YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.71 | c | 32.62 | 20.02 | a | 34.45 | i | |
1939 | 20.48 | b | 13.13 | b | 28.05 | 41.03 | ----- | z | ----- | z | 71.19 | 68.21 | ----- | z | 47.68 | 35.19 | a | 27.06 | d | 39.11 | c | |||||
1940 | 7.36 | b | 22.36 | a | 22.57 | a | 42.42 | 53.40 | 64.83 | d | 70.77 | a | 66.45 | c | 59.39 | h | 50.16 | 29.38 | e | 23.30 | d | 41.18 | a | |||
1941 | 18.11 | d | 16.43 | e | 27.40 | e | 51.70 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.43 | b | 35.16 | b | 27.37 | a | 31.94 | e |
1942 | 18.20 | c | 15.54 | c | 32.21 | c | 48.89 | b | 54.40 | g | 63.98 | 67.67 | a | 65.95 | 55.71 | b | 47.53 | a | 32.68 | b | 14.59 | c | 42.09 | a | ||
1943 | 8.78 | a | 15.78 | a | 17.88 | c | 41.24 | a | 53.48 | a | 72.45 | t | 71.29 | 69.13 | 56.35 | c | 47.31 | 29.98 | c | 22.68 | 39.45 | a | ||||
1944 | 25.90 | 21.10 | 25.82 | 41.10 | a | 60.82 | 68.12 | 68.15 | a | 69.93 | a | 61.26 | a | 51.95 | t | 36.95 | i | 17.98 | b | 46.02 | b | |||||
1945 | 12.45 | 18.02 | a | 40.19 | 44.83 | a | 52.69 | 61.10 | 67.85 | 68.46 | c | 57.98 | a | 45.76 | 32.07 | 14.50 | 42.99 | |||||||||
1946 | 17.74 | 16.59 | a | 40.00 | 47.42 | 53.42 | a | 63.75 | 68.66 | 65.39 | 59.34 | b | 51.55 | 34.05 | 22.15 | 45.00 | ||||||||||
1947 | 19.81 | 13.91 | 29.45 | 42.42 | 50.56 | 61.72 | a | 67.02 | a | 73.94 | 54.17 | o | 57.40 | a | ----- | z | ----- | z | 46.25 | c | ||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 72.11 | l | 73.19 | 69.52 | 54.90 | 51.27 | 34.40 | 21.44 | 50.79 | f | ||||||
1950 | 13.24 | 16.11 | 24.13 | 36.90 | 55.87 | 64.63 | 65.89 | 62.65 | 57.93 | 52.76 | 28.95 | 12.42 | 40.96 | |||||||||||||
1951 | 9.88 | a | 17.72 | a | 24.37 | 41.93 | 59.66 | 62.05 | a | 67.23 | 63.20 | a | 53.18 | b | 47.76 | 24.25 | 17.08 | 40.69 | ||||||||
1952 | 15.53 | 21.29 | 26.30 | a | 47.12 | 54.50 | 66.38 | 70.20 | a | 65.15 | 57.00 | 38.23 | 32.26 | a | 23.29 | 43.10 | ||||||||||
1953 | 19.19 | 16.79 | 30.08 | 40.67 | 55.98 | 67.32 | 68.66 | 67.81 | 58.27 | 53.03 | 37.68 | 24.17 | a | 44.97 | ||||||||||||
1954 | 14.72 | a | 29.39 | 27.76 | 45.90 | 49.69 | b | 67.88 | 70.16 | 66.24 | 58.80 | 46.31 | 36.73 | 22.48 | 44.67 | |||||||||||
1955 | 15.05 | 16.48 | 26.00 | 50.65 | 59.34 | 64.32 | 74.90 | 71.97 | 60.17 | 49.53 | 28.15 | 14.29 | 44.24 | |||||||||||||
1956 | 15.48 | 15.81 | 23.45 | 41.20 | 55.29 | 68.26 | a | 66.29 | 67.27 | 55.45 | a | 53.55 | 32.65 | 22.90 | 43.13 | |||||||||||
