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 | -5.79 | 6.32 | 22.90 | 38.59 | d | 55.62 | a | 52.97 | 50.50 | c | 38.97 | 34.84 | 19.80 | 5.03 | a | 29.07 | a | |||||||
1957 | -9.94 | -1.64 | 15.97 | b | 28.67 | 40.47 | a | 47.10 | 58.00 | 53.97 | 42.00 | 33.90 | 18.77 | 9.39 | 28.05 | |||||||||||
1958 | 5.35 | -1.71 | 17.61 | 29.40 | 40.48 | b | 44.69 | a | 52.00 | 52.30 | a | 43.70 | 32.58 | 14.67 | -3.19 | 27.32 | ||||||||||
1959 | -11.32 | -7.36 | 18.90 | 27.07 | 38.90 | 51.50 | 54.42 | 55.23 | 43.77 | 28.71 | 9.43 | 15.45 | 27.06 | |||||||||||||
1960 | -5.27 | a | -2.28 | 3.74 | 29.68 | b | 40.37 | a | 47.89 | c | 54.55 | 53.94 | 44.37 | 32.07 | a | 16.97 | -2.68 | 26.11 | ||||||||
1961 | -5.16 | 4.25 | 22.03 | 24.27 | 36.52 | 50.47 | 54.74 | 53.77 | 41.33 | 31.50 | c | 15.73 | -5.64 | c | 26.98 | |||||||||||
1962 | -8.81 | -6.04 | 10.47 | a | 25.83 | 42.23 | 53.23 | 54.29 | 54.77 | 41.73 | 35.48 | 23.53 | 4.10 | 27.57 | ||||||||||||
1963 | -9.00 | -1.86 | 17.39 | 31.20 | 39.55 | 56.03 | 59.00 | 54.61 | 45.67 | 40.35 | 19.83 | -2.94 | 29.15 | |||||||||||||
1964 | 1.84 | 6.38 | 6.06 | 31.48 | a | 43.42 | 51.30 | 59.45 | 52.16 | 41.67 | 33.23 | 18.97 | -6.06 | 28.32 | ||||||||||||
1965 | -10.39 | -3.61 | 5.23 | 31.13 | 41.29 | 51.60 | 55.90 | 52.77 | 36.60 | 33.52 | 14.47 | 8.63 | a | 26.43 | ||||||||||||
1966 | -17.19 | -4.79 | 19.55 | 26.10 | 37.10 | 51.77 | 59.77 | 52.94 | 43.70 | 32.10 | 11.63 | -0.97 | 25.98 | |||||||||||||
1967 | -3.13 | -10.65 | b | 13.16 | 26.67 | 35.35 | 49.47 | 52.68 | 51.42 | 48.23 | 32.77 | 18.90 | 3.81 | 26.56 | ||||||||||||
1968 | -6.13 | -2.93 | 21.43 | a | 29.80 | 37.87 | 49.97 | 53.81 | 52.16 | 47.10 | 33.58 | 19.97 | 1.39 | 28.17 | ||||||||||||
1969 | -13.13 | a | 4.50 | 4.45 | 31.90 | 44.10 | 43.87 | ----- | z | 54.06 | 45.10 | 30.03 | 19.20 | 3.48 | 24.32 | a | ||||||||||
1970 | -10.61 | -1.81 | a | 4.84 | 28.00 | 38.58 | 54.63 | 54.26 | 50.55 | 41.63 | 29.45 | b | 17.93 | a | -2.57 | a | 25.41 | |||||||||
1971 | -11.94 | 0.89 | 13.19 | 31.33 | 40.23 | 56.60 | 52.16 | 54.35 | 43.23 | 35.10 | 18.77 | 1.23 | a | 27.93 | ||||||||||||
1972 | -9.45 | -5.21 | 13.97 | a | 29.97 | 47.71 | 52.30 | 52.97 | a | 57.03 | 41.43 | 30.13 | 18.37 | -4.10 | a | 27.09 | ||||||||||
1973 | 2.74 | 5.57 | 27.37 | a | 29.23 | 43.68 | 53.97 | ----- | z | 57.74 | 43.77 | 38.00 | 12.40 | 0.10 | 28.60 | a | ||||||||||
1974 | -9.35 | -1.54 | 10.35 | 30.77 | 41.74 | 54.17 | 62.85 | k | 49.93 | a | 39.43 | 32.10 | a | 20.17 | 10.58 | 25.30 | a | |||||||||
1975 | -1.87 | -1.36 | 9.03 | 27.57 | 43.29 | 53.67 | 59.97 | 53.61 | 44.40 | 35.73 | a | 18.90 | 5.03 | b | 29.00 | |||||||||||
1976 | -5.52 | b | 11.25 | a | 11.35 | 33.17 | 40.29 | 53.73 | 55.81 | 54.00 | k | 43.22 | c | 26.58 | 11.14 | a | -3.65 | 25.22 | a | |||||||
1977 | -11.68 | 8.71 | 22.45 | 34.73 | 51.74 | 53.20 | 57.45 | 47.23 | 45.53 | 33.43 | a | 16.63 | -4.86 | c | 29.55 | |||||||||||
1978 | -12.90 | -8.36 | 12.73 | a | 31.17 | 44.87 | 49.83 | a | 57.19 | 53.94 | 50.90 | 32.42 | 10.07 | -3.23 | 26.55 | |||||||||||
