YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.98 | f | 69.32 | a | 64.12 | a | 45.67 | a | 30.00 | 13.48 | 44.52 | g | ||
1949 | 2.74 | b | 4.41 | e | 22.78 | b | 47.04 | d | 61.28 | v | 65.62 | f | 70.63 | h | 71.48 | f | 54.18 | p | 45.81 | m | 37.79 | p | 8.24 | h | 19.24 | h |
1950 | -9.53 | l | 10.17 | e | 22.70 | f | 33.42 | e | 48.33 | g | 63.34 | n | 66.33 | g | 66.04 | h | 59.62 | f | 47.85 | d | 18.40 | o | 10.73 | e | 25.54 | h |
1951 | 2.53 | 13.04 | 13.23 | 40.25 | 57.44 | 59.33 | 67.62 | a | 66.37 | 54.26 | a | 43.87 | a | 23.13 | d | 6.48 | a | 37.30 | ||||||||
1952 | 1.50 | a | 16.66 | 18.37 | a | 47.47 | 57.34 | 67.29 | d | 69.73 | 68.80 | d | 63.27 | b | 44.12 | b | 31.73 | d | 18.69 | e | 42.08 | |||||
1953 | 13.13 | a | 18.38 | d | 27.15 | e | 36.35 | 52.74 | 62.80 | c | 69.24 | 71.37 | 59.17 | d | 53.80 | a | 35.92 | 22.38 | f | 45.46 | a | |||||
1954 | -2.96 | g | 31.45 | 24.13 | 40.90 | 51.31 | 61.97 | 71.63 | 67.65 | h | 55.70 | 44.68 | a | 36.02 | 22.62 | a | 44.04 | b | ||||||||
1955 | 12.40 | 6.31 | a | 20.98 | a | 49.85 | c | 58.85 | a | 63.20 | c | 71.98 | 72.10 | 56.95 | a | 48.50 | b | 16.90 | a | 6.48 | 40.38 | |||||
1956 | 7.82 | 9.12 | 22.29 | 35.98 | a | 54.39 | 69.40 | 66.98 | 67.37 | a | 55.77 | 50.40 | a | 29.67 | 19.50 | 40.72 | ||||||||||
1957 | 3.19 | b | 12.85 | a | 26.88 | a | 41.36 | a | 55.03 | 64.13 | 73.97 | 67.42 | 54.71 | a | 44.90 | 30.00 | 22.44 | 41.41 | ||||||||
1958 | 17.45 | 10.86 | 28.21 | 44.00 | 58.24 | 59.12 | a | 65.82 | 70.73 | a | 60.02 | b | 47.45 | 28.18 | 12.31 | b | 41.87 | |||||||||
1959 | 4.81 | 7.87 | a | 31.77 | 43.00 | 53.92 | 68.75 | 71.73 | 72.58 | 58.30 | 40.35 | 20.67 | 23.89 | 41.47 | ||||||||||||
1960 | 10.47 | 9.86 | 15.60 | 42.08 | 55.82 | 62.32 | 72.42 | 70.74 | 60.55 | 49.18 | 31.75 | 13.89 | 41.22 | |||||||||||||
1961 | 11.84 | 18.64 | 33.95 | 37.45 | 52.26 | 69.11 | b | 69.31 | 73.35 | 54.17 | 48.15 | a | 29.80 | 8.84 | 42.24 | |||||||||||
1962 | 7.27 | 8.77 | 22.16 | 42.30 | 54.71 | 63.78 | 66.66 | 69.11 | 55.97 | 49.11 | 34.37 | 18.69 | 41.08 | |||||||||||||
1963 | 2.74 | 14.39 | 33.95 | 43.13 | 53.69 | 68.55 | 71.44 | 69.68 | 61.22 | 56.24 | 33.47 | 9.23 | 43.14 | |||||||||||||
1964 | 15.85 | 19.83 | 20.40 | 43.92 | 57.90 | 63.14 | a | 71.29 | 65.05 | 55.72 | 47.13 | 26.53 | 4.42 | 40.93 | ||||||||||||
1965 | 2.18 | 11.07 | 15.11 | 41.00 | 54.18 | 63.77 | 70.27 | 67.10 | 46.30 | 49.21 | 29.23 | 22.15 | 39.30 | |||||||||||||
1966 | -3.65 | 9.46 | 30.82 | 36.78 | 53.08 | 64.77 | 73.58 | 65.06 | 58.77 | 46.58 | a | 23.55 | 16.81 | 39.64 | ||||||||||||
1967 | 12.85 | 8.57 | 28.37 | a | 39.10 | 51.03 | 64.10 | 70.15 | 68.95 | 61.43 | a | 45.26 | 29.33 | 14.69 | 41.15 | |||||||||||
