YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1949 | ----- | z | ----- | z | ----- | z | ----- | z | 59.72 | h | 71.20 | 75.40 | 71.97 | 56.72 | 53.47 | 37.20 | 23.02 | 55.57 | e | |||||||
1950 | 16.19 | 18.79 | 25.65 | 39.25 | 57.18 | 65.40 | 67.18 | 64.00 | 59.28 | 54.16 | 28.80 | 13.77 | 42.47 | |||||||||||||
1951 | 13.05 | b | 19.93 | 25.60 | 42.12 | 61.61 | 63.88 | 69.35 | 65.47 | 56.28 | 48.34 | 24.65 | 18.84 | 42.43 | ||||||||||||
1952 | 16.78 | a | 25.77 | a | 28.08 | 48.78 | 56.55 | 68.38 | b | 71.02 | 65.44 | 59.12 | 43.88 | a | 34.57 | 23.52 | 45.16 | |||||||||
1953 | 18.62 | a | 19.00 | 30.60 | 40.18 | ----- | z | ----- | z | ----- | z | ----- | z | 63.44 | n | 55.86 | q | 39.11 | c | 24.05 | a | 28.59 | f | |||
1954 | 14.90 | 30.52 | 28.32 | 47.16 | b | 50.81 | 68.25 | 69.98 | ----- | z | 57.23 | j | 46.81 | 35.72 | 21.95 | 41.44 | b | |||||||||
1955 | 15.06 | 16.71 | d | 27.48 | 52.17 | c | 59.60 | 65.09 | c | 74.80 | a | 73.17 | a | 62.05 | 49.27 | 27.90 | 15.89 | 44.93 | ||||||||
1956 | 17.03 | 17.89 | a | 25.35 | a | 41.37 | 54.73 | e | 67.52 | d | 66.97 | 67.74 | 56.98 | 53.65 | 29.67 | d | 23.03 | a | 43.49 | |||||||
1957 | 7.94 | d | 22.46 | 29.58 | 44.90 | 53.83 | a | 64.72 | g | 71.63 | p | 65.76 | d | 57.67 | 45.92 | 31.07 | 23.61 | 38.27 | b | |||||||
1958 | 18.92 | 14.29 | 31.39 | 46.14 | a | 57.74 | 61.29 | a | 67.97 | 70.06 | 60.55 | a | 51.31 | 36.47 | 14.97 | 44.26 | ||||||||||
1959 | 9.63 | a | 15.48 | a | 28.52 | 45.30 | b | 61.63 | a | 66.88 | a | 68.04 | h | 71.52 | f | 61.31 | a | 43.83 | a | 24.30 | 28.68 | 38.56 | b | |||
1960 | 20.55 | b | 20.12 | 20.86 | b | 46.67 | 56.06 | 60.93 | i | 71.24 | n | 68.50 | 61.65 | 48.73 | a | 36.46 | b | 20.02 | 39.96 | b | ||||||
1961 | 15.63 | 27.56 | j | 32.85 | a | 39.85 | 54.22 | a | 66.68 | 69.55 | 69.89 | 59.40 | a | 50.42 | 33.47 | 17.18 | 46.28 | a | ||||||||
1962 | 11.48 | a | 16.68 | 27.85 | a | 42.67 | a | 60.98 | 65.40 | 66.73 | 68.37 | 56.92 | 50.35 | 35.33 | 18.98 | 43.48 | ||||||||||
1963 | 4.61 | 13.52 | 33.12 | a | 46.77 | 54.85 | 68.22 | 71.77 | 67.05 | a | 61.35 | 59.42 | 38.95 | 11.71 | 44.28 | |||||||||||
1964 | 22.81 | 25.57 | 28.85 | a | 46.05 | a | 61.65 | 67.57 | 73.30 | a | 66.18 | 59.00 | 47.13 | a | 36.83 | a | 16.65 | a | 45.96 | |||||||
1965 | 9.79 | x | 15.36 | 23.53 | 42.98 | 60.94 | 65.87 | 69.61 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.38 | f | ||||||
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 | 57.88 | a | 59.53 | 70.16 | b | ----- | z | 59.98 | f | 45.65 | 32.47 | a | 22.00 | b | 47.95 | f | ||
1970 | 7.65 | a | 16.04 | o | 28.28 | d | 43.52 | h | 59.44 | 67.88 | a | 71.55 | b | 69.34 | 59.80 | b | 49.31 | r | 32.90 | 19.25 | a | 46.23 | c | |||
1971 | 8.55 | b | 16.71 | b | 27.74 | b | 46.34 | a | 55.12 | c | 70.29 | a | 66.26 | b | 66.13 | 62.20 | 54.60 | a | 33.90 | 22.18 | 44.17 | |||||
