YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | 15.62 | 26.26 | 41.77 | 65.55 | 80.60 | 78.06 | 81.14 | c | 66.40 | 61.74 | 37.03 | 23.94 | 52.56 | a | ||||||||||
1957 | 11.68 | 19.54 | 35.03 | 51.63 | 66.87 | 73.30 | 86.06 | 78.84 | 64.90 | 53.03 | 35.30 | 29.19 | 50.45 | |||||||||||||
1958 | 25.65 | 20.36 | 38.35 | 57.10 | 71.34 | b | 71.10 | 77.32 | 82.97 | 72.63 | 60.29 | 36.03 | 17.84 | 52.58 | ||||||||||||
1959 | 8.90 | 16.86 | 39.42 | 55.30 | 64.00 | 79.10 | 84.87 | 87.10 | 69.50 | 46.42 | 27.20 | 30.06 | 50.73 | |||||||||||||
1960 | 15.97 | 19.72 | 25.16 | 49.77 | 68.77 | 74.03 | 85.52 | 83.81 | 71.43 | 58.00 | 37.33 | 21.16 | 50.89 | |||||||||||||
1961 | 18.13 | 25.07 | 40.06 | 47.13 | 67.35 | 84.23 | 80.52 | 88.10 | 66.13 | 57.40 | a | 38.83 | 15.20 | a | 52.35 | |||||||||||
1962 | 14.10 | 13.07 | 28.45 | 49.76 | a | 62.42 | 74.67 | 78.68 | 83.29 | 67.33 | 61.48 | 40.80 | 25.84 | 49.99 | ||||||||||||
1963 | 11.48 | 21.50 | 44.90 | 55.27 | 66.32 | 80.17 | 85.97 | 83.26 | 75.47 | 69.68 | 43.77 | 15.90 | 54.47 | |||||||||||||
1964 | 23.23 | a | 28.36 | a | 29.94 | 53.97 | 71.39 | 74.00 | a | 84.16 | 76.19 | 66.00 | 56.94 | 36.07 | 11.00 | 50.94 | ||||||||||
1965 | 9.61 | 19.85 | a | 24.81 | 49.23 | 65.87 | 74.90 | 80.45 | b | 79.52 | 55.83 | 59.19 | 34.40 | 28.77 | 48.54 | |||||||||||
1966 | 1.58 | 17.36 | 37.94 | 45.40 | 63.57 | a | 76.43 | 83.40 | a | 76.90 | 72.83 | 57.26 | 28.43 | 20.13 | 48.44 | |||||||||||
1967 | 18.90 | 15.57 | 35.63 | a | 46.67 | 63.32 | 76.10 | 85.71 | 85.81 | 74.87 | 53.57 | a | 35.83 | 22.83 | a | 51.23 | ||||||||||
1968 | 14.13 | 19.54 | a | 43.42 | 54.60 | 63.87 | 73.90 | 80.65 | 77.20 | a | 70.13 | 56.35 | 38.66 | a | 15.43 | c | 50.66 | |||||||||
1969 | 4.03 | 19.43 | 26.13 | 54.77 | 69.61 | 69.30 | ----- | z | 89.39 | 72.69 | a | 47.73 | a | 37.83 | 24.39 | 46.85 | a | |||||||||
1970 | 8.71 | 23.32 | 28.94 | 46.67 | 63.13 | 80.77 | 86.65 | 84.45 | 71.87 | 57.70 | a | 33.50 | 19.81 | 50.46 | ||||||||||||
1971 | 6.67 | a | 20.89 | 31.97 | 55.07 | 67.19 | 77.20 | 77.58 | 83.81 | 69.97 | 57.84 | 32.77 | 18.93 | a | 49.99 | |||||||||||
1972 | 11.58 | 14.66 | 33.77 | a | 48.03 | 71.77 | 80.17 | a | 81.00 | 84.29 | 68.07 | 52.87 | 32.43 | 14.35 | 49.42 | |||||||||||
1973 | 23.13 | 27.86 | 42.70 | a | 53.43 | 70.48 | 79.80 | 83.16 | 86.68 | 68.33 | 61.23 | 27.43 | 14.45 | 53.22 | ||||||||||||
1974 | 8.55 | 19.11 | a | 29.68 | 49.37 | 60.84 | 77.93 | 90.48 | f | 75.47 | a | 70.00 | 61.40 | a | 35.33 | f | 28.45 | 48.08 | b | |||||||
1975 | 22.06 | 19.43 | 29.58 | 41.83 | 68.71 | 76.03 | 86.23 | 78.94 | 68.62 | a | 60.57 | c | 38.73 | 24.20 | a | 51.24 | ||||||||||
1976 | 19.88 | f | 30.07 | 33.61 | 58.67 | 72.10 | 81.07 | 86.84 | 86.48 | 78.00 | 53.68 | 36.60 | 15.97 | 57.55 | a | |||||||||||
1977 | 4.84 | 27.73 | b | 42.32 | 65.00 | 79.10 | 78.63 | 82.65 | 73.94 | 63.80 | 59.23 | 34.93 | a | 8.53 | a | 51.72 | ||||||||||
1978 | 4.03 | a | 12.15 | a | 32.61 | 51.67 | 72.42 | 78.76 | a | 83.74 | 84.55 | 76.03 | 58.71 | 33.77 | 16.52 | 50.41 | ||||||||||
