YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 79.27 | a | 70.40 | 60.16 | 40.11 | b | 27.42 | 55.47 | g | |||
1969 | 23.71 | 31.71 | 39.19 | 58.30 | 71.13 | 68.40 | 80.68 | 83.58 | 69.53 | 52.94 | 39.90 | 29.13 | 54.02 | |||||||||||||
1970 | 19.80 | a | 29.07 | 38.10 | 55.77 | 67.74 | 79.67 | 83.97 | 81.06 | 69.47 | 59.06 | 38.93 | 27.71 | 54.20 | ||||||||||||
1971 | 18.03 | 27.29 | 35.61 | 57.10 | a | 67.67 | a | 80.93 | a | 77.10 | a | 76.03 | 69.60 | 62.16 | 40.20 | 29.48 | 53.43 | |||||||||
1972 | 20.84 | 24.38 | 35.50 | a | 49.57 | 74.06 | 76.13 | 78.26 | 77.84 | 67.83 | 53.52 | 37.73 | 23.71 | 51.61 | ||||||||||||
1973 | 28.71 | 29.61 | 46.94 | 52.20 | 62.26 | 77.00 | 81.97 | 79.68 | 69.47 | 63.71 | 39.20 | 26.45 | 54.77 | |||||||||||||
1974 | 23.94 | 28.11 | 37.71 | 58.14 | a | 64.52 | 73.83 | 83.00 | 77.19 | 65.10 | 57.03 | a | 42.79 | b | 32.30 | a | 53.64 | |||||||||
1975 | 26.52 | 29.07 | 36.32 | 49.80 | 73.55 | 76.27 | 83.55 | 79.00 | 65.53 | 61.90 | a | 46.30 | 27.74 | 54.63 | ||||||||||||
1976 | 21.23 | 34.97 | 37.94 | 59.57 | 67.84 | 81.93 | 85.32 | 81.61 | 72.27 | 53.77 | 34.47 | 19.77 | 54.22 | |||||||||||||
1977 | 15.77 | 30.36 | 44.94 | 62.07 | 78.65 | 75.93 | 84.35 | 75.55 | 67.57 | 58.74 | 39.97 | 25.42 | 54.94 | |||||||||||||
1978 | 22.31 | b | 25.41 | a | 40.40 | a | 51.69 | a | 73.26 | 77.60 | 77.68 | 79.48 | 71.33 | 55.70 | a | 40.31 | a | 24.84 | 53.33 | |||||||
1979 | 14.87 | a | 22.00 | a | 37.97 | 50.33 | 63.74 | ----- | z | ----- | z | ----- | z | ----- | z | 52.42 | 37.87 | 33.97 | 39.15 | d | ||||||
1980 | 24.86 | b | 26.59 | 37.81 | 58.00 | a | 73.26 | 76.37 | 82.52 | 77.16 | 67.69 | a | 50.77 | 40.50 | 26.04 | g | 55.96 | a | ||||||||
1981 | 25.77 | a | 30.46 | 42.65 | 55.66 | a | 68.28 | b | 74.90 | 79.03 | 77.79 | b | 66.83 | a | 50.87 | 44.60 | 29.03 | b | 53.82 | |||||||
1982 | 15.97 | 27.39 | 37.23 | e | 48.61 | b | 71.26 | 72.41 | a | ----- | z | 74.97 | a | 66.68 | b | 56.57 | a | 40.07 | b | 32.71 | 49.44 | a | ||||
1983 | 27.48 | b | 34.30 | a | 38.30 | a | 49.57 | 60.77 | a | 76.46 | b | 85.33 | a | 83.29 | c | 70.43 | 56.90 | ----- | z | 17.04 | c | 54.53 | a | |||
1984 | 21.48 | 36.50 | a | 33.77 | 56.70 | 62.77 | a | 76.79 | b | 79.00 | 79.45 | b | 65.93 | a | 56.68 | 40.23 | 28.42 | 53.14 | ||||||||
1985 | 23.27 | a | 26.11 | 43.81 | 56.43 | 70.79 | b | 72.30 | c | 79.03 | a | 74.61 | 66.83 | 56.29 | 34.04 | c | 19.31 | b | 51.90 | |||||||
1986 | 25.23 | 27.54 | 40.52 | 59.17 | a | 71.27 | a | 76.52 | a | 80.83 | b | 74.63 | a | 66.60 | 55.65 | 36.28 | a | 30.26 | 53.71 | |||||||
1987 | 29.14 | b | 36.75 | 46.03 | 61.77 | 69.83 | b | 80.07 | 83.00 | 77.16 | 70.23 | 50.20 | a | 43.50 | 31.97 | a | 56.64 | |||||||||
1988 | 21.10 | 25.00 | 39.52 | b | 56.23 | 74.90 | 83.30 | 83.62 | b | 80.26 | 68.90 | 50.84 | 39.07 | a | 27.83 | a | 54.21 | |||||||||
1989 | 29.94 | 23.30 | a | 35.81 | 52.00 | a | 66.48 | b | 73.17 | 83.97 | b | 79.30 | a | 70.67 | 59.77 | a | 35.67 | 18.03 | 52.34 | |||||||
1990 | 33.81 | 30.89 | 43.57 | a | 58.53 | 63.94 | 74.67 | 78.65 | 75.77 | a | 69.24 | a | 55.40 | a | 45.53 | 27.23 | 54.77 | |||||||||
