YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1953 | ----- | z | ----- | z | ----- | z | ----- | z | 56.06 | 68.07 | 69.24 | 67.98 | 57.82 | 52.39 | 36.73 | 24.25 | c | 54.07 | d | |||||||
1954 | 12.81 | 29.39 | 27.03 | 47.07 | 50.66 | 68.48 | 70.59 | b | 66.29 | 58.43 | b | 46.47 | 35.77 | 21.60 | 44.55 | |||||||||||
1955 | 14.84 | 16.84 | 26.35 | 50.35 | 59.71 | 64.23 | 74.95 | 71.68 | 60.52 | 48.60 | 27.62 | 13.98 | 44.14 | |||||||||||||
1956 | 14.98 | 15.74 | 22.68 | 39.81 | a | 54.55 | b | 68.59 | a | 66.37 | 66.52 | 55.37 | 52.98 | 31.97 | a | 22.26 | 42.65 | |||||||||
1957 | 8.15 | 21.71 | 29.63 | 44.37 | 53.32 | 65.22 | 69.42 | 65.03 | 57.22 | 45.31 | 32.33 | 24.27 | 43.00 | |||||||||||||
1958 | 19.05 | 14.82 | 30.24 | 45.50 | 56.18 | 61.02 | 66.30 | a | 68.11 | 61.08 | 50.97 | 35.75 | 13.65 | 43.56 | ||||||||||||
1959 | 6.85 | 12.93 | 26.00 | 43.48 | a | 60.34 | 65.57 | b | 66.95 | 71.19 | 60.40 | 44.23 | 24.33 | 28.92 | 42.60 | |||||||||||
1960 | 19.85 | 20.40 | 19.92 | 47.23 | 56.40 | 62.72 | 67.97 | 69.73 | 61.53 | 47.69 | 35.85 | 18.76 | 44.00 | |||||||||||||
1961 | 15.24 | b | 24.59 | e | 32.50 | a | 40.50 | 53.48 | 65.37 | 68.79 | 68.58 | 59.38 | 50.18 | 33.00 | 17.61 | 44.10 | ||||||||||
1962 | 11.50 | 15.59 | 27.87 | 43.38 | 61.53 | 64.72 | 65.69 | 67.15 | 55.38 | 50.56 | 34.62 | 19.84 | 43.15 | |||||||||||||
1963 | 4.08 | 11.95 | 31.44 | 45.98 | a | 53.87 | 67.72 | 70.03 | 64.97 | 58.70 | 56.71 | 37.84 | a | 10.77 | 42.84 | |||||||||||
1964 | 21.68 | 23.69 | 28.91 | b | 46.60 | 62.39 | 66.60 | 72.15 | 66.00 | 57.90 | 44.68 | 35.72 | 15.39 | 45.14 | ||||||||||||
1965 | 11.47 | 13.91 | a | 22.95 | 41.62 | 61.07 | a | 64.88 | 68.34 | 65.82 | 56.33 | 48.89 | 33.98 | 27.52 | 43.06 | |||||||||||
1966 | 6.15 | 18.45 | 33.61 | 42.17 | 52.48 | a | 66.43 | 71.63 | 65.29 | 56.97 | 48.08 | 34.53 | 19.92 | 42.98 | ||||||||||||
1967 | 18.02 | 11.98 | 29.58 | 44.02 | 49.63 | 65.58 | 67.65 | 63.82 | a | 57.85 | 46.22 | a | 30.21 | a | 21.23 | 42.15 | ||||||||||
1968 | 14.39 | 15.14 | 36.10 | a | 45.02 | 52.53 | 63.62 | a | 67.82 | a | 67.35 | 59.33 | 49.85 | 34.13 | 18.35 | 43.64 | ||||||||||
1969 | 10.35 | a | 18.11 | 23.71 | 45.90 | 55.77 | 57.61 | b | 69.19 | b | 70.07 | a | 58.75 | 44.31 | 31.17 | 19.15 | a | 42.01 | ||||||||