1968 | 8.87 | 13.16 | 34.79 | 43.13 | 50.53 | 62.37 | 68.84 | 66.63 | 58.57 | 46.55 | 30.37 | 9.37 | 41.10 | |||||||||||||
1969 | -1.16 | 14.62 | 17.13 | 44.42 | 56.85 | 57.65 | 69.40 | a | 73.02 | 60.33 | 40.16 | 32.98 | b | 17.15 | 40.21 | |||||||||||
1970 | 2.31 | 14.77 | 17.71 | 37.70 | 54.08 | 68.88 | 73.02 | 71.40 | 60.48 | 45.48 | 26.42 | 12.27 | 40.38 | |||||||||||||
1971 | 1.03 | 11.91 | 26.76 | 45.58 | 53.58 | 67.33 | 66.97 | 71.58 | 59.08 | 47.35 | 28.88 | 11.18 | 40.94 | |||||||||||||
1972 | 2.56 | 7.10 | 24.73 | 40.13 | 58.60 | 65.85 | 67.84 | 72.08 | 57.58 | 42.77 | 27.15 | 7.03 | 39.45 | |||||||||||||
1973 | 15.56 | 20.09 | a | 36.32 | 42.98 | 55.61 | 66.05 | 71.61 | 75.05 | 55.43 | c | 50.23 | 24.68 | 10.92 | a | 43.71 | ||||||||||
1974 | 8.06 | 16.16 | 26.61 | 43.55 | 52.39 | 66.33 | a | 76.43 | a | 65.90 | 56.19 | a | 48.82 | 29.90 | 20.82 | 42.60 | ||||||||||
1975 | 14.19 | 10.88 | 21.65 | a | 33.67 | 56.08 | 64.78 | 74.47 | 68.21 | 57.30 | c | 49.21 | 31.90 | 17.24 | 41.63 | |||||||||||
1976 | 10.73 | 23.33 | 25.48 | 47.23 | 57.44 | 68.67 | 73.84 | 73.94 | 62.42 | 41.29 | 24.18 | 11.05 | 43.30 | |||||||||||||
1977 | -1.19 | 21.77 | 32.66 | 50.62 | 64.50 | 67.48 | 71.92 | 63.10 | 57.90 | 46.69 | d | 25.70 | 8.10 | 42.44 | ||||||||||||
1978 | -1.74 | 6.34 | 26.53 | 42.40 | 58.89 | 65.53 | 70.19 | 70.53 | 65.24 | a | 47.37 | 23.25 | 8.64 | b | 40.26 | |||||||||||
1979 | -3.03 | 1.18 | 22.39 | 35.12 | 50.34 | 65.75 | 71.85 | 67.42 | 63.15 | 45.53 | 26.28 | 24.18 | a | 39.18 | ||||||||||||
1980 | 9.26 | 13.04 | a | 21.71 | b | 50.75 | 62.11 | 67.53 | 74.61 | 67.45 | 58.88 | 44.45 | 35.17 | 17.26 | 43.52 | |||||||||||
1981 | 16.24 | 21.93 | 35.56 | 48.78 | 55.53 | 63.22 | 72.87 | 70.97 | 60.12 | 45.53 | 36.35 | 12.13 | 44.94 | |||||||||||||
1982 | -5.62 | b | 11.05 | 23.45 | 40.68 | 55.76 | 62.07 | 72.81 | 69.63 | a | 59.10 | 46.16 | 24.55 | 21.06 | 40.06 | |||||||||||
1983 | 21.08 | 24.73 | 28.35 | 40.07 | 52.35 | 65.58 | 75.45 | 77.83 | a | 59.71 | a | 46.35 | 29.90 | -1.77 | 43.30 | |||||||||||
1984 | 13.13 | 26.31 | 22.98 | a | 43.90 | a | 55.06 | 66.00 | a | 72.13 | 73.76 | 54.93 | 46.95 | a | 29.85 | 10.48 | 42.96 | |||||||||
1985 | 6.82 | 12.69 | a | 33.24 | 48.52 | 61.11 | 61.27 | 72.71 | 65.85 | 53.78 | 44.89 | 15.90 | 6.58 | 40.28 | ||||||||||||
1986 | 17.19 | 11.19 | a | 36.45 | a | 42.33 | 56.81 | 67.92 | 70.03 | 66.38 | a | 54.40 | a | 46.77 | 22.02 | 21.84 | 42.78 | |||||||||
1987 | 19.52 | 26.71 | 27.35 | 52.73 | 61.27 | 69.78 | c | 71.97 | 65.79 | 59.73 | 43.06 | 35.55 | a | 22.00 | 46.29 | |||||||||||
