YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.00 | 0.45 | 0.14 | 0.03 | 0.00 | 0.03 | ----- | z | |||||||
1972 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.02 | 0.00 | 0.53 | 0.23 | 0.08 | 0.53 | |||||||||||||
1973 | 0.13 | 0.22 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.21 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | |||||||||||||
1974 | 1.30 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 0.04 | 0.03 | 0.00 | 0.04 | 1.30 | |||||||||||||
1975 | 0.00 | 0.00 | 0.02 | 0.45 | 0.00 | 0.00 | 0.75 | 0.00 | 0.82 | 0.03 | 0.25 | 0.08 | 0.82 | |||||||||||||
1976 | 0.00 | 1.10 | 0.20 | 0.20 | 0.07 | 0.00 | 0.10 | 0.00 | 2.16 | 0.00 | 0.42 | 0.10 | 2.16 | |||||||||||||
1977 | 0.09 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 3.01 | 0.00 | 0.60 | 0.00 | 0.90 | 3.01 | |||||||||||||
1978 | 0.38 | 0.45 | 0.12 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.03 | 0.85 | 0.76 | 0.85 | |||||||||||||
1979 | 0.91 | 0.16 | 0.04 | 0.00 | 0.35 | 0.00 | 0.45 | 0.28 | 0.00 | 0.00 | 0.00 | 0.12 | 0.91 | |||||||||||||
1980 | 1.10 | c | 0.62 | a | 0.77 | 0.05 | 1.00 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | |||||||
1981 | 0.40 | 0.38 | 0.92 | 0.00 | 0.11 | 0.00 | 0.06 | 0.14 | 0.00 | 0.00 | 0.70 | 0.00 | 0.92 | |||||||||||||
1982 | 0.64 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | 0.01 | 0.14 | 1.47 | 0.00 | 0.10 | 3.40 | a | ----- | z | |||||||
1983 | 0.21 | 1.88 | 1.74 | 0.00 | 0.00 | 0.00 | 0.13 | 0.27 | 0.25 | 0.05 | 0.01 | 0.30 | 1.88 | |||||||||||||
1984 | 0.12 | b | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 1.40 | 0.20 | 0.23 | 0.00 | 0.40 | 0.96 | 1.40 | b | |||||||||||
1985 | 0.03 | 0.12 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.15 | 0.54 | 1.10 | 1.28 | 1.28 | |||||||||||||
1986 | 0.17 | 0.75 | 0.19 | 0.04 | 0.00 | 0.00 | 0.39 | 0.00 | 0.00 | 1.17 | 0.10 | 0.24 | 1.17 | |||||||||||||
1987 | 0.20 | 0.42 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.36 | 0.16 | 0.80 | 0.23 | 0.41 | 0.80 | |||||||||||||
1988 | 0.34 | 1.18 | 0.02 | 0.00 | 0.00 | 0.60 | 0.00 | 1.07 | 0.00 | 0.07 | 0.00 | 0.00 | 1.18 | |||||||||||||
1989 | 0.46 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.27 | 0.19 | 0.00 | 0.03 | 0.00 | 0.00 | 0.46 | |||||||||||||
1990 | 0.09 | 0.00 | 0.01 | 0.22 | 0.00 | 0.95 | 0.90 | 0.00 | 0.00 | 0.15 | 0.00 | 0.00 | 0.95 | |||||||||||||
1991 | 0.23 | 0.62 | 0.71 | 0.00 | 0.00 | 0.00 | 3.10 | 2.11 | 0.17 | 0.00 | 0.15 | 1.21 | 3.10 | |||||||||||||
1992 | 0.09 | 0.52 | 0.52 | 0.11 | 0.05 | 0.00 | 0.00 | 0.27 | 0.00 | 1.15 | 0.00 | 0.82 | 1.15 | |||||||||||||
1993 | 1.02 | 0.67 | 0.00 | 0.00 | 0.05 | 0.00 | 0.00 | 0.54 | 0.00 | 0.00 | 0.62 | 0.00 | 1.02 | |||||||||||||
1994 | 0.38 | 0.20 | 0.30 | 0.00 | 0.15 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 0.46 | 0.28 | 0.46 | |||||||||||||
1995 | 0.62 | 0.14 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.48 | 0.00 | 0.00 | 0.00 | 0.11 | 0.62 | |||||||||||||
1996 | 0.00 | 0.35 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.00 | 0.01 | 0.35 | |||||||||||||
1997 | 0.20 | 0.02 | 0.00 | 0.04 | 0.00 | 0.09 | 0.63 | 0.00 | 1.68 | 0.00 | 0.08 | 0.70 | 1.68 | |||||||||||||
1998 | 0.36 | 0.35 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.16 | 0.15 | 0.00 | 0.00 | 0.24 | 0.36 | |||||||||||||
1999 | 0.00 | 0.24 | 0.00 | 0.08 | 0.00 | 0.00 | 0.13 | 0.00 | 0.19 | 0.00 | 0.00 | 0.00 | 0.24 | |||||||||||||
2000 | 0.00 | 0.37 | 0.06 | 0.00 | 0.00 | 0.15 | 0.00 | 0.53 | 0.01 | 0.35 | 0.01 | 0.00 | 0.53 | |||||||||||||
2001 | 0.05 | 1.14 | 0.43 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.14 | |||||||||||||
2002 | 0.11 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
2003 | 0.07 | 0.41 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.30 | 0.38 | 0.23 | 0.05 | 0.06 | 0.07 | 0.27 | 0.34 | 0.26 | 0.19 | 0.18 | 0.40 | 1.09 | |||||||||||||
S.D. | 0.35 | 0.44 | 0.39 | 0.10 | 0.19 | 0.20 | 0.62 | 0.65 | 0.55 | 0.34 | 0.29 | 0.69 | 0.73 | |||||||||||||
SKEW | 1.44 | 1.58 | 2.50 | 2.79 | 4.19 | 3.41 | 3.42 | 3.04 | 2.48 | 1.87 | 1.70 | 2.96 | 1.35 | |||||||||||||
MAX | 1.30 | 1.88 | 1.74 | 0.45 | 1.00 | 0.95 | 3.10 | 3.01 | 2.16 | 1.17 | 1.10 | 3.40 | 3.10 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | |||||||||||||
YRS | 32 | 32 | 29 | 29 | 29 | 30 | 31 | 31 | 30 | 30 | 31 | 30 | 28 |