YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1977 | 0.17 | 0.13 | 0.40 | 0.13 | 0.57 | 0.13 | 0.70 | 0.58 | 0.75 | 0.10 | 0.28 | 0.13 | 0.75 | |||||||||||||
1978 | 0.60 | 0.28 | 0.30 | 0.02 | 1.44 | 0.38 | 0.15 | 0.82 | 0.81 | 0.76 | 0.80 | 0.21 | 1.44 | |||||||||||||
1979 | 0.39 | 0.20 | 0.00 | 0.02 | 0.55 | 0.55 | 0.80 | 0.83 | 0.88 | 0.25 | 1.10 | 0.00 | 1.10 | |||||||||||||
1980 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.02 | 1.15 | 0.69 | 2.00 | 0.00 | 0.30 | 0.00 | 2.00 | ||||||||
1981 | 9999.00 | z | 0.00 | a | 0.00 | 0.00 | 0.00 | 0.00 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.00 | |||||
1982 | 0.00 | c | 9999.00 | z | 0.00 | a | 0.00 | a | 0.00 | 0.00 | 0.50 | 0.76 | 1.10 | 0.00 | 0.00 | 9999.00 | z | 1.10 | ||||||||
1983 | 0.64 | c | 0.60 | 9999.00 | z | 0.62 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.80 | 0.66 | 0.57 | 0.15 | 0.00 | 0.80 | ||||||||
1984 | 0.39 | 0.00 | 0.39 | 0.10 | 0.30 | 0.30 | c | 0.16 | 0.59 | 0.95 | a | 1.02 | A | 0.80 | 0.28 | a | 0.95 | |||||||||
1985 | 0.38 | 0.15 | 0.42 | 1.15 | 0.16 | 0.25 | 0.96 | 0.50 | 0.83 | 0.35 | 0.07 | 0.25 | 1.15 | |||||||||||||
1986 | 0.11 | 9999.00 | z | 0.00 | 0.30 | 0.46 | 0.50 | 0.76 | 0.36 | 0.16 | 1.43 | 1.20 | 0.21 | 1.43 | ||||||||||||
1987 | 1.13 | 0.50 | A | 0.12 | 0.00 | 0.16 | 0.22 | 0.25 | 0.37 | a | 0.00 | 0.20 | 0.21 | 0.40 | 1.13 | |||||||||||
1988 | 0.20 | 0.02 | 0.10 | 1.00 | 0.15 | 0.76 | 1.90 | 1.37 | 0.80 | 0.22 | 0.06 | 0.23 | 1.90 | |||||||||||||
1989 | 0.65 | 0.50 | 0.60 | 0.00 | 0.07 | 0.00 | 1.95 | 0.25 | 0.26 | 1.77 | 0.00 | 0.18 | 1.95 | |||||||||||||
1990 | 0.98 | 0.15 | 0.61 | a | 0.82 | 0.42 | 0.50 | 0.86 | 0.46 | 0.54 | 0.22 | 0.75 | 0.50 | 0.98 | ||||||||||||
1991 | 0.30 | 0.00 | 0.25 | 0.00 | 0.74 | 0.48 | 0.99 | 0.17 | 0.46 | 0.57 | 0.55 | 0.77 | 0.99 | |||||||||||||
1992 | 0.80 | 0.11 | 0.07 | 0.15 | 0.88 | 0.45 | 0.41 | 0.83 | 0.62 | 0.32 | 0.53 | 0.60 | 0.88 | |||||||||||||
1993 | 0.42 | 0.35 | 0.57 | 0.13 | A | 0.25 | 0.58 | 0.15 | 0.85 | 0.10 | 0.55 | 0.14 | 0.13 | a | 0.85 | |||||||||||
1994 | 0.35 | 0.05 | a | 0.34 | 0.11 | a | 0.85 | 0.10 | 0.89 | 1.45 | 0.79 | 0.59 | 0.53 | 0.30 | 1.45 | |||||||||||
1995 | 0.50 | a | 0.21 | 0.29 | 0.15 | 0.28 | 0.21 | 0.09 | 0.23 | 0.55 | 0.00 | 0.02 | 0.15 | 0.55 | ||||||||||||
1996 | 0.31 | 0.10 | 0.06 | 0.00 | 0.00 | 0.25 | 0.47 | 0.40 | 0.56 | 0.85 | 0.13 | 0.00 | 0.85 | |||||||||||||
1997 | 0.55 | A | 0.13 | 0.04 | 0.70 | a | 0.30 | 0.65 | 1.45 | 0.73 | a | 0.98 | 0.18 | a | 0.37 | a | 0.55 | A | 1.45 | |||||||
