YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1967 | ----- | z | ----- | z | 0.00 | 0.32 | 0.40 | 0.20 | 0.36 | 0.40 | 0.65 | ----- | z | 0.22 | 0.40 | ----- | z | |||||||||
1968 | 0.08 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.30 | 0.63 | 0.00 | 0.20 | 0.00 | 0.05 | ----- | z | |||||||
1969 | 0.45 | 1.09 | c | 0.24 | 0.00 | 0.00 | 0.47 | 1.31 | 0.10 | 0.36 | 0.00 | 0.18 | 0.00 | 1.31 | c | |||||||||||
1970 | 0.00 | 0.35 | 0.27 | 0.12 | 0.00 | 0.11 | 0.36 | 0.65 | 0.07 | 0.00 | 0.51 | 0.40 | 0.65 | |||||||||||||
1971 | 0.30 | 0.00 | 0.00 | 0.14 | 1.26 | 0.00 | 0.66 | 0.22 | 0.09 | 0.18 | 0.13 | ----- | z | ----- | z | |||||||||||
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.50 | 0.66 | 0.12 | a | ----- | z | ||
1987 | 0.00 | c | 0.04 | b | 0.13 | 0.50 | 0.40 | a | 0.25 | 1.12 | 1.37 | 0.00 | 0.50 | ----- | z | 0.25 | ----- | z | ||||||||
1988 | 0.00 | a | 0.18 | 0.48 | 0.60 | 0.46 | 0.12 | ----- | z | ----- | z | 0.25 | ----- | z | 0.00 | 0.90 | ----- | z | ||||||||
1989 | 0.00 | a | 0.00 | b | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1990 | ----- | z | 0.50 | 0.00 | b | 0.20 | 0.12 | 0.90 | 0.20 | 0.00 | 0.44 | ----- | z | 0.00 | 0.00 | ----- | z | |||||||||
1991 | 0.20 | 0.17 | 0.15 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | a | 0.07 | 0.27 | 0.28 | a | 0.36 | ----- | z | |||
1994 | 0.00 | ----- | z | 0.02 | h | ----- | z | 0.20 | 0.00 | 0.00 | 0.00 | 0.35 | 0.10 | 0.16 | c | 0.85 | ----- | z | ||||||||
1995 | 1.02 | 0.15 | 0.55 | 0.81 | ----- | z | 0.20 | 0.55 | 0.00 | 0.00 | 0.01 | 0.00 | 0.20 | ----- | z | |||||||||||
1996 | 0.30 | 0.60 | 0.50 | 0.40 | 0.18 | 0.41 | 0.00 | 0.00 | 0.00 | 0.16 | c | 2.00 | 2.00 | c | 2.00 | f | ||||||||||
1997 | 0.50 | f | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | a | 0.50 | 0.00 | 0.75 | 0.00 | 0.30 | 0.20 | 0.75 | g | ||||||||||
1998 | 0.20 | 1.50 | d | 0.22 | a | 0.15 | 0.04 | 0.97 | 0.60 | ----- | z | ----- | z | 0.67 | h | 0.40 | y | 0.00 | ----- | z | ||||||
1999 | 0.30 | 0.08 | 0.00 | 0.37 | b | 0.10 | 0.11 | 0.40 | b | 0.07 | 0.27 | 0.00 | 0.05 | 0.00 | 0.40 | d | ||||||||||
2000 | 0.25 | d | 0.50 | c | 2.30 | 0.25 | a | 0.04 | ----- | z | ----- | z | 1.00 | 0.15 | a | 0.65 | 0.20 | a | 0.00 | ----- | z | |||||
2001 | 0.25 | e | 1.50 | 0.20 | 0.28 | 0.20 | a | ----- | z | 0.50 | 0.00 | 0.24 | 0.05 | 0.00 | ----- | z | ----- | z | ||||||||
2002 | 0.10 | a | 0.08 | 0.14 | 0.12 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.05 | n | 0.25 | 0.13 | 0.00 | 0.46 | 0.34 | ----- | z | |||||
2004 | ----- | z | ----- | z | ----- | z | 0.37 | e | 0.05 | 0.00 | e | 0.60 | k | 0.40 | 0.00 | e | 0.63 | 0.70 | b | ----- | z | ----- | z | |||
2005 | 1.74 | l | 0.40 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | b | ----- | z | |
2006 | ----- | z | 0.00 | a | 0.00 | b | 0.00 | 0.20 | 0.04 | 0.75 | b | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.22 | 0.40 | 0.29 | 0.26 | 0.21 | 0.25 | 0.51 | 0.28 | 0.20 | 0.20 | 0.33 | 0.34 | 0.79 | |||||||||||||
S.D. | 0.26 | 0.49 | 0.53 | 0.23 | 0.31 | 0.31 | 0.36 | 0.40 | 0.23 | 0.24 | 0.47 | 0.50 | 0.47 | |||||||||||||
SKEW | 1.95 | 1.35 | 3.17 | 0.81 | 2.45 | 1.39 | 0.72 | 1.48 | 1.11 | 0.86 | 2.60 | 2.28 | 0.49 | |||||||||||||
MAX | 1.02 | 1.50 | 2.30 | 0.81 | 1.26 | 0.97 | 1.31 | 1.37 | 0.75 | 0.65 | 2.00 | 2.00 | 1.31 | |||||||||||||
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 | 0.40 | |||||||||||||
YRS | 16 | 18 | 18 | 18 | 17 | 15 | 15 | 18 | 19 | 16 | 18 | 18 | 3 |