| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1979 | 3.75 | 2.66 | 1.31 | 2.48 | k | 1.83 | 0.00 | z | 0.00 | z | 0.43 | 0.06 | 6.97 | 3.84 | 4.37 | 25.22 | ||||||||||
| 1980 | 4.10 | 3.26 | 2.36 | 2.04 | 0.77 | 0.00 | z | 0.00 | z | 0.00 | 0.08 | 1.25 | 2.31 | 3.42 | 19.59 | |||||||||||
| 1981 | 0.81 | 2.97 | 4.20 | 1.58 | 0.50 | 0.77 | 0.35 | 0.00 | 0.96 | 2.93 | 6.94 | 8.21 | c | 30.22 | ||||||||||||
| 1982 | 3.30 | 5.49 | 3.03 | 2.68 | 0.00 | 1.16 | 0.00 | 0.00 | 1.05 | 2.67 | 3.24 | 6.25 | e | 28.87 | ||||||||||||
| 1983 | 3.40 | g | 7.19 | 6.46 | 1.65 | 0.39 | 0.05 | 0.03 | 1.81 | 0.00 | 1.60 | 6.92 | i | 9.18 | g | 19.18 | ||||||||||
| 1984 | 0.22 | 3.71 | b | 2.44 | 1.65 | 0.80 | 0.39 | 0.06 | 0.52 | 0.71 | 2.38 | 8.88 | 0.00 | z | 21.76 | |||||||||||
| 1985 | 1.22 | 2.10 | 1.73 | 1.10 | 0.67 | 0.25 | 0.55 | 0.12 | 1.05 | 1.55 | 2.22 | 1.92 | 14.48 | |||||||||||||
| 1986 | 3.37 | 7.53 | 2.30 | 0.32 | 1.79 | 0.15 | 0.00 | 0.00 | 3.04 | 0.00 | z | 5.89 | c | 1.60 | 25.99 | |||||||||||
| 1987 | 4.14 | z | 3.58 | a | 2.02 | a | 1.00 | 0.90 | 0.00 | z | 1.35 | 0.00 | 0.00 | 0.00 | 1.67 | 4.87 | 15.39 | |||||||||
| 1988 | 2.77 | h | 0.00 | z | 0.58 | 0.97 | 1.59 | a | 1.39 | a | 0.00 | 0.00 | 0.21 | 0.00 | z | 7.60 | 1.61 | 13.95 | ||||||||
| 1989 | 1.17 | 1.23 | 5.55 | b | 2.63 | 0.57 | a | 0.20 | 0.00 | 1.45 | 1.28 | 1.29 | 0.79 | 0.40 | 16.56 | |||||||||||
| 1990 | 3.46 | l | 2.40 | a | 1.47 | 0.85 | 2.89 | 0.57 | a | 0.04 | 1.21 | 1.05 | 1.20 | 2.80 | 1.16 | a | 15.64 | |||||||||
| 1991 | 0.93 | 2.50 | 4.53 | d | 1.81 | k | 1.14 | a | 0.87 | 0.00 | z | 0.00 | z | 0.00 | 0.50 | 3.25 | a | 2.25 | 15.97 | |||||||
| 1992 | 1.62 | a | 1.29 | 1.46 | 1.81 | 0.00 | z | 1.32 | 0.55 | 0.00 | 0.10 | 2.71 | 1.85 | 6.66 | 19.37 | |||||||||||
| 1993 | 3.61 | 3.19 | 2.30 | 3.42 | 2.69 | 1.60 | 0.76 | 1.17 | 0.04 | 0.76 | 1.30 | 2.51 | 23.35 | |||||||||||||
| 1994 | 3.40 | 2.64 | 0.96 | 0.82 | 0.93 | 0.13 | 0.00 | 0.00 | 0.00 | 0.60 | 7.20 | 1.67 | 18.35 | |||||||||||||
| 1995 | 7.85 | 1.53 | 5.52 | 3.95 | 1.15 | 2.30 | 1.02 | 0.03 | 0.39 | 0.32 | 1.45 | 8.28 | 33.79 | |||||||||||||
| 1996 | 8.36 | 5.25 | 2.08 | 2.44 | 2.62 | 0.24 | 0.09 | 0.00 | 0.78 | 2.86 | 5.02 | 15.88 | 45.62 | |||||||||||||
