| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1978 | 0.00 | z | 0.00 | z | 2.60 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 2.60 | ||
| 1979 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1980 | 0.00 | z | 0.00 | z | 0.00 | z | 2.72 | 2.53 | 0.00 | z | 0.00 | 0.00 | 0.67 | 2.70 | 3.38 | 3.01 | 15.01 | |||||||||
| 1981 | 1.34 | 2.32 | 3.63 | 2.54 | 3.33 | 1.39 | 0.29 | 0.00 | 0.95 | 2.90 | 6.17 | 9.00 | 33.86 | |||||||||||||
| 1982 | 3.37 | 4.53 | 3.51 | 2.02 | 0.32 | 1.10 | 0.43 | 0.29 | 1.65 | 2.61 | 2.43 | 6.58 | 28.84 | |||||||||||||
| 1983 | 1.63 | a | 5.17 | a | 5.00 | 2.20 | 2.49 | 1.15 | 1.20 | 2.93 | 0.73 | 1.63 | 6.28 | 9.05 | 39.46 | |||||||||||
| 1984 | 0.91 | 4.88 | 3.96 | 3.35 | 1.53 | 1.70 | 0.03 | 1.05 | 0.91 | 4.44 | 7.10 | 3.53 | 33.39 | |||||||||||||
| 1985 | 0.46 | 2.50 | 2.20 | 1.54 | 1.71 | 0.71 | 0.11 | 0.20 | 1.67 | 3.02 | 3.28 | 0.93 | 18.33 | |||||||||||||
| 1986 | 2.60 | a | 6.52 | 2.47 | 1.87 | 3.14 | 0.17 | 0.07 | 0.12 | 4.06 | a | 2.10 | 4.50 | 1.02 | b | 28.64 | ||||||||||
| 1987 | 3.93 | 2.73 | 2.85 | 0.45 | b | 1.56 | 0.38 | 4.52 | 0.01 | 0.00 | 0.00 | 3.23 | 4.27 | 23.93 | ||||||||||||
| 1988 | 3.66 | 0.58 | 2.32 | 2.74 | 3.97 | 2.94 | 0.00 | 0.01 | 0.79 | 0.15 | 7.37 | 2.22 | 26.75 | |||||||||||||
| 1989 | 4.26 | 1.75 | 6.83 | 4.08 | 3.23 | 0.63 | 0.00 | 1.51 | 2.09 | 1.43 | 1.53 | 1.24 | 28.58 | |||||||||||||
| 1990 | 4.24 | a | 2.49 | 3.66 | 2.17 | 3.90 | 0.65 | 0.40 | 1.48 | 0.17 | 2.09 | 3.42 | 2.03 | 26.70 | ||||||||||||
| 1991 | 2.46 | 1.54 | 4.44 | 3.14 | 5.44 | 1.27 | 1.57 | b | 0.11 | 0.00 | 1.65 | 4.24 | 2.25 | 28.11 | ||||||||||||
| 1992 | 1.54 | 1.08 | 0.74 | 2.08 | 1.09 | 2.22 | 2.22 | 0.00 | 0.25 | 2.22 | 4.42 | 4.59 | 22.45 | |||||||||||||
| 1993 | 3.47 | 2.62 | 2.83 | 4.07 | 3.32 | a | 3.44 | 1.83 | 1.37 | 0.30 | 1.24 | 1.02 | 2.49 | 28.00 | ||||||||||||
| 1994 | 2.06 | 2.38 | 2.35 | 2.61 | 1.21 | 0.63 | b | 0.00 | 0.00 | 1.07 | 1.35 | 7.41 | 2.58 | 23.65 | ||||||||||||
| 1995 | 2.00 | 1.62 | 3.69 | 5.89 | 3.04 | 4.35 | 2.59 | 0.34 | 0.77 | 1.13 | 1.84 | 0.00 | z | 27.26 | ||||||||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 2.53 | 2.85 | 3.32 | 2.72 | 2.61 | 1.52 | 0.95 | 0.59 | 1.00 | 1.92 | 4.23 | 3.65 | 27.91 | |||||||||||||
| S.D. | 1.24 | 1.68 | 1.38 | 1.24 | 1.32 | 1.22 | 1.30 | 0.85 | 1.02 | 1.11 | 2.10 | 2.64 | 5.26 | |||||||||||||
| SKEW | -0.03 | 0.82 | 0.73 | 0.81 | 0.21 | 1.09 | 1.47 | 1.52 | 1.77 | 0.28 | 0.21 | 1.09 | 0.40 | |||||||||||||
| MAX | 4.26 | 6.52 | 6.83 | 5.89 | 5.44 | 4.35 | 4.52 | 2.93 | 4.06 | 4.44 | 7.41 | 9.05 | 39.46 | |||||||||||||
| MIN | 0.46 | 0.58 | 0.74 | 0.45 | 0.32 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 1.02 | 0.93 | 18.33 | |||||||||||||
| NO YRS | 15 | 15 | 16 | 16 | 16 | 15 | 16 | 16 | 16 | 16 | 16 | 15 | 14 | |||||||||||||