YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 46.68 | 43.80 | 37.16 | 17.10 | -0.43 | a | 28.86 | g | ||||
1951 | -1.17 | a | -0.68 | 9.10 | 28.43 | 43.42 | 47.23 | 53.06 | 49.29 | 41.90 | 37.00 | 11.70 | 5.03 | a | 27.03 | |||||||||||
1952 | 2.69 | e | 6.48 | 9.10 | 28.73 | 38.65 | 51.30 | 55.61 | 50.77 | 43.53 | 26.58 | 23.03 | 13.87 | 29.20 | ||||||||||||
1953 | 7.29 | -0.86 | 16.10 | 27.03 | 37.87 | 50.80 | 53.16 | 54.13 | 45.27 | 36.71 | 24.23 | 10.93 | d | 30.22 | ||||||||||||
1954 | -2.74 | 15.00 | 10.71 | 29.43 | 35.84 | 54.14 | a | 54.16 | 51.52 | 45.40 | 35.19 | 25.97 | 10.45 | 30.42 | ||||||||||||
1955 | -0.29 | 1.00 | a | 8.77 | 35.30 | 42.81 | 50.50 | 59.58 | 57.55 | 43.97 | 36.16 | 16.03 | 2.65 | 29.50 | ||||||||||||
1956 | 1.13 | -1.48 | 7.48 | 26.37 | 37.65 | 52.03 | 52.52 | 54.23 | 42.40 | 39.84 | 22.83 | 11.06 | 28.84 | |||||||||||||
1957 | -4.23 | 4.71 | 12.87 | 29.20 | 39.55 | 50.70 | 57.23 | 53.23 | 43.03 | 35.00 | 23.37 | 9.65 | 29.53 | |||||||||||||
1958 | 9.26 | 1.44 | a | 14.81 | 29.63 | 38.19 | 45.20 | 53.42 | 52.84 | 46.93 | 38.39 | 24.37 | -1.65 | 29.40 | ||||||||||||
1959 | -5.84 | -1.75 | 12.55 | 30.40 | 45.06 | 52.50 | 54.84 | 59.06 | 47.63 | 34.26 | 13.40 | 18.48 | 30.05 | |||||||||||||
1960 | 7.03 | a | 5.28 | 1.00 | 31.57 | 41.71 | 48.00 | 52.19 | 55.61 | 48.13 | 36.48 | 25.97 | 6.16 | 29.93 | ||||||||||||
1961 | 0.39 | 10.43 | 19.58 | 27.67 | 36.77 | 50.93 | 55.68 | 55.26 | 47.70 | 38.45 | 21.67 | 7.48 | b | 31.00 | ||||||||||||
1962 | -1.32 | -0.46 | 16.32 | 28.30 | 46.48 | 50.33 | 53.13 | 52.48 | 44.13 | 38.16 | 25.53 | 7.06 | 30.01 | |||||||||||||
1963 | -6.48 | -5.71 | 15.68 | 30.90 | 39.29 | 51.30 | 55.68 | 52.32 | 46.47 | 42.90 | 28.63 | 0.87 | 29.32 | |||||||||||||
1964 | 8.35 | 4.00 | 12.74 | 29.97 | 45.26 | 49.70 | 56.81 | 50.77 | 44.87 | 32.97 | 24.47 | 2.68 | 30.22 | |||||||||||||
1965 | -2.06 | -2.86 | 6.26 | 28.03 | 43.26 | 48.50 | 52.35 | 52.23 | 41.23 | 35.35 | 22.50 | 15.58 | 28.36 | |||||||||||||
1966 | -8.39 | 4.50 | 18.68 | 26.07 | 35.23 | 50.93 | 57.23 | 52.19 | 44.17 | 33.52 | 21.55 | a | 8.10 | 28.65 | ||||||||||||
1967 | 4.90 | -6.50 | 13.45 | 28.73 | 33.50 | a | 51.10 | 52.42 | 48.94 | 45.30 | t | 35.13 | 20.13 | 9.10 | 26.45 | a | ||||||||||
1968 | 0.61 | -2.04 | a | 20.29 | 31.17 | 38.90 | 51.13 | 55.61 | 54.26 | 48.90 | 38.94 | 23.97 | 7.16 | 30.74 | ||||||||||||
1969 | 4.19 | 4.32 | 5.97 | 31.03 | 41.52 | 45.80 | 53.93 | b | 55.97 | b | 45.39 | b | 33.61 | 20.53 | 9.16 | 29.29 | ||||||||||
1970 | -4.72 | b | -1.36 | 9.13 | 31.53 | 40.75 | c | 52.25 | b | 57.43 | a | 53.55 | b | 46.96 | b | 39.23 | 22.76 | a | 7.35 | 29.57 | ||||||
