YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | 38.59 | d | 38.78 | a | 52.27 | a | 54.78 | c | 65.26 | d | 77.83 | a | 78.14 | c | 76.45 | b | 68.59 | c | 57.26 | d | 40.11 | b | 35.74 | 56.98 | ||
1995 | 34.90 | b | 48.52 | c | 47.89 | c | 51.50 | f | 57.42 | g | 69.07 | c | 76.29 | c | 77.00 | a | 69.04 | d | 63.33 | d | 54.34 | a | 42.03 | a | 58.24 | b |
1996 | 36.69 | b | 44.70 | b | 47.54 | c | 56.35 | g | 69.56 | f | 73.89 | b | 78.72 | b | 75.76 | b | 65.57 | b | 59.88 | f | 43.15 | c | 35.90 | a | 55.77 | c |
1997 | 33.29 | c | 37.54 | b | 53.89 | d | 49.92 | f | 63.03 | b | 71.67 | c | 75.17 | a | 72.90 | a | 70.82 | b | 59.13 | a | 45.25 | b | 31.03 | a | 55.79 | a |
1998 | 37.23 | 36.36 | c | 45.71 | c | 50.52 | c | 65.00 | e | 72.52 | c | 76.27 | a | 74.45 | b | 72.71 | b | 57.32 | f | 48.66 | a | 41.73 | a | 56.47 | a | |
1999 | 42.56 | d | 47.50 | f | 53.79 | b | 50.17 | g | 60.59 | d | 72.18 | b | 75.31 | b | 71.93 | b | 68.96 | c | 67.12 | e | 58.26 | c | 39.60 | a | 61.03 | b |
2000 | 44.96 | f | 47.84 | d | 48.54 | e | 60.74 | g | 71.00 | f | 75.30 | c | 78.84 | 77.57 | a | 75.27 | h | 59.31 | e | 40.66 | a | 41.76 | b | 58.73 | d | |
2001 | 34.34 | b | 40.63 | a | 46.86 | b | 56.67 | c | 67.86 | c | 76.96 | d | 77.86 | b | 76.18 | c | 72.69 | a | 64.67 | d | 50.93 | a | 33.86 | b | 58.29 | |
2002 | 36.89 | c | 43.12 | c | 50.41 | d | 62.00 | 67.13 | 80.03 | 82.23 | 78.52 | 69.53 | 59.23 | 49.37 | 36.00 | 59.54 | ||||||||||
2003 | 46.65 | 40.54 | 49.87 | 57.07 | 66.53 | a | 73.77 | 83.16 | 77.83 | a | 72.97 | a | 68.52 | 42.93 | 38.23 | 59.84 | ||||||||||
2004 | 33.87 | a | 37.76 | 56.74 | 54.17 | 67.06 | 73.67 | 76.87 | 75.74 | 69.50 | 59.07 | a | 46.20 | 39.45 | 57.51 | |||||||||||
2005 | 36.39 | 40.57 | 45.81 | 55.86 | a | 66.52 | 72.57 | 81.87 | 74.65 | 71.37 | 61.61 | 51.20 | 40.97 | 58.28 | ||||||||||||
2006 | 41.73 | a | 44.82 | 44.67 | a | 61.38 | a | 69.59 | b | 77.53 | 77.35 | 74.10 | ----- | z | ----- | z | ----- | z | ----- | z | 61.40 | d | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 37.76 | 41.76 | 49.54 | 56.55 | 65.86 | 74.38 | 78.31 | 75.62 | 70.16 | 61.92 | 47.59 | 38.03 | 58.41 | |||||||||||||
S.D. | 4.02 | 4.03 | 3.70 | 3.76 | 2.55 | 3.02 | 2.62 | 1.95 | 2.23 | 3.83 | 5.57 | 3.53 | 1.11 | |||||||||||||
SKEW | 0.96 | 0.38 | 0.51 | 0.10 | -0.74 | 0.24 | 0.67 | -0.36 | -0.45 | 0.56 | 0.36 | -0.53 | 0.12 | |||||||||||||
MAX | 46.65 | 48.52 | 56.74 | 62.00 | 69.59 | 80.03 | 83.16 | 78.52 | 72.97 | 68.52 | 58.26 | 42.03 | 59.84 | |||||||||||||
MIN | 33.29 | 36.36 | 44.67 | 50.52 | 60.59 | 69.07 | 75.17 | 71.93 | 65.57 | 57.26 | 40.11 | 31.03 | 56.98 | |||||||||||||
YRS | 12 | 12 | 13 | 8 | 10 | 13 | 13 | 13 | 11 | 10 | 12 | 12 | 6 |