YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | 7.22 | m | 12.12 | c | 31.08 | s | 45.80 | e | 61.74 | b | 68.55 | 69.56 | 74.08 | 62.38 | a | 45.40 | 24.89 | g | 29.88 | a | 52.17 | c | ||||
1960 | 21.05 | a | 21.14 | 19.61 | 48.27 | 56.25 | a | 63.47 | 68.90 | 70.42 | 62.47 | a | 49.61 | 36.10 | i | 21.19 | b | 45.67 | a | |||||||
1961 | 17.02 | a | 27.59 | 33.53 | b | 41.17 | 54.92 | 68.47 | 70.90 | 70.89 | 60.22 | 49.79 | b | 33.22 | e | 18.27 | 45.50 | |||||||||
1962 | 12.87 | 16.86 | 28.68 | 43.69 | d | 62.79 | 67.65 | 67.87 | 68.65 | 56.65 | 51.89 | 36.80 | 19.79 | c | 44.51 | |||||||||||
1963 | 4.03 | 12.32 | 34.76 | 47.80 | 55.16 | 70.19 | a | 71.92 | 67.70 | d | 59.77 | 58.69 | 38.23 | 9.62 | c | 44.18 | ||||||||||
1964 | 22.47 | a | 25.36 | 29.30 | a | 46.83 | 62.03 | a | 67.62 | 73.66 | 65.90 | 58.60 | 46.56 | 38.20 | c | 16.05 | b | 46.05 | ||||||||
1965 | 13.16 | b | 15.57 | 22.48 | a | 42.57 | 60.72 | b | 64.72 | 69.44 | 66.66 | 57.52 | ----- | z | ----- | z | 30.31 | 44.31 | b | |||||||
1966 | 8.16 | 19.14 | 36.18 | 42.60 | a | 52.18 | 67.40 | 73.13 | a | 66.19 | 61.94 | f | 50.61 | 36.17 | a | 21.18 | a | 43.00 | a | |||||||
1967 | 18.79 | 11.61 | 33.31 | 46.52 | 51.79 | 67.18 | 68.35 | 64.52 | 58.10 | 48.78 | a | 32.25 | 23.42 | 43.72 | ||||||||||||
1968 | 18.13 | 18.72 | 40.37 | 47.73 | 54.77 | 66.75 | 70.23 | 68.82 | a | 60.12 | 52.21 | 35.35 | 23.90 | e | 46.43 | |||||||||||
1969 | 12.10 | 20.11 | 25.71 | 43.50 | h | 58.76 | 59.58 | 70.32 | 70.95 | b | ----- | z | ----- | z | 35.37 | 22.68 | a | 41.73 | c | |||||||
1970 | 8.18 | 19.29 | 28.74 | 47.57 | a | 60.66 | 67.93 | a | 73.61 | 69.85 | ----- | z | ----- | z | 35.77 | 21.05 | 43.26 | b | ||||||||
1971 | 7.12 | e | 17.63 | e | 26.94 | 46.12 | 54.72 | a | 71.00 | 66.78 | h | 67.50 | h | 59.31 | i | 57.68 | 36.91 | a | 24.68 | 38.09 | c | |||||
1972 | 12.44 | 16.72 | 28.53 | a | 41.80 | 60.50 | 64.20 | 69.06 | 69.38 | a | 61.53 | 46.82 | 34.15 | 15.45 | j | 45.92 | a | |||||||||
1973 | ----- | z | 25.56 | c | 41.63 | 44.78 | e | 54.16 | 67.84 | a | ----- | z | 71.83 | a | ----- | z | ----- | z | ----- | z | 15.07 | k | 50.97 | f | ||
1974 | 17.89 | 19.43 | 37.36 | f | 46.91 | b | 53.77 | 63.09 | a | 73.32 | 68.15 | 57.12 | 50.92 | a | ----- | z | 25.48 | 47.61 | b | |||||||
1975 | 19.08 | 20.25 | 26.94 | 40.55 | 61.08 | 68.13 | 73.56 | 70.85 | a | 57.00 | 53.44 | 40.67 | 25.19 | 46.40 | ||||||||||||
1976 | 14.17 | b | ----- | z | 34.83 | g | 48.21 | a | 55.66 | 70.20 | ----- | z | ----- | z | 61.95 | 46.39 | l | 29.20 | 11.95 | a | 41.62 | e | ||||
