| 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 | 1.78 | 3.46 | ----- | z | |||||
| 1978 | 2.19 | 3.29 | 1.65 | 1.94 | 0.00 | 0.00 | 0.00 | 0.00 | 0.90 | 0.00 | 2.05 | 0.86 | 3.29 | |||||||||||||
| 1979 | 1.83 | 1.30 | 1.48 | 0.30 | 0.41 | 0.00 | 0.56 | 0.00 | 0.00 | 0.92 | 1.12 | 0.70 | 1.83 | |||||||||||||
| 1980 | 2.23 | 3.02 | 1.48 | 0.85 | 0.80 | ----- | z | ----- | z | 0.00 | 0.05 | 0.20 | 0.38 | 0.76 | ----- | z | ||||||||||
| 1981 | 1.90 | 0.70 | 1.33 | 0.80 | 0.56 | 0.00 | 0.00 | 0.00 | 0.00 | 0.39 | 1.69 | 1.40 | 1.90 | |||||||||||||
| 1982 | 3.90 | 2.58 | 2.20 | 2.32 | x | 0.10 | 0.78 | 0.00 | 0.10 | 2.11 | 1.55 | 3.90 | 5.10 | 5.10 | x | |||||||||||
| 1983 | 2.30 | 2.00 | 1.45 | 0.88 | 0.23 | 0.02 | 0.00 | 0.06 | 0.50 | 0.75 | 2.08 | 2.85 | 2.85 | |||||||||||||
| 1984 | 0.25 | 0.95 | 1.36 | 0.33 | 0.03 | 0.42 | 0.14 | 0.07 | 0.00 | 0.92 | 1.30 | 0.95 | 1.36 | |||||||||||||
| 1985 | 0.64 | 1.75 | 1.43 | 0.58 | 0.00 | 0.22 | 0.00 | 0.05 | 0.17 | 0.55 | 2.28 | 0.45 | 2.28 | |||||||||||||
| 1986 | 1.08 | 2.20 | 1.88 | 0.33 | 0.41 | 0.00 | 0.00 | 0.00 | 0.80 | 0.02 | 0.10 | 0.40 | 2.20 | |||||||||||||
| 1987 | 2.24 | 2.64 | 1.50 | 0.20 | 0.20 | 0.04 | 0.00 | 0.00 | 0.00 | 1.11 | 0.44 | 0.65 | 2.64 | |||||||||||||
| 1988 | 1.16 | 0.46 | 1.31 | 1.95 | 0.53 | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 | 1.43 | 1.10 | 1.95 | |||||||||||||
| 1989 | 1.00 | 0.90 | 1.55 | 0.36 | 0.65 | 0.07 | 0.00 | 0.01 | 1.12 | 0.64 | 1.43 | 0.00 | 1.55 | |||||||||||||
| 1990 | 1.10 | 1.49 | 0.60 | 0.62 | 2.01 | 0.00 | 0.00 | 0.00 | 0.06 | 0.00 | 0.65 | 0.52 | 2.01 | |||||||||||||
| 1991 | 0.91 | 0.95 | 2.27 | 0.03 | 0.22 | 0.05 | 0.00 | 0.00 | 0.02 | 2.14 | 0.81 | 0.97 | 2.27 | |||||||||||||
| 1992 | 1.10 | 1.34 | 0.98 | 0.07 | 0.02 | 0.12 | 1.09 | 0.00 | 0.00 | 1.61 | 0.01 | 1.73 | 1.73 | |||||||||||||
| 1993 | 3.94 | 1.53 | 1.65 | 0.33 | 0.38 | 0.79 | 0.00 | 0.00 | 0.00 | 0.27 | 0.84 | 1.65 | 3.94 | |||||||||||||
| 1994 | 1.22 | 1.85 | 0.29 | 1.53 | 1.28 | 0.00 | 0.00 | 0.00 | 0.10 | 1.68 | 1.11 | 1.54 | 1.85 | |||||||||||||
| 1995 | 3.00 | 1.27 | 4.56 | 1.52 | 0.79 | 0.89 | 0.04 | 0.00 | 0.00 | 0.00 | 0.08 | 2.66 | 4.56 | |||||||||||||
