YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.23 | r | 29.17 | 25.19 | 27.18 | j | ||
1963 | 13.29 | 30.89 | 27.84 | 33.47 | 44.81 | 49.57 | 51.13 | 50.74 | 47.63 | 39.10 | 27.07 | 18.03 | 36.13 | |||||||||||||
1964 | 15.16 | 14.10 | 25.13 | 30.80 | 37.71 | 46.70 | 53.63 | a | 47.03 | 40.17 | 32.77 | 23.73 | 20.87 | 32.32 | ||||||||||||
1965 | 19.06 | 25.00 | 21.23 | 36.77 | 40.81 | 48.03 | 52.61 | 52.48 | 37.80 | 34.74 | 28.90 | 16.87 | 34.53 | |||||||||||||
1966 | ----- | z | 21.93 | 26.03 | 32.13 | 41.68 | 45.17 | 53.29 | 53.03 | a | 47.43 | 30.39 | 29.73 | 24.55 | 36.85 | a | ||||||||||
1967 | 24.84 | 26.46 | 27.58 | 30.10 | 40.06 | 47.20 | 56.13 | 52.57 | a | 45.13 | 33.16 | ----- | z | 17.16 | 36.40 | a | ||||||||||
1968 | 18.26 | 29.14 | 28.45 | 29.03 | 39.27 | a | 48.39 | b | 54.53 | a | 49.72 | b | ----- | z | 31.27 | e | 29.18 | b | 21.65 | 34.44 | a | |||||
1969 | 17.94 | 19.00 | 25.74 | 34.31 | a | 44.93 | a | 48.60 | 54.39 | 49.00 | c | 43.86 | b | 30.26 | 23.50 | 23.45 | 34.58 | |||||||||
1970 | 25.10 | a | 26.89 | 28.16 | 28.07 | a | 40.71 | 49.57 | 54.00 | 49.48 | 39.07 | 29.41 | b | 28.23 | 17.13 | a | 34.65 | |||||||||
1971 | 21.30 | d | 23.93 | a | 23.06 | 31.37 | 41.31 | b | 45.73 | 55.89 | c | 60.69 | b | ----- | z | 30.43 | a | 23.59 | a | 15.87 | 33.92 | a | ||||
1972 | 16.63 | a | 21.52 | 31.10 | 29.83 | 41.06 | 49.77 | 52.55 | 52.58 | 35.88 | m | 32.58 | 27.47 | ----- | z | 35.51 | b | |||||||||
1973 | 18.79 | q | 26.35 | e | 28.61 | h | 33.60 | ----- | z | 47.59 | c | ----- | z | ----- | z | ----- | z | 31.50 | w | 27.70 | 27.00 | c | 32.45 | g | ||
1974 | 17.97 | 25.96 | 28.35 | ----- | z | 40.09 | i | 52.72 | a | 54.71 | 51.65 | 44.43 | 35.83 | g | 28.32 | b | 21.41 | b | 36.17 | c | ||||||
1975 | 16.06 | 23.81 | a | 28.67 | d | 31.28 | a | 40.85 | e | 47.15 | d | 59.79 | b | 51.56 | d | 42.74 | g | 37.34 | b | 24.04 | d | 19.36 | c | 34.54 | a | |
1976 | 18.29 | q | 20.88 | d | 24.35 | e | 31.21 | k | 40.48 | j | 43.07 | p | 57.08 | e | 51.53 | a | 48.12 | e | 34.25 | g | 27.76 | i | 16.04 | f | 40.39 | g |
1977 | 9.00 | e | 20.00 | i | 25.78 | h | 35.10 | j | 39.04 | f | 55.65 | m | 53.73 | p | 58.17 | g | 42.89 | l | 37.29 | g | 25.93 | c | 27.61 | 20.85 | i | |
1978 | 24.21 | b | 29.93 | 34.10 | 36.10 | 40.55 | 48.37 | 57.12 | e | 51.81 | 47.54 | f | 35.61 | 23.31 | a | 14.00 | a | 35.92 | a | |||||||