1957 | 9.29 | 21.29 | 31.31 | 45.82 | 54.92 | 65.87 | 71.65 | 66.97 | 57.20 | 45.56 | 32.08 | 22.61 | 43.71 | |||||||||||||
1958 | 19.16 | 14.23 | 31.65 | 45.25 | 56.00 | 61.17 | 67.24 | 68.08 | 59.73 | 50.81 | 35.00 | 12.95 | 43.44 | |||||||||||||
1959 | 7.61 | 12.82 | 27.02 | 44.87 | 60.52 | a | 66.42 | 68.45 | b | 71.66 | 61.02 | 44.03 | 24.64 | a | 28.65 | 43.14 | ||||||||||
1960 | 19.95 | 21.28 | 21.50 | 46.60 | 55.87 | 63.00 | 68.11 | 69.65 | 60.82 | 48.10 | 36.33 | 19.37 | 44.21 | |||||||||||||
1961 | 15.63 | 26.81 | a | 33.03 | 41.42 | 54.58 | 66.15 | 69.16 | 69.11 | 59.45 | 50.55 | 33.33 | 17.68 | 44.74 | ||||||||||||
1962 | 11.52 | 15.11 | 28.53 | 43.52 | 61.58 | 65.28 | 66.21 | 67.03 | 55.93 | 50.89 | 35.28 | 20.55 | 43.45 | |||||||||||||
1963 | 4.58 | 12.30 | 31.37 | 47.55 | 54.87 | 67.73 | 70.39 | 66.00 | 59.88 | 57.35 | 38.98 | 12.95 | 43.66 | |||||||||||||
1964 | 21.19 | 24.21 | 28.60 | a | 47.08 | 61.74 | 66.13 | 72.24 | 66.35 | 58.45 | 46.24 | 37.48 | 16.23 | 45.50 | ||||||||||||
1965 | 12.40 | 14.86 | 22.92 | 41.78 | 61.11 | 64.68 | 67.71 | 66.44 | 55.50 | 49.05 | 34.62 | a | 27.27 | 43.20 | ||||||||||||
1966 | 6.05 | 19.39 | 34.58 | 42.27 | 52.58 | 66.70 | 72.42 | a | 65.73 | 57.55 | 47.77 | 34.22 | a | 19.66 | 43.24 | |||||||||||
1967 | 18.37 | 11.16 | 29.00 | 44.88 | a | 51.21 | 65.60 | 66.89 | 63.56 | v | 56.75 | 46.37 | 30.88 | 23.96 | d | 40.46 | a | |||||||||
1968 | 16.81 | b | 16.03 | 37.92 | 47.48 | 53.71 | 64.41 | a | 68.00 | 67.75 | a | 59.03 | 50.42 | 34.20 | 18.50 | 44.52 | ||||||||||
1969 | 11.35 | 18.91 | 23.53 | 47.07 | 57.92 | 57.93 | 68.90 | 68.48 | 57.85 | 46.13 | 32.46 | c | 21.91 | b | 42.71 | |||||||||||
1970 | 7.52 | 15.80 | 25.45 | 46.43 | 58.35 | 66.63 | 70.34 | 67.57 | a | 60.12 | 50.16 | 33.42 | 19.47 | 43.44 | ||||||||||||
1971 | 7.57 | a | 16.66 | 25.16 | 44.40 | 52.98 | a | 71.30 | j | 64.73 | 63.81 | 60.18 | 54.29 | 34.02 | 21.38 | a | 40.47 | a | ||||||||
1972 | 9.08 | 12.81 | 23.42 | a | 40.79 | d | 57.79 | j | 64.65 | q | 66.76 | 67.40 | 58.67 | 44.08 | a | 32.53 | 17.34 | f | 39.50 | c | ||||||
1973 | 18.82 | 21.96 | 39.48 | 43.13 | 51.87 | 66.76 | a | 70.42 | 69.40 | 59.30 | 53.38 | b | 33.52 | b | 18.74 | b | 45.57 | |||||||||
1974 | 15.63 | 16.82 | 30.26 | 47.15 | 53.53 | 61.70 | 71.34 | 66.08 | 54.66 | a | 48.15 | a | 35.48 | a | 24.98 | a | 43.82 | |||||||||
1975 | 16.75 | a | 16.94 | a | 23.61 | 37.92 | 59.52 | 64.85 | 69.35 | 67.85 | 54.35 | 50.79 | 38.37 | 21.73 | c | 43.50 | ||||||||||
