YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.17 | 1.42 | 0.18 | 1.20 | ----- | z | 0.00 | b | 0.00 | 2.97 | f | |||||
1981 | 0.05 | a | 0.20 | 1.45 | 0.13 | 1.08 | 0.47 | 3.31 | 1.61 | 1.34 | 0.10 | 0.11 | 1.16 | 11.01 | ||||||||||||
1982 | ----- | z | 0.21 | a | ----- | z | 0.17 | 2.44 | p | 2.80 | 2.66 | 0.53 | 1.02 | 0.41 | 0.04 | a | 0.05 | 7.89 | c | |||||||
1983 | 0.02 | 0.09 | 1.51 | 0.81 | a | 1.57 | 1.05 | 0.05 | 1.49 | 0.72 | 0.25 | 0.25 | 0.16 | 7.97 | ||||||||||||
1984 | 0.61 | 0.22 | 1.65 | 2.66 | 1.34 | c | 0.40 | 3.13 | 1.45 | 0.39 | 2.19 | 0.18 | 0.37 | 14.59 | ||||||||||||
1985 | 0.39 | 0.11 | 0.41 | 1.33 | 2.56 | 0.29 | 5.10 | 0.37 | 0.63 | 0.50 | 0.69 | 0.26 | 12.64 | |||||||||||||
1986 | 0.02 | 0.02 | 0.28 | 1.53 | 0.26 | 1.01 | 1.93 | a | 1.74 | 1.22 | 0.74 | 0.31 | 0.06 | 9.12 | ||||||||||||
1987 | 0.27 | 1.41 | 1.20 | 0.66 | 5.58 | 1.44 | 0.23 | 2.60 | 0.33 | 0.12 | 0.33 | 0.33 | 14.50 | |||||||||||||
1988 | 1.13 | 0.64 | 0.29 | 1.08 | 1.73 | 1.98 | 1.77 | 1.08 | 1.52 | 0.06 | 0.43 | 0.36 | 12.07 | |||||||||||||
1989 | 0.13 | 0.43 | 0.29 | 0.38 | a | 1.58 | 1.95 | 0.90 | 3.99 | 1.04 | 0.19 | 0.01 | 0.41 | 11.30 | ||||||||||||
1990 | 0.76 | 0.70 | 2.32 | 0.79 | 3.20 | 0.46 | 5.22 | 1.08 | 2.64 | 0.62 | 0.61 | 0.12 | 18.52 | |||||||||||||
1991 | 0.21 | 0.00 | 1.03 | 0.67 | 1.57 | 1.11 | 4.75 | 3.70 | 0.53 | 0.32 | 1.14 | 1.18 | 16.21 | |||||||||||||
1992 | 0.44 | 0.02 | 0.87 | 0.70 | 0.38 | 3.21 | 1.74 | 3.51 | 0.00 | 0.08 | 0.85 | 0.18 | 11.98 | |||||||||||||
1993 | 0.37 | 0.16 | 1.02 | 1.01 | 1.98 | 0.38 | 0.65 | 3.83 | 0.88 | 2.05 | 1.18 | 0.00 | 13.51 | |||||||||||||
1994 | 0.29 | 0.00 | 0.66 | 1.94 | 2.34 | 1.07 | 1.62 | 2.17 | 0.48 | 1.55 | 0.45 | 0.12 | 12.69 | |||||||||||||
1995 | 0.03 | 0.19 | 0.70 | 3.13 | 3.41 | 2.47 | 1.08 | 1.06 | a | 2.13 | 0.05 | 0.01 | 0.00 | 14.26 | ||||||||||||
1996 | 0.14 | 0.20 | 0.85 | 0.34 | 2.40 | 0.96 | 2.77 | 2.02 | 0.85 | a | 0.17 | 0.24 | 0.37 | 11.31 | ||||||||||||
1997 | 0.12 | 0.50 | 0.17 | 1.71 | 0.42 | 1.32 | 4.38 | 6.05 | 0.81 | 0.39 | b | 0.73 | 0.24 | 16.84 | ||||||||||||
1998 | 0.02 | 0.55 | 0.67 | 0.20 | 0.77 | 1.59 | 4.53 | 3.15 | 0.61 | 1.04 | 0.42 | 0.25 | 13.80 | |||||||||||||
1999 | 0.05 | 0.10 | 0.31 | 5.29 | 3.28 | 4.30 | 2.40 | 3.08 | 1.68 | a | 0.78 | 0.22 | 0.23 | 21.72 | ||||||||||||
2000 | 0.17 | 0.43 | 2.13 | 1.11 | 0.47 | 1.01 | 2.19 | 1.81 | 0.44 | 1.27 | 0.22 | 0.15 | 11.40 | |||||||||||||