1979 | 1.80 | a | 5.89 | a | 28.33 | a | 39.20 | 59.61 | 76.30 | 83.30 | a | 77.77 | a | 77.10 | 55.48 | 32.90 | 32.19 | 47.49 | ||||||||
1980 | 13.61 | 18.90 | 29.87 | 65.80 | 76.84 | 79.87 | 86.93 | a | 76.42 | 67.23 | 53.03 | 39.67 | 21.93 | b | 52.51 | |||||||||||
1981 | 23.50 | a | 28.68 | 43.87 | 60.83 | 67.10 | 72.53 | 80.83 | a | 82.87 | 72.37 | 54.19 | 45.67 | 17.81 | 54.19 | |||||||||||
1982 | -1.31 | b | 17.48 | a | 29.52 | b | 51.59 | a | 66.10 | a | 70.66 | a | 81.81 | 80.23 | 71.63 | 55.16 | 33.79 | a | 28.43 | a | 48.76 | |||||
1983 | 25.06 | 28.82 | 31.27 | a | 49.37 | 65.10 | 76.30 | 86.61 | 90.03 | 69.63 | 54.19 | 33.77 | 6.10 | b | 51.35 | |||||||||||
1984 | 20.10 | 33.28 | 31.26 | 54.97 | a | 68.52 | 76.90 | 84.26 | 87.29 | 68.41 | a | 55.62 | e | 36.30 | c | 19.52 | j | 56.08 | a | |||||||
1985 | 15.65 | e | 17.04 | b | 41.07 | b | 59.78 | c | 75.32 | f | 74.46 | f | 84.32 | i | 75.17 | g | 62.23 | h | 50.83 | g | 21.68 | h | 7.67 | g | 33.38 | h |
1986 | 21.76 | j | 16.76 | c | 42.12 | e | 53.05 | i | 74.84 | f | 78.59 | h | 83.90 | j | 78.42 | l | 64.68 | h | 57.47 | n | 24.36 | h | 25.22 | h | 29.44 | j |
1987 | 24.27 | e | 31.74 | e | 32.17 | h | 63.77 | h | 75.14 | j | 83.05 | i | 83.61 | c | 78.32 | l | 72.10 | i | 53.22 | h | 42.33 | i | 26.00 | 41.40 | h | |
1988 | 14.77 | a | 19.07 | 38.62 | e | 61.50 | 76.39 | 89.97 | 88.81 | 84.84 | 69.77 | 55.17 | a | 32.83 | 22.10 | 54.48 | ||||||||||
1989 | 21.65 | 9.96 | 26.35 | 50.77 | 72.06 | 78.83 | 90.45 | 84.32 | 72.70 | 60.06 | 34.27 | 15.13 | 51.38 | |||||||||||||
1990 | 31.13 | 28.32 | 40.16 | 55.33 | 67.74 | 78.10 | 81.42 | 84.13 | 73.83 | 56.97 | 38.80 | 17.55 | 54.46 | |||||||||||||
1991 | 14.65 | 32.36 | 39.87 | 58.90 | 70.26 | 78.83 | 80.19 | 84.29 | 68.70 | 48.16 | 26.43 | 25.35 | 52.33 | |||||||||||||
1992 | 24.52 | 28.86 | 39.84 | 50.10 | 73.74 | 72.14 | a | 72.90 | 75.97 | 64.70 | 54.00 | 27.40 | 12.65 | 49.73 | ||||||||||||
1993 | 12.58 | 15.82 | 31.32 | 52.27 | 67.57 | a | 69.20 | 72.06 | 74.94 | 62.90 | 52.10 | a | 30.03 | 19.94 | 46.73 | |||||||||||
1994 | -1.66 | b | 9.32 | 35.03 | 53.03 | a | 72.55 | 76.53 | 76.42 | 77.10 | 71.43 | 54.13 | 36.50 | 23.27 | a | 48.64 | ||||||||||
1995 | 13.03 | 19.46 | 30.26 | 45.83 | 64.94 | 80.50 | 79.06 | 81.35 | 69.27 | 49.74 | 25.53 | 13.84 | 47.74 | |||||||||||||
1996 | 5.83 | b | 22.21 | 25.31 | b | 42.50 | 55.13 | p | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 23.96 | h | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 13.85 | 20.76 | 34.12 | 52.15 | 68.23 | 77.00 | 82.44 | 81.99 | 69.74 | 56.22 | 34.77 | 20.14 | 50.86 | |||||||||||||
S.D. | 8.29 | 6.59 | 6.08 | 6.19 | 4.46 | 4.17 | 4.17 | 4.41 | 4.34 | 4.52 | 4.67 | 6.29 | 2.06 | |||||||||||||
SKEW | -0.01 | 0.08 | 0.17 | 0.11 | 0.37 | 0.45 | -0.53 | -0.15 | -0.65 | 0.21 | -0.08 | -0.08 | 0.06 | |||||||||||||
MAX | 31.13 | 33.28 | 44.90 | 65.80 | 79.10 | 89.97 | 90.45 | 90.03 | 78.00 | 69.68 | 45.67 | 32.19 | 54.48 | |||||||||||||
MIN | -1.66 | 5.89 | 24.81 | 39.20 | 59.61 | 69.20 | 72.06 | 73.94 | 55.83 | 46.42 | 25.53 | 6.10 | 46.73 | |||||||||||||
YRS | 38 | 41 | 40 | 39 | 37 | 37 | 36 | 37 | 37 | 37 | 36 | 37 | 32 |