1976 | 10.84 | 24.61 | a | 31.73 | a | 46.68 | b | 54.10 | 66.58 | 70.31 | 66.18 | 57.23 | 42.18 | 25.48 | a | 8.75 | a | 42.06 | ||||||||
1977 | 1.21 | 19.46 | 36.95 | a | 51.13 | 64.16 | 63.75 | 72.06 | 64.61 | 60.12 | a | 46.67 | b | 33.75 | 16.74 | b | 44.22 | |||||||||
1978 | 8.38 | a | 9.57 | a | 26.50 | 43.09 | a | 58.31 | 64.32 | 67.98 | b | 68.15 | 63.13 | 46.70 | c | 33.22 | a | 14.44 | o | 44.49 | a | |||||
1979 | 3.39 | 10.39 | 29.75 | c | 42.22 | 54.55 | a | 64.45 | a | 68.76 | 65.77 | 60.37 | 46.52 | d | 32.42 | 26.95 | b | 42.13 | ||||||||
1980 | 15.00 | 14.64 | a | 25.73 | a | 47.05 | 58.73 | 64.13 | 70.48 | 68.58 | 59.30 | 43.34 | 34.78 | 20.23 | 43.50 | |||||||||||
1981 | 17.61 | 22.75 | 34.82 | 47.16 | a | 54.34 | b | 65.41 | a | 69.00 | 67.34 | 57.43 | b | 45.79 | 37.17 | a | 17.89 | 44.73 | ||||||||
1982 | ----- | z | 15.29 | b | 28.04 | d | 41.48 | d | 61.79 | c | 59.59 | b | 69.95 | 65.57 | b | 58.23 | 49.90 | b | 33.37 | c | 26.73 | e | 46.36 | a | ||
1983 | 20.56 | 27.00 | a | 33.60 | 41.59 | a | 51.08 | e | ----- | z | 73.87 | 72.68 | c | 59.39 | b | 47.98 | b | 36.54 | d | 10.38 | f | 46.43 | b | |||
1984 | 14.61 | d | 30.64 | a | 25.93 | a | 47.33 | a | 52.82 | c | 67.02 | 67.82 | 69.71 | 57.03 | a | 50.45 | a | 33.31 | d | 23.26 | h | 46.97 | a | |||
1985 | 13.05 | c | 16.08 | b | 36.18 | 50.91 | b | 60.28 | a | 62.10 | a | 67.83 | d | 65.26 | 59.12 | a | 48.89 | c | 28.38 | 9.27 | a | 43.11 | ||||
1986 | 16.64 | b | ----- | z | 35.63 | e | 50.15 | 58.58 | a | 65.63 | 70.89 | c | 63.77 | c | 59.11 | b | 49.24 | b | 29.32 | b | 22.38 | a | 47.40 | a | ||
1987 | 20.94 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 20.94 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 13.99 | 17.92 | 29.11 | 44.77 | 56.10 | 64.71 | 69.31 | 67.43 | 58.22 | 48.72 | 33.06 | 20.12 | 43.59 | |||||||||||||
S.D. | 5.45 | 4.84 | 5.27 | 3.51 | 3.63 | 2.38 | 2.21 | 2.41 | 2.10 | 3.63 | 3.36 | 4.87 | 1.15 | |||||||||||||
SKEW | -0.31 | 0.78 | 0.39 | 0.03 | 0.31 | -0.80 | 0.35 | 0.48 | -0.28 | -0.02 | -0.80 | -0.41 | -0.56 | |||||||||||||
MAX | 25.90 | 30.64 | 40.19 | 51.70 | 64.16 | 68.26 | 74.90 | 73.94 | 63.13 | 57.40 | 38.98 | 28.65 | 45.57 | |||||||||||||
MIN | 1.21 | 9.57 | 17.88 | 36.90 | 49.69 | 57.93 | 64.73 | 62.65 | 53.18 | 38.23 | 24.25 | 8.75 | 40.69 | |||||||||||||
YRS | 46 | 45 | 46 | 46 | 42 | 40 | 46 | 45 | 43 | 47 | 46 | 43 | 31 |