YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.07 | 0.02 | 0.81 | 2.28 | 3.00 | 6.18 | f | ||||||
1971 | 1.96 | 0.47 | 1.65 | 0.73 | 0.40 | 0.94 | 0.12 | 0.04 | 1.15 | 0.86 | 1.74 | 3.27 | d | 13.33 | ||||||||||||
1972 | 1.31 | 1.42 | 1.55 | 0.67 | 1.73 | 1.35 | 0.15 | 0.78 | 0.41 | 0.18 | 2.13 | 2.91 | 14.59 | |||||||||||||
1973 | 2.05 | 0.50 | 0.30 | 0.00 | 0.00 | 0.02 | 0.00 | 0.23 | 2.26 | 0.75 | 4.73 | 4.07 | 14.91 | |||||||||||||
1974 | 3.08 | 2.19 | 1.41 | 0.98 | 0.98 | 0.24 | 1.01 | 0.27 | 0.00 | 0.13 | 0.66 | 2.00 | 12.95 | |||||||||||||
1975 | 1.61 | 1.80 | 1.21 | 2.82 | 0.36 | 0.36 | 0.03 | 1.88 | 0.00 | 1.84 | 0.83 | 1.45 | 14.19 | |||||||||||||
1976 | 1.10 | 1.87 | 0.66 | 0.25 | 0.73 | 0.42 | 0.09 | 2.89 | 0.00 | 0.13 | 0.00 | 0.50 | 8.64 | |||||||||||||
1977 | 0.00 | 1.07 | 0.37 | 0.26 | 1.49 | 0.22 | 0.11 | 0.73 | 1.14 | 0.51 | 2.27 | 2.89 | 11.06 | |||||||||||||
1978 | 1.92 | 1.84 | b | 1.06 | 2.00 | 0.32 | 0.11 | 1.06 | 0.88 | 0.74 | 0.00 | 1.09 | 0.67 | 11.69 | ||||||||||||
1979 | 0.50 | 1.50 | 0.54 | 0.64 | 0.02 | 0.84 | 0.05 | 0.72 | 0.44 | 1.86 | 1.67 | 3.39 | 12.17 | |||||||||||||
1980 | 2.02 | 1.88 | 0.55 | 0.94 | 1.76 | 0.53 | 0.09 | 0.40 | 1.22 | 0.10 | 1.43 | 2.58 | 13.50 | |||||||||||||
1981 | 1.93 | 1.97 | 0.07 | 0.01 | 3.00 | 0.92 | 0.15 | 0.11 | 0.51 | 2.12 | 2.57 | 2.43 | 15.79 | |||||||||||||
1982 | 1.34 | 1.33 | 1.28 | r | 0.64 | 0.76 | w | 1.76 | 0.57 | 0.20 | 0.96 | 0.85 | 1.74 | 3.13 | 12.52 | b | ||||||||||
1983 | 0.65 | l | 2.38 | 2.80 | 1.57 | 1.06 | 0.80 | 0.63 | 2.64 | a | 0.91 | 0.00 | 5.44 | 2.02 | 20.25 | a | ||||||||||
1984 | 0.46 | 1.42 | 1.87 | 1.96 | 1.38 | 2.06 | 0.12 | 0.35 | 0.49 | 0.59 | 3.78 | a | 0.90 | c | 15.38 | |||||||||||
1985 | 0.47 | 0.88 | 1.70 | 0.02 | 0.38 | 0.52 | 0.06 | 0.18 | 1.50 | 0.74 | 0.95 | 0.81 | 8.21 | |||||||||||||
1986 | 3.77 | 1.87 | 1.40 | 0.60 | 0.05 | 0.15 | 0.42 | 0.11 | 2.47 | 0.24 | 1.02 | 0.80 | 12.90 | |||||||||||||
1987 | 1.43 | c | 0.73 | 1.99 | 0.15 | 1.08 | 0.95 | 0.79 | 0.15 | 0.00 | 0.01 | 0.29 | 4.39 | 11.96 | ||||||||||||
1988 | 0.57 | 0.04 | 0.52 | 1.06 | 0.79 | 1.17 | 0.00 | 0.21 | 0.33 | 0.00 | 2.58 | 1.52 | 8.79 | |||||||||||||