1977 | 0.94 | m | ----- | z | 39.66 | c | 53.42 | 65.52 | 67.22 | a | 75.27 | 66.95 | 61.55 | a | 49.48 | i | ----- | z | ----- | z | 61.37 | e | ||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 71.17 | v | 65.23 | 47.50 | b | 34.48 | a | 18.79 | 41.50 | h | ||
1979 | 3.21 | c | 9.55 | 29.93 | a | 43.20 | 55.57 | a | 65.79 | a | 70.39 | 67.39 | 62.23 | 46.47 | 34.13 | 26.45 | 42.86 | |||||||||
1980 | 16.42 | a | 16.19 | 27.23 | c | 46.25 | d | 58.13 | a | 65.84 | a | 73.93 | b | 69.68 | a | 59.90 | a | 43.27 | 35.90 | 20.37 | 44.43 | |||||
1981 | 17.87 | 21.89 | 33.09 | b | 47.50 | c | 55.47 | 65.24 | g | 69.65 | ----- | z | 57.08 | 44.74 | 37.25 | 18.90 | 40.34 | b | ||||||||
1982 | ----- | z | 30.31 | t | 30.93 | j | 41.96 | b | 60.29 | 59.65 | 70.87 | a | 65.27 | c | 57.67 | 47.32 | 33.13 | 27.68 | a | 51.54 | c | |||||
1983 | 20.44 | 26.12 | 33.37 | 40.66 | a | 51.82 | 67.12 | 73.50 | 73.79 | 60.22 | 47.40 | 36.86 | b | 8.94 | d | 45.02 | ||||||||||
1984 | 13.10 | 29.50 | a | 25.42 | 46.07 | 52.83 | a | 67.82 | 69.45 | 71.08 | 57.53 | a | 51.70 | a | 34.72 | 22.28 | a | 45.12 | ||||||||
1985 | 9.45 | c | 17.46 | b | 35.10 | b | 51.27 | b | 61.02 | 63.42 | 70.55 | 66.16 | 61.86 | b | 48.88 | e | 28.23 | 8.07 | a | 43.46 | ||||||
1986 | 13.45 | b | 17.70 | 35.56 | d | 48.07 | c | 58.92 | a | 65.48 | a | 72.22 | a | 63.97 | 58.77 | b | 47.30 | a | 31.22 | e | 23.13 | a | 44.65 | |||
1987 | 19.81 | 27.98 | 35.27 | 48.17 | a | 59.61 | 69.54 | b | 73.85 | 67.10 | 59.67 | a | 42.27 | a | 37.32 | 25.12 | a | 47.14 | ||||||||
1988 | 10.24 | b | 13.69 | 33.08 | 45.61 | b | 60.05 | 68.48 | 73.27 | 72.39 | 61.20 | 40.70 | a | 34.41 | b | 20.68 | 44.48 | |||||||||
1989 | 24.15 | a | 11.63 | a | 27.76 | b | 42.80 | 55.58 | 64.20 | 70.97 | 67.52 | c | 56.57 | 47.32 | a | 29.32 | b | 11.18 | c | 42.42 | ||||||
1990 | 26.17 | a | 21.78 | a | 36.31 | 46.45 | 52.53 | 65.93 | 69.45 | a | 68.53 | 61.67 | 45.40 | 38.42 | 15.85 | 45.71 | ||||||||||
1991 | 9.97 | 23.89 | 34.21 | 47.90 | 61.02 | 69.55 | 69.32 | 68.34 | 57.20 | 46.05 | 26.48 | 22.84 | 44.73 | |||||||||||||
1992 | 21.85 | 27.86 | 32.02 | a | 42.55 | 56.68 | 62.57 | 64.82 | 63.10 | 56.95 | 45.90 | b | 32.10 | 20.97 | 43.95 | |||||||||||
1993 | 15.10 | 16.71 | 28.10 | 40.27 | 56.71 | 62.95 | 68.45 | 68.77 | 53.67 | 45.16 | 32.15 | 23.25 | a | 42.61 | ||||||||||||
1994 | 4.95 | 11.16 | 32.60 | a | 45.07 | 55.65 | 67.97 | a | 67.87 | 65.02 | b | 62.28 | 49.50 | 38.26 | a | 26.15 | 43.87 | |||||||||
1995 | 17.35 | 21.39 | a | 33.73 | 40.05 | 54.47 | 68.78 | 71.29 | 74.24 | 57.05 | a | 48.44 | 26.76 | a | 17.36 | b | 44.24 | |||||||||
1996 | 11.32 | 16.60 | 25.42 | 40.90 | 52.15 | 65.23 | 67.39 | 67.60 | 59.74 | a | 47.53 | 26.86 | a | 19.21 | 41.66 | |||||||||||
