YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1949 | ----- | z | ----- | z | ----- | z | ----- | z | 48.00 | h | 60.10 | 64.84 | 59.84 | 44.73 | 41.71 | 28.73 | 13.94 | 44.84 | e | |||||||
1950 | 4.45 | 9.46 | 16.90 | 28.87 | 45.26 | 53.67 | 54.97 | 51.97 | 47.03 | 43.16 | 19.20 | 5.10 | 31.67 | |||||||||||||
1951 | 5.03 | b | 10.82 | 16.71 | 33.17 | 50.16 | 52.47 | 57.39 | 54.03 | 44.30 | 37.29 | 14.43 | 10.48 | 32.19 | ||||||||||||
1952 | 6.50 | a | 17.29 | a | 18.39 | 36.80 | 44.06 | 56.07 | b | 58.39 | 52.74 | 44.20 | 28.52 | 25.23 | 16.74 | 33.74 | ||||||||||
1953 | 10.60 | a | 9.54 | 21.77 | 31.97 | ----- | z | ----- | z | ----- | z | ----- | z | 49.81 | i | 43.25 | o | 29.69 | a | 16.07 | a | 19.94 | f | |||
1954 | 5.06 | 22.82 | 19.35 | 36.25 | b | 40.81 | 58.30 | 60.00 | ----- | z | 47.45 | j | 37.35 | 26.80 | 14.77 | 32.15 | b | |||||||||
1955 | 6.13 | 7.79 | d | 17.39 | 41.86 | b | 48.45 | 54.85 | c | 63.57 | a | 61.83 | a | 50.03 | 40.10 | 19.67 | 7.65 | 34.94 | ||||||||
1956 | 7.90 | 8.46 | a | 16.47 | a | 30.90 | 43.93 | d | 56.85 | d | 56.23 | 57.13 | 44.23 | 42.06 | 20.04 | c | 14.30 | a | 33.21 | |||||||
1957 | -2.85 | d | 13.14 | 19.16 | 34.97 | 43.30 | a | 53.62 | f | 60.27 | p | 55.07 | d | 46.07 | 35.52 | 23.33 | 14.39 | 28.21 | b | |||||||
1958 | 11.71 | 5.79 | 23.23 | 34.86 | a | 44.68 | 50.21 | a | 57.10 | 57.39 | 48.38 | a | 40.48 | 27.50 | 6.65 | 34.00 | ||||||||||
1959 | 1.13 | a | 6.44 | a | 19.65 | 35.11 | b | 50.42 | 56.62 | a | 57.26 | h | 62.00 | f | 50.79 | a | 35.43 | a | 15.73 | 22.06 | 29.34 | b | ||||
1960 | 13.31 | b | 12.52 | 11.20 | a | 36.07 | 46.06 | 49.82 | h | 59.59 | n | 57.68 | 51.43 | 39.39 | 28.03 | a | 11.77 | 30.75 | b | |||||||
1961 | 6.97 | 18.83 | j | 25.17 | a | 30.27 | 42.43 | a | 54.87 | 59.48 | 59.58 | 49.87 | 40.45 | 26.00 | 10.03 | 36.83 | a | |||||||||
1962 | 2.73 | a | 9.07 | 20.17 | a | 32.30 | 51.39 | 55.10 | 56.32 | 57.10 | 46.03 | 41.42 | 27.47 | 10.90 | 34.17 | |||||||||||
1963 | -3.39 | 2.68 | 23.77 | a | 34.70 | 42.94 | 55.07 | 59.61 | 55.30 | a | 50.40 | 49.03 | 30.40 | 3.87 | 33.70 | |||||||||||
1964 | 13.71 | 15.48 | 19.73 | a | 34.63 | 50.42 | 56.53 | 61.43 | a | 55.00 | 49.13 | 36.63 | a | 27.59 | a | 9.10 | a | 35.78 | ||||||||
1965 | 3.55 | 4.89 | 15.00 | 33.93 | 49.00 | 54.17 | 58.52 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.29 | e | |||||||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | 46.07 | a | 50.23 | 60.34 | b | ----- | z | 48.67 | f | 36.32 | 23.17 | a | 15.90 | b | 38.67 | f | ||
1970 | -2.03 | 1.31 | o | 19.93 | d | 33.68 | h | 48.97 | 57.00 | a | 59.23 | a | 58.06 | 49.90 | a | 39.29 | q | 25.53 | 10.20 | a | 36.31 | c | ||||
1971 | -1.28 | b | 8.93 | a | 17.87 | 33.24 | a | 42.46 | c | 59.28 | a | 54.48 | b | 53.48 | 51.23 | 45.23 | a | 26.17 | 14.74 | 33.82 | ||||||
