YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.70 | 0.45 | 0.03 | a | ----- | z | ||
1979 | 0.49 | 0.65 | 0.00 | 0.03 | 0.69 | 0.25 | 1.40 | 0.93 | 0.26 | 0.00 | 0.00 | 0.49 | 1.40 | |||||||||||||
1980 | 0.44 | 0.17 | 0.03 | 0.00 | 0.31 | 0.16 | 0.12 | 0.51 | 0.83 | 0.13 | 0.18 | 0.19 | 0.83 | |||||||||||||
1981 | 0.19 | 0.28 | 0.08 | 0.55 | 0.47 | 1.20 | 0.63 | 1.19 | 0.50 | 0.08 | 0.02 | 0.03 | 1.20 | |||||||||||||
1982 | 0.08 | 0.20 | 0.00 | 0.42 | 0.48 | 0.43 | 0.42 | 0.24 | 0.88 | 0.05 | 0.46 | 0.53 | 0.88 | |||||||||||||
1983 | 0.34 | 0.22 | 0.20 | 0.38 | 0.05 | 0.33 | 0.50 | 0.40 | 0.55 | 0.53 | 0.57 | 0.10 | 0.57 | |||||||||||||
1984 | 0.40 | 0.00 | 0.05 | 0.00 | 0.24 | 0.40 | 0.44 | 0.66 | 0.34 | 0.69 | 0.66 | 0.28 | 0.69 | |||||||||||||
1985 | 0.15 | b | 0.31 | t | 0.66 | 0.10 | 0.19 | 0.29 | 0.26 | 1.05 | 0.68 | 0.63 | 0.30 | 0.00 | 1.05 | v | ||||||||||
1986 | 0.05 | 0.11 | 0.09 | 0.00 | 0.36 | 0.62 | 0.46 | 1.37 | 0.46 | 0.70 | 1.00 | 0.73 | a | 1.37 | a | |||||||||||
1987 | 0.15 | 0.14 | 0.18 | 0.10 | 1.36 | 0.67 | 0.70 | 0.82 | 0.54 | 0.24 | 0.83 | 0.39 | 1.36 | |||||||||||||
1988 | 0.00 | k | 0.11 | 0.08 | 0.62 | 0.05 | 0.12 | 0.57 | 1.28 | 0.30 | 0.12 | 0.00 | 0.04 | 1.28 | k | |||||||||||
1989 | 0.05 | 0.80 | 0.02 | 0.35 | 0.76 | 0.14 | 0.48 | 0.98 | 1.78 | 0.02 | 0.00 | 0.15 | 1.78 | |||||||||||||
1990 | 0.02 | 0.02 | 0.26 | 0.11 | 0.17 | 0.06 | 0.45 | 0.49 | 1.25 | 0.72 | 0.20 | 0.09 | 1.25 | |||||||||||||
1991 | 0.27 | a | 0.15 | 0.27 | 0.00 | 0.06 | 0.23 | 0.13 | 0.31 | 1.12 | 0.01 | 0.28 | 0.78 | b | 1.12 | c | ||||||||||
1992 | 0.30 | 0.09 | 0.14 | 0.24 | 1.25 | b | 0.40 | 0.40 | 0.22 | 0.99 | 0.31 | 0.27 | 0.05 | 1.25 | b | |||||||||||
1993 | 0.55 | a | 0.25 | 0.00 | 0.21 | 0.58 | 0.25 | 1.29 | t | 0.90 | 0.55 | 0.50 | a | 0.21 | 0.15 | 1.29 | v | |||||||||
1994 | 0.00 | 0.07 | x | 0.05 | 0.50 | 0.44 | 0.14 | x | 0.28 | x | 0.38 | ----- | z | 0.13 | o | 1.12 | y | ----- | z | ----- | z | |||||
1995 | ----- | z | 0.50 | a | ----- | z | 0.00 | ----- | z | ----- | z | 0.10 | 0.55 | 0.90 | a | 0.05 | 0.10 | 0.05 | ----- | z | ||||||
1996 | 0.00 | a | 0.00 | 0.00 | 0.60 | a | 0.00 | 2.40 | a | 0.90 | 1.50 | 0.65 | 0.20 | 0.45 | 0.00 | 2.40 | c | |||||||||
1997 | 0.05 | 0.65 | 0.15 | 0.20 | 0.75 | j | 0.92 | 0.30 | f | ----- | z | 0.65 | ----- | z | 0.30 | ----- | z | ----- | z | |||||||
1998 | 0.00 | 0.00 | 0.15 | 0.00 | ----- | z | 0.20 | 1.00 | 2.30 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.20 | 0.24 | 0.13 | 0.22 | 0.44 | 0.50 | 0.53 | 0.85 | 0.73 | 0.32 | 0.33 | 0.23 | 1.24 | |||||||||||||
S.D. | 0.18 | 0.25 | 0.16 | 0.22 | 0.40 | 0.56 | 0.33 | 0.53 | 0.38 | 0.28 | 0.28 | 0.25 | 0.48 | |||||||||||||
SKEW | 0.56 | 1.09 | 2.22 | 0.56 | 1.09 | 2.41 | 1.03 | 1.05 | 1.16 | 0.35 | 0.81 | 1.09 | 0.91 | |||||||||||||
MAX | 0.55 | 0.80 | 0.66 | 0.62 | 1.36 | 2.40 | 1.40 | 2.30 | 1.78 | 0.72 | 1.00 | 0.78 | 2.40 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.10 | 0.22 | 0.26 | 0.00 | 0.00 | 0.00 | 0.57 | |||||||||||||
YRS | 18 | 18 | 19 | 20 | 17 | 18 | 17 | 19 | 18 | 18 | 19 | 18 | 13 |