1970 | 6.31 | 16.82 | 24.34 | 44.34 | b | 56.15 | a | 66.87 | 71.37 | a | 67.25 | c | 58.32 | 50.53 | b | 33.72 | 19.67 | b | 42.97 | |||||||
1971 | 8.00 | b | 17.54 | c | 25.11 | 44.23 | 53.97 | 69.48 | a | 67.07 | c | 65.27 | e | 61.33 | 55.37 | a | 35.55 | 23.16 | b | 43.84 | ||||||
1972 | 8.00 | c | 12.72 | 23.68 | 39.15 | c | ----- | z | 63.59 | c | ----- | z | ----- | z | 59.00 | 46.44 | 33.67 | 16.68 | 33.66 | c | ||||||
1973 | 20.69 | 23.04 | 40.35 | 43.91 | a | 53.59 | c | 68.23 | 73.55 | 71.47 | 61.00 | 55.93 | a | 35.28 | 19.69 | 47.23 | ||||||||||
1974 | 17.34 | 18.75 | 31.94 | 48.43 | 54.98 | 63.55 | 73.55 | 67.50 | 56.13 | 49.18 | 36.52 | 25.92 | 45.32 | |||||||||||||
1975 | 17.39 | 17.67 | b | 24.30 | d | 37.82 | b | 60.40 | a | 67.17 | 71.42 | 69.85 | a | 54.97 | a | 51.05 | 38.73 | 21.38 | a | 44.35 | ||||||
1976 | 11.85 | 25.38 | 31.16 | b | 47.70 | b | 55.03 | 68.36 | a | 72.18 | 67.55 | 58.57 | 43.03 | 25.00 | 9.87 | 42.97 | ||||||||||
1977 | 1.52 | a | 20.43 | 38.27 | 51.50 | a | 65.08 | 65.48 | 73.56 | 65.61 | 60.87 | 47.52 | 33.43 | a | 17.05 | 45.03 | ||||||||||
1978 | 8.60 | 10.64 | 27.54 | c | 43.75 | f | 60.81 | g | 65.70 | 69.74 | 69.73 | 64.92 | 47.44 | 32.74 | a | 17.53 | 41.46 | b | ||||||||
1979 | 5.58 | 11.32 | 31.77 | 42.57 | 55.03 | a | 67.15 | 70.82 | 67.74 | 63.52 | a | 47.53 | 33.67 | 26.65 | a | 43.61 | ||||||||||
1980 | 16.45 | 16.22 | 27.24 | 48.07 | 60.66 | 66.87 | 74.06 | 70.76 | 61.40 | 44.37 | 35.95 | 21.68 | c | 45.31 | ||||||||||||
1981 | 19.45 | a | 24.36 | 36.05 | 49.41 | b | 56.97 | a | 68.07 | 71.47 | a | 69.13 | 58.78 | 47.13 | 37.53 | 20.53 | 46.57 | |||||||||
1982 | 9.22 | b | 20.00 | a | 30.68 | 42.30 | 62.84 | 61.16 | b | 72.42 | 67.98 | c | 59.78 | 50.27 | a | 34.05 | 28.37 | a | 44.92 | |||||||
1983 | 22.28 | a | 28.07 | a | 35.17 | b | 42.90 | 53.40 | 68.07 | 75.66 | 73.29 | 61.71 | a | 49.45 | 37.00 | a | 10.75 | c | 46.48 | |||||||
1984 | 15.18 | 31.45 | a | 26.18 | 46.93 | b | 54.63 | a | 68.53 | 69.45 | 70.77 | 59.35 | 52.00 | a | 34.62 | a | 22.52 | b | 45.97 | |||||||
1985 | 13.02 | 18.64 | 37.35 | 52.32 | 62.47 | 63.38 | a | 70.76 | 66.37 | a | 60.72 | 49.13 | 29.22 | 10.08 | 44.45 | |||||||||||