1997 | 11.76 | 21.86 | 31.79 | 42.42 | 50.60 | b | 67.00 | 68.66 | 64.52 | 60.64 | b | 48.02 | a | 31.62 | 27.62 | a | 43.87 | |||||||||
1998 | 22.26 | 32.71 | 32.47 | 48.13 | 61.43 | a | 65.37 | 70.69 | 69.50 | 63.65 | 49.82 | 38.80 | b | 28.11 | 48.58 | |||||||||||
1999 | 12.40 | 29.07 | 32.84 | 48.05 | 58.84 | 67.17 | 74.48 | a | 67.24 | 58.20 | 46.42 | 41.03 | a | 24.63 | 46.70 | |||||||||||
2000 | 17.68 | 28.19 | 39.89 | 45.18 | 58.39 | 64.75 | 69.05 | 69.39 | 60.43 | 51.76 | 33.77 | b | 9.76 | 45.69 | ||||||||||||
2001 | 19.69 | 17.43 | 29.76 | 49.78 | a | 58.13 | 64.75 | 71.82 | 72.03 | a | 58.15 | 47.77 | a | 45.98 | 30.65 | a | 47.16 | |||||||||
2002 | 26.44 | 28.66 | 28.32 | 45.45 | 53.74 | 68.47 | a | 73.89 | 68.77 | a | 62.42 | 44.74 | 33.73 | 25.77 | 46.70 | |||||||||||
2003 | 15.79 | 14.73 | 31.47 | 45.12 | a | 55.50 | 64.05 | 69.97 | 72.02 | 60.77 | 47.98 | 34.76 | c | 26.27 | 44.87 | |||||||||||
2004 | 13.58 | 20.98 | 37.26 | 46.60 | 55.29 | 63.88 | d | 68.74 | 64.00 | b | 63.52 | 49.13 | a | 38.57 | 22.58 | 45.34 | ||||||||||
2005 | 15.55 | 27.44 | a | 30.48 | a | 49.20 | 53.74 | b | 72.04 | b | 72.53 | 69.45 | a | 64.68 | 51.21 | 36.27 | 18.95 | 46.80 | ||||||||
2006 | 30.11 | 20.29 | 34.65 | a | 51.02 | 58.00 | 67.13 | 74.11 | 70.03 | a | 57.48 | 44.98 | a | 38.88 | a | 29.89 | 48.05 | |||||||||
2007 | 23.30 | a | 13.16 | 36.44 | 45.33 | 61.08 | 68.35 | 71.31 | 70.31 | 63.43 | a | 56.79 | 36.53 | a | 18.98 | 47.08 | ||||||||||
2008 | 16.10 | b | 13.09 | 26.50 | 45.87 | 55.08 | a | 67.50 | 71.27 | a | 68.35 | 62.17 | a | 47.89 | 35.98 | 14.40 | a | 43.68 | ||||||||
2009 | 7.24 | 23.04 | c | 32.50 | 44.98 | 58.62 | c | 66.12 | b | 65.68 | 67.19 | 62.30 | 44.45 | 41.88 | 20.50 | a | 44.54 | |||||||||
2010 | 15.80 | d | 19.64 | 39.19 | 50.71 | p | 58.22 | a | 67.02 | 72.11 | 71.37 | 58.33 | a | ----- | z | ----- | z | ----- | z | 50.21 | d | |||||
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 |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 15.51 | 20.02 | 31.87 | 45.60 | 57.10 | 66.50 | 70.85 | 68.66 | 59.95 | 48.36 | 35.07 | 21.25 | 45.06 | |||||||||||||
S.D. | 6.06 | 5.77 | 4.79 | 3.08 | 3.43 | 2.60 | 2.37 | 2.72 | 2.54 | 3.70 | 4.07 | 5.80 | 1.61 | |||||||||||||
SKEW | 0.09 | 0.22 | -0.14 | 0.05 | 0.17 | -0.53 | -0.24 | 0.02 | -0.04 | 0.79 | -0.11 | -0.59 | 0.12 | |||||||||||||
MAX | 30.11 | 32.71 | 41.63 | 53.42 | 65.52 | 72.04 | 75.27 | 74.24 | 65.23 | 58.69 | 45.98 | 30.65 | 48.58 | |||||||||||||
MIN | 3.21 | 9.55 | 19.61 | 40.05 | 50.60 | 59.58 | 64.82 | 63.10 | 53.67 | 40.70 | 26.48 | 8.07 | 41.66 | |||||||||||||
YRS | 47 | 48 | 47 | 49 | 51 | 50 | 48 | 48 | 47 | 45 | 45 | 48 | 36 |