YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1977 | ----- | z | ----- | z | ----- | z | ----- | z | 1.03 | 0.22 | 0.68 | 2.27 | 0.89 | 0.45 | 0.08 | 2.54 | 8.16 | d | ||||||||
1978 | 3.27 | 3.21 | 4.27 | 3.21 | 0.70 | 0.00 | 0.06 | 0.48 | 0.20 | 0.70 | 1.82 | ----- | z | 17.92 | a | |||||||||||
1979 | 4.34 | e | 0.89 | b | 3.09 | 0.05 | 0.23 | 0.00 | 1.59 | 2.27 | 0.00 | 0.00 | 0.09 | 0.32 | 12.87 | |||||||||||
1980 | 4.67 | 4.58 | 2.53 | 0.23 | 0.65 | 0.00 | 2.74 | 0.07 | 0.00 | b | 0.07 | 0.00 | 0.00 | 15.54 | ||||||||||||
1981 | 0.83 | 0.35 | 3.42 | 0.48 | 0.77 | 0.00 | 0.00 | 0.44 | 0.91 | 0.85 | 1.19 | 0.00 | 9.24 | |||||||||||||
1982 | 1.70 | a | 0.80 | 2.77 | 1.38 | 0.33 | 0.00 | 2.21 | 3.47 | 0.49 | 0.47 | a | 1.38 | 2.89 | 17.89 | |||||||||||
1983 | 2.53 | 2.12 | 4.88 | 0.82 | 0.13 | 0.00 | 0.10 | 8.96 | 0.64 | 0.60 | 1.49 | 1.62 | 23.89 | |||||||||||||
1984 | 0.00 | ----- | z | ----- | z | 0.06 | 0.00 | 0.00 | 3.60 | 3.00 | 0.02 | 0.10 | 2.65 | 3.00 | c | 12.43 | b | |||||||||
1985 | 0.86 | 0.03 | b | ----- | z | 0.48 | 0.17 | 0.00 | 2.60 | 0.35 | 0.88 | 0.01 | 1.44 | 0.08 | 6.90 | a | ||||||||||
1986 | 0.80 | 1.53 | 6.95 | a | 0.00 | 0.00 | 0.00 | 0.68 | 0.00 | 0.14 | 0.41 | ----- | z | 0.00 | 10.51 | a | ||||||||||
1987 | 0.82 | 0.00 | d | 0.77 | 1.21 | 0.03 | a | 0.50 | 0.94 | 0.35 | 0.20 | 0.95 | 2.37 | 1.41 | a | 9.55 | ||||||||||
1988 | 1.91 | 0.13 | 0.00 | 1.93 | 0.29 | a | 0.07 | 0.44 | 2.29 | 0.13 | 0.00 | 0.77 | 0.00 | a | 7.96 | |||||||||||
1989 | 0.24 | 0.99 | 1.11 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.34 | |||||||||||||
1990 | 1.08 | 1.64 | 0.03 | 0.10 | 0.22 | 0.55 | 1.90 | 1.03 | b | 0.84 | 0.00 | 0.06 | 0.00 | 7.45 | ||||||||||||
1991 | 0.00 | 0.85 | 4.88 | 0.00 | 0.06 | 0.14 | 0.21 | 0.36 | 0.21 | 0.00 | 0.63 | 0.71 | 8.05 | |||||||||||||
1992 | 1.42 | a | 4.06 | 7.09 | 0.05 | 0.06 | 0.00 | 0.56 | 0.00 | 0.00 | 1.86 | 0.00 | 4.10 | 19.20 | ||||||||||||
1993 | 5.70 | b | 5.24 | 0.68 | 0.00 | 0.10 | 0.51 | 0.00 | 0.22 | 0.00 | 0.04 | 0.50 | 0.75 | 13.74 | ||||||||||||
1994 | 0.12 | 1.76 | 0.69 | 0.15 | a | 0.11 | 0.00 | 0.29 | 0.00 | 0.78 | 0.00 | 1.01 | 1.44 | 6.35 | ||||||||||||
1995 | 5.56 | a | 1.24 | 3.07 | 0.28 | 0.45 | 0.13 | ----- | z | 1.13 | 0.00 | 0.00 | 0.00 | 0.42 | 12.28 | a | ||||||||||
1996 | 0.03 | 4.67 | a | 0.25 | 0.00 | 0.58 | 0.00 | 0.00 | 0.00 | 0.00 | 0.57 | 1.53 | 0.95 | 8.58 | ||||||||||||
1997 | 2.63 | 0.57 | 0.00 | 0.00 | 0.00 | 0.08 | 0.26 | 0.46 | 3.53 | 0.12 | 1.13 | 0.09 | 8.87 | |||||||||||||
1998 | 0.86 | 7.31 | 2.79 | 0.47 | 1.45 | 0.85 | 0.14 | 1.15 | 2.12 | 0.44 | 0.20 | 0.07 | 17.85 | |||||||||||||
1999 | ----- | z | 0.29 | 0.02 | 1.98 | 0.09 | 0.45 | 2.66 | 0.02 | 1.16 | 0.00 | 0.00 | 0.00 | 6.67 | a | |||||||||||