1979 | 4.53 | a | 22.44 | a | 30.87 | 34.33 | 43.87 | a | ----- | z | 55.73 | p | 56.93 | b | 47.58 | d | 41.00 | a | 24.50 | 23.48 | b | 32.95 | b | |||
1980 | 19.61 | 30.10 | 28.77 | 37.41 | a | 44.23 | 45.15 | d | 56.42 | e | 56.10 | u | 49.54 | b | 37.94 | 27.31 | d | 23.21 | b | 36.34 | a | |||||
1981 | 26.90 | 22.67 | g | 31.00 | n | 35.85 | d | 41.27 | a | 47.41 | a | 53.52 | 56.96 | c | 45.97 | a | 34.00 | a | 30.33 | c | 24.58 | 39.68 | b | |||
1982 | 14.30 | a | 20.89 | 30.20 | a | 31.27 | 40.55 | 51.80 | 55.48 | 55.39 | 46.13 | 36.13 | a | 23.10 | 20.31 | b | 35.46 | |||||||||
1983 | 24.45 | 29.68 | 34.68 | 34.60 | 43.53 | a | 50.17 | a | 54.55 | 58.90 | 45.67 | 38.68 | 30.60 | 16.13 | 38.47 | |||||||||||
1984 | 15.07 | b | 21.14 | a | 30.13 | 34.83 | 40.60 | a | 46.67 | 57.10 | 56.16 | 43.55 | a | 34.03 | 29.77 | 11.32 | f | 37.19 | a | |||||||
1985 | 13.45 | 16.54 | 25.93 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.53 | a | 14.86 | h | ||
1986 | 16.10 | 28.70 | a | 34.68 | 33.60 | 40.39 | 47.90 | 52.84 | 57.81 | 43.50 | 37.90 | 26.70 | 19.87 | a | 36.67 | |||||||||||
1987 | 15.30 | a | 26.36 | 29.90 | 36.43 | 46.06 | 50.27 | ----- | z | ----- | z | ----- | z | 37.42 | 31.53 | 22.33 | a | 32.85 | c | |||||||
1988 | 14.71 | c | ----- | z | 24.68 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.80 | 39.87 | 26.17 | a | 17.63 | a | 27.64 | f | |||
1989 | 11.70 | a | 11.38 | b | 27.73 | p | 39.67 | o | ----- | z | ----- | z | 56.19 | 56.42 | ----- | z | ----- | z | ----- | z | ----- | z | 33.92 | h | ||
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 24.00 | a | 3.93 | a | 13.97 | j |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | 44.37 | a | 53.17 | a | 52.60 | a | 52.59 | b | 42.33 | 35.33 | a | 23.77 | 11.74 | 39.49 | d | |||
1993 | 10.52 | 14.32 | 26.10 | 33.27 | 44.10 | b | 45.25 | b | 48.68 | c | 48.30 | a | 41.96 | d | 33.48 | f | 15.00 | 22.48 | 31.82 | a | ||||||
1994 | 24.52 | 21.46 | 29.03 | 38.67 | 46.16 | 50.30 | 60.71 | 54.76 | b | 47.60 | 31.77 | 21.20 | 14.06 | 36.69 | ||||||||||||
1995 | 24.68 | 28.57 | 29.83 | a | 32.53 | 43.26 | ----- | z | 54.90 | 47.13 | 44.77 | 27.61 | 29.50 | 21.00 | a | 34.89 | a | |||||||||
1996 | 22.03 | 23.00 | 29.81 | 32.57 | 40.65 | 46.67 | 56.13 | 50.37 | a | 41.24 | a | 32.06 | 26.27 | 23.23 | 35.33 | |||||||||||
