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 | 4.91 | 16.29 | 32.33 | 51.28 | d | 68.07 | a | 65.52 | 65.82 | c | 52.68 | 48.29 | 28.42 | 14.52 | a | 40.74 | a | |||||||
1957 | 0.87 | 8.95 | 25.84 | b | 40.15 | 53.52 | a | 60.20 | 72.03 | 66.40 | 53.45 | 43.47 | 27.03 | 19.29 | 39.27 | |||||||||||
1958 | 15.50 | 9.32 | 27.98 | 43.25 | 55.91 | b | 58.00 | a | 64.66 | 67.40 | a | 58.17 | 46.44 | 25.35 | 7.32 | 39.94 | ||||||||||
1959 | -1.21 | 4.75 | 29.16 | 41.18 | 51.45 | 65.30 | 69.65 | 71.16 | 56.63 | 37.56 | 18.32 | 22.76 | 38.89 | |||||||||||||
1960 | 5.20 | a | 8.72 | 14.45 | 39.12 | b | 54.40 | a | 60.94 | c | 70.03 | 68.87 | 57.90 | 45.28 | a | 27.15 | 9.24 | 38.44 | ||||||||
1961 | 6.48 | 14.66 | 31.05 | 35.70 | 51.94 | 67.35 | 67.63 | 70.94 | 53.73 | 44.52 | d | 27.28 | 4.57 | d | 39.65 | |||||||||||
1962 | 2.65 | 3.52 | 19.55 | a | 37.79 | a | 52.32 | 63.95 | 66.48 | 69.03 | 54.53 | 48.48 | 32.17 | 14.97 | 38.79 | |||||||||||
1963 | 1.24 | 9.82 | 31.15 | 43.23 | 52.94 | 68.10 | 72.48 | 68.94 | 60.57 | 55.02 | 31.80 | 6.48 | 41.81 | |||||||||||||
1964 | 12.52 | a | 17.84 | a | 18.00 | 42.53 | a | 57.40 | 62.62 | a | 71.81 | 64.18 | 53.83 | 45.08 | 27.52 | 2.47 | 39.65 | |||||||||
1965 | -0.39 | 8.31 | a | 15.02 | 40.18 | 53.58 | 63.25 | 68.17 | b | 66.15 | 46.22 | 46.35 | 24.43 | 18.53 | a | 37.48 | ||||||||||
1966 | -7.81 | 6.29 | 28.74 | 35.75 | 50.15 | a | 64.10 | 71.40 | a | 64.92 | 58.27 | 44.68 | 20.03 | 9.58 | 37.17 | |||||||||||
1967 | 7.89 | 2.25 | b | 24.65 | a | 36.67 | 49.34 | 62.78 | 69.19 | 68.61 | 61.55 | 43.28 | a | 27.37 | 13.42 | a | 38.92 | |||||||||
1968 | 4.00 | 8.25 | a | 32.75 | a | 42.20 | 50.87 | 61.93 | 67.23 | 64.65 | a | 58.62 | 44.97 | 29.33 | a | 8.62 | c | 39.45 | ||||||||
1969 | -4.97 | a | 11.96 | 15.29 | 43.33 | 56.85 | 56.58 | ----- | z | 71.73 | 58.95 | a | 38.98 | a | 28.52 | 13.94 | 35.56 | a | ||||||||
1970 | -0.95 | 10.85 | a | 16.89 | 37.33 | 50.85 | 67.70 | 70.45 | 67.50 | 56.75 | 43.59 | b | 25.88 | a | 8.57 | a | 37.95 | |||||||||
1971 | -2.85 | a | 10.89 | 22.58 | 43.20 | 53.71 | 66.90 | 64.87 | 69.08 | 56.60 | 46.47 | 25.77 | 9.83 | b | 38.92 | |||||||||||
1972 | 1.06 | 4.72 | 24.16 | b | 39.00 | 59.74 | 66.40 | a | 67.00 | a | 70.66 | 54.75 | 41.50 | 25.40 | 5.22 | a | 38.30 | |||||||||
1973 | 12.94 | 16.71 | 35.26 | b | 41.33 | 57.08 | 66.88 | ----- | z | 72.21 | 56.05 | 49.61 | 19.92 | 7.27 | 39.57 | a | ||||||||||
1974 | -0.40 | 8.94 | a | 20.02 | 40.07 | 51.29 | 66.05 | 76.82 | l | 62.55 | b | 54.72 | 46.75 | a | 28.23 | f | 19.52 | 36.95 | b | |||||||
1975 | 10.10 | 9.04 | 19.31 | 34.70 | 56.00 | 64.85 | 73.10 | 66.27 | 56.55 | a | 47.96 | c | 28.82 | 14.98 | c | 40.14 | ||||||||||
1976 | 7.57 | h | 21.11 | a | 22.48 | 45.92 | 56.19 | 67.40 | 71.32 | 69.42 | k | 59.70 | c | 40.13 | 23.64 | a | 6.16 | 41.41 | b | |||||||
1977 | -3.42 | 18.50 | b | 32.39 | 49.87 | 65.42 | 65.92 | 70.05 | 60.58 | 54.67 | 46.37 | a | 25.81 | a | 1.63 | d | 40.65 | |||||||||
1978 | -4.58 | a | 1.94 | a | 22.63 | a | 41.42 | 58.65 | 64.29 | a | 70.47 | 69.24 | 63.47 | 45.56 | 21.92 | 6.65 | 38.47 | |||||||||