| 1996 | 1.50 | 2.00 | 1.04 | 1.11 | 1.32 | 0.05 | ----- | z | 0.25 | ----- | z | 1.93 | 3.13 | 2.87 | ----- | z | ||||||||||
| 1997 | 2.16 | 0.07 | 0.02 | 0.04 | 0.00 | 0.16 | ----- | z | 0.00 | 0.07 | 0.10 | 0.78 | 1.43 | ----- | z | |||||||||||
| 1998 | 1.31 | 1.46 | 2.50 | 1.05 | 0.76 | 0.33 | 0.02 | 0.00 | 0.14 | 0.08 | 0.50 | 0.54 | 2.50 | |||||||||||||
| 1999 | 1.11 | 1.30 | 0.66 | 1.00 | 0.22 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 1.38 | 0.00 | 1.38 | |||||||||||||
| 2000 | 2.32 | 2.90 | 1.10 | 0.42 | 0.30 | 0.45 | 0.00 | 0.00 | 0.50 | 1.27 | 0.23 | 0.42 | 2.90 | |||||||||||||
| 2001 | 2.36 | 2.30 | a | 1.90 | 1.00 | 0.00 | 0.00 | 0.26 | 0.00 | 0.04 | 0.63 | 1.62 | 2.40 | 2.40 | a | |||||||||||
| 2002 | 1.04 | 0.64 | 2.60 | 0.48 | 0.73 | 0.00 | 0.00 | ----- | z | ----- | z | 0.00 | 2.93 | 1.69 | ----- | z | ||||||||||
| 2003 | ----- | z | 1.35 | 0.93 | 0.68 | 0.97 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.42 | 1.38 | ----- | z | |||||||||||
| 2004 | 1.34 | 1.84 | 0.67 | 0.20 | 0.31 | 0.00 | ----- | z | ----- | z | 0.15 | 1.93 | 1.01 | 3.02 | ----- | z | ||||||||||
| 2005 | 1.23 | 1.60 | 1.67 | 0.65 | 1.89 | 0.00 | 0.00 | 0.11 | 0.22 | 0.05 | 0.31 | 1.75 | 1.89 | |||||||||||||
| 2006 | 2.14 | 1.10 | 1.22 | c | 1.56 | a | ----- | z | ----- | z | 0.00 | 0.00 | 0.00 | 0.33 | 0.91 | ----- | z | ----- | z | |||||||
| 2007 | 0.80 | 1.42 | 0.70 | 0.53 | 0.42 | 0.00 | 0.00 | ----- | z | 0.05 | ----- | z | ----- | z | 2.50 | ----- | z | |||||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 1.70 | 1.61 | 1.47 | 0.74 | 0.54 | 0.16 | 0.08 | 0.02 | 0.24 | 0.64 | 1.22 | 1.53 | 2.35 | |||||||||||||
| S.D. | 0.89 | 0.77 | 0.84 | 0.55 | 0.54 | 0.27 | 0.24 | 0.05 | 0.47 | 0.70 | 0.95 | 1.16 | 0.81 | |||||||||||||
| SKEW | 0.93 | 0.34 | 1.52 | 0.78 | 1.32 | 1.74 | 3.41 | 2.93 | 2.67 | 0.82 | 1.01 | 1.09 | 1.24 | |||||||||||||
| MAX | 3.94 | 3.29 | 4.56 | 1.95 | 2.01 | 0.89 | 1.09 | 0.25 | 2.11 | 2.14 | 3.90 | 5.10 | 4.56 | |||||||||||||
| MIN | 0.25 | 0.07 | 0.02 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 1.36 | |||||||||||||
| YRS | 29 | 30 | 30 | 29 | 29 | 28 | 26 | 28 | 29 | 30 | 30 | 30 | 21 | |||||||||||||