1986 | 18.08 | a | 19.06 | a | 36.16 | 50.95 | a | 60.22 | a | 67.32 | 72.71 | b | 65.35 | 60.22 | 49.73 | 30.40 | 24.23 | 46.20 | ||||||||
1987 | 22.11 | 29.43 | a | 37.87 | 52.28 | a | 61.94 | 69.60 | 74.37 | 68.68 | 61.28 | a | 43.26 | 38.09 | a | 27.40 | 48.86 | |||||||||
1988 | 13.35 | 16.28 | b | 33.35 | 46.65 | 62.84 | 71.17 | a | 74.94 | 74.47 | b | 62.57 | 43.45 | 36.83 | 20.48 | 46.37 | ||||||||||
1989 | 25.16 | 15.02 | a | 29.11 | 43.79 | a | 56.68 | 66.38 | a | 73.71 | 69.82 | 59.82 | 51.48 | a | 31.38 | 11.82 | 44.52 | |||||||||
1990 | 28.23 | 24.80 | 37.06 | 49.03 | 55.00 | 68.52 | b | 72.21 | 69.84 | 64.43 | 48.84 | 39.77 | 17.81 | 47.96 | ||||||||||||
1991 | 12.58 | 24.89 | 35.19 | 49.91 | a | 63.21 | 71.80 | 71.32 | 70.44 | 59.37 | 49.05 | 28.48 | 22.79 | 46.59 | ||||||||||||
1992 | 22.50 | 28.83 | 32.94 | 44.12 | 59.72 | a | 64.97 | 66.48 | 65.63 | 59.55 | a | 48.24 | 32.12 | 21.95 | 45.59 | |||||||||||
1993 | 17.69 | 18.48 | a | 30.87 | 42.67 | 58.56 | 64.52 | 70.29 | 70.34 | 55.02 | a | 48.03 | 32.29 | a | 23.61 | 44.36 | ||||||||||
1994 | 6.16 | 14.64 | 34.31 | 46.60 | a | 58.68 | 70.08 | 69.47 | a | 67.23 | a | 64.17 | 52.22 | a | 38.52 | a | 27.78 | a | 45.82 | |||||||
1995 | 19.65 | 22.07 | 35.39 | 42.03 | 57.24 | 70.90 | 73.53 | a | 75.88 | b | 59.47 | 50.10 | 26.68 | 18.15 | 45.92 | |||||||||||
1996 | 12.11 | 18.93 | a | 25.97 | 42.62 | a | 55.02 | 67.76 | a | 68.26 | b | 69.60 | 61.32 | 49.97 | 26.12 | 19.02 | a | 43.06 | ||||||||
1997 | 14.11 | 23.54 | 31.75 | a | 44.33 | a | 53.29 | 68.63 | 70.73 | 66.37 | a | 60.88 | a | 50.24 | 31.15 | 27.82 | 45.24 | |||||||||
1998 | 22.26 | 33.27 | 33.03 | 48.76 | a | 61.92 | a | 63.32 | 70.92 | a | 69.47 | 65.40 | 50.76 | 39.16 | a | 27.68 | 48.83 | |||||||||
1999 | 14.55 | 29.57 | 34.74 | 50.27 | 60.85 | a | 68.34 | a | 75.77 | a | 68.87 | 60.45 | 49.50 | 41.16 | b | 25.44 | 48.29 | |||||||||
2000 | 17.77 | a | 29.98 | 41.42 | 47.58 | 60.58 | a | 66.23 | 70.11 | 71.23 | 62.03 | a | 52.83 | b | 32.93 | b | 9.15 | a | 46.82 | |||||||
2001 | 21.79 | 17.96 | 31.03 | 51.23 | b | 59.70 | a | 67.71 | b | 73.60 | 73.24 | 59.55 | b | 48.82 | a | 46.33 | 29.45 | 48.37 | ||||||||
