YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1977 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.35 | e | 0.06 | 0.89 | 0.48 | 0.26 | 0.40 | 0.62 | 0.36 | 0.89 | ||||||||
1978 | 0.33 | 0.42 | 0.45 | 0.20 | 0.43 | 0.11 | 0.47 | 0.39 | 0.44 | 0.71 | 0.50 | 0.63 | 0.71 | |||||||||||||
1979 | 0.09 | 0.30 | 0.47 | 0.96 | 1.31 | 0.25 | 0.41 | 0.53 | 0.05 | 1.15 | 0.38 | 0.18 | 1.31 | |||||||||||||
1980 | 0.65 | 0.49 | 0.48 | 0.14 | 0.56 | 0.41 | 0.21 | 0.60 | 0.29 | 0.41 | 0.33 | 0.21 | 0.65 | |||||||||||||
1981 | 0.09 | 0.26 | 0.26 | 0.28 | 1.05 | 0.39 | 0.51 | 0.11 | 0.56 | 0.76 | 0.20 | 0.25 | 1.05 | |||||||||||||
1982 | 0.35 | 0.12 | 0.53 | 0.53 | 0.44 | 0.37 | 0.35 | 0.48 | 0.51 | 0.45 | 0.82 | 0.25 | 0.82 | |||||||||||||
1983 | 0.17 | 0.25 | 0.35 | 1.00 | 0.44 | 1.00 | 0.85 | 1.24 | 0.26 | 0.60 | 0.90 | 0.56 | 1.24 | |||||||||||||
1984 | 0.20 | 0.35 | 0.41 | 0.88 | 0.32 | 0.61 | 0.78 | 0.79 | 0.58 | 0.42 | 0.30 | 0.23 | 0.88 | |||||||||||||
1985 | 0.37 | 0.28 | 0.40 | 0.70 | 0.31 | 0.48 | 0.43 | 0.32 | 0.23 | 1.19 | 0.99 | 0.16 | 1.19 | |||||||||||||
1986 | 0.26 | 1.22 | 0.43 | 0.70 | 0.27 | 0.79 | 0.74 | 0.20 | 0.58 | 0.56 | 0.83 | 0.35 | 1.22 | |||||||||||||
1987 | 0.19 | 0.47 | 0.38 | 0.68 | 0.43 | 0.74 | 1.00 | 0.46 | 0.21 | 0.58 | 0.47 | 0.70 | 1.00 | |||||||||||||
1988 | 0.26 | 0.17 | 0.21 | 0.18 | 0.55 | 0.53 | 0.12 | 0.37 | 0.88 | 0.09 | 0.50 | 0.24 | 0.88 | |||||||||||||
1989 | 0.21 | 0.54 | 0.40 | 0.15 | 0.13 | 0.30 | 0.75 | 0.42 | 0.52 | 0.12 | 0.35 | 0.30 | 0.75 | |||||||||||||
1990 | 0.11 | 0.47 | 0.37 | 0.64 | 0.80 | 0.70 | 0.22 | 0.42 | 0.23 | 0.85 | 0.35 | 0.43 | 0.85 | |||||||||||||
1991 | 0.30 | a | 0.23 | 0.53 | 0.20 | 0.12 | 0.65 | 0.43 | 0.38 | 0.39 | 0.37 | 0.60 | 0.28 | 0.65 | ||||||||||||
1992 | 0.18 | 0.30 | 0.58 | a | 0.67 | 0.66 | 0.25 | 1.04 | 0.20 | 0.33 | 0.68 | 0.25 | 0.46 | 1.04 | ||||||||||||
1993 | 0.54 | 0.25 | 0.57 | 1.07 | a | 0.26 | 0.18 | 0.30 | 0.53 | 0.69 | 0.72 | a | 0.50 | 0.25 | a | 1.07 | ||||||||||
1994 | 0.20 | 0.46 | 0.40 | 0.38 | c | 0.03 | d | 0.27 | b | 0.01 | 0.85 | f | 0.53 | A | 0.31 | A | 0.65 | A | 0.25 | 0.85 | ||||||
1995 | 0.60 | A | 0.41 | A | 0.51 | A | 0.41 | A | 9999.00 | z | 0.65 | A | 0.30 | A | 0.29 | A | 0.92 | A | 0.80 | A | 0.69 | d | 0.37 | A | 0.69 | |
1996 | 0.50 | d | 0.44 | h | 0.24 | A | 0.64 | A | 0.63 | A | 0.47 | A | 0.36 | A | 0.17 | A | 0.40 | f | 0.81 | A | 0.84 | A | 0.31 | A | 0.50 | |
1997 | 0.72 | A | 0.19 | A | 0.08 | A | 0.91 | f | 0.73 | A | 0.31 | f | 0.56 | A | 0.41 | A | 2.18 | A | 0.69 | d | 0.25 | A | 0.20 | d | 0.91 | |
1998 | 0.20 | A | 0.29 | h | 0.78 | A | 0.20 | A | 0.34 | A | 0.99 | e | 0.65 | A | 0.09 | A | 0.45 | A | 1.28 | A | 0.37 | A | 0.63 | A | 0.99 | |