1988 | 8.85 | 11.52 | b | 29.63 | a | 47.23 | 62.08 | 75.32 | 75.50 | a | 70.89 | 58.03 | 44.55 | 26.98 | 17.06 | 43.97 | ||||||||||
1989 | 16.07 | a | 3.98 | 22.48 | a | 43.77 | 57.27 | 64.23 | 74.32 | a | 69.73 | 59.22 | 47.53 | 26.63 | 6.37 | 40.97 | ||||||||||
1990 | 23.10 | 19.54 | 33.11 | 43.98 | 53.95 | 65.65 | 69.11 | 70.65 | 61.98 | 45.53 | 32.03 | 10.60 | 44.10 | |||||||||||||
1991 | 9.15 | 25.57 | 31.89 | 46.93 | 57.95 | 67.68 | 69.71 | 71.65 | 59.57 | 41.44 | 22.15 | 22.31 | 43.83 | |||||||||||||
1992 | 20.73 | 25.95 | 33.97 | 42.37 | 59.18 | 61.78 | 63.40 | b | 64.74 | 57.07 | 44.84 | 25.15 | 9.60 | 42.40 | ||||||||||||
1993 | 7.50 | a | 9.44 | a | 27.18 | 42.05 | 55.10 | 59.88 | 63.55 | a | 66.02 | 54.00 | 44.21 | 25.18 | 14.92 | 39.09 | ||||||||||
1994 | -3.60 | a | 5.59 | a | 29.95 | a | 41.97 | a | 59.45 | 66.03 | 66.13 | a | 66.10 | 61.32 | 47.95 | 31.55 | 18.85 | 40.94 | ||||||||
1995 | 9.55 | a | 15.54 | 25.29 | b | 37.35 | 53.19 | 66.95 | 68.71 | 70.95 | a | 58.00 | 44.34 | 23.29 | a | 13.38 | b | 40.55 | ||||||||
1996 | 2.31 | 14.50 | 18.27 | 37.78 | 51.97 | 66.47 | 66.90 | 70.39 | 58.07 | a | 44.90 | 16.83 | 4.82 | 37.77 | ||||||||||||
1997 | 1.37 | a | 15.61 | a | 23.40 | a | 37.16 | a | 53.98 | 67.57 | 69.98 | a | 68.82 | 61.07 | a | 48.02 | 24.20 | 23.15 | 41.19 | |||||||
1998 | 11.85 | 27.19 | a | 22.42 | 48.22 | 59.52 | 61.60 | 71.56 | 71.31 | 64.82 | 47.08 | 29.97 | 19.52 | 44.59 | ||||||||||||
1999 | 7.22 | a | 23.19 | a | 33.47 | 43.70 | 55.66 | 64.23 | 71.10 | 69.05 | 55.98 | a | 45.16 | 39.13 | 24.40 | 44.36 | ||||||||||
2000 | 13.19 | 23.14 | 35.69 | 43.18 | 57.56 | 62.17 | 71.13 | 69.32 | ----- | z | ----- | z | ----- | z | ----- | z | 46.92 | d | ||||||||
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.29 | b | 37.05 | h | 19.70 | d | 31.50 | j |
2002 | 18.44 | g | 25.68 | f | 19.27 | i | 40.10 | e | 50.45 | b | 68.23 | h | 72.74 | 67.21 | b | 60.48 | c | ----- | z | ----- | z | ----- | z | 58.20 | g | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 8.12 | 14.83 | 26.37 | 42.56 | 55.85 | 65.10 | 70.72 | 69.38 | 58.44 | 46.29 | 28.09 | 14.46 | 41.64 | |||||||||||||
S.D. | 7.22 | 7.04 | 6.10 | 4.46 | 3.29 | 3.26 | 2.94 | 2.99 | 3.39 | 2.96 | 5.20 | 6.36 | 1.89 | |||||||||||||
SKEW | 0.07 | 0.39 | -0.11 | 0.07 | 0.40 | 0.21 | -0.45 | 0.28 | -0.62 | 0.64 | -0.25 | -0.20 | 0.10 | |||||||||||||
MAX | 23.10 | 31.45 | 36.45 | 52.73 | 64.50 | 75.32 | 76.43 | 77.83 | 65.24 | 56.24 | 39.13 | 24.40 | 46.29 | |||||||||||||
MIN | -5.62 | 1.18 | 13.23 | 33.42 | 50.34 | 57.65 | 63.40 | 63.10 | 46.30 | 40.16 | 15.90 | -1.77 | 37.30 | |||||||||||||
YRS | 50 | 52 | 51 | 53 | 51 | 50 | 51 | 51 | 51 | 52 | 50 | 51 | 47 |