2000 | 0.25 | a | 5.22 | a | 0.59 | 0.57 | 0.05 | 0.00 | b | 0.00 | 0.88 | 0.00 | 1.25 | 0.00 | 0.06 | a | 8.87 | |||||||||
2001 | 2.57 | 3.15 | 0.78 | 1.32 | 0.00 | 0.00 | 1.46 | 0.57 | 0.00 | 0.19 | 0.51 | 0.20 | 10.75 | |||||||||||||
2002 | 0.24 | 0.04 | 0.22 | 0.10 | 0.00 | 0.00 | 1.68 | a | 0.00 | f | 0.02 | 1.07 | a | 1.21 | 1.02 | b | 5.60 | a | ||||||||
2003 | 0.00 | 2.93 | 1.74 | 0.93 | 0.33 | d | 0.00 | 0.19 | 0.65 | 0.02 | 0.00 | 1.04 | b | 2.00 | 9.83 | |||||||||||
2004 | 0.17 | 4.18 | a | 0.98 | 1.04 | 0.00 | f | 0.00 | a | 0.15 | 0.67 | a | 0.15 | 2.47 | 3.12 | a | 2.72 | 15.65 | a | |||||||
2005 | 7.39 | a | 5.16 | a | 1.42 | a | 1.01 | 0.09 | 0.02 | 1.00 | 0.49 | b | 0.26 | 2.81 | 0.00 | 0.00 | 19.65 | |||||||||
2006 | 0.79 | a | 0.27 | a | 2.58 | a | 1.41 | 0.00 | 0.15 | 1.59 | d | 0.00 | c | 0.00 | a | 0.98 | 0.00 | 0.81 | 8.58 | |||||||
2007 | 0.00 | 0.42 | 0.00 | a | 0.51 | 0.00 | 0.00 | 2.66 | 2.87 | d | 3.47 | 0.00 | 0.00 | 2.46 | 12.39 | |||||||||||
2008 | 2.85 | 2.20 | 0.00 | a | 0.00 | 0.27 | 0.00 | 0.54 | 0.39 | 0.07 | 0.30 | 0.70 | 1.85 | 9.17 | ||||||||||||
2009 | 0.15 | 2.44 | 0.17 | c | 0.04 | 0.00 | 0.00 | 0.46 | 0.25 | 0.21 | h | 0.00 | 0.05 | l | 0.91 | d | 4.42 | b | ||||||||
2010 | 3.73 | c | 2.48 | 0.65 | v | ----- | z | 0.05 | 0.00 | 0.20 | 0.00 | 0.29 | 1.15 | b | 0.37 | 8.75 | f | 8.27 | c | |||||||
2011 | 0.19 | g | 1.18 | y | 1.31 | 0.33 | d | 0.30 | b | 0.00 | c | 2.66 | a | 0.31 | e | 1.07 | c | 0.73 | t | 0.48 | b | 0.48 | 6.94 | c | ||
2012 | 0.80 | k | ----- | z | 0.00 | i | 0.06 | e | 0.00 | 0.00 | 1.48 | a | 2.60 | b | 1.12 | 1.56 | 0.26 | 0.28 | i | 7.08 | d | |||||
2013 | 0.65 | d | 0.00 | 0.38 | g | 0.10 | 0.05 | 0.00 | 0.15 | b | 0.71 | a | 0.55 | v | 0.00 | 1.87 | 0.25 | 3.78 | b | |||||||
2014 | 0.00 | 0.03 | 0.71 | 0.55 | 0.00 | 0.00 | 0.75 | a | 1.55 | 1.30 | 0.00 | 0.36 | 1.96 | 7.21 | ||||||||||||
2015 | 1.31 | 0.77 | 0.71 | 0.44 | 0.41 | 0.00 | 0.32 | 0.10 | 0.00 | 2.15 | 0.26 | 0.13 | 6.60 | |||||||||||||
2016 | 1.17 | 1.12 | l | 0.82 | k | 2.40 | 0.70 | 0.18 | 1.45 | 0.12 | e | ----- | z | 0.52 | c | 0.24 | 2.25 | p | 6.78 | d | ||||||
2017 | 4.68 | b | 2.46 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | 7.14 | f | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.77 | 2.06 | 1.78 | 0.61 | 0.24 | 0.10 | 0.98 | 1.04 | 0.57 | 0.55 | 0.76 | 0.98 | 11.30 | |||||||||||||
S.D. | 1.94 | 1.93 | 1.97 | 0.76 | 0.33 | 0.20 | 1.00 | 1.62 | 0.87 | 0.74 | 0.82 | 1.10 | 5.11 | |||||||||||||
SKEW | 1.20 | 0.86 | 1.26 | 1.61 | 1.84 | 2.30 | 0.91 | 3.25 | 2.23 | 1.53 | 1.13 | 1.04 | 0.80 | |||||||||||||
MAX | 7.39 | 7.31 | 7.09 | 3.21 | 1.45 | 0.85 | 3.60 | 8.96 | 3.53 | 2.81 | 3.12 | 4.10 | 23.89 | |||||||||||||
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 | 2.34 | |||||||||||||
YRS | 37 | 36 | 34 | 39 | 40 | 40 | 39 | 39 | 37 | 40 | 38 | 36 | 25 |