1997 | 20.20 | a | 25.11 | a | 26.93 | b | 32.76 | a | 42.00 | b | ----- | z | 54.07 | a | 51.53 | a | 44.24 | a | 31.00 | d | 24.79 | b | 19.14 | b | 33.80 | a |
1998 | 25.76 | b | 25.78 | a | 29.40 | a | 34.07 | a | 42.67 | a | 48.40 | 58.23 | i | 56.48 | 50.80 | 33.61 | 30.37 | 18.66 | b | 36.00 | a | |||||
1999 | 24.19 | 24.61 | 30.73 | a | 33.33 | 38.55 | 49.70 | 53.30 | a | 55.16 | 43.03 | 33.35 | 29.37 | 21.58 | 36.41 | |||||||||||
2000 | 24.13 | 29.72 | 29.32 | 38.97 | 45.26 | 51.73 | 57.57 | a | 55.61 | 43.90 | 35.65 | 22.13 | 22.35 | 38.03 | ||||||||||||
2001 | 18.07 | a | 20.61 | 32.32 | 32.86 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 27.74 | c | 21.77 | 25.56 | f | |||
2002 | 21.87 | a | 20.57 | 28.23 | a | 35.93 | b | 42.00 | a | 52.97 | 61.29 | 52.39 | c | 44.58 | f | 34.00 | t | ----- | z | ----- | z | 39.41 | d | |||
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | 44.06 | m | 46.37 | 55.58 | 55.81 | 41.73 | 35.23 | 24.00 | 14.52 | 39.03 | e | |||||||
2006 | 24.06 | 20.07 | 30.03 | 35.80 | 42.03 | a | 53.21 | a | 60.77 | 54.00 | 43.33 | 32.61 | 27.40 | 15.72 | b | 36.59 | ||||||||||
2007 | 14.45 | 26.00 | 31.26 | 34.40 | 42.71 | c | 51.23 | 62.84 | 54.58 | 45.43 | 35.19 | 24.27 | 21.61 | 37.00 | ||||||||||||
2008 | 14.97 | 24.31 | 26.29 | 27.67 | 44.13 | 49.17 | 57.94 | 55.13 | 44.17 | 34.77 | 29.00 | 16.87 | a | 35.37 | ||||||||||||
2009 | 21.97 | 23.92 | b | 26.74 | 33.77 | 42.45 | 51.93 | a | 57.13 | a | 56.13 | 46.90 | a | 34.16 | 23.87 | 13.39 | 36.03 | |||||||||
2010 | 23.33 | a | 28.18 | 29.38 | b | 33.33 | 38.65 | 49.83 | 54.58 | 53.16 | 46.70 | ----- | z | ----- | z | ----- | z | 39.68 | c | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 18.71 | 23.83 | 28.55 | 33.48 | 42.09 | 48.97 | 55.58 | 53.39 | 44.58 | 34.31 | 26.31 | 19.08 | 35.89 | |||||||||||||
S.D. | 5.31 | 4.67 | 2.97 | 2.70 | 2.16 | 2.38 | 2.97 | 3.23 | 2.93 | 3.17 | 3.28 | 5.21 | 1.49 | |||||||||||||
SKEW | -0.46 | -0.69 | -0.07 | -0.13 | 0.08 | 0.19 | 0.42 | -0.02 | -0.16 | 0.12 | -0.93 | -1.12 | -0.48 | |||||||||||||
MAX | 26.90 | 30.89 | 34.68 | 38.97 | 46.16 | 53.21 | 62.84 | 60.69 | 50.80 | 41.00 | 31.53 | 27.61 | 38.47 | |||||||||||||
MIN | 4.53 | 11.38 | 21.23 | 27.67 | 37.71 | 45.15 | 48.68 | 47.03 | 37.80 | 27.61 | 15.00 | 3.53 | 32.32 | |||||||||||||
YRS | 39 | 39 | 38 | 36 | 35 | 35 | 36 | 37 | 32 | 34 | 40 | 40 | 16 |