1972 | 10.63 | a | 15.13 | c | 26.32 | 40.62 | b | 61.86 | c | ----- | z | 67.56 | 68.96 | c | ----- | z | ----- | z | ----- | z | ----- | z | 41.59 | e | ||
1973 | ----- | z | ----- | z | 39.76 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.76 | k | |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 73.74 | d | 67.47 | 55.00 | b | 50.85 | e | 35.04 | d | 24.33 | d | 51.07 | f | |
1975 | 17.45 | b | 19.27 | 25.59 | c | 39.07 | a | 61.00 | 67.08 | 72.42 | a | 70.74 | 56.32 | 52.47 | 39.90 | a | 22.03 | a | 45.28 | |||||||
1976 | 13.65 | 27.19 | 33.37 | 49.03 | 55.32 | 69.17 | 73.45 | 69.74 | 61.40 | 44.34 | 27.27 | 11.38 | a | 44.61 | ||||||||||||
1977 | 2.02 | 20.85 | a | 37.85 | a | 53.37 | 66.74 | 66.10 | 73.63 | a | 66.27 | 60.60 | 47.84 | 33.09 | a | 16.15 | a | 45.38 | ||||||||
1978 | 9.12 | a | 13.16 | ----- | z | ----- | z | 58.72 | f | 66.43 | 69.31 | 70.13 | 65.12 | 47.87 | ----- | z | 16.90 | 44.75 | d | |||||||
1979 | 4.47 | a | 12.27 | 29.37 | 41.73 | 55.77 | a | ----- | z | 69.69 | 67.47 | 62.85 | 47.16 | 33.12 | 26.67 | b | 40.96 | a | ||||||||
1980 | 15.48 | ----- | z | 27.21 | 47.18 | 61.11 | 67.10 | 73.52 | b | ----- | z | 61.05 | ----- | z | 35.63 | 20.39 | 45.41 | c | ||||||||
1981 | 19.52 | 23.57 | 35.82 | a | 49.03 | a | 56.34 | 66.77 | 70.88 | a | 68.85 | 58.43 | a | 46.35 | 36.78 | 19.32 | 45.97 | |||||||||
1982 | 5.71 | c | 18.54 | a | 28.92 | a | 41.90 | a | 61.00 | a | 62.00 | a | 72.71 | 68.79 | 60.45 | a | 49.76 | 32.38 | a | 27.60 | a | 44.15 | ||||
1983 | 20.26 | 27.76 | a | 32.52 | b | 41.90 | 52.61 | c | 67.50 | c | ----- | z | 73.90 | a | 62.14 | b | 49.18 | c | 35.52 | 9.18 | 42.95 | a | ||||
1984 | 14.60 | 29.71 | 25.39 | 46.67 | a | 54.74 | b | 68.38 | 70.26 | 72.10 | 59.77 | 51.31 | 34.12 | b | 21.78 | a | 45.74 | |||||||||
1985 | 12.34 | b | ----- | z | 37.21 | b | 52.00 | 62.25 | a | ----- | z | 72.10 | b | 66.67 | a | 60.08 | ----- | z | ----- | z | 8.68 | a | 46.42 | d | ||
1986 | 17.23 | c | ----- | z | 35.53 | 50.68 | 59.69 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.79 | h | |||
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.48 | a | 38.27 | ----- | z | 40.88 | j | |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 72.86 | a | 76.68 | 75.07 | a | 62.77 | ----- | z | 35.15 | ----- | z | 64.50 | 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 | 25.52 | 34.98 | 49.55 | 61.78 | b | 71.33 | 70.61 | 70.02 | 59.03 | 48.11 | 26.95 | 23.34 | 49.20 | a | ||||||||||
1992 | 21.66 | 27.93 | a | 32.93 | a | 42.97 | 60.15 | 64.83 | a | 66.06 | 65.13 | a | 59.47 | a | 47.98 | 30.68 | 22.03 | a | 45.15 | |||||||
1993 | 17.55 | 18.75 | 29.71 | 42.93 | 57.77 | 64.42 | 69.55 | 70.09 | b | 54.90 | 47.93 | a | 31.30 | 22.28 | a | 43.93 | ||||||||||
