YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.04 | 0.34 | 0.04 | 1.62 | 1.07 | ----- | z | |||||
1979 | 0.30 | 0.17 | 0.86 | 0.45 | 0.59 | 0.06 | 0.13 | 0.31 | 0.08 | 0.42 | 0.61 | 0.25 | 0.86 | |||||||||||||
1980 | 0.46 | 0.59 | 0.77 | 0.36 | 0.61 | 0.00 | 0.18 | 0.81 | 0.51 | 0.58 | 0.80 | 0.17 | 0.81 | |||||||||||||
1981 | 0.37 | 0.08 | 0.38 | 0.31 | 0.44 | 0.09 | 0.37 | 0.61 | 1.11 | 0.50 | 0.24 | 0.01 | 1.11 | |||||||||||||
1982 | 0.10 | a | 0.12 | 0.21 | 0.11 | a | 0.16 | 0.08 | 0.60 | 0.83 | 0.83 | ----- | z | 0.32 | 0.45 | b | ----- | z | ||||||||
1983 | 0.22 | a | 0.78 | 0.16 | u | 0.23 | a | 0.50 | k | 0.50 | 0.40 | 0.42 | 0.18 | a | 0.60 | b | 1.25 | a | 0.23 | a | ----- | z | ||||
1984 | ----- | z | 0.00 | d | 0.48 | 0.55 | d | 0.00 | d | 0.73 | n | 0.45 | 0.24 | 0.60 | 0.70 | 0.04 | 0.52 | a | ----- | z | ||||||
1985 | 0.35 | 0.05 | 0.45 | 0.55 | 0.23 | 0.56 | 0.64 | 0.01 | 0.61 | 0.96 | 0.60 | 0.15 | 0.96 | |||||||||||||
1986 | 0.05 | a | 0.07 | 0.22 | 0.99 | 0.56 | 0.17 | 0.45 | ----- | z | 0.67 | 1.45 | 0.23 | 0.80 | ----- | z | ||||||||||
1987 | 0.51 | c | 0.65 | a | 0.47 | 0.10 | 0.37 | 0.00 | 0.65 | 0.48 | 0.08 | 0.49 | 0.93 | 0.49 | 0.93 | d | ||||||||||
1988 | 0.25 | 0.28 | 0.92 | 0.49 | 0.84 | 0.08 | 0.00 | 0.14 | 0.56 | 0.18 | 0.56 | 0.08 | 0.92 | |||||||||||||
1989 | 0.20 | a | 0.25 | 0.94 | 0.06 | 0.30 | 0.02 | 0.15 | 0.43 | 0.09 | 0.30 | 0.02 | 0.00 | a | 0.94 | b | ||||||||||
1990 | 0.32 | 0.23 | a | 0.47 | 0.10 | 0.56 | a | 0.38 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.53 | 0.60 | ----- | z | ||
1992 | 0.30 | b | 0.43 | 0.44 | 0.25 | 0.45 | 0.05 | 0.49 | 0.15 | 0.22 | 1.00 | 0.38 | a | 0.27 | a | 1.00 | d | |||||||||
1993 | 0.86 | b | 0.45 | 0.36 | 0.58 | 0.60 | 0.28 | 0.70 | 0.55 | 0.11 | 1.19 | 0.36 | 0.20 | a | 1.19 | c | ||||||||||
1994 | 0.16 | 0.40 | 0.01 | 0.62 | 0.14 | 0.02 | 0.00 | 0.13 | 0.38 | 0.40 | 0.36 | 0.67 | 0.67 | |||||||||||||
1995 | 0.23 | 0.30 | 0.28 | 0.26 | 0.92 | 1.50 | 0.47 | 0.23 | 0.23 | 0.00 | 0.18 | 0.32 | a | 1.50 | a | |||||||||||
1996 | 0.23 | a | 1.60 | a | 0.78 | 0.56 | 0.50 | 0.39 | 0.10 | 0.21 | 0.46 | 0.56 | 0.83 | 0.37 | 1.60 | b | ||||||||||