1989 | 0.37 | a | 1.63 | 1.61 | 0.89 | 3.00 | 0.33 | 0.34 | 0.60 | 0.00 | 1.79 | 1.13 | d | 0.24 | 11.93 | |||||||||||
1990 | 2.01 | 1.72 | 0.59 | 1.48 | 3.78 | 0.88 | 0.62 | 1.74 | 0.00 | 0.56 | 1.04 | 1.21 | 15.63 | |||||||||||||
1991 | 0.11 | c | 0.27 | 1.62 | 0.34 | 2.95 | 1.58 | 0.02 | 0.57 | 0.00 | 0.97 | 1.90 | a | 0.65 | a | 10.98 | ||||||||||
1992 | 1.48 | b | 0.99 | 0.64 | 0.45 | 0.08 | 3.19 | v | 1.84 | 0.00 | 0.00 | 0.78 | w | 1.43 | p | 3.14 | a | 8.62 | c | |||||||
1993 | 1.57 | t | 1.68 | 0.19 | 1.29 | b | 1.26 | t | 0.99 | o | 3.93 | 0.28 | y | ----- | z | 0.04 | 0.57 | a | 2.93 | t | 7.70 | f | ||||
1994 | 1.15 | 1.93 | 0.22 | 1.73 | 0.73 | 0.81 | q | 0.10 | 0.58 | y | 0.02 | 1.60 | 2.70 | c | 1.56 | 11.74 | b | |||||||||
1995 | 2.68 | r | 1.45 | 3.35 | 0.64 | v | 0.56 | x | 0.89 | u | 0.25 | v | 0.44 | x | 0.37 | 0.49 | 2.44 | 2.16 | c | 10.26 | f | |||||
1996 | 1.28 | 1.30 | 0.43 | a | 0.79 | 1.12 | 0.25 | 0.08 | 0.00 | 2.92 | 1.04 | w | 1.88 | 3.06 | f | 10.05 | b | |||||||||
1997 | 0.69 | b | 0.17 | 0.71 | a | 0.45 | 0.70 | 3.07 | 0.19 | e | 0.29 | 0.85 | 1.55 | 0.59 | 0.49 | 9.75 | ||||||||||
1998 | 2.00 | a | 3.31 | a | 0.71 | a | 1.22 | 2.88 | 1.32 | 1.71 | a | 0.05 | 0.15 | 0.10 | 2.00 | 1.60 | c | 17.05 | ||||||||
1999 | 1.93 | 1.80 | 1.79 | 0.00 | 0.87 | 0.15 | 0.05 | 1.03 | 0.00 | 0.64 | y | 1.53 | ----- | z | 9.15 | b | ||||||||||
2000 | ----- | z | 0.73 | q | 0.96 | 0.06 | 0.40 | 0.39 | 0.86 | 0.00 | r | ----- | z | ----- | z | ----- | z | ----- | z | 2.67 | g | |||||
2001 | ----- | z | ----- | z | ----- | z | ----- | z | 0.14 | 1.36 | a | 1.30 | 0.38 | 0.43 | 0.00 | q | 1.33 | r | 0.00 | l | 3.61 | g | ||||
2002 | 0.00 | e | 0.00 | c | 0.00 | m | 0.10 | 0.31 | 0.00 | 0.25 | 0.30 | 0.09 | 0.04 | 1.18 | 5.57 | h | 2.27 | b | ||||||||
2003 | 0.78 | k | 0.00 | ----- | z | 1.98 | 0.16 | ----- | z | 0.00 | 0.09 | 0.17 | 1.61 | 0.41 | b | 0.00 | k | 4.42 | d | |||||||
2004 | 0.49 | f | 0.80 | d | 0.97 | 0.41 | ----- | z | ----- | z | 0.32 | 0.77 | 0.19 | a | 1.87 | h | 0.28 | a | ----- | z | 3.74 | e | ||||
2005 | ----- | z | 0.00 | a | 1.03 | 0.55 | 3.19 | 0.94 | 0.22 | 0.01 | 0.39 | 1.23 | 3.08 | a | 2.02 | c | 12.66 | a | ||||||||