1994 | 6.73 | 15.61 | 34.48 | a | 47.12 | 58.81 | 69.75 | 68.68 | 65.74 | 63.47 | 51.24 | 37.78 | 26.25 | a | 45.47 | |||||||||||
1995 | 18.35 | a | 20.15 | a | 35.03 | 41.97 | 56.93 | a | 70.72 | 72.53 | 74.85 | 59.27 | 49.13 | a | 26.37 | 17.76 | b | 45.25 | ||||||||
1996 | 12.08 | 20.14 | a | 26.06 | 42.62 | 54.39 | 67.15 | 68.29 | 69.55 | a | 60.95 | 49.19 | 26.60 | 18.11 | 42.93 | |||||||||||
1997 | 12.73 | 22.46 | b | 32.05 | 44.27 | 52.98 | 68.67 | a | 70.21 | 65.38 | a | 61.29 | a | 50.21 | 29.67 | a | 26.08 | a | 44.67 | |||||||
1998 | 21.19 | 32.36 | 32.78 | a | 49.77 | 64.15 | 65.23 | 71.18 | 70.29 | 66.33 | 51.39 | 38.33 | 26.27 | a | 49.11 | |||||||||||
1999 | 13.65 | 28.46 | 34.11 | 49.70 | 60.15 | a | 67.65 | 74.89 | 68.13 | a | 60.33 | 49.29 | 41.87 | 26.18 | a | 47.87 | ||||||||||
2000 | 17.75 | a | 29.84 | 40.74 | 47.38 | 59.85 | a | 64.42 | 69.90 | a | 70.42 | 61.57 | a | 53.45 | 32.55 | 8.88 | a | 46.40 | ||||||||
2001 | 20.92 | 16.23 | 29.77 | 50.57 | 58.26 | 66.33 | 72.80 | a | 71.79 | 59.23 | 48.48 | 46.63 | 28.37 | a | 47.45 | |||||||||||
2002 | 27.00 | 28.33 | a | 27.73 | 46.20 | 55.36 | b | 68.85 | 74.69 | 69.37 | 64.13 | 43.42 | 33.38 | a | 26.52 | b | 47.08 | |||||||||
2003 | 15.06 | 17.06 | a | 32.29 | 46.97 | 56.52 | a | 66.34 | a | 71.00 | 73.08 | 61.50 | 49.27 | 33.97 | 25.50 | a | 45.71 | |||||||||
2004 | 13.29 | 22.87 | b | 35.77 | a | 49.27 | 57.34 | 64.58 | 68.65 | 64.40 | 65.33 | 50.18 | a | 38.90 | 21.62 | b | 46.02 | |||||||||
2005 | 15.94 | 26.98 | 30.73 | 51.22 | 55.39 | 71.67 | 73.81 | 70.21 | 65.77 | 52.02 | a | 35.57 | c | 18.03 | a | 47.28 | ||||||||||
2006 | 29.32 | 20.59 | 33.34 | 51.65 | 58.61 | 67.81 | a | 75.55 | a | 69.97 | a | 57.73 | 45.19 | 37.95 | 27.50 | j | 49.79 | a | ||||||||
2007 | ----- | z | ----- | z | 43.28 | h | 45.92 | 61.73 | a | 69.75 | 72.15 | 69.89 | c | 62.59 | a | 53.60 | 33.83 | d | 17.63 | 54.12 | c | |||||
2008 | 13.32 | a | 15.56 | b | 27.85 | 44.90 | a | 54.81 | 66.98 | b | 71.43 | b | 68.33 | a | 62.28 | c | 48.00 | b | 34.34 | b | 14.29 | c | 43.51 | |||
2009 | 8.58 | 22.22 | a | 34.05 | a | 46.23 | 57.75 | a | 65.68 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.09 | 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 | 14.62 | 21.07 | 30.67 | 45.90 | 58.08 | 67.06 | 71.05 | 68.95 | 60.46 | 49.25 | 33.93 | 20.27 | 45.15 | |||||||||||||
S.D. | 5.77 | 5.40 | 4.29 | 3.78 | 3.29 | 2.65 | 2.65 | 2.72 | 2.69 | 3.32 | 4.52 | 5.22 | 1.57 | |||||||||||||
SKEW | 0.07 | 0.36 | 0.21 | 0.01 | 0.15 | -0.34 | 0.04 | 0.27 | 0.03 | 0.42 | -0.04 | -0.51 | 0.40 | |||||||||||||
MAX | 29.32 | 32.36 | 40.74 | 53.37 | 66.74 | 72.86 | 76.68 | 75.07 | 66.33 | 59.42 | 46.63 | 28.68 | 49.11 | |||||||||||||
MIN | 2.02 | 12.27 | 20.86 | 39.07 | 50.81 | 59.53 | 66.06 | 64.00 | 54.90 | 43.42 | 24.30 | 8.68 | 42.43 | |||||||||||||
YRS | 47 | 44 | 49 | 48 | 49 | 46 | 47 | 46 | 47 | 46 | 49 | 48 | 31 |