| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.06 | 0.06 | 3.09 | 9.27 | 12.48 | g | |||||
| 1978 | 9.01 | 9.71 | 8.50 | 5.55 | 0.00 | 0.00 | 0.00 | 0.00 | 1.52 | 0.00 | 4.37 | 2.47 | 41.13 | |||||||||||||
| 1979 | 8.12 | 6.15 | 5.64 | 0.53 | 0.53 | 0.00 | 0.56 | 0.00 | 0.00 | 1.44 | 3.14 | 2.75 | 28.86 | |||||||||||||
| 1980 | 10.03 | 8.77 | 4.61 | 1.90 | 0.92 | ----- | z | ----- | z | 0.00 | 0.05 | 0.41 | 0.65 | 1.32 | 28.66 | b | ||||||||||
| 1981 | 7.01 | 2.12 | 5.08 | 1.30 | 0.56 | 0.00 | 0.00 | 0.00 | 0.00 | 1.65 | 5.05 | 4.04 | 26.81 | |||||||||||||
| 1982 | 12.39 | 4.30 | 12.29 | 4.88 | x | 0.10 | 1.04 | 0.00 | 0.10 | 2.47 | 3.44 | 12.73 | 8.15 | 57.01 | a | |||||||||||
| 1983 | 6.06 | 7.70 | 10.67 | 4.04 | 0.68 | 0.02 | 0.00 | 0.11 | 0.56 | 1.12 | 7.95 | 6.49 | 45.40 | |||||||||||||
| 1984 | 0.45 | 2.79 | 2.23 | 0.99 | 0.05 | 0.42 | 0.14 | 0.09 | 0.00 | 1.55 | 5.76 | 2.37 | 16.84 | |||||||||||||
| 1985 | 0.87 | 2.78 | 5.05 | 0.70 | 0.00 | 0.22 | 0.00 | 0.05 | 0.53 | 1.04 | 6.60 | 1.44 | 19.28 | |||||||||||||
| 1986 | 2.31 | 11.85 | 7.46 | 0.94 | 0.41 | 0.00 | 0.00 | 0.00 | 1.26 | 0.02 | 0.10 | 0.80 | 25.15 | |||||||||||||
| 1987 | 3.06 | 3.94 | 4.34 | 0.26 | 0.37 | 0.07 | 0.00 | 0.00 | 0.00 | 2.45 | 1.22 | 3.75 | 19.46 | |||||||||||||
| 1988 | 3.65 | 0.52 | 2.23 | 4.27 | 0.94 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 3.62 | 5.03 | 20.36 | |||||||||||||
| 1989 | 1.02 | 2.06 | 4.24 | 0.65 | 0.77 | 0.07 | 0.00 | 0.01 | 1.64 | 1.55 | 1.43 | 0.00 | 13.44 | |||||||||||||
| 1990 | 3.56 | 3.63 | 1.78 | 1.36 | 2.69 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 1.02 | 1.38 | 15.56 | |||||||||||||
| 1991 | 0.98 | 1.74 | 16.19 | 0.05 | 0.28 | 0.06 | 0.00 | 0.00 | 0.02 | 3.30 | 0.85 | 2.95 | 26.42 | |||||||||||||
| 1992 | 2.00 | 6.81 | 4.06 | 0.07 | 0.02 | 0.16 | 1.19 | 0.00 | 0.00 | 2.56 | 0.01 | 6.03 | 22.91 | |||||||||||||
| 1993 | 13.60 | 8.15 | 4.14 | 0.37 | 0.59 | 1.79 | 0.00 | 0.00 | 0.00 | 0.48 | 1.68 | 2.82 | 33.62 | |||||||||||||
| 1994 | 2.49 | 5.86 | 0.47 | 3.19 | 2.41 | 0.00 | 0.00 | 0.00 | 0.14 | 2.08 | 4.06 | 2.78 | 23.48 | |||||||||||||
| 1995 | 14.61 | 1.50 | 14.15 | 3.58 | 2.78 | 0.93 | 0.04 | 0.00 | 0.00 | 0.00 | 0.08 | 6.71 | 44.38 | |||||||||||||
