YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1965 | ----- | z | ----- | z | ----- | z | 45.73 | 49.30 | d | 58.84 | a | 65.90 | ----- | z | ----- | z | ----- | z | 39.50 | c | 28.73 | 48.00 | f | |||
1966 | 31.00 | b | 24.26 | k | 38.90 | a | 47.84 | a | ----- | z | 62.17 | l | 67.14 | b | 67.50 | 61.73 | 50.08 | l | 41.05 | 31.45 | 48.33 | d | ||||
1967 | 35.19 | 38.93 | 39.58 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.79 | q | 39.52 | 29.19 | 36.48 | g | ||||
1968 | 30.13 | 40.12 | a | 42.39 | 42.22 | 52.61 | 61.98 | 69.53 | 62.92 | 58.21 | b | ----- | z | ----- | z | 30.02 | a | 49.01 | b | |||||||
1969 | 34.60 | e | 28.10 | w | 43.03 | m | 47.35 | 57.00 | 60.05 | 67.63 | a | 68.24 | 62.87 | 44.19 | ----- | z | ----- | z | 55.24 | d | ||||||
1970 | 33.21 | 37.66 | 37.89 | 38.82 | 53.05 | 62.28 | 69.37 | 69.52 | 55.12 | 45.65 | a | 39.93 | 27.98 | 47.54 | ||||||||||||
1971 | 35.77 | 36.04 | 36.19 | 43.88 | 52.65 | 58.48 | 68.76 | 71.95 | 54.12 | 45.31 | 37.25 | 27.68 | 47.34 | |||||||||||||
1972 | 29.24 | 35.78 | 44.16 | 42.62 | 55.05 | 61.43 | a | 67.76 | 67.55 | 56.05 | 47.76 | b | 37.48 | 25.42 | 47.52 | |||||||||||
1973 | 28.03 | 35.62 | 38.21 | 44.38 | 58.00 | 63.48 | a | 69.77 | 68.11 | 58.65 | 49.52 | 39.18 | 35.29 | 49.02 | ||||||||||||
1974 | 28.66 | 35.59 | 39.56 | 44.43 | a | 52.18 | 64.50 | 68.56 | 66.40 | 60.33 | 47.83 | a | 39.30 | 31.77 | 48.26 | |||||||||||
1975 | 30.89 | 34.46 | 36.50 | b | 38.53 | a | 50.45 | 58.87 | 70.47 | a | 62.97 | a | 58.65 | 49.26 | 36.04 | b | 36.08 | 46.93 | ||||||||
1976 | 33.31 | 36.36 | 35.13 | 43.12 | a | 56.18 | 59.55 | 69.19 | 61.48 | 58.90 | 49.56 | 41.65 | 31.50 | a | 47.99 | |||||||||||
1977 | 23.61 | 37.32 | 36.85 | 48.88 | a | 48.63 | 65.28 | 65.79 | 67.63 | 59.22 | 50.74 | 40.47 | 36.56 | 48.42 | ||||||||||||
1978 | 34.02 | 36.52 | 45.65 | 44.33 | 51.31 | 60.22 | 68.27 | 65.84 | 56.97 | 52.03 | 36.42 | 27.30 | a | 48.24 | ||||||||||||
1979 | 21.98 | 35.82 | 41.15 | 45.92 | 55.15 | a | 62.13 | 69.69 | 65.76 | 62.37 | 52.47 | a | 33.93 | 35.48 | 48.49 | |||||||||||
1980 | 30.92 | 39.00 | 37.50 | a | 47.78 | 53.79 | 57.35 | c | 69.44 | e | 64.50 | c | 60.32 | 50.37 | a | 40.25 | b | 34.26 | 48.79 | |||||||
1981 | 30.30 | a | 36.73 | 40.30 | c | 47.91 | c | 52.62 | c | 60.25 | f | 68.87 | d | 71.80 | d | 61.25 | h | 47.52 | e | 40.84 | b | 36.94 | g | 48.54 | c | |
1982 | 25.65 | e | 32.80 | a | 38.76 | b | 41.55 | 51.31 | 60.23 | 66.42 | 69.24 | d | 56.14 | a | 48.02 | d | 32.24 | c | 29.34 | 45.97 | ||||||
1983 | 32.25 | a | 37.22 | a | 40.63 | 41.57 | b | 53.39 | 58.02 | d | 63.98 | 68.64 | c | 59.00 | c | 53.02 | d | 39.07 | a | 29.50 | f | 49.71 | a | |||
1984 | 20.26 | b | 32.00 | b | 39.06 | n | 41.88 | e | 53.75 | e | 57.48 | b | 72.10 | b | 69.97 | a | 59.15 | ----- | z | ----- | z | ----- | z | 50.82 | d | |
1985 | 25.33 | b | 28.69 | d | 36.67 | g | 50.52 | 55.45 | a | 72.09 | b | 74.10 | e | 65.40 | a | ----- | z | 45.00 | n | 32.19 | n | 24.25 | y | 53.08 | e | |
1986 | ----- | z | ----- | z | 43.42 | g | 42.40 | y | 51.80 | a | 65.58 | 64.30 | c | ----- | z | 53.90 | 49.91 | c | 42.39 | g | 27.86 | f | 57.10 | g | ||
1987 | 28.29 | c | 34.11 | 40.91 | i | 53.08 | k | 50.73 | p | 63.48 | a | 65.61 | d | ----- | z | ----- | z | ----- | z | 38.03 | 30.76 | d | 43.38 | f | ||