1979 | -6.78 | a | -3.17 | a | 18.93 | b | 31.43 | 48.69 | 63.98 | 70.33 | a | 64.56 | d | 60.98 | 43.92 | 24.70 | 21.95 | b | 36.63 | |||||||
1980 | 2.82 | 8.60 | 18.53 | a | 49.58 | 60.53 | 65.47 | 71.12 | a | 63.79 | 55.32 | b | 42.66 | 31.03 | 13.24 | d | 40.23 | |||||||||
1981 | 12.85 | a | 19.62 | 33.31 | 45.90 | a | 53.77 | 61.00 | 69.22 | a | 69.77 | 57.88 | 44.74 | 36.05 | 8.73 | 42.74 | ||||||||||
1982 | -10.31 | b | 7.87 | b | 21.22 | d | 39.26 | a | 56.63 | a | 58.62 | a | 69.76 | 66.89 | 57.08 | 45.55 | 26.14 | a | 19.79 | b | 38.21 | |||||
1983 | 15.79 | b | 20.44 | b | 25.86 | b | 38.68 | 51.39 | 65.53 | a | 74.87 | 77.19 | 57.67 | 43.95 | 28.72 | -2.16 | b | 41.50 | ||||||||
1984 | 11.26 | 24.53 | 23.62 | a | 44.69 | a | 54.74 | 64.08 | 70.63 | a | 72.82 | 55.24 | a | 45.54 | g | 26.46 | e | 9.39 | l | 44.81 | b | |||||
1985 | 5.76 | h | 4.88 | d | 31.43 | b | 45.31 | c | 59.46 | f | 60.71 | f | 67.61 | i | 63.23 | g | 52.05 | h | 40.23 | g | 14.58 | k | 1.26 | l | 27.21 | i |
1986 | 18.37 | p | 8.29 | d | 33.65 | h | 42.55 | i | 59.12 | g | 64.80 | h | 71.24 | j | 65.29 | l | 54.84 | h | 45.12 | n | 16.81 | l | 19.10 | k | 8.29 | k |
1987 | 17.34 | i | 23.87 | i | 24.83 | j | 48.34 | h | 60.95 | k | 68.90 | i | 70.39 | c | 64.86 | m | 58.10 | i | 41.93 | h | 32.69 | i | 18.41 | b | 44.40 | j |
1988 | 4.73 | a | 7.80 | a | 28.88 | e | 45.62 | b | 62.66 | 75.02 | 74.29 | 71.06 | 57.97 | 42.07 | a | 25.40 | 12.65 | 42.35 | ||||||||
1989 | 10.10 | 0.82 | 16.40 | a | 40.23 | 57.98 | 64.72 | 76.05 | 70.69 | 59.13 | 45.53 | 23.58 | 4.11 | 39.11 | ||||||||||||
1990 | 19.92 | 15.82 | 30.08 | 42.27 | 53.94 | 65.13 | 69.19 | 69.56 | 59.97 | 43.34 | 28.20 | 8.13 | 42.13 | |||||||||||||
1991 | 4.56 | 22.14 | 29.34 | 46.63 | 59.23 | 67.95 | 68.26 | 70.02 | 56.62 | 37.82 | 19.00 | 16.00 | 41.46 | |||||||||||||
1992 | 14.85 | 20.28 | 30.94 | 38.98 | 58.58 | 60.88 | a | 61.66 | 62.02 | 53.02 | 40.63 | 22.55 | 4.10 | 39.04 | ||||||||||||
1993 | 3.13 | 6.71 | 21.87 | 40.10 | 53.25 | a | 58.10 | 62.45 | 63.69 | 49.47 | a | 38.50 | a | 21.95 | 11.37 | 35.88 | ||||||||||
1994 | -9.47 | b | -0.27 | 26.40 | 39.34 | b | 57.61 | 65.43 | a | 65.71 | 64.24 | 58.95 | 45.35 | 28.25 | 16.05 | a | 38.13 | |||||||||
1995 | 5.90 | 10.34 | 22.94 | 36.25 | 52.66 | 68.28 | 67.98 | 68.56 | 56.23 | 41.19 | 17.65 | 7.00 | 37.92 | |||||||||||||
1996 | -2.86 | b | 11.52 | 16.39 | c | 34.50 | a | 44.67 | p | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 14.89 | h | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 3.62 | 10.21 | 24.15 | 40.64 | 54.93 | 64.43 | 69.30 | 67.83 | 56.59 | 44.32 | 25.88 | 10.94 | 39.33 | |||||||||||||
S.D. | 7.72 | 6.64 | 6.01 | 4.30 | 3.80 | 3.59 | 3.24 | 3.51 | 3.30 | 3.51 | 4.02 | 6.12 | 1.68 | |||||||||||||
SKEW | 0.16 | 0.34 | 0.05 | 0.04 | 0.64 | 0.06 | -0.30 | 0.14 | -0.75 | 0.32 | -0.04 | 0.12 | 0.28 | |||||||||||||
MAX | 19.92 | 24.53 | 35.26 | 49.87 | 65.42 | 75.02 | 76.05 | 77.19 | 63.47 | 55.02 | 36.05 | 22.76 | 42.74 | |||||||||||||
MIN | -10.31 | -3.17 | 14.45 | 31.43 | 48.69 | 56.58 | 61.66 | 60.58 | 46.22 | 37.56 | 17.65 | -2.16 | 35.88 | |||||||||||||
YRS | 36 | 40 | 39 | 39 | 37 | 37 | 35 | 36 | 37 | 36 | 36 | 37 | 31 |