| 1996 | 4.61 | 7.99 | 3.94 | 2.77 | 1.32 | 0.05 | ----- | z | 0.25 | ----- | z | 3.08 | 8.86 | 12.78 | 45.65 | b | ||||||||||
| 1997 | 11.62 | 0.17 | 0.04 | 0.04 | 0.00 | 0.29 | ----- | z | 0.00 | 0.09 | 0.12 | 3.01 | 2.44 | 17.82 | a | |||||||||||
| 1998 | 7.64 | 9.96 | 4.97 | 3.64 | 3.68 | 0.40 | 0.02 | 0.00 | 0.16 | 0.08 | 1.68 | 1.06 | 33.29 | |||||||||||||
| 1999 | 5.40 | 5.15 | 1.82 | 3.10 | 0.28 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 2.04 | 0.00 | 17.83 | |||||||||||||
| 2000 | 7.43 | 14.49 | 2.12 | 0.60 | 0.52 | 0.75 | 0.00 | 0.00 | 0.69 | 3.14 | 0.37 | 0.49 | 30.60 | |||||||||||||
| 2001 | 5.76 | 7.68 | a | 3.70 | 2.05 | 0.00 | 0.00 | 0.49 | 0.00 | 0.04 | 0.86 | 4.65 | 8.65 | 33.88 | ||||||||||||
| 2002 | 1.92 | 1.65 | 4.16 | 0.91 | 1.12 | 0.00 | 0.00 | ----- | z | ----- | z | 0.00 | 4.70 | 6.98 | 21.44 | b | ||||||||||
| 2003 | ----- | z | 3.41 | 1.02 | 3.14 | 2.19 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 1.03 | 7.02 | 17.87 | a | |||||||||||
| 2004 | 2.53 | 5.63 | 1.12 | 0.25 | 0.31 | 0.00 | ----- | z | ----- | z | 0.15 | 3.90 | 2.30 | 6.76 | 22.95 | b | ||||||||||
| 2005 | 7.42 | 4.88 | 5.72 | 1.39 | 4.30 | 0.00 | 0.00 | 0.11 | 0.22 | 0.10 | 0.42 | 6.95 | 31.51 | |||||||||||||
| 2006 | 5.92 | 2.02 | 8.78 | c | 7.45 | a | ----- | z | ----- | z | 0.00 | 0.00 | 0.00 | 0.54 | 0.91 | ----- | z | 25.62 | c | |||||||
| 2007 | 1.20 | 5.61 | 1.11 | 1.04 | 0.45 | 0.00 | 0.00 | ----- | z | 0.05 | ----- | z | ----- | z | 4.98 | 14.44 | c | |||||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 5.61 | 5.30 | 5.05 | 1.94 | 0.97 | 0.23 | 0.09 | 0.03 | 0.34 | 1.17 | 3.11 | 4.29 | 27.15 | |||||||||||||
| S.D. | 4.06 | 3.49 | 4.02 | 1.84 | 1.16 | 0.42 | 0.27 | 0.06 | 0.62 | 1.27 | 2.99 | 3.17 | 9.23 | |||||||||||||
| SKEW | 0.64 | 0.67 | 1.21 | 1.20 | 1.49 | 2.36 | 3.19 | 2.56 | 2.15 | 0.75 | 1.41 | 0.64 | 0.48 | |||||||||||||
| MAX | 14.61 | 14.49 | 16.19 | 7.45 | 4.30 | 1.79 | 1.19 | 0.25 | 2.47 | 3.90 | 12.73 | 12.78 | 45.40 | |||||||||||||
| MIN | 0.45 | 0.17 | 0.04 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 13.44 | |||||||||||||
| YRS | 29 | 30 | 30 | 29 | 29 | 28 | 26 | 28 | 29 | 30 | 30 | 30 | 21 | |||||||||||||