YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.25 | ----- | z | |
1966 | 0.23 | 0.09 | 0.00 | 0.00 | 0.00 | 0.20 | 0.08 | 0.00 | 0.00 | 0.00 | 0.20 | 0.29 | 0.29 | |||||||||||||
1967 | ----- | z | 0.00 | 0.00 | 0.32 | 0.26 | 0.10 | 0.27 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
1968 | ----- | z | 0.88 | 0.00 | 0.44 | 0.00 | 0.00 | 0.31 | 0.30 | 0.00 | 0.14 | 0.00 | 0.03 | ----- | z | |||||||||||
1969 | 2.00 | 0.75 | 0.29 | 0.08 | 0.00 | 0.44 | 0.10 | 0.18 | 0.04 | 0.07 | 0.20 | 0.00 | 2.00 | |||||||||||||
1970 | 0.00 | 1.09 | 0.03 | 0.15 | 0.00 | 0.07 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||||
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | 0.11 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.20 | 0.29 | 0.13 | ----- | z | |||||||||
1979 | 0.50 | 0.28 | 0.13 | 0.00 | 0.06 | 0.00 | 0.00 | b | 0.03 | b | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | d | ||||||||||
1980 | 0.35 | 0.68 | 0.73 | 0.30 | 0.79 | 0.01 | 0.16 | 0.00 | 0.06 | 0.00 | 0.00 | 0.00 | 0.79 | |||||||||||||
1981 | 0.06 | 0.10 | 0.35 | 0.03 | 0.60 | 0.00 | 0.00 | 0.33 | 0.00 | 0.26 | 0.41 | 0.00 | 0.60 | |||||||||||||
1982 | 0.05 | a | 0.47 | 0.46 | 0.00 | 0.08 | 0.00 | 0.36 | 0.21 | 0.20 | 0.05 | 0.29 | 0.12 | 0.47 | a | |||||||||||
1983 | 0.61 | 0.29 | a | 1.82 | 0.19 | a | 0.00 | 0.00 | 0.00 | 1.85 | 0.33 | 0.06 | 0.18 | 0.75 | 1.85 | b | ||||||||||
1984 | 0.00 | 0.01 | 0.00 | 0.02 | 0.00 | 0.00 | 1.83 | 1.05 | 0.16 | 0.01 | 0.62 | 1.05 | 1.83 | |||||||||||||
1985 | 0.06 | 0.00 | 0.00 | 0.00 | 0.13 | 0.00 | 0.03 | 0.00 | 0.05 | 0.00 | 0.34 | 0.11 | 0.34 | |||||||||||||
1986 | 0.48 | 0.10 | 0.55 | 0.03 | 0.31 | 0.00 | 0.05 | 0.03 | 0.09 | 0.20 | 0.58 | 0.41 | 0.58 | |||||||||||||
1987 | 0.62 | 0.26 | 0.90 | 0.11 | 0.20 | 0.00 | 1.20 | 0.00 | 0.00 | 0.37 | 0.58 | 0.42 | 1.20 | |||||||||||||
1988 | 0.50 | 0.20 | 0.18 | 1.45 | 0.14 | 0.00 | 0.00 | 1.09 | 0.12 | 0.00 | 0.00 | 0.00 | 1.45 | |||||||||||||
1989 | 0.07 | 0.15 | 0.00 | 0.00 | 0.18 | 0.00 | 0.00 | 0.08 | 0.05 | 0.00 | 0.00 | 0.00 | 0.18 | |||||||||||||
1990 | 0.43 | 0.05 | 0.05 | 0.14 | 0.03 | 0.01 | 0.16 | 0.08 | 1.00 | 0.05 | 0.07 | 0.00 | 1.00 | |||||||||||||
1991 | 0.11 | 0.80 | 0.36 | 0.00 | 0.07 | 0.12 | 0.00 | 0.02 | 0.12 | 0.00 | 0.05 | 0.21 | 0.80 | |||||||||||||
1992 | 0.71 | 0.55 | 0.75 | 0.00 | 0.00 | 0.00 | 0.09 | 0.00 | 0.00 | 0.17 | 0.00 | 0.85 | 0.85 | |||||||||||||
1993 | 0.67 | 0.78 | 0.30 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.21 | 0.08 | 0.27 | 0.78 | |||||||||||||
1994 | 0.34 | 0.10 | 0.11 | 0.17 | 0.09 | 0.00 | 0.05 | 0.00 | 0.04 | 0.00 | 0.10 | 0.37 | 0.37 | |||||||||||||
1995 | 0.67 | 0.00 | 0.34 | 0.07 | 0.15 | 0.03 | 0.00 | 0.51 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | |||||||||||||