1972 | -0.57 | a | 5.54 | c | 16.74 | 30.79 | b | 49.68 | c | ----- | z | 57.10 | 58.71 | c | ----- | z | ----- | z | ----- | z | ----- | z | 31.14 | e | ||
1973 | ----- | z | ----- | z | 30.77 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.77 | k | |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.07 | d | 57.29 | 43.59 | a | 40.23 | e | 27.96 | d | 17.63 | d | 41.63 | f | |
1975 | 9.52 | b | 11.18 | 16.68 | c | 29.70 | 49.68 | 57.17 | 61.47 | a | 59.84 | 46.77 | 41.32 | 30.03 | 15.27 | a | 35.72 | |||||||||
1976 | 4.29 | 17.69 | 24.32 | 38.03 | 42.87 | 56.83 | 61.23 | 57.06 | 48.20 | 34.23 | 17.60 | 0.93 | a | 33.61 | ||||||||||||
1977 | -6.55 | 11.81 | a | 29.42 | 40.90 | 54.23 | 55.03 | 62.27 | a | 56.10 | 51.70 | 38.19 | 25.21 | a | 8.77 | a | 35.59 | |||||||||
1978 | 0.16 | 3.71 | ----- | z | ----- | z | 46.52 | f | 55.00 | 60.39 | 59.84 | 54.03 | 38.74 | ----- | z | 8.55 | 35.05 | d | ||||||||
1979 | -3.60 | a | 2.18 | 20.71 | 31.87 | 43.37 | a | ----- | z | 58.97 | 57.52 | 51.47 | 37.87 | 25.87 | 17.27 | a | 31.23 | a | ||||||||
1980 | 7.10 | ----- | z | 17.65 | 35.60 | 48.68 | 54.00 | 61.43 | a | ----- | z | 50.77 | ----- | z | 27.37 | 12.77 | 35.04 | c | ||||||||
1981 | 10.48 | 15.00 | 25.10 | a | 37.83 | a | 44.06 | 56.17 | 60.57 | a | 59.32 | 47.73 | 36.77 | 27.93 | 12.19 | 36.10 | ||||||||||
1982 | -4.93 | b | 9.00 | a | 20.90 | a | 29.33 | 50.67 | a | 49.80 | 61.45 | 58.65 | 51.45 | a | 40.32 | 24.38 | a | 19.74 | 34.23 | |||||||
1983 | 13.77 | 21.70 | a | 24.69 | b | 32.47 | 42.11 | c | 55.93 | c | ----- | z | 63.03 | a | 51.96 | b | 40.87 | a | 29.20 | 0.74 | 34.22 | a | ||||
1984 | 6.87 | 21.66 | 15.97 | 36.90 | 43.83 | a | 57.47 | 58.81 | 61.00 | 48.13 | 42.13 | 26.00 | a | 13.10 | a | 35.99 | ||||||||||
1985 | 2.47 | a | ----- | z | 27.72 | b | 40.57 | 49.84 | ----- | z | 58.94 | 55.47 | a | 51.03 | ----- | z | ----- | z | -1.47 | a | 35.57 | d | ||||
1986 | 8.83 | b | ----- | z | 25.35 | 38.93 | 47.42 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.13 | h | |||
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.30 | a | 30.53 | ----- | z | 31.92 | j | |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.40 | 63.48 | 62.57 | a | 50.73 | ----- | z | 26.47 | ----- | z | 52.33 | g | ||||
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | 16.89 | 26.45 | 39.67 | 53.37 | a | 62.37 | 61.48 | 61.13 | 50.20 | 38.90 | 20.13 | 17.10 | 40.70 | a | ||||||||||
1992 | 15.71 | 22.21 | a | 25.42 | 34.73 | 48.55 | 54.67 | 57.74 | 55.81 | 50.17 | 39.68 | 26.33 | 16.13 | a | 37.26 | |||||||||||
1993 | 10.23 | 11.64 | 22.23 | 34.13 | 49.16 | 55.17 | 62.03 | 61.87 | 46.87 | 38.00 | 24.87 | 16.83 | a | 36.09 | ||||||||||||