1971 | -5.81 | 2.75 | 10.39 | 26.33 | 36.90 | a | 54.41 | a | 52.74 | 50.61 | 48.30 | 43.90 | 24.13 | 10.03 | 29.56 | |||||||||||
1972 | -7.97 | -2.03 | 9.87 | 23.53 | 42.50 | a | 47.07 | 54.94 | 54.39 | 43.40 | 30.65 | 23.73 | 3.70 | a | 26.98 | |||||||||||
1973 | 2.29 | 2.71 | 25.68 | 29.27 | 37.48 | 51.87 | 55.10 | 55.58 | 45.93 | a | 40.35 | 23.57 | 6.03 | 31.32 | ||||||||||||
1974 | -0.84 | -7.54 | 13.81 | 27.23 | 36.00 | 46.67 | 55.29 | 51.39 | 38.83 | 32.61 | 23.87 | 11.42 | 27.40 | |||||||||||||
1975 | 2.13 | 2.79 | 6.84 | 20.33 | 42.39 | 51.77 | 57.03 | 52.81 | 41.13 | 35.67 | a | 25.57 | 5.61 | 28.67 | ||||||||||||
1976 | -5.00 | 7.66 | 9.71 | 29.47 | 34.60 | a | 51.33 | 53.00 | 49.58 | 39.30 | 27.68 | 12.27 | -6.77 | 25.23 | ||||||||||||
1977 | -13.87 | 1.39 | 19.42 | 28.31 | a | 45.74 | 47.34 | a | 55.81 | 47.48 | 46.93 | 32.97 | 21.73 | 4.97 | 28.19 | |||||||||||
1978 | -2.81 | -7.61 | 5.68 | 25.93 | 41.61 | 47.83 | 54.03 | 53.58 | 48.43 | 34.61 | 18.67 | 1.00 | 26.75 | |||||||||||||
1979 | -10.81 | -9.64 | 12.81 | 25.77 | 36.35 | 47.80 | 54.00 | 52.35 | 44.57 | 33.47 | a | 21.37 | 10.84 | 26.57 | ||||||||||||
1980 | 0.65 | -3.69 | 8.03 | 29.27 | 42.19 | 48.93 | ----- | z | 55.58 | 44.37 | 31.29 | 22.97 | 4.23 | 25.80 | a | |||||||||||
1981 | -3.00 | 7.93 | 18.45 | 31.40 | 38.90 | 51.93 | 55.81 | 55.77 | 43.60 | 31.77 | 25.93 | 6.29 | 30.40 | |||||||||||||
1982 | -12.65 | e | -4.64 | 12.52 | 23.03 | 46.61 | 44.27 | 57.29 | 51.60 | a | 45.60 | 36.77 | 21.33 | 15.28 | b | 28.08 | ||||||||||
1983 | 7.26 | 14.89 | 20.06 | 27.23 | 36.35 | 49.90 | 59.90 | 57.77 | 48.83 | 35.48 | 25.30 | -5.00 | 31.50 | |||||||||||||
1984 | -2.32 | 15.41 | 8.10 | 31.60 | 38.29 | 53.57 | 54.81 | 57.61 | 43.73 | 39.10 | 21.87 | 8.00 | 30.81 | |||||||||||||
1985 | -1.29 | 1.21 | 20.10 | 32.55 | a | 44.97 | 48.87 | 53.77 | 53.19 | 45.97 | ----- | z | ----- | z | ----- | z | 33.26 | c | ||||||||
1986 | ----- | z | ----- | z | 18.68 | 35.07 | 44.97 | 49.87 | 58.16 | 51.42 | 48.03 | 34.40 | a | 18.18 | b | 12.11 | c | 37.09 | b | |||||||
1987 | 9.31 | b | 11.93 | a | 19.00 | u | 32.86 | a | 43.97 | 55.32 | b | 59.42 | 55.87 | 46.54 | d | ----- | z | ----- | z | ----- | z | 39.40 | d | |||
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.39 | c | 42.07 | a | 28.34 | b | 24.60 | 4.61 | 31.00 | g | ||
1989 | 5.52 | -8.15 | a | 8.33 | a | 23.79 | a | 34.12 | f | 42.32 | b | 46.79 | b | 48.62 | e | 38.20 | 31.77 | a | 14.50 | d | -6.07 | b | 22.33 | a | ||
1990 | 9.29 | 2.96 | a | 14.65 | 27.54 | d | 34.35 | 45.43 | b | 47.38 | b | 45.84 | 39.62 | d | 26.87 | 17.55 | a | 2.37 | a | 26.15 | ||||||
1991 | -6.16 | 0.79 | 10.42 | 25.65 | d | 47.14 | b | 52.63 | 53.53 | a | 51.31 | b | 42.90 | a | 34.32 | 19.16 | e | 12.50 | e | 28.68 | ||||||
