YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.67 | 0.52 | ----- | z | ||
1981 | 0.32 | 0.47 | 0.51 | 0.04 | 0.54 | 0.33 | 0.40 | 0.06 | 0.54 | 0.98 | 0.42 | 0.64 | 0.98 | |||||||||||||
1982 | 0.30 | 0.33 | 1.15 | 0.26 | 0.13 | 1.81 | 0.37 | 0.12 | 0.37 | 0.34 | 1.20 | 0.55 | 1.81 | |||||||||||||
1983 | 0.54 | 0.53 | 0.33 | 0.26 | 0.45 | 0.30 | 0.80 | 1.80 | 0.26 | 0.05 | 0.96 | a | 0.35 | a | 1.80 | b | ||||||||||
1984 | 0.05 | 0.44 | 0.52 | 0.24 | 0.43 | 1.64 | 0.12 | 0.11 | 0.10 | 0.11 | 0.66 | 0.45 | b | 1.64 | b | |||||||||||
1985 | 0.40 | 0.45 | a | 0.56 | 0.03 | 0.45 | 0.25 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | 0.22 | e | ----- | z | ||||||
1986 | 0.70 | 0.35 | 0.40 | 0.29 | 0.05 | 0.10 | b | 0.26 | 0.05 | 0.66 | 0.09 | 0.36 | 0.38 | 0.70 | b | |||||||||||
1987 | ----- | z | 0.32 | 0.62 | 0.12 | 0.94 | 0.58 | 0.23 | 0.13 | 0.00 | 0.08 | 0.25 | 1.28 | ----- | z | |||||||||||
1988 | 0.12 | 0.03 | 0.21 | 1.05 | 0.16 | 0.56 | 0.00 | 0.16 | 0.05 | 0.02 | 0.32 | 0.17 | 1.05 | |||||||||||||
1989 | 0.02 | 0.68 | 0.34 | 0.20 | 1.26 | 0.07 | 0.08 | 0.20 | 0.15 | 0.63 | 0.15 | 0.07 | 1.26 | |||||||||||||
1990 | 0.32 | 0.26 | 0.57 | 0.23 | 0.64 | g | ----- | z | ----- | z | ----- | z | 0.00 | 0.18 | 0.11 | 0.06 | ----- | z | ||||||||
1991 | 0.11 | 0.12 | 0.22 | ----- | z | 0.63 | ----- | z | 0.11 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | v | 0.00 | w | 0.00 | s | 0.02 | t | 0.03 | u | 0.00 | t | ----- | z |
2012 | 0.46 | 0.25 | j | 0.41 | 0.51 | 0.11 | a | 0.54 | 1.64 | a | 0.00 | b | 0.01 | b | 0.30 | a | 1.50 | 0.69 | 1.64 | q | ||||||
2013 | 0.23 | a | 0.02 | 0.58 | b | 0.47 | 0.60 | b | 0.30 | d | 0.30 | 0.35 | a | ----- | z | 0.07 | ----- | z | ----- | z | ----- | z | ||||
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.17 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.17 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.30 | 0.33 | 0.49 | 0.31 | 0.48 | 0.55 | 0.34 | 0.30 | 0.21 | 0.26 | 0.60 | 0.45 | 1.32 | |||||||||||||
S.D. | 0.21 | 0.20 | 0.24 | 0.27 | 0.36 | 0.57 | 0.44 | 0.54 | 0.24 | 0.30 | 0.45 | 0.34 | 0.44 | |||||||||||||
SKEW | 0.39 | -0.17 | 1.48 | 1.70 | 0.77 | 1.47 | 2.13 | 2.51 | 0.81 | 1.51 | 0.79 | 1.13 | -0.08 | |||||||||||||
MAX | 0.70 | 0.68 | 1.15 | 1.05 | 1.26 | 1.81 | 1.64 | 1.80 | 0.66 | 0.98 | 1.50 | 1.28 | 1.81 | |||||||||||||
MIN | 0.02 | 0.02 | 0.21 | 0.03 | 0.05 | 0.07 | 0.00 | 0.00 | 0.00 | 0.02 | 0.11 | 0.06 | 0.70 | |||||||||||||
YRS | 12 | 12 | 13 | 12 | 12 | 12 | 13 | 10 | 10 | 11 | 11 | 12 | 7 |