YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.29 | 58.20 | a | ----- | z | ----- | z | ----- | z | ----- | z | 58.25 | j | |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | 44.39 | 52.77 | 57.68 | 56.84 | 53.60 | 42.97 | 31.80 | 24.29 | 45.54 | d | ||||||||
1952 | 20.19 | 30.10 | 32.74 | 38.27 | 45.90 | 48.77 | 56.67 | a | 56.58 | 52.20 | 46.35 | 25.80 | 28.32 | 40.16 | ||||||||||||
1953 | 36.68 | 32.68 | 34.52 | 37.27 | 41.35 | 46.87 | 55.13 | 54.93 | b | 49.87 | 41.45 | 35.30 | 31.29 | 41.44 | ||||||||||||
1954 | 24.39 | 30.86 | 29.00 | a | 34.67 | 42.61 | 44.90 | 51.42 | 51.26 | 46.27 | 37.10 | 36.53 | 24.87 | 37.82 | ||||||||||||
1955 | 26.23 | 26.68 | 27.90 | 32.47 | 42.16 | 51.13 | 54.03 | b | 57.32 | 49.27 | 41.58 | 27.27 | 25.67 | a | 38.48 | |||||||||||
1956 | 26.58 | 21.17 | 34.16 | 41.47 | 48.97 | a | 48.10 | 59.13 | 57.52 | 50.86 | a | 40.17 | a | 28.77 | 28.10 | 40.42 | ||||||||||
1957 | 11.61 | 28.00 | 34.29 | 41.27 | 49.06 | 54.33 | 54.03 | 54.30 | a | 52.77 | 38.42 | 31.87 | 31.16 | 40.09 | ||||||||||||
1958 | 29.06 | 35.61 | 32.55 | 36.34 | a | 46.32 | 54.97 | 58.52 | 58.65 | 49.47 | 40.48 | 33.83 | 29.52 | 42.11 | ||||||||||||
1959 | 26.67 | a | 29.39 | 28.90 | 37.93 | 40.52 | 50.10 | 59.26 | 52.81 | 45.83 | 41.13 | 26.07 | a | 27.29 | 38.82 | |||||||||||
1960 | 18.27 | a | 28.45 | 31.35 | 37.77 | 40.84 | 51.10 | 61.00 | 53.39 | 49.27 | 40.94 | 32.27 | 23.39 | 39.00 | ||||||||||||
1961 | 27.90 | 35.82 | 36.58 | 38.50 | 43.71 | 54.20 | 59.68 | 59.42 | 44.27 | 38.55 | 27.03 | 29.03 | a | 41.22 | ||||||||||||
1962 | 24.50 | a | 30.96 | a | 32.45 | 40.07 | 41.03 | 48.33 | 55.45 | 55.65 | 50.93 | ----- | z | ----- | z | ----- | z | 42.15 | c | |||||||
1963 | 14.00 | w | 33.29 | 34.03 | 37.93 | 46.55 | 52.03 | 53.48 | 57.90 | 56.30 | 44.90 | 36.57 | 25.50 | a | 43.50 | a | ||||||||||
1964 | 31.61 | 31.31 | 32.71 | 35.83 | 41.58 | 49.67 | 55.52 | ----- | z | ----- | z | 41.61 | 31.67 | c | 23.25 | k | 39.06 | c | ||||||||
1965 | 29.24 | b | 33.36 | 31.95 | i | 39.54 | b | 43.07 | d | 51.82 | b | 58.50 | a | 58.20 | a | 48.26 | c | 45.94 | 37.00 | b | 28.71 | c | 43.06 | a | ||
1966 | 30.43 | c | 31.96 | 33.73 | a | 38.31 | d | 45.24 | f | 49.03 | 57.24 | b | 56.64 | c | 54.38 | i | 41.80 | a | 36.22 | c | 32.85 | e | 40.82 | b | ||
