| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1980 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1.24 | 1.31 | 0.18 | 0.00 | 0.60 | 0.72 | 0.29 | 0.82 | 5.16 | |||||||||
| 1981 | 0.83 | 1.05 | 1.13 | 0.54 | 1.40 | 0.45 | 0.20 | 0.00 | 1.05 | 0.48 | 2.33 | 3.98 | 13.44 | |||||||||||||
| 1982 | 0.80 | 0.53 | 0.43 | 0.53 | 0.26 | b | 2.93 | 1.02 | 0.84 | 1.45 | 1.00 | 0.48 | 1.55 | 11.82 | ||||||||||||
| 1983 | 1.13 | f | 1.34 | 1.76 | 0.60 | 0.86 | 0.49 | 0.99 | 0.65 | 0.22 | 1.01 | 1.23 | 3.48 | 12.63 | ||||||||||||
| 1984 | 0.22 | 0.92 | 1.25 | 0.84 | 0.15 | 1.13 | 0.10 | 0.38 | 0.47 | 1.23 | 3.05 | 0.53 | e | 10.27 | ||||||||||||
| 1985 | 0.17 | 0.23 | 0.37 | 0.25 | 0.69 | 0.50 | 0.04 | 0.22 | 1.26 | 0.40 | 0.80 | 1.02 | b | 5.95 | ||||||||||||
| 1986 | 1.66 | 2.22 | 0.49 | 0.00 | 0.41 | 0.10 | 0.53 | 0.07 | 1.24 | 0.57 | 0.75 | d | 0.62 | 8.66 | ||||||||||||
| 1987 | 0.96 | a | 0.88 | 1.37 | 0.54 | 1.25 | 0.27 | 3.82 | 0.08 | 0.00 | 0.00 | 0.47 | 2.17 | 11.81 | ||||||||||||
| 1988 | 0.99 | b | 0.32 | 0.49 | 1.43 | 0.39 | 1.30 | b | 0.00 | 0.34 | 0.14 | 0.00 | 2.26 | 0.35 | 8.01 | |||||||||||
| 1989 | 1.54 | 0.35 | a | 1.77 | 1.59 | 0.80 | 0.20 | d | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 6.25 | |||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 0.90 | 0.87 | 1.01 | 0.70 | 0.75 | 0.87 | 0.76 | 0.29 | 0.71 | 0.60 | 1.30 | 1.61 | 9.99 | |||||||||||||
| S.D. | 0.54 | 0.63 | 0.57 | 0.52 | 0.44 | 0.85 | 1.21 | 0.30 | 0.55 | 0.44 | 1.00 | 1.33 | 2.60 | |||||||||||||
| SKEW | 0.02 | 1.03 | 0.15 | 0.61 | 0.17 | 1.47 | 2.02 | 0.76 | 0.04 | -0.10 | 0.66 | 0.84 | -0.24 | |||||||||||||
| MAX | 1.66 | 2.22 | 1.77 | 1.59 | 1.40 | 2.93 | 3.82 | 0.84 | 1.45 | 1.23 | 3.05 | 3.98 | 13.44 | |||||||||||||
| MIN | 0.17 | 0.23 | 0.37 | 0.00 | 0.15 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.29 | 0.35 | 5.95 | |||||||||||||
| NO YRS | 8 | 9 | 9 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 7 | |||||||||||||