | 39.16 | |||||||||||||
S.D. | 4.90 | 5.16 | 4.28 | 4.21 | 2.36 | 2.81 | 1.72 | 1.93 | 2.57 | 3.46 | 4.60 | 4.36 | 1.28 | |||||||||||||
SKEW | -0.78 | -0.41 | 0.04 | -0.31 | -0.04 | -0.34 | 0.40 | 0.46 | -0.40 | -0.49 | -0.40 | -0.18 | -0.84 | |||||||||||||
MAX | 32.40 | 33.25 | 36.05 | 45.13 | 48.76 | 59.13 | 64.79 | 63.92 | 56.40 | 49.37 | 40.68 | 34.13 | 40.95 | |||||||||||||
MIN | 7.73 | 12.55 | 17.59 | 24.59 | 39.02 | 47.93 | 56.39 | 55.43 | 44.28 | 33.52 | 20.38 | 14.03 | 35.90 | |||||||||||||
YRS | 43 | 41 | 43 | 42 | 39 | 39 | 37 | 38 | 41 | 34 | 36 | 37 | 16 |