1967 | 34.10 | b | 33.30 | a | 33.12 | e | 35.13 | 46.48 | b | 55.80 | 60.20 | a | 66.00 | h | 57.97 | a | 45.32 | 34.38 | d | 28.65 | h | 43.58 | b | |||
1968 | 28.86 | b | 34.14 | 37.48 | 38.65 | d | 44.68 | c | 52.00 | 64.88 | o | 56.57 | q | ----- | z | 41.61 | 34.68 | h | 25.17 | h | 39.63 | e | ||||
1969 | 16.15 | d | 29.82 | f | 33.74 | 37.63 | 47.03 | a | ----- | z | ----- | z | ----- | z | 50.03 | a | 40.41 | d | ----- | z | ----- | z | 37.50 | f | ||
1970 | ----- | z | 34.28 | c | 33.96 | c | 37.05 | j | 43.00 | c | 59.59 | m | 61.18 | c | 56.77 | r | 45.04 | e | 37.21 | b | 32.46 | d | 28.73 | i | 41.02 | e |
1971 | ----- | z | 32.00 | g | 31.20 | a | 35.33 | 45.00 | 46.73 | 59.13 | 60.77 | 46.57 | 39.90 | 32.80 | 28.26 | 42.57 | b | |||||||||
1972 | 27.35 | 29.62 | 37.06 | 31.41 | a | 45.10 | 50.03 | 59.58 | 59.61 | 47.27 | 39.65 | 35.80 | 20.03 | a | 40.21 | |||||||||||
1973 | 23.33 | a | 29.93 | a | 34.00 | 37.80 | 45.39 | 51.33 | 57.52 | 54.97 | 51.83 | 42.71 | 33.40 | 32.06 | 41.19 | |||||||||||
1974 | 21.71 | 33.68 | 34.58 | 39.43 | 42.94 | 53.93 | 55.32 | 57.93 | a | 53.23 | 41.84 | f | 35.34 | a | 32.90 | a | 41.91 | a | ||||||||
1975 | 27.77 | 27.54 | 32.77 | 34.47 | 43.74 | 49.48 | a | 59.00 | 52.94 | 50.83 | 44.00 | 32.40 | 31.45 | 40.53 | ||||||||||||
1976 | 31.16 | 31.00 | a | 31.77 | 36.53 | 43.32 | 48.67 | 55.58 | 54.87 | 52.30 | 42.19 | 34.20 | 27.26 | 40.74 | ||||||||||||
1977 | 19.52 | 31.46 | 33.71 | 39.00 | 40.32 | 53.23 | 55.00 | 61.61 | 47.50 | ----- | z | 31.20 | 30.03 | 40.24 | a | |||||||||||
1978 | 27.03 | 32.86 | 38.19 | 39.43 | 42.14 | c | 53.37 | 57.68 | 56.23 | 49.00 | 40.74 | 22.59 | a | 24.50 | a | 40.31 | ||||||||||
1979 | 9.16 | 30.82 | 35.48 | 38.87 | 48.29 | 52.27 | 56.81 | 55.32 | 53.27 | 45.26 | 30.00 | 31.13 | 40.56 | |||||||||||||
1980 | 21.33 | a | 28.54 | a | 34.47 | a | 39.93 | 43.83 | b | 49.43 | 56.26 | 55.26 | 51.77 | 42.41 | d | 34.96 | b | 31.10 | 40.77 | |||||||
1981 | 33.74 | 31.54 | 34.84 | 39.57 | 44.13 | 51.67 | 56.68 | 59.29 | 48.40 | 39.50 | a | 36.53 | 29.45 | 42.11 | ||||||||||||
1982 | 28.56 | d | 31.48 | a | 33.16 | 34.83 | 42.00 | 53.67 | 54.32 | 56.87 | 48.63 | 40.39 | 28.86 | a | 27.97 | b | 40.06 | |||||||||
1983 | 32.71 | c | 33.54 | 37.97 | 37.79 | a | 46.84 | 49.27 | 53.10 | 55.32 | 47.43 | 41.35 | 36.97 | 18.78 | d | 40.92 | ||||||||||