1998 | 0.15 | 0.20 | 1.58 | d | 0.24 | 0.00 | 0.10 | 1.26 | 0.85 | 0.20 | 0.95 | 0.20 | 0.05 | 1.58 | ||||||||||||
1999 | 0.00 | c | 0.00 | 0.53 | A | 0.82 | 0.25 | b | 0.22 | A | 1.52 | A | 1.06 | 0.38 | 0.23 | 0.00 | 0.37 | 1.06 | ||||||||
2000 | 0.18 | 0.01 | 1.67 | 0.57 | 0.03 | 0.13 | 0.41 | 0.55 | 0.43 | 0.67 | 0.40 | 0.40 | 1.67 | |||||||||||||
2001 | 0.52 | a | 0.41 | 0.14 | 0.13 | 0.50 | 0.06 | 0.28 | 0.79 | 0.26 | 0.04 | 0.30 | 0.40 | 0.79 | ||||||||||||
2002 | 0.57 | 0.00 | 0.00 | 0.10 | 0.03 | 0.19 | 0.27 | 0.42 | b | 0.73 | b | 0.50 | A | 0.30 | 0.54 | 0.73 | ||||||||||
2003 | 0.07 | 0.39 | 0.09 | 0.00 | 0.00 | 0.09 | 0.10 | 0.33 | 0.25 | 0.41 | 1.25 | a | 0.10 | 1.25 | ||||||||||||
2004 | 0.23 | 0.48 | 0.25 | 0.98 | 0.00 | 0.47 | 1.12 | 0.42 | 0.48 | A | 0.13 | A | 1.30 | A | 0.19 | 1.12 | ||||||||||
2005 | 0.44 | 0.44 | 0.57 | 0.25 | 0.30 | 0.03 | 0.33 | 0.86 | 1.19 | 0.50 | 0.02 | 0.00 | 1.19 | |||||||||||||
2006 | 0.10 | 0.00 | 0.36 | 0.02 | 0.00 | 0.28 | 0.98 | 2.40 | 0.35 | a | 0.45 | 0.20 | 0.95 | 2.40 | ||||||||||||
2007 | 0.27 | 0.32 | 0.23 | 0.80 | 0.61 | 0.16 | 0.63 | 0.90 | 1.07 | 0.44 | 0.40 | 0.28 | 1.07 | |||||||||||||
2008 | 0.18 | 0.48 | 0.04 | 0.00 | 0.35 | 0.61 | 0.70 | 0.40 | 0.05 | 0.35 | 0.45 | 0.40 | 0.70 | |||||||||||||
2009 | 0.05 | 0.01 | 0.63 | 0.09 | 0.62 | 0.55 | 0.30 | 0.67 | 0.56 | 0.24 | 0.00 | 0.10 | 0.67 | |||||||||||||
2010 | 0.83 | 0.28 | 0.14 | c | 1.17 | 0.06 | 0.03 | 2.37 | 0.92 | 0.36 | 0.14 | 0.10 | 0.55 | 2.37 | ||||||||||||
2011 | 0.00 | 0.14 | 0.00 | 0.00 | 0.13 | 0.12 | 0.56 | 0.56 | 0.64 | 0.70 | 0.05 | 1.18 | 1.18 | |||||||||||||
2012 | 0.04 | 0.04 | 0.04 | 0.21 | 0.00 | 0.00 | 1.56 | 0.20 | 0.18 | 0.00 | 0.07 | 0.31 | 1.56 | |||||||||||||
2013 | 0.12 | 0.10 | 0.03 | 0.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.12 | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.36 | 0.20 | 0.31 | 0.31 | 0.31 | 0.27 | 0.79 | 0.70 | 0.60 | 0.45 | 0.37 | 0.32 | 1.23 | |||||||||||||
S.D. | 0.29 | 0.18 | 0.39 | 0.38 | 0.33 | 0.22 | 0.58 | 0.42 | 0.40 | 0.40 | 0.38 | 0.27 | 0.50 | |||||||||||||
SKEW | 0.82 | 0.59 | 2.21 | 1.07 | 1.41 | 0.51 | 0.90 | 2.00 | 1.17 | 1.44 | 1.15 | 1.26 | 0.90 | |||||||||||||
MAX | 1.13 | 0.60 | 1.67 | 1.17 | 1.44 | 0.76 | 2.37 | 2.40 | 2.00 | 1.77 | 1.30 | 1.18 | 2.40 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.55 | |||||||||||||
NO YRS | 35 | 34 | 35 | 35 | 34 | 35 | 34 | 35 | 35 | 35 | 35 | 34 | 27 |