| 1997 | 7.10 | 1.60 | 2.16 | 2.98 | 1.37 | 1.64 | 0.00 | 0.36 | 0.97 | 3.87 | 4.78 | 2.14 | 28.97 | |||||||||||||
| 1998 | 8.43 | 6.30 | 4.04 | 2.49 | 4.22 | 1.00 | 0.00 | 0.00 | 0.00 | 1.66 | 12.18 | 2.71 | 43.03 | |||||||||||||
| 1999 | 5.95 | 7.89 | 2.26 | 0.72 | 0.44 | 0.00 | 0.00 | 1.66 | 0.00 | 4.94 | 2.60 | 1.87 | 28.33 | |||||||||||||
| 2000 | 8.40 | 4.18 | 1.54 | 4.42 | 0.82 | 0.50 | 0.25 | 0.22 | 0.78 | 1.62 | 1.33 | 1.91 | 25.97 | |||||||||||||
| 2001 | 1.65 | 1.66 | 1.85 | 1.72 | 0.60 | 0.56 | 0.17 | 0.05 | 0.90 | 0.23 | 5.86 | 6.69 | 21.94 | |||||||||||||
| 2002 | 3.41 | 2.31 | 2.26 | 1.95 | 0.68 | 0.00 | 0.09 | 0.00 | 0.05 | 0.05 | 6.41 | 13.69 | 30.90 | |||||||||||||
| 2003 | 2.53 | 2.31 | 4.07 | 4.97 | 0.87 | 0.00 | z | 0.00 | 0.72 | 0.57 | 0.04 | 2.57 | 7.88 | 26.53 | ||||||||||||
| 2004 | 3.60 | 5.53 | 1.95 | 1.41 | 1.31 | 0.34 | 0.00 | 0.35 | 0.34 | 4.08 | 2.12 | 0.00 | z | 21.03 | ||||||||||||
| 2005 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | 0.30 | 0.56 | c | 5.10 | 8.95 | 14.91 | |||||
| 2006 | 7.07 | 1.53 | 3.83 | b | 1.66 | 1.56 | 1.26 | 0.00 | 0.10 | 0.10 | 0.33 | 3.83 | 5.39 | a | 26.66 | |||||||||||
| 2007 | 3.56 | 5.30 | 1.57 | 1.42 | b | 0.00 | 0.17 | 0.98 | 0.35 | 0.77 | 3.08 | a | 0.00 | z | 0.00 | z | 17.20 | |||||||||
| 2008 | 7.29 | 1.95 | 0.00 | z | 1.44 | 1.29 | 0.00 | 0.00 | 0.02 | 0.00 | 0.60 | 2.28 | 3.83 | 18.70 | ||||||||||||
| 2009 | 1.71 | 1.56 | 3.78 | 0.54 | 1.33 | 1.80 | 0.00 | 0.05 | 0.03 | 1.14 | 0.30 | 0.00 | z | 12.24 | ||||||||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 4.02 | 3.47 | 2.75 | 1.95 | 1.23 | 0.72 | 0.23 | 0.35 | 0.50 | 1.79 | 3.99 | 4.85 | 27.80 | |||||||||||||
| S.D. | 2.66 | 2.00 | 1.48 | 1.16 | 0.92 | 0.66 | 0.38 | 0.55 | 0.63 | 1.66 | 2.75 | 3.88 | 8.68 | |||||||||||||
| SKEW | 0.44 | 0.86 | 0.90 | 0.98 | 1.42 | 0.74 | 1.64 | 1.55 | 2.13 | 1.30 | 1.07 | 1.29 | 0.51 | |||||||||||||
| MAX | 8.43 | 7.89 | 6.46 | 4.97 | 4.22 | 2.30 | 1.35 | 1.81 | 3.04 | 6.97 | 12.18 | 15.88 | 45.62 | |||||||||||||
| MIN | 0.22 | 1.23 | 0.58 | 0.32 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.30 | 0.40 | 14.48 | |||||||||||||
| NO YRS | 26 | 29 | 29 | 28 | 29 | 26 | 27 | 30 | 31 | 29 | 29 | 26 | 15 | |||||||||||||