YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.10 | a | 0.55 | ----- | z | |
1964 | 0.40 | 2.50 | 0.80 | 0.60 | 1.50 | 3.19 | 0.60 | 3.10 | 1.45 | 0.50 | 0.60 | b | 0.20 | d | 3.19 | f | ||||||||||
1965 | 0.20 | 0.10 | ----- | z | 0.60 | 1.25 | 1.15 | 1.55 | 0.65 | 1.37 | 0.96 | 0.56 | 0.25 | ----- | z | |||||||||||
1966 | 0.50 | 0.25 | 1.00 | b | 1.20 | 0.80 | 0.87 | 1.20 | 2.77 | 0.75 | 0.25 | 0.31 | 0.42 | 2.77 | b | |||||||||||
1967 | 0.31 | ----- | z | 0.55 | 1.32 | 0.78 | 1.53 | 0.45 | 0.55 | 0.45 | 0.33 | 0.20 | 1.00 | ----- | z | |||||||||||
1968 | 0.20 | 0.08 | 0.42 | 0.73 | 0.43 | 3.41 | 3.80 | 1.83 | 0.73 | 0.61 | 0.17 | 0.10 | 3.80 | |||||||||||||
1969 | 0.70 | 0.25 | 0.00 | 0.74 | 1.85 | 0.42 | 0.94 | 0.70 | 0.55 | 0.46 | 0.06 | 0.15 | 1.85 | |||||||||||||
1970 | 0.21 | 0.31 | 0.50 | 0.86 | 1.17 | 1.62 | 1.54 | 1.22 | 1.27 | 0.78 | 0.25 | 0.21 | 1.62 | |||||||||||||
1971 | 0.32 | 0.08 | 0.31 | 0.16 | 0.82 | 0.60 | 1.28 | 0.47 | 1.27 | 1.20 | 0.18 | 0.21 | 1.28 | |||||||||||||
1972 | 0.24 | 0.24 | 0.16 | 0.67 | 1.60 | 1.10 | 0.90 | 0.33 | 0.95 | 0.43 | 0.48 | 0.66 | 1.60 | |||||||||||||
1973 | 0.07 | 0.07 | 0.27 | 0.69 | 0.79 | 0.65 | 2.10 | 0.82 | 2.72 | 0.55 | 0.75 | 0.49 | 2.72 | |||||||||||||
1974 | 0.41 | 0.20 | 0.10 | 1.31 | 1.29 | 0.48 | 4.10 | 1.60 | 0.50 | 0.76 | 0.28 | 0.36 | 4.10 | |||||||||||||
1975 | ----- | z | ----- | z | ----- | z | ----- | z | 0.60 | 3.07 | 1.05 | 0.37 | b | 0.55 | 0.50 | 0.55 | 0.35 | ----- | z | |||||||
1976 | 0.06 | 0.48 | 0.95 | 0.46 | 0.13 | 1.31 | 0.68 | 1.35 | 0.20 | 0.32 | 0.00 | 0.05 | 1.35 | |||||||||||||
1977 | 0.01 | d | ----- | z | 0.33 | 0.15 | 0.75 | 2.54 | 1.21 | 0.64 | 1.06 | ----- | z | ----- | z | ----- | z | ----- | z | |||||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | 0.27 | 0.49 | 0.48 | 1.70 | 0.54 | 0.72 | 1.31 | 1.20 | 0.64 | 0.80 | 0.12 | 0.20 | 1.70 | |||||||||||||
1980 | 0.21 | 0.15 | 0.20 | 0.15 | 0.27 | 0.50 | 0.61 | 0.54 | 0.61 | 0.58 | 0.54 | 0.08 | 0.61 | |||||||||||||
1981 | 0.04 | 0.05 | 0.35 | 0.50 | 1.32 | 1.77 | 0.50 | 1.33 | 2.30 | 0.40 | 0.59 | 0.30 | b | 2.30 | b | |||||||||||
1982 | 0.37 | 0.08 | a | 0.11 | 0.50 | 0.25 | 0.95 | 3.80 | 0.67 | 2.01 | 0.92 | 0.36 | 0.30 | 3.80 | a | |||||||||||
1983 | 0.17 | e | ----- | z | ----- | z | 0.44 | 0.72 | 2.20 | 0.49 | 2.15 | 1.00 | 0.86 | 0.70 | 0.08 | ----- | z | |||||||||
1984 | 0.08 | a | 0.74 | 0.90 | 0.60 | 0.55 | 1.36 | 0.76 | 0.61 | 0.15 | 1.62 | a | 0.33 | ----- | z | ----- | z | |||||||||
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.90 | 0.55 | 0.16 | ----- | z | |||
1986 | 0.20 | 0.20 | 0.11 | 0.83 | 0.90 | 0.65 | 0.95 | 0.73 | 0.56 | 0.34 | 1.01 | 0.10 | 1.01 | |||||||||||||
1987 | 0.37 | 0.30 | 0.18 | 0.05 | 2.12 | 0.46 | 2.30 | 0.56 | 0.33 | 0.16 | 0.55 | 0.26 | 2.30 | |||||||||||||
1988 | 0.04 | a | 0.05 | 0.72 | 0.00 | 0.88 | ----- | z | ----- | z | 0.78 | 1.46 | 0.26 | ----- | z | ----- | z | ----- | z | |||||||
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.92 | 2.46 | 0.30 | 0.60 | 0.10 | 0.11 | 0.41 | ----- | z | |||||||
1991 | 0.25 | 0.18 | 0.24 | 0.96 | 1.82 | ----- | z | 1.38 | 1.41 | 2.12 | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.22 | w | ----- | z | 1.63 | w | ----- | z | ----- | z | ----- | z |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2009 | ----- | z | 0.35 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.24 | 0.34 | 0.41 | 0.66 | 0.96 | 1.41 | 1.50 | 1.07 | 1.02 | 0.61 | 0.39 | 0.30 | 2.19 | |||||||||||||
S.D. | 0.17 | 0.54 | 0.30 | 0.43 | 0.54 | 0.92 | 1.08 | 0.74 | 0.68 | 0.36 | 0.26 | 0.22 | 1.07 | |||||||||||||
SKEW | 0.77 | 3.47 | 0.66 | 0.53 | 0.50 | 0.87 | 1.33 | 1.35 | 0.94 | 0.97 | 0.43 | 1.53 | 0.51 | |||||||||||||
MAX | 0.70 | 2.50 | 1.00 | 1.70 | 2.12 | 3.41 | 4.10 | 3.10 | 2.72 | 1.62 | 1.01 | 1.00 | 4.10 | |||||||||||||
MIN | 0.01 | 0.05 | 0.00 | 0.00 | 0.13 | 0.42 | 0.45 | 0.30 | 0.15 | 0.10 | 0.00 | 0.05 | 0.61 | |||||||||||||
YRS | 23 | 20 | 21 | 23 | 24 | 23 | 24 | 25 | 25 | 24 | 24 | 23 | 15 |