2006 | 3.30 | h | 2.03 | 1.21 | 0.73 | 1.14 | 1.00 | ----- | z | 0.00 | 0.58 | 0.30 | c | 3.46 | d | 0.98 | h | 10.45 | c | |||||||
2007 | ----- | z | 1.50 | h | ----- | z | 0.00 | 1.20 | 0.10 | 0.30 | 0.00 | 0.48 | 0.82 | 0.22 | c | 0.00 | i | 3.12 | d | |||||||
2008 | 0.00 | k | 0.00 | e | 0.00 | c | 0.05 | 0.46 | 0.39 | 0.02 | 0.20 | 0.00 | 0.46 | 1.91 | ----- | z | 3.49 | b | ||||||||
2009 | 0.00 | f | 0.00 | c | 1.00 | a | 0.00 | 1.28 | 0.37 | 0.73 | 0.00 | 0.32 | 1.73 | 0.13 | b | 0.00 | c | 5.56 | a | |||||||
2010 | 2.00 | f | 2.93 | 0.35 | 1.47 | 2.45 | 1.09 | 0.00 | 1.13 | 1.18 | ----- | z | 0.73 | d | 1.81 | 13.14 | b | |||||||||
2011 | ----- | z | ----- | z | 4.54 | 0.26 | 3.33 | 0.56 | 1.01 | 0.00 | ----- | z | 1.09 | 0.00 | n | ----- | z | 10.79 | e | |||||||
2012 | ----- | z | 1.11 | 3.70 | ----- | z | 0.19 | 1.59 | 2.45 | 0.00 | 0.00 | a | 1.87 | 2.32 | 3.93 | 17.16 | b | |||||||||
2013 | ----- | z | ----- | z | 0.65 | 1.54 | 1.08 | 1.99 | 0.00 | 1.53 | 1.00 | 0.04 | 0.73 | 0.01 | 8.57 | b | ||||||||||
2014 | 0.47 | 1.78 | 0.40 | 0.90 | 0.17 | 1.49 | 0.08 | 3.64 | 0.38 | 1.80 | 0.92 | b | 1.88 | a | 13.91 | |||||||||||
2015 | 0.90 | 0.77 | 0.70 | 0.04 | 1.04 | 0.25 | 0.00 | 0.00 | c | ----- | z | 0.91 | 2.22 | 7.64 | f | 6.83 | b | |||||||||
2016 | 2.20 | x | ----- | z | 1.61 | ----- | z | ----- | z | 0.64 | ----- | z | ----- | z | ----- | z | 2.54 | l | 0.96 | 1.55 | 4.76 | h | ||||
2017 | ----- | z | ----- | z | 0.60 | s | 3.35 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.35 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.31 | 1.27 | 1.19 | 0.82 | 1.18 | 0.83 | 0.50 | 0.60 | 0.57 | 0.79 | 1.66 | 1.91 | 12.70 | |||||||||||||
S.D. | 0.90 | 0.84 | 0.99 | 0.79 | 1.06 | 0.67 | 0.77 | 0.85 | 0.70 | 0.68 | 1.20 | 1.20 | 2.45 | |||||||||||||
SKEW | 0.65 | 0.08 | 1.59 | 1.21 | 0.99 | 1.13 | 2.63 | 2.03 | 1.70 | 0.47 | 1.10 | 0.25 | -0.24 | |||||||||||||
MAX | 3.77 | 3.31 | 4.54 | 3.35 | 3.78 | 3.07 | 3.93 | 3.64 | 2.92 | 2.12 | 5.44 | 4.39 | 17.05 | |||||||||||||
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 | 8.21 | |||||||||||||
YRS | 29 | 40 | 41 | 43 | 41 | 40 | 44 | 42 | 42 | 39 | 43 | 34 | 22 |