1996 | 0.01 | 0.41 | 0.10 | 0.00 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.55 | 0.35 | 0.29 | 0.55 | |||||||||||||
1997 | 0.03 | 0.00 | 0.00 | 0.02 | 0.00 | 0.54 | 0.02 | 0.00 | 1.10 | 0.07 | 0.19 | 0.30 | 1.10 | |||||||||||||
1998 | 0.08 | 1.26 | 0.82 | 0.57 | 0.20 | 0.44 | 0.05 | 0.25 | 0.41 | 0.05 | 0.03 | 0.00 | 1.26 | |||||||||||||
1999 | 0.10 | 0.00 | 0.00 | 0.17 | 0.28 | 0.00 | 0.29 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.67 | |||||||||||||
2000 | 0.16 | 0.36 | 0.36 | 0.08 | 0.00 | 0.03 | 0.00 | 0.10 | 0.04 | 0.12 | 0.00 | 0.00 | 0.36 | |||||||||||||
2001 | 0.63 | 0.72 | 0.21 | 0.09 | 0.00 | 0.00 | 0.38 | 0.00 | 0.00 | 0.07 | a | 0.04 | b | 0.08 | 0.72 | c | ||||||||||
2002 | 0.02 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.08 | 0.00 | 0.00 | 0.01 | 0.14 | 0.00 | 0.20 | |||||||||||||
2003 | 0.05 | 1.00 | 0.08 | 0.66 | 0.32 | 0.00 | 1.29 | a | 0.05 | 0.09 | 0.00 | 0.31 | 0.27 | 1.29 | a | |||||||||||
2004 | 0.00 | 0.44 | 0.71 | 0.11 | 0.00 | 0.05 | 0.00 | 0.54 | 0.15 | 0.49 | 0.72 | 0.64 | 0.72 | |||||||||||||
2005 | 0.49 | 0.86 | 0.15 | a | 0.05 | 0.00 | 0.00 | 0.21 | d | 0.65 | ----- | z | 0.33 | 0.00 | 0.00 | ----- | z | |||||||||
2006 | 0.20 | 0.01 | 0.65 | 0.13 | 0.00 | b | 0.03 | i | 0.02 | e | 0.00 | c | 0.00 | a | 0.09 | a | 0.00 | e | ----- | z | ----- | z | ||||
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | x | ----- | z |
2008 | 0.14 | r | 0.00 | j | 0.00 | p | 0.00 | r | 0.00 | 0.00 | 0.60 | 0.00 | 0.03 | 0.09 | 0.47 | 0.05 | ----- | z | ||||||||
2009 | 0.05 | 0.66 | a | 0.00 | 0.00 | 0.00 | 0.10 | 0.12 | 0.00 | 0.00 | 0.00 | 0.02 | 0.10 | 0.66 | a | |||||||||||
2010 | 0.86 | 0.96 | c | 0.07 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.15 | 0.11 | 0.89 | 0.96 | c | |||||||||||
2011 | 0.20 | 0.00 | b | 0.08 | b | 0.00 | 0.10 | 0.00 | a | 0.00 | 0.35 | 0.11 | b | 0.00 | 0.00 | 0.00 | b | 0.35 | i | |||||||
2012 | 0.00 | 0.23 | b | 0.02 | a | 0.08 | b | 0.00 | 0.00 | 0.10 | 0.41 | b | 0.00 | 0.30 | 0.03 | 0.15 | 0.41 | g | ||||||||
2013 | 0.32 | 0.00 | 0.39 | 0.00 | 0.11 | 0.00 | 0.19 | 0.32 | 0.03 | 0.05 | 0.65 | 0.00 | 0.65 | |||||||||||||
2014 | 0.00 | 0.00 | 0.26 | 0.09 | 0.34 | 0.00 | 0.50 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.32 | 0.37 | 0.29 | 0.14 | 0.11 | 0.05 | 0.21 | 0.22 | 0.14 | 0.11 | 0.19 | 0.24 | 0.83 | |||||||||||||
S.D. | 0.38 | 0.38 | 0.36 | 0.26 | 0.17 | 0.13 | 0.39 | 0.39 | 0.26 | 0.14 | 0.22 | 0.33 | 0.48 | |||||||||||||
SKEW | 2.39 | 0.67 | 2.15 | 3.53 | 2.25 | 2.79 | 2.79 | 2.56 | 2.66 | 1.55 | 1.05 | 1.58 | 0.95 | |||||||||||||
MAX | 2.00 | 1.26 | 1.82 | 1.45 | 0.79 | 0.54 | 1.83 | 1.85 | 1.10 | 0.55 | 0.72 | 1.25 | 2.00 | |||||||||||||
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 | 0.18 | |||||||||||||
YRS | 37 | 39 | 39 | 40 | 41 | 40 | 41 | 38 | 37 | 38 | 38 | 38 | 31 |