1994 | -0.71 | 7.93 | 25.61 | 36.33 | 47.94 | 59.10 | 60.13 | 57.06 | 55.33 | 43.77 | 31.43 | 20.74 | 37.06 | |||||||||||||
1995 | 12.42 | 12.48 | a | 26.61 | 32.23 | 46.65 | 61.37 | 63.45 | 66.32 | 49.67 | 40.81 | 19.97 | 12.19 | 37.01 | ||||||||||||
1996 | 4.23 | 11.86 | 16.94 | 31.87 | 45.29 | 58.67 | 59.45 | 60.00 | 52.03 | 40.06 | 20.87 | 11.87 | 34.43 | |||||||||||||
1997 | 5.45 | 15.85 | b | 24.48 | 33.77 | 42.71 | 59.10 | a | 61.65 | 57.87 | a | 53.40 | 41.61 | 24.90 | 21.47 | a | 36.85 | |||||||||
1998 | 16.32 | 26.79 | 25.80 | a | 39.73 | 53.35 | 56.47 | 62.29 | 62.10 | 56.47 | 44.06 | 32.27 | 18.90 | a | 41.21 | |||||||||||
1999 | 7.45 | 21.71 | 25.52 | 40.60 | 50.94 | 58.70 | 65.97 | 59.80 | a | 50.90 | 39.35 | 33.27 | 18.32 | 39.38 | ||||||||||||
2000 | 11.37 | a | 22.83 | 31.52 | 36.80 | 50.65 | 55.10 | 61.16 | 62.16 | 52.52 | a | 44.90 | 26.63 | 3.29 | 38.24 | |||||||||||
2001 | 14.61 | 8.14 | 22.13 | 40.03 | 49.19 | 57.17 | 62.97 | a | 62.97 | 50.83 | 40.94 | 39.47 | 21.80 | a | 39.19 | |||||||||||
2002 | 20.55 | 20.52 | a | 19.65 | 36.87 | 44.07 | b | 59.90 | 65.61 | 60.68 | 54.60 | 36.19 | 26.07 | a | 19.53 | a | 38.69 | |||||||||
2003 | 6.77 | 8.15 | a | 23.65 | 36.10 | 46.87 | 56.33 | 61.32 | 62.19 | 52.17 | 40.13 | 27.20 | 19.03 | a | 36.66 | |||||||||||
2004 | 6.39 | 16.04 | a | 28.43 | a | 38.53 | 47.10 | 54.90 | 59.74 | 55.52 | 55.30 | 41.84 | 32.63 | 15.00 | b | 37.62 | ||||||||||
2005 | 9.94 | 20.93 | 22.32 | 40.47 | 45.77 | 60.87 | 63.45 | 60.58 | 55.70 | 43.10 | 28.07 | c | 13.23 | a | 38.70 | |||||||||||
2006 | 24.10 | 12.57 | 26.26 | 41.27 | 48.94 | 57.79 | a | 64.80 | a | 61.23 | 49.27 | 37.26 | 30.63 | 20.00 | j | 41.28 | a | |||||||||
2007 | ----- | z | ----- | z | 33.62 | g | 36.23 | 50.03 | 59.20 | 62.00 | 61.89 | c | 52.90 | a | 46.00 | 26.92 | d | 11.84 | 45.22 | c | ||||||
2008 | 6.10 | 7.67 | b | 19.97 | 35.66 | a | 44.03 | 57.76 | a | 61.86 | b | 58.50 | a | 53.89 | b | 40.00 | a | 27.79 | b | 5.50 | c | 34.89 | ||||
2009 | 0.35 | 14.48 | a | 24.97 | a | 35.77 | 47.87 | 56.89 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.06 | f | |||
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 6.42 | 12.80 | 21.96 | 35.49 | 47.14 | 56.49 | 60.60 | 58.70 | 50.16 | 39.80 | 26.18 | 12.85 | 35.86 | |||||||||||||
S.D. | 6.62 | 6.21 | 4.47 | 3.43 | 3.36 | 2.73 | 2.66 | 3.09 | 3.23 | 3.59 | 4.65 | 5.77 | 2.26 | |||||||||||||
SKEW | 0.27 | 0.36 | 0.01 | 0.01 | 0.07 | -0.37 | -0.20 | -0.07 | -0.23 | -0.32 | -0.24 | -0.57 | 0.30 | |||||||||||||
MAX | 24.10 | 26.79 | 31.52 | 41.86 | 54.23 | 62.37 | 65.97 | 66.32 | 56.47 | 49.03 | 39.47 | 22.06 | 41.21 | |||||||||||||
MIN | -6.55 | 2.18 | 11.20 | 28.87 | 40.81 | 49.80 | 54.48 | 51.97 | 43.59 | 28.52 | 14.43 | -1.47 | 31.67 | |||||||||||||
YRS | 48 | 44 | 49 | 48 | 49 | 46 | 47 | 46 | 47 | 46 | 49 | 48 | 31 |