2002 | 27.02 | 29.22 | a | 27.92 | a | 47.32 | 55.93 | d | 69.70 | 76.40 | 69.92 | 64.55 | a | 44.28 | a | 34.07 | 26.77 | 47.76 | ||||||||
2003 | 15.81 | 16.21 | 33.00 | 47.45 | 56.97 | a | 66.05 | a | 72.40 | k | 70.77 | a | 60.45 | 46.62 | a | 34.86 | a | 25.81 | 43.09 | a | ||||||
2004 | 13.27 | 22.88 | a | 36.26 | 47.03 | a | 57.40 | 63.82 | 67.50 | 63.74 | 63.48 | 50.19 | 37.46 | b | 22.25 | a | 45.44 | |||||||||
2005 | 15.48 | 26.46 | a | 28.30 | a | 48.14 | b | 54.40 | a | 70.84 | a | 71.97 | a | 68.89 | 65.54 | b | 50.81 | 35.79 | a | 18.40 | a | 46.25 | ||||
2006 | 29.67 | a | 19.48 | 33.76 | b | 50.12 | a | 58.64 | b | 66.07 | 74.98 | 69.35 | a | 56.87 | 44.31 | 37.64 | a | 28.56 | 47.45 | |||||||
2007 | 21.92 | 13.28 | a | 35.86 | c | 45.34 | b | 62.30 | a | 67.78 | 70.40 | 69.35 | a | 60.98 | a | 53.84 | 32.16 | a | 17.63 | 45.90 | ||||||
2008 | 13.66 | 13.79 | 26.90 | 45.15 | d | 53.32 | 65.26 | a | 68.47 | b | 66.03 | 61.55 | a | 47.85 | 33.93 | 13.73 | a | 42.47 | ||||||||
2009 | 5.80 | i | 22.69 | a | 32.78 | a | 43.11 | b | 57.32 | 64.80 | 63.72 | a | 65.32 | a | 60.36 | b | 43.31 | 40.56 | c | 19.29 | 46.66 | a | ||||
2010 | 14.84 | 20.68 | 37.89 | 51.24 | a | 58.90 | 66.17 | a | 71.97 | a | 71.55 | 58.33 | 49.35 | a | 35.60 | 16.21 | 46.06 | |||||||||
2011 | 13.92 | a | 11.65 | o | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.22 | u | 50.41 | c | 36.64 | e | 25.90 | 31.72 | h | |
2012 | 20.87 | 26.35 | f | 47.15 | 45.27 | 59.05 | c | 67.16 | b | 77.69 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.86 | f | |||
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 15.26 | 20.17 | 31.37 | 45.92 | 57.45 | 66.49 | 70.91 | 68.55 | 60.02 | 48.85 | 34.28 | 20.65 | 45.03 | |||||||||||||
S.D. | 6.18 | 5.78 | 5.30 | 3.43 | 3.59 | 2.66 | 2.99 | 2.64 | 2.58 | 3.18 | 4.02 | 5.38 | 1.85 | |||||||||||||
SKEW | 0.08 | 0.41 | 0.25 | -0.06 | 0.05 | -0.59 | -0.01 | 0.39 | 0.13 | 0.12 | -0.15 | -0.33 | 0.31 | |||||||||||||
MAX | 29.67 | 33.27 | 47.15 | 52.32 | 65.08 | 71.80 | 77.69 | 75.88 | 65.54 | 56.71 | 46.33 | 29.45 | 48.86 | |||||||||||||
MIN | 1.52 | 10.64 | 19.92 | 37.82 | 49.63 | 57.61 | 63.72 | 63.74 | 54.97 | 43.03 | 24.33 | 9.15 | 42.01 | |||||||||||||
YRS | 58 | 57 | 58 | 57 | 57 | 59 | 57 | 57 | 58 | 59 | 59 | 59 | 53 |