2001 | 0.40 | a | 0.16 | 0.80 | 0.60 | 3.00 | 1.38 | 3.41 | 1.25 | 0.89 | 0.00 | 0.89 | 0.04 | 12.82 | ||||||||||||
2002 | 0.33 | 0.06 | 0.02 | 0.00 | 0.46 | 0.79 | 0.58 | 0.36 | 0.70 | 0.86 | 0.07 | 0.30 | 4.53 | |||||||||||||
2003 | 0.00 | 0.29 | 0.88 | 0.54 | 0.81 | 1.99 | 0.32 | 0.80 | 1.02 | 0.26 | 0.05 | 0.03 | 6.99 | |||||||||||||
2004 | 0.26 | 0.53 | 0.21 | 2.23 | 0.07 | 2.77 | 1.84 | 4.21 | 1.86 | a | 0.05 | 0.40 | 0.12 | 14.55 | ||||||||||||
2005 | 0.18 | 0.03 | 0.60 | 1.01 | b | 0.56 | 1.17 | 0.87 | 1.77 | 2.09 | 1.81 | b | 0.00 | 0.17 | 10.26 | |||||||||||
2006 | 0.08 | 0.00 | 0.52 | 0.06 | 1.81 | 0.10 | 2.32 | 3.15 | a | 1.10 | 1.94 | 0.10 | 0.13 | 11.31 | ||||||||||||
2007 | 0.40 | 0.07 | 0.32 | 1.20 | a | 2.22 | 2.72 | 1.40 | 4.53 | 0.47 | 0.29 | b | 0.15 | 0.36 | 14.13 | |||||||||||
2008 | 0.06 | 0.15 | 0.64 | 0.51 | 0.27 | 1.44 | 0.80 | 3.58 | 0.85 | 1.31 | 0.73 | 0.05 | 10.39 | |||||||||||||
2009 | 0.01 | 0.14 | 0.73 | 2.02 | 0.71 | 1.68 | 1.98 | 1.89 | 0.56 | 1.45 | 0.16 | 0.29 | 11.62 | |||||||||||||
2010 | 0.26 | 0.64 | 0.72 | 1.14 | 0.89 | 0.79 | 5.28 | 1.05 | 0.27 | 0.00 | 0.00 | 0.06 | 11.10 | |||||||||||||
2011 | 0.05 | 0.05 | 0.49 | 0.53 | 2.13 | 0.44 | 1.51 | 2.58 | 0.23 | 0.55 | 0.38 | 0.35 | 9.29 | |||||||||||||
2012 | 0.00 | 0.56 | 0.19 | 1.07 | 0.23 | 0.67 | 1.31 | 0.55 | 0.79 | 0.12 | 0.02 | 0.01 | 5.52 | |||||||||||||
2013 | 0.02 | 0.11 | 0.22 | 0.10 | 0.74 | a | 0.28 | 1.88 | 0.89 | 1.66 | 0.60 | 0.13 | 0.00 | 6.63 | ||||||||||||
2014 | 0.15 | 0.32 | 0.25 | 0.49 | 0.60 | 1.05 | 1.85 | b | 1.54 | 0.41 | 0.86 | 0.02 | 0.06 | 7.60 | ||||||||||||
2015 | 0.24 | 0.34 | 0.46 | 0.39 | 4.90 | 2.31 | 0.50 | q | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 8.64 | f | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.23 | 0.28 | 0.73 | 1.07 | 1.63 | 1.36 | 2.21 | 2.13 | 0.95 | 0.68 | 0.33 | 0.23 | 11.88 | |||||||||||||
S.D. | 0.24 | 0.29 | 0.55 | 1.05 | 1.34 | 0.97 | 1.49 | 1.41 | 0.60 | 0.65 | 0.33 | 0.27 | 3.65 | |||||||||||||
SKEW | 1.86 | 1.93 | 1.28 | 2.17 | 1.17 | 1.00 | 0.73 | 0.74 | 0.94 | 0.94 | 1.08 | 2.44 | 0.28 | |||||||||||||
MAX | 1.13 | 1.41 | 2.32 | 5.29 | 5.58 | 4.30 | 5.28 | 6.05 | 2.64 | 2.19 | 1.18 | 1.18 | 21.72 | |||||||||||||
MIN | 0.00 | 0.00 | 0.02 | 0.00 | 0.07 | 0.10 | 0.05 | 0.18 | 0.00 | 0.00 | 0.00 | 0.00 | 4.53 | |||||||||||||
YRS | 34 | 35 | 34 | 35 | 34 | 36 | 35 | 35 | 35 | 34 | 35 | 35 | 33 |