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 | 5.06 | 4.18 | 18.74 | 25.10 | 31.81 | 37.70 | 40.03 | 43.52 | 35.52 | a | 24.55 | 12.70 | 5.81 | 23.73 | ||||||||||||
1995 | 4.35 | 14.71 | 18.71 | 22.00 | 29.52 | 33.97 | 38.74 | 44.52 | 35.00 | 22.00 | 16.20 | 9.94 | 24.14 | |||||||||||||
1996 | 6.55 | 14.41 | 16.84 | 23.73 | 32.16 | 38.47 | 43.97 | 41.55 | 33.14 | a | 24.50 | a | 13.67 | 7.39 | 24.70 | |||||||||||
1997 | 4.53 | a | 6.61 | 15.39 | 22.07 | 31.16 | 36.07 | 40.55 | 42.45 | 37.93 | 23.35 | 15.00 | 2.94 | 23.17 | ||||||||||||
1998 | 5.13 | a | 5.29 | 13.03 | b | 20.83 | 29.32 | 33.20 | 47.43 | a | 42.07 | a | 35.87 | 27.03 | a | 16.20 | 6.43 | a | 23.49 | |||||||
1999 | 11.94 | 11.96 | 20.19 | 21.13 | 29.32 | 34.73 | 47.06 | 44.52 | 32.69 | a | 21.71 | 13.40 | 5.35 | 24.50 | ||||||||||||
2000 | 11.13 | a | 13.03 | 16.33 | a | 24.87 | 31.90 | 37.87 | 42.87 | 43.94 | 35.63 | 27.19 | 7.86 | b | 8.26 | 25.07 | ||||||||||
2001 | 1.47 | a | 7.14 | 16.10 | 25.23 | 31.81 | 36.10 | 44.48 | 42.87 | 32.93 | 24.81 | 15.70 | 1.16 | 23.32 | ||||||||||||
2002 | 6.10 | a | 4.71 | 12.30 | a | 26.17 | 28.55 | 38.13 | 44.06 | 39.48 | 35.97 | 24.19 | 14.50 | 2.81 | 23.08 | |||||||||||
2003 | 10.30 | a | 8.79 | 16.77 | 23.24 | a | 32.31 | b | 34.55 | a | 44.23 | 43.97 | 31.50 | 28.23 | 15.47 | 6.10 | 24.62 | |||||||||
2004 | 0.74 | 3.66 | 18.61 | 26.80 | 29.00 | 34.87 | 41.39 | 37.68 | 31.83 | 26.06 | 16.87 | 5.45 | 22.75 | |||||||||||||
2005 | 7.16 | 8.96 | 15.26 | 22.03 | 30.19 | 33.97 | a | 40.87 | a | 40.48 | 34.70 | 28.39 | 17.07 | 7.29 | 23.86 | |||||||||||
2006 | 6.97 | 7.36 | 15.90 | 24.17 | 28.87 | 36.30 | 46.58 | 44.94 | ----- | z | ----- | z | ----- | z | ----- | z | 26.39 | d | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 6.26 | 8.52 | 16.48 | 23.64 | 30.46 | 35.84 | 43.25 | 42.46 | 34.39 | 25.17 | 14.55 | 5.74 | 23.87 | |||||||||||||
S.D. | 3.37 | 3.87 | 2.26 | 1.93 | 1.43 | 1.78 | 2.80 | 2.18 | 1.95 | 2.24 | 2.52 | 2.47 | 0.74 | |||||||||||||
SKEW | 0.16 | 0.41 | -0.25 | 0.07 | 0.06 | 0.14 | 0.02 | -0.87 | 0.05 | -0.03 | -1.60 | -0.29 | 0.13 | |||||||||||||
MAX | 11.94 | 14.71 | 20.19 | 26.80 | 32.31 | 38.47 | 47.43 | 44.94 | 37.93 | 28.39 | 17.07 | 9.94 | 25.07 | |||||||||||||
MIN | 0.74 | 3.66 | 12.30 | 20.83 | 28.55 | 33.20 | 38.74 | 37.68 | 31.50 | 21.71 | 7.86 | 1.16 | 22.75 | |||||||||||||
YRS | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 |