1997 | 0.32 | 0.20 | 0.20 | 0.56 | 0.41 | 0.26 | 1.00 | 0.61 | 0.55 | 0.71 | 0.20 | 0.28 | 1.00 | |||||||||||||
1998 | 0.14 | 0.17 | 0.32 | 0.13 | 0.48 | 0.47 | 0.72 | 0.00 | 0.75 | 0.82 | 0.38 | 0.52 | 0.82 | |||||||||||||
1999 | 0.55 | 0.29 | 0.13 | 0.40 | 0.43 | 0.29 | 0.92 | 0.93 | 0.27 | 0.00 | 0.22 | 0.33 | 0.93 | |||||||||||||
2000 | 0.40 | 0.24 | 0.64 | 0.20 | 0.17 | 0.15 | 0.36 | 0.22 | 0.28 | 0.38 | a | 0.41 | 0.30 | 0.64 | a | |||||||||||
2001 | 0.62 | 0.47 | 0.36 | 0.42 | 0.50 | 0.29 | 0.38 | 0.55 | 0.27 | 0.21 | 0.40 | 0.22 | b | 0.62 | b | |||||||||||
2002 | 0.28 | 0.01 | 0.18 | 0.15 | 0.05 | 0.00 | 0.22 | a | 0.40 | 0.68 | a | 0.31 | 0.24 | 0.07 | 0.68 | b | ||||||||||
2003 | 0.09 | 0.51 | 0.33 | 0.37 | 0.65 | 0.25 | 0.00 | 0.25 | 0.30 | 0.19 | 0.33 | 0.72 | 0.72 | |||||||||||||
2004 | 0.17 | 0.19 | 0.00 | 0.78 | 0.18 | a | 0.13 | 0.15 | 0.07 | b | 0.61 | 0.51 | 0.58 | 0.34 | a | 0.78 | d | |||||||||
2005 | 0.77 | 0.31 | a | 0.92 | 0.13 | b | 0.23 | 0.45 | 0.00 | 0.74 | 0.67 | 0.33 | 0.53 | 0.41 | k | 0.92 | n | |||||||||
2006 | 0.30 | 0.03 | 0.68 | 0.22 | 0.00 | 0.00 | 0.27 | 0.56 | e | 0.81 | g | 1.88 | 0.30 | c | 0.10 | 1.88 | o | |||||||||
2007 | 0.51 | 0.18 | 0.19 | 1.05 | ----- | z | 0.00 | 0.15 | 1.34 | 1.02 | 0.39 | 0.03 | 0.93 | a | ----- | z | ||||||||||
2008 | 0.31 | a | 0.43 | 0.22 | 0.49 | 0.36 | 0.47 | 0.35 | ----- | z | ----- | z | 0.38 | 0.58 | 0.43 | ----- | z | |||||||||
2009 | 0.13 | 0.15 | 0.21 | 0.82 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.33 | 0.32 | 0.43 | 0.41 | 0.40 | 0.25 | 0.37 | 0.42 | 0.46 | 0.55 | 0.47 | 0.38 | 0.93 | |||||||||||||
S.D. | 0.20 | 0.31 | 0.28 | 0.26 | 0.24 | 0.30 | 0.28 | 0.32 | 0.28 | 0.43 | 0.35 | 0.27 | 0.26 | |||||||||||||
SKEW | 1.03 | 2.45 | 0.51 | 0.73 | 0.15 | 2.55 | 0.51 | 0.91 | 0.49 | 1.33 | 1.50 | 0.84 | 1.19 | |||||||||||||
MAX | 0.86 | 1.60 | 0.94 | 1.05 | 0.92 | 1.50 | 1.00 | 1.34 | 1.11 | 1.88 | 1.62 | 1.07 | 1.60 | |||||||||||||
MIN | 0.05 | 0.00 | 0.00 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.00 | 0.02 | 0.00 | 0.62 | |||||||||||||
YRS | 29 | 30 | 29 | 30 | 27 | 28 | 28 | 27 | 27 | 28 | 30 | 29 | 20 |