1988 | 27.78 | f | 37.31 | h | 39.26 | h | 49.25 | d | 54.00 | f | 64.33 | c | 71.87 | a | 67.24 | 61.08 | f | 56.61 | i | 38.15 | d | 25.65 | e | 52.75 | f | |
1989 | 28.68 | f | 26.29 | i | 42.76 | d | 50.03 | 51.97 | b | 63.44 | l | 71.87 | d | 65.32 | a | 57.93 | 48.18 | c | 38.50 | 32.53 | a | 51.01 | c | |||
1990 | 34.02 | a | 30.63 | a | 41.28 | a | 51.72 | 50.66 | f | 60.83 | 69.79 | 68.59 | b | 64.32 | 48.30 | c | 37.27 | f | 20.90 | g | 52.16 | c | ||||
1991 | 29.62 | e | 38.27 | d | 37.68 | 44.02 | d | 49.25 | e | 57.18 | e | 69.57 | c | 70.10 | 62.26 | g | 50.45 | a | 38.40 | d | 30.33 | e | 46.81 | a | ||
1992 | 32.21 | e | 38.90 | 43.55 | a | ----- | z | 59.34 | c | ----- | z | 66.59 | b | 69.60 | e | 60.36 | e | 53.26 | f | 33.76 | g | 27.37 | a | 49.74 | d | |
1993 | 21.23 | a | 26.09 | a | 41.96 | c | 44.20 | c | 56.68 | 57.38 | 59.71 | b | 62.65 | e | 58.22 | g | 50.02 | c | 34.54 | q | 30.29 | c | 45.02 | b | ||
1994 | 35.50 | 31.44 | d | 43.00 | c | 48.75 | 56.50 | 61.93 | c | 72.30 | a | 72.54 | h | 63.43 | 48.83 | a | 30.19 | a | 26.56 | g | 49.19 | b | ||||
1995 | 34.12 | b | 42.28 | e | 39.61 | 45.40 | i | 51.45 | a | ----- | z | 67.38 | e | 65.35 | 60.48 | d | 48.53 | a | ----- | z | 29.77 | c | 48.78 | c | ||
1996 | 32.83 | a | 33.50 | 41.40 | a | ----- | z | ----- | z | ----- | z | 70.78 | k | 68.69 | 57.79 | d | 50.25 | a | 39.93 | 36.33 | h | 46.34 | e | |||
1997 | 32.92 | ----- | z | ----- | z | ----- | z | 57.82 | l | 59.89 | c | ----- | z | 69.52 | b | 62.36 | e | 48.74 | 40.33 | ----- | z | 52.29 | f | |||
1998 | ----- | z | 34.98 | ----- | z | 43.39 | c | 50.59 | n | 58.54 | b | ----- | z | ----- | z | 63.22 | a | 46.30 | a | 39.76 | c | 28.40 | b | 44.94 | e | |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.30 | d | 38.10 | 31.00 | 40.47 | i | ||
2002 | 31.55 | b | 34.46 | 38.36 | b | 47.85 | 54.37 | a | 64.70 | c | 73.98 | b | 66.45 | a | 60.90 | d | 47.15 | 38.52 | 35.23 | a | 49.46 | |||||
2003 | 38.22 | a | 32.86 | c | 43.87 | 44.30 | b | 54.94 | d | 64.61 | b | 77.48 | e | 70.81 | b | 63.23 | d | 57.36 | f | 33.12 | f | 34.50 | e | 52.48 | b | |
2004 | 28.00 | h | 33.26 | b | 46.62 | b | 47.62 | e | 54.41 | i | 61.58 | e | 72.02 | 69.48 | c | 61.69 | d | 50.29 | b | 35.52 | 32.92 | 51.10 | b | |||
2005 | 29.12 | b | 33.59 | 42.16 | b | 47.22 | e | 53.91 | c | 57.64 | b | 74.36 | f | 70.48 | b | 59.18 | 50.97 | b | 42.65 | g | ----- | z | 49.36 | c | ||
2006 | ----- | z | 47.14 | g | 41.39 | v | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.44 | 35.19 | 40.40 | 45.41 | 53.52 | 61.29 | 68.95 | 67.49 | 59.55 | 49.08 | 38.20 | 30.96 | 48.00 | |||||||||||||
S.D. | 4.41 | 3.37 | 2.91 | 3.32 | 2.65 | 3.31 | 3.36 | 2.71 | 2.80 | 2.16 | 2.65 | 3.17 | 0.93 | |||||||||||||
SKEW | -0.72 | -0.49 | 0.22 | -0.14 | 0.16 | 1.08 | -0.09 | -0.46 | -0.27 | -0.26 | -1.42 | 0.16 | -0.54 | |||||||||||||
MAX | 38.22 | 42.28 | 46.62 | 51.72 | 59.34 | 72.09 | 77.48 | 71.95 | 64.32 | 53.02 | 41.65 | 36.56 | 49.46 | |||||||||||||
MIN | 20.26 | 26.09 | 35.13 | 38.53 | 48.63 | 57.18 | 59.71 | 61.48 | 53.90 | 44.19 | 30.19 | 25.42 | 45.97 | |||||||||||||
YRS | 32 | 31 | 29 | 31 | 29 | 31 | 33 | 32 | 30 | 29 | 28 | 28 | 13 |