1979 | -15.87 | -12.68 | 9.20 | a | 23.67 | 37.77 | 51.67 | 57.35 | 51.64 | c | 44.87 | 32.35 | 16.50 | 11.31 | b | 25.65 | ||||||||||
1980 | -7.97 | -1.69 | 7.40 | a | 33.37 | 44.23 | 51.07 | 55.23 | 51.16 | 43.29 | b | 32.29 | 22.40 | 4.54 | c | 27.94 | ||||||||||
1981 | 1.48 | 10.57 | 22.74 | 30.83 | a | 40.45 | 49.47 | 57.65 | 56.68 | 43.40 | 35.29 | 26.43 | -0.35 | 31.22 | ||||||||||||
1982 | -19.32 | -1.96 | a | 14.28 | b | 27.27 | 47.39 | 46.67 | 57.71 | 53.55 | 42.53 | 35.94 | 18.20 | 11.53 | a | 27.81 | ||||||||||
1983 | 6.31 | b | 12.62 | b | 20.47 | a | 28.00 | 37.68 | 54.48 | a | 63.13 | 64.35 | 45.70 | 33.71 | 23.67 | -10.41 | b | 31.64 | ||||||||
1984 | 2.42 | 15.79 | 15.93 | a | 34.73 | 40.97 | 51.27 | 57.13 | a | 58.35 | 41.47 | 33.96 | c | 17.04 | b | -2.04 | c | 30.59 | ||||||||
1985 | -5.41 | d | -3.92 | b | 21.97 | 31.00 | 43.39 | 46.34 | a | 50.81 | 51.39 | 42.21 | a | 30.20 | a | 4.93 | c | -5.76 | f | 28.45 | a | |||||
1986 | 7.92 | f | -0.04 | a | 21.32 | c | 31.72 | a | 43.07 | a | 52.37 | 58.61 | 52.39 | 45.70 | 33.24 | b | 9.38 | d | 11.68 | c | 32.68 | a | ||||
1987 | 8.65 | e | 15.87 | e | 15.66 | b | 34.67 | 46.43 | a | 54.87 | 58.00 | 52.93 | b | 46.40 | 30.97 | 24.73 | 11.52 | b | 33.39 | |||||||
1988 | -5.55 | -3.18 | a | 19.04 | d | 29.07 | b | 48.94 | 60.07 | 59.77 | 57.29 | 46.17 | 29.00 | 17.97 | 3.19 | 30.15 | ||||||||||
1989 | -1.45 | -8.32 | 7.07 | a | 29.70 | 43.90 | 50.60 | 61.65 | 57.06 | 45.57 | 31.00 | 12.90 | -6.90 | 26.90 | ||||||||||||
1990 | 8.71 | 3.32 | 20.00 | 29.20 | 40.13 | 52.17 | 56.97 | 55.00 | 46.10 | 29.71 | 17.60 | -1.29 | 29.80 | |||||||||||||
1991 | -5.52 | 11.93 | 18.81 | 34.37 | 48.19 | 57.07 | 56.32 | 55.74 | 44.53 | 27.48 | 11.57 | 6.65 | 30.59 | |||||||||||||
1992 | 5.19 | 11.69 | 22.03 | 27.87 | 43.42 | 49.33 | 50.42 | 48.06 | 41.33 | 27.26 | 17.70 | -4.45 | 28.32 | |||||||||||||
1993 | -6.32 | -2.39 | 12.42 | 27.93 | 39.45 | 47.00 | 52.84 | 52.45 | 36.55 | a | 25.06 | 13.87 | 2.81 | 25.14 | ||||||||||||
1994 | -17.48 | -9.86 | 17.77 | 26.24 | a | 42.68 | 54.28 | a | 55.00 | 51.39 | 46.47 | 36.58 | 20.00 | 8.03 | 27.59 | |||||||||||
1995 | -1.23 | 1.21 | 15.61 | 26.67 | 40.39 | 56.07 | 56.90 | 55.77 | 43.20 | 32.65 | 9.77 | 0.16 | 28.10 | |||||||||||||
1996 | -11.97 | 0.83 | 7.83 | a | 26.86 | a | 34.20 | p | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 5.89 | h | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -5.85 | 0.35 | 14.56 | 29.39 | 41.92 | 51.78 | 56.13 | 53.70 | 43.57 | 32.36 | 16.77 | 1.91 | 28.12 | |||||||||||||
S.D. | 7.32 | 7.31 | 6.21 | 2.98 | 3.64 | 3.51 | 3.00 | 3.07 | 2.85 | 3.12 | 4.67 | 6.27 | 1.92 | |||||||||||||
SKEW | 0.31 | 0.53 | -0.10 | -0.04 | 0.61 | -0.18 | 0.12 | 0.84 | -0.29 | -0.03 | -0.33 | 0.29 | 0.75 | |||||||||||||
MAX | 8.71 | 15.87 | 27.37 | 34.73 | 51.74 | 60.07 | 63.13 | 64.35 | 50.90 | 40.35 | 26.43 | 15.45 | 33.39 | |||||||||||||
MIN | -19.32 | -12.68 | 3.74 | 22.90 | 35.35 | 43.87 | 50.42 | 47.23 | 36.55 | 25.06 | 4.93 | -10.41 | 25.14 | |||||||||||||
YRS | 39 | 41 | 41 | 41 | 40 | 40 | 37 | 39 | 40 | 40 | 40 | 39 | 33 |