YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.30 | j | 0.00 | l |
1969 | 0.28 | 1.04 | 1.15 | 1.24 | 2.53 | 2.36 | 3.61 | 2.50 | 2.59 | 2.70 | 0.26 | 1.16 | 21.42 | |||||||||||||
1970 | 0.12 | 0.52 | 0.71 | 0.16 | 1.05 | 1.35 | 5.54 | 1.92 | 0.81 | 0.62 | 0.14 | 0.02 | 12.96 | |||||||||||||
1971 | 0.32 | 0.23 | 0.51 | 0.26 | 0.10 | 0.01 | 4.18 | 2.23 | 2.48 | 1.07 | 1.26 | 1.28 | 13.93 | |||||||||||||
1972 | 0.05 | 0.05 | 0.00 | 0.00 | 0.10 | 2.82 | 3.36 | 5.43 | 1.51 | 3.56 | 1.05 | 0.52 | 18.45 | |||||||||||||
1973 | 2.10 | 0.85 | 1.99 | 1.02 | 1.56 | 1.70 | 4.58 | 1.01 | 0.44 | 0.25 | 0.33 | 0.10 | 15.93 | |||||||||||||
1974 | 0.64 | 0.25 | 0.58 | 0.18 | 0.02 | 1.72 | 3.01 | 3.34 | 2.59 | 4.55 | 0.12 | 1.50 | 18.50 | |||||||||||||
1975 | 1.25 | 1.16 | 1.17 | 1.02 | 0.20 | 0.02 | 2.51 | 1.38 | 2.36 | 0.03 | 0.60 | 0.41 | 12.11 | |||||||||||||
1976 | 0.01 | 0.15 | 0.79 | 1.39 | 1.63 | 2.23 | 3.86 | 3.57 | 0.98 | 0.81 | 1.16 | 0.20 | 16.78 | |||||||||||||
1977 | 1.61 | 1.14 | 1.04 | 1.64 | 0.40 | 0.42 | 4.87 | 3.12 | 1.61 | 0.85 | 0.86 | 0.20 | 17.76 | |||||||||||||
1978 | 2.09 | 0.81 | 0.98 | 0.27 | 2.21 | 1.93 | 1.91 | 2.03 | 1.26 | 1.95 | 3.13 | 1.42 | 19.99 | |||||||||||||
1979 | 1.61 | 0.78 | 0.45 | 1.23 | 1.91 | 5.62 | 2.82 | 1.42 | 2.87 | 1.20 | 0.61 | 0.72 | 21.24 | |||||||||||||
1980 | 0.42 | 0.90 | 1.08 | 1.56 | 1.95 | 0.29 | 0.94 | 4.89 | 2.74 | 0.13 | 1.27 | 0.22 | 16.39 | |||||||||||||
1981 | 0.14 | 0.14 | 1.66 | 0.43 | 0.82 | 3.10 | 3.42 | 4.23 | 2.82 | 2.13 | 0.48 | 0.00 | 19.37 | |||||||||||||
1982 | 0.64 | 0.90 | 0.48 | a | 0.42 | 1.18 | a | 0.15 | 1.81 | 3.96 | 3.55 | 0.31 | 0.71 | 2.16 | 16.27 | |||||||||||
1983 | 1.04 | 1.23 | 1.80 | 1.19 | 0.94 | 0.69 | 2.38 | 2.60 | 1.22 | 2.75 | 1.88 | 1.37 | 19.09 | |||||||||||||
1984 | 0.93 | 0.08 | 1.61 | 1.37 | 2.41 | 1.32 | 1.77 | 4.65 | 2.