1991 | 20.00 | 32.43 | 40.07 | a | 58.77 | 69.73 | e | 79.97 | 77.87 | 79.61 | 64.60 | 55.19 | 34.48 | a | 29.30 | a | 53.50 | |||||||||
1992 | 26.06 | 30.76 | 38.74 | 48.07 | 70.23 | 73.00 | 72.76 | b | 74.71 | 64.27 | 54.90 | 35.50 | 27.52 | 51.38 | ||||||||||||
1993 | 24.29 | 27.21 | 40.61 | 49.40 | 64.83 | a | 72.67 | 77.47 | a | 77.94 | 62.37 | 53.00 | 36.50 | 26.00 | b | 51.02 | ||||||||||
1994 | 13.68 | 21.39 | 41.19 | 55.21 | b | 70.07 | a | 78.93 | a | 77.77 | a | 73.94 | 71.17 | a | 57.32 | 43.57 | 33.48 | 53.14 | ||||||||
1995 | 24.55 | 26.39 | 41.87 | 46.40 | 66.90 | b | 81.80 | 80.16 | 78.76 | b | 66.45 | a | 55.67 | a | 31.03 | 23.53 | a | 51.96 | ||||||||
1996 | 22.90 | 25.03 | 32.32 | 47.97 | 63.07 | a | 73.83 | 75.48 | 78.16 | 67.87 | 55.42 | 34.20 | 25.23 | 50.12 | ||||||||||||
1997 | 20.77 | 29.93 | 36.81 | 52.80 | 59.59 | d | 78.77 | 77.81 | 72.84 | 69.53 | 56.19 | 37.63 | 33.07 | a | 52.15 | |||||||||||
1998 | 26.03 | 38.46 | b | 39.48 | 60.40 | 76.68 | c | 74.45 | a | 82.42 | 81.42 | 76.43 | 58.79 | b | 43.43 | b | 35.32 | 57.78 | ||||||||
1999 | 21.65 | 32.96 | 43.16 | 58.20 | 70.52 | 77.77 | 83.52 | 77.39 | 70.43 | 55.10 | 50.86 | a | 28.39 | 55.83 | ||||||||||||
2000 | 24.35 | 33.72 | 48.74 | 54.97 | a | 69.58 | 73.87 | 77.77 | a | 78.65 | 68.67 | 61.86 | b | 41.45 | a | 19.42 | e | 54.42 | ||||||||
2001 | 30.83 | g | 26.42 | d | 40.52 | d | 56.90 | 69.57 | c | 74.90 | 81.48 | 81.68 | 68.17 | a | 57.31 | b | 49.88 | e | 37.00 | j | 60.68 | b | ||||
2002 | 32.65 | h | 36.60 | h | 35.18 | i | 53.52 | c | 61.45 | b | 74.86 | a | 82.45 | 76.33 | a | 69.65 | d | 48.65 | 37.59 | c | 30.72 | b | 59.47 | c | ||
2003 | 21.19 | 22.50 | 37.71 | 50.60 | 65.12 | f | 73.50 | 78.71 | 78.71 | 69.21 | a | 56.13 | 39.36 | h | 34.04 | g | 54.25 | c | ||||||||
2004 | 18.90 | k | 32.12 | l | 40.67 | g | 54.71 | f | 62.39 | 71.10 | 74.90 | 71.40 | a | 73.48 | a | 55.80 | a | 43.37 | 26.69 | b | 59.89 | d | ||||
2005 | 21.23 | a | 33.07 | 36.20 | a | 58.31 | a | 62.58 | 79.76 | a | 82.39 | 78.40 | a | 74.10 | a | 60.15 | e | 40.83 | 25.81 | 54.40 | ||||||
2006 | 32.13 | 26.14 | 39.61 | 60.07 | 66.32 | 75.83 | 82.84 | 76.54 | c | 66.07 | a | 51.43 | a | 42.62 | a | 32.50 | c | 54.34 | ||||||||
2007 | 27.68 | 20.75 | 42.48 | 52.04 | e | 70.42 | 77.83 | 79.16 | 78.67 | a | 71.70 | 61.47 | a | 39.63 | 26.42 | 54.02 | ||||||||||
2008 | 24.19 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 24.19 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 23.36 | 28.76 | 39.71 | 54.76 | 68.21 | 76.25 | 80.43 | 77.94 | 68.78 | 56.14 | 40.00 | 27.38 | 53.66 | |||||||||||||
S.D. | 4.53 | 4.46 | 3.62 | 4.33 | 4.66 | 3.27 | 3.09 | 2.71 | 2.83 | 3.62 | 4.26 | 4.54 | 1.61 | |||||||||||||
SKEW | 0.00 | 0.24 | 0.45 | -0.21 | 0.08 | 0.09 | -0.35 | -0.14 | 0.26 | 0.05 | 0.42 | -0.53 | 0.12 | |||||||||||||
MAX | 33.81 | 38.46 | 48.74 | 62.07 | 78.65 | 83.30 | 85.33 | 83.58 | 76.43 | 63.71 | 50.86 | 35.32 | 57.78 | |||||||||||||
MIN | 13.68 | 20.75 | 32.32 | 46.40 | 59.59 | 68.40 | 72.76 | 71.40 | 62.37 | 48.65 | 31.03 | 17.04 | 50.12 | |||||||||||||
YRS | 37 | 37 | 37 | 38 | 38 | 38 | 37 | 39 | 39 | 40 | 38 | 37 | 31 |