1999 | 0.42 | A | 0.52 | d | 0.23 | A | 1.14 | A | 0.49 | A | 0.33 | b | 0.44 | f | 0.42 | A | 0.27 | g | 0.57 | 0.33 | A | 0.14 | d | 0.57 | ||
2000 | 0.33 | A | 0.74 | b | 0.38 | A | 0.49 | A | 0.25 | A | 0.22 | d | 0.79 | A | 0.41 | f | 1.46 | i | 0.44 | 0.50 | h | 0.65 | h | 1.46 | ||
2001 | 0.38 | f | 0.41 | e | 0.47 | f | 0.62 | h | 1.26 | g | 0.40 | 0.47 | A | 0.40 | d | 0.40 | A | 0.61 | 0.74 | 0.20 | 1.26 | |||||
2002 | 0.41 | 0.10 | e | 0.46 | h | 0.40 | 0.06 | 0.24 | 0.35 | 0.59 | A | 0.45 | 0.45 | 0.35 | A | 0.40 | a | 0.46 | ||||||||
2003 | 0.24 | a | 0.33 | c | 0.52 | d | 0.79 | 0.34 | a | 0.72 | 0.11 | 0.61 | 0.58 | 0.16 | a | 0.88 | 0.52 | a | 0.88 | |||||||
2004 | 0.43 | 0.50 | a | 0.41 | 0.47 | 0.41 | 0.60 | 0.39 | 0.34 | c | 0.82 | a | 0.43 | 1.00 | a | 0.04 | a | 1.00 | ||||||||
2005 | 0.66 | 0.40 | 0.74 | a | 0.77 | 0.80 | 0.99 | 0.50 | 0.30 | 0.53 | 1.17 | 0.40 | 0.20 | 1.17 | ||||||||||||
2006 | 0.21 | 0.24 | 0.75 | 0.30 | 0.28 | 0.24 | 0.36 | 0.58 | 2.34 | A | 0.78 | A | 0.31 | 0.44 | 0.75 | |||||||||||
2007 | 0.65 | 0.47 | 0.33 | 0.28 | 0.56 | 0.17 | 0.38 | 0.34 | 1.96 | 0.64 | 0.15 | 1.45 | 1.96 | |||||||||||||
2008 | 0.55 | 0.42 | 0.62 | 0.29 | 0.57 | b | 0.55 | 0.18 | 0.60 | 0.67 | 0.65 | 0.43 | 0.45 | 0.67 | ||||||||||||
2009 | 0.84 | 0.16 | 0.45 | A | 0.89 | 0.95 | 0.51 | 0.52 | 0.74 | 0.60 | 0.40 | 0.76 | 0.49 | 0.95 | ||||||||||||
2010 | 0.26 | 0.40 | A | 0.30 | 1.16 | 0.34 | A | 1.11 | A | 0.70 | A | 0.29 | A | 0.35 | A | 1.15 | A | 0.30 | A | 1.28 | A | 1.16 | ||||
2011 | 0.52 | A | 0.38 | b | 0.52 | A | 0.86 | A | 0.80 | A | 0.40 | 0.47 | 0.62 | A | 0.22 | A | 0.46 | A | 0.55 | A | 0.14 | A | 0.47 | |||
2012 | 0.14 | A | 0.26 | A | 0.27 | 0.28 | A | 0.06 | b | 0.13 | A | 0.35 | A | 0.23 | 0.54 | A | 0.45 | a | 0.45 | 0.70 | 0.70 | |||||
2013 | 0.43 | 0.31 | 0.23 | 0.35 | 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 | 0.43 | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.34 | 0.38 | 0.43 | 0.57 | 0.47 | 0.46 | 0.48 | 0.46 | 0.64 | 0.59 | 0.53 | 0.38 | 0.98 | |||||||||||||
S.D. | 0.19 | 0.20 | 0.16 | 0.31 | 0.30 | 0.26 | 0.26 | 0.22 | 0.56 | 0.27 | 0.24 | 0.26 | 0.31 | |||||||||||||
SKEW | 0.75 | 2.15 | 0.33 | 0.19 | 0.81 | 0.59 | 0.44 | 1.42 | 2.06 | 0.51 | 0.48 | 2.26 | 1.47 | |||||||||||||
MAX | 0.84 | 1.22 | 0.78 | 1.16 | 1.31 | 1.00 | 1.04 | 1.24 | 2.34 | 1.19 | 1.00 | 1.45 | 1.96 | |||||||||||||
MIN | 0.09 | 0.10 | 0.08 | 0.14 | 0.03 | 0.06 | 0.01 | 0.11 | 0.05 | 0.09 | 0.15 | 0.04 | 0.65 | |||||||||||||
NO YRS | 31 | 33 | 32 | 29 | 33 | 33 | 33 | 32 | 30 | 32 | 30 | 33 | 21 |