1992 | 10.26 | 14.38 | 15.43 | a | 28.86 | b | 39.21 | g | 45.86 | a | 49.36 | c | 46.21 | b | 47.07 | 34.89 | d | 25.11 | b | 13.72 | b | 30.10 | a | |||
1993 | 3.68 | 1.31 | b | 15.13 | a | 30.33 | c | 41.69 | b | 47.23 | d | 52.21 | b | 51.45 | 36.07 | 29.68 | c | 15.93 | 8.80 | a | 27.79 | |||||
1994 | -11.65 | -3.62 | b | 14.81 | 24.46 | b | 35.32 | 48.47 | 49.90 | 47.58 | 44.24 | a | 34.87 | a | 22.62 | a | 9.97 | a | 26.41 | |||||||
1995 | 4.40 | a | 2.58 | b | 15.68 | 21.40 | 35.10 | a | 47.53 | 51.58 | 56.20 | a | 37.93 | 33.77 | 9.30 | -0.68 | 26.23 | |||||||||
1996 | -8.87 | -3.62 | 3.97 | 20.54 | d | 30.92 | f | 48.31 | a | 46.65 | 48.58 | 42.86 | b | 31.13 | 15.43 | 12.58 | e | 23.41 | a | |||||||
1997 | 0.88 | f | 5.00 | 9.67 | a | 21.57 | 30.55 | b | 45.59 | a | 47.61 | c | 45.50 | c | 43.10 | a | 32.45 | 18.23 | 14.84 | 28.56 | a | |||||
1998 | 9.35 | 19.74 | a | 14.71 | 25.62 | a | 38.45 | b | 45.25 | b | 47.52 | 49.58 | 42.72 | a | 31.94 | 23.87 | g | 7.33 | a | 30.20 | a | |||||
1999 | -3.03 | 8.46 | b | 12.32 | 27.57 | b | 35.06 | 46.48 | a | 53.55 | 47.26 | 39.63 | 29.60 | a | 23.62 | a | 8.82 | c | 27.45 | |||||||
2000 | -3.00 | 5.74 | b | 22.53 | a | 24.63 | c | 39.03 | a | 46.62 | a | 49.76 | b | 49.42 | 41.28 | a | 35.36 | c | 23.39 | b | -2.23 | i | 30.43 | a | ||
2001 | 4.35 | h | -2.11 | a | 10.70 | d | 30.62 | a | 39.57 | a | 47.68 | b | 50.23 | 51.50 | c | 41.34 | a | 30.83 | b | 29.96 | c | 15.78 | d | 31.46 | a | |
2002 | 13.12 | f | 9.70 | e | 9.48 | f | 26.17 | g | 34.82 | i | 52.07 | a | 54.64 | f | 51.32 | c | 43.79 | f | 29.96 | e | 18.41 | a | 12.08 | g | 32.29 | g |
2003 | 2.17 | g | -4.12 | d | 13.11 | d | 25.58 | d | 33.72 | b | 43.15 | d | 50.03 | a | 50.32 | c | 44.28 | a | 32.17 | a | 21.89 | c | 10.82 | c | 29.18 | a |
2004 | -3.94 | 6.64 | d | 17.42 | g | 26.75 | b | 37.70 | h | 44.90 | j | 48.18 | n | 47.00 | p | 49.88 | m | ----- | z | ----- | z | ----- | z | 9.82 | i | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -0.63 | 2.36 | 12.84 | 27.95 | 39.62 | 49.19 | 53.66 | 52.14 | 44.01 | 34.42 | 21.37 | 7.28 | 28.83 | |||||||||||||
S.D. | 6.33 | 6.69 | 5.10 | 3.39 | 4.06 | 2.98 | 3.30 | 3.28 | 3.06 | 3.78 | 4.36 | 5.69 | 1.62 | |||||||||||||
SKEW | -0.05 | 0.52 | 0.18 | -0.26 | 0.08 | -0.16 | -0.36 | -0.08 | -0.45 | 0.15 | -0.79 | -0.53 | -0.37 | |||||||||||||
MAX | 10.26 | 19.74 | 25.68 | 35.30 | 47.14 | 55.32 | 59.90 | 59.06 | 48.90 | 43.90 | 29.96 | 18.48 | 31.50 | |||||||||||||
MIN | -13.87 | -9.64 | 1.00 | 20.33 | 30.55 | 42.32 | 46.65 | 45.50 | 36.07 | 26.58 | 9.30 | -6.77 | 25.23 | |||||||||||||
YRS | 48 | 52 | 50 | 52 | 48 | 52 | 50 | 54 | 52 | 52 | 51 | 50 | 38 |