YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.08 | 1.88 | 0.66 | 0.00 | 0.00 | 0.28 | 3.90 | f | ||||||
1980 | 0.95 | 0.43 | a | 0.07 | 0.05 | 0.80 | 0.15 | 0.14 | 0.91 | 2.97 | 0.60 | 2.00 | 0.18 | 9.25 | ||||||||||||
1981 | 0.65 | 0.32 | ----- | z | 0.75 | b | 0.25 | 0.00 | 0.19 | 1.54 | 2.16 | 0.76 | ----- | z | 0.03 | 6.65 | b | |||||||||
1982 | 0.27 | b | 0.57 | a | 0.00 | 0.00 | 1.36 | 0.29 | 1.87 | 0.38 | 0.39 | 1.20 | 0.75 | 1.41 | 8.49 | |||||||||||
1983 | 0.95 | a | 0.41 | 0.14 | 0.00 | ----- | z | 0.00 | 0.00 | 0.00 | 0.00 | 1.06 | 0.63 | 0.06 | 3.25 | a | ||||||||||
1984 | 0.77 | 0.00 | 0.29 | 0.00 | 0.00 | 1.17 | 0.44 | 1.84 | 0.38 | 3.27 | 0.78 | 1.02 | 9.96 | |||||||||||||
1985 | 0.31 | 0.43 | 0.47 | 0.80 | 0.82 | 2.49 | 0.17 | 1.46 | 1.06 | a | 1.45 | 0.46 | 0.00 | 9.92 | ||||||||||||
1986 | 0.02 | 0.31 | 0.17 | c | 0.04 | 0.85 | 1.74 | a | 2.10 | 2.96 | 0.86 | 2.43 | 1.29 | 1.41 | 14.18 | |||||||||||
1987 | 0.05 | 0.23 | 0.40 | 0.03 | 4.13 | 0.65 | 0.54 | 2.94 | 1.61 | 0.48 | 0.00 | i | 1.04 | 12.10 | a | |||||||||||
1988 | 0.04 | 0.39 | b | 0.07 | 0.37 | 0.65 | 0.44 | e | 1.99 | 2.47 | 1.19 | 0.27 | 0.02 | 0.13 | 8.03 | |||||||||||
1989 | 0.20 | 0.73 | 0.16 | 0.02 | 1.38 | 0.16 | 0.23 | 1.79 | 0.91 | a | 0.04 | 0.00 | 0.09 | 5.71 | ||||||||||||
1990 | 0.01 | 0.02 | h | 0.23 | i | 0.92 | 0.19 | 0.00 | 2.38 | 4.16 | 2.81 | 1.08 | 0.47 | 0.28 | 12.30 | b | ||||||||||
1991 | 1.59 | 0.35 | 0.43 | 0.00 | 1.53 | 1.44 | 3.31 | 1.70 | 4.77 | 0.21 | 0.36 | 2.62 | 18.31 | |||||||||||||
1992 | 1.27 | 0.23 | 0.20 | 0.09 | 3.60 | 1.02 | 1.17 | 1.15 | 1.24 | 2.15 | 0.33 | 0.22 | 12.67 | |||||||||||||
1993 | 0.55 | 0.21 | 0.55 | 0.27 | 0.77 | 0.30 | 1.55 | 0.94 | 0.45 | 0.75 | a | 0.28 | ----- | z | 6.62 | a | ||||||||||
1994 | 0.13 | a | 0.23 | 0.16 | 0.16 | 1.57 | 0.43 | 0.84 | 0.28 | 0.30 | 0.79 | 1.02 | 0.34 | 6.25 | ||||||||||||
1995 | ----- | z | 0.67 | 0.12 | 0.00 | 0.81 | 2.31 | 0.63 | 0.40 | 1.78 | 0.03 | 0.06 | 0.03 | 6.84 | a | |||||||||||
1996 | 0.05 | a | 0.28 | 0.00 | 0.41 | 0.00 | 3.99 | 1.42 | 1.37 | 2.99 | 0.02 | 0.42 | 0.00 | 10.95 | ||||||||||||
1997 | 0.14 | 0.24 | 0.35 | 0.37 | 1.65 | 2.00 | 3.25 | 1.46 | 1.84 | 0.31 | 0.60 | 2.36 | d | 14.57 | ||||||||||||
1998 | 0.19 | 0.10 | 0.23 | 0.00 | 0.26 | 0.00 | 1.01 | 0.74 | 0.33 | 1.91 | 0.25 | 0.00 | 5.02 | |||||||||||||
1999 | 0.00 | 0.00 | 1.17 | 0.00 | 1.77 | 2.16 | 2.60 | 2.78 | 2.62 | 0.62 | 0.00 | 0.00 | 13.72 | |||||||||||||
2000 | 0.00 | 0.87 | 0.05 | 0.00 | 0.00 | 2.24 | 1.28 | 1.02 | a | 0.00 | 0.53 | 1.64 | 0.00 | 7.63 | ||||||||||||