1984 | 29.14 | b | 32.24 | 38.61 | 38.93 | 44.00 | 50.57 | 58.06 | 54.45 | 47.13 | 37.87 | 33.37 | 22.83 | b | 40.60 | |||||||||||
1985 | 21.50 | a | 25.39 | 33.23 | 42.31 | a | 46.13 | 51.80 | 61.00 | a | 54.30 | a | 46.10 | 38.84 | 16.97 | a | 13.03 | 37.55 | ||||||||
1986 | 27.90 | b | 32.96 | 39.21 | b | 36.53 | 43.94 | 51.80 | 52.73 | a | 59.00 | 46.97 | 42.94 | 33.76 | e | 26.21 | b | 41.16 | ||||||||
1987 | 29.48 | b | 32.68 | 39.63 | a | 39.38 | a | 45.30 | a | 53.20 | 54.90 | 55.94 | 52.33 | 42.42 | 35.63 | 25.55 | 42.20 | |||||||||
1988 | 27.87 | a | 33.70 | b | 36.19 | 39.07 | 39.00 | 50.07 | a | 53.61 | 51.19 | 45.53 | 43.65 | 33.07 | b | 28.76 | f | 41.18 | a | |||||||
1989 | 28.17 | b | 17.64 | f | 32.85 | d | 41.43 | b | 41.48 | 48.57 | 50.32 | 49.77 | 43.53 | 35.68 | 36.00 | a | 23.37 | a | 39.20 | a | ||||||
1990 | 30.29 | 27.92 | d | 33.94 | 39.43 | 41.20 | a | 47.70 | 60.39 | 59.32 | 48.77 | 33.87 | 34.75 | b | 13.85 | e | 39.28 | |||||||||
1991 | 22.33 | d | 34.37 | a | 29.65 | 34.27 | 39.16 | 44.03 | a | 55.35 | 55.97 | 46.97 | 36.43 | a | 34.42 | d | 30.00 | e | 38.58 | |||||||
1992 | 29.71 | c | 34.86 | a | 36.61 | 41.07 | c | 44.94 | 55.93 | a | 58.48 | 68.71 | 47.20 | 41.26 | 30.03 | 29.43 | a | 43.19 | ||||||||
1993 | 23.43 | c | 22.32 | c | 31.20 | a | 42.87 | 62.72 | b | 51.83 | 51.94 | 53.61 | 49.10 | ----- | z | ----- | z | ----- | z | 43.22 | c | |||||
1994 | ----- | z | ----- | z | ----- | z | ----- | z | 46.88 | n | ----- | z | 60.81 | d | 58.14 | x | ----- | z | 33.17 | y | 31.36 | h | ----- | z | 60.81 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 26.04 | 31.02 | 33.99 | 38.02 | 44.29 | 50.84 | 56.74 | 56.48 | 49.35 | 41.00 | 32.25 | 26.83 | 40.35 | |||||||||||||
S.D. | 5.82 | 3.31 | 2.76 | 2.55 | 3.83 | 2.76 | 2.82 | 3.33 | 3.19 | 2.82 | 4.30 | 4.81 | 1.36 | |||||||||||||
SKEW | -0.93 | -1.13 | 0.03 | -0.48 | 2.63 | -0.31 | -0.28 | 1.01 | 0.53 | -0.28 | -1.54 | -1.26 | -0.22 | |||||||||||||
MAX | 36.68 | 35.82 | 39.63 | 42.87 | 62.72 | 55.93 | 61.18 | 68.71 | 57.97 | 46.35 | 37.00 | 32.90 | 43.19 | |||||||||||||
MIN | 9.16 | 21.17 | 27.90 | 31.41 | 39.00 | 44.03 | 50.32 | 49.77 | 43.53 | 33.87 | 16.97 | 13.03 | 37.55 | |||||||||||||
YRS | 39 | 39 | 41 | 41 | 42 | 41 | 43 | 39 | 40 | 39 | 39 | 35 | 27 |