2001 | 0.00 | 1.11 | 0.49 | 0.26 | 0.65 | 0.86 | 0.66 | 0.65 | 0.50 | 0.00 | 0.56 | 0.14 | 5.88 | |||||||||||||
2002 | 0.21 | 1.20 | 0.17 | 0.00 | 0.00 | 0.86 | 1.33 | 2.43 | 0.15 | 3.36 | 0.55 | 0.55 | 10.81 | |||||||||||||
2003 | 0.27 | 1.88 | 0.60 | 0.00 | 0.00 | 1.14 | 0.19 | 1.52 | 0.56 | 1.53 | 0.53 | 0.00 | 8.22 | |||||||||||||
2004 | 0.30 | 0.52 | 1.20 | 1.15 | a | 0.46 | 1.31 | 3.27 | 5.82 | 4.90 | 1.63 | 2.36 | 0.30 | c | 23.22 | |||||||||||
2005 | 0.48 | 1.52 | 0.24 | 0.15 | 0.55 | 0.00 | 0.10 | a | 4.34 | 0.52 | 1.71 | 0.00 | 0.00 | 9.61 | ||||||||||||
2006 | 0.00 | 0.15 | 0.00 | 0.20 | 0.00 | 0.73 | 3.65 | 2.90 | 5.13 | 1.16 | 0.08 | 0.00 | 14.00 | |||||||||||||
2007 | 2.84 | b | 0.30 | 0.44 | 1.00 | 1.66 | 0.41 | 1.73 | 1.79 | 4.00 | 0.21 | ----- | z | 1.48 | 15.86 | a | ||||||||||
2008 | 0.00 | 0.00 | 0.00 | 0.00 | 1.29 | 0.29 | 3.45 | 1.49 | 4.11 | 1.06 | 0.00 | 0.04 | 11.73 | |||||||||||||
2009 | 0.00 | 0.00 | 0.03 | 0.00 | 0.70 | 0.48 | 2.82 | 3.96 | 2.04 | 0.89 | 0.25 | 2.00 | a | 13.17 | ||||||||||||
2010 | 1.50 | 2.47 | 0.30 | 1.75 | 0.00 | 0.49 | 2.07 | 3.15 | 1.01 | 0.05 | 0.00 | 0.00 | 12.79 | |||||||||||||
2011 | 0.00 | 2.00 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | 2.00 | f | ||||||
2012 | 0.00 | ----- | z | ----- | z | 0.00 | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.70 | 0.70 | h | ||||
2013 | 1.30 | 1.00 | 0.00 | 0.00 | 0.00 | 1.17 | 2.91 | 0.10 | 7.30 | 1.00 | 0.50 | 1.25 | 16.53 | |||||||||||||
2014 | 0.00 | 0.12 | 0.00 | 0.00 | 0.04 | 0.00 | 4.17 | 2.05 | 2.57 | 1.03 | 0.65 | 0.97 | 11.60 | |||||||||||||
2015 | 1.27 | 0.20 | 1.69 | 0.17 | 1.30 | 0.30 | 3.44 | 0.70 | 0.94 | 4.85 | 0.36 | 0.70 | 15.92 | |||||||||||||
2016 | 0.65 | 0.00 | 0.00 | 0.39 | 0.04 | 0.70 | 0.00 | 1.58 | 2.34 | 1.05 | 0.15 | 0.58 | 7.48 | |||||||||||||
2017 | 0.43 | 0.59 | 0.00 | 0.00 | 0.11 | 1.99 | 0.12 | 1.47 | 0.93 | 0.26 | 0.23 | 0.66 | 6.79 | |||||||||||||
2018 | 0.12 | a | 0.00 | a | 0.00 | s | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.12 | j |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.46 | 0.54 | 0.29 | 0.25 | 0.81 | 0.91 | 1.57 | 1.79 | 1.85 | 1.07 | 0.52 | 0.56 | 11.12 | |||||||||||||
S.D. | 0.62 | 0.60 | 0.38 | 0.40 | 0.96 | 0.92 | 1.26 | 1.31 | 1.72 | 1.06 | 0.57 | 0.71 | 4.19 | |||||||||||||
SKEW | 1.91 | 1.66 | 2.11 | 2.05 | 1.81 | 1.29 | 0.41 | 1.01 | 1.28 | 1.67 | 1.73 | 1.38 | 0.81 | |||||||||||||
MAX | 2.84 | 2.47 | 1.69 | 1.75 | 4.13 | 3.99 | 4.17 | 5.82 | 7.30 | 4.85 | 2.36 | 2.62 | 23.22 | |||||||||||||
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 | 5.02 | |||||||||||||
YRS | 38 | 37 | 35 | 38 | 36 | 37 | 37 | 38 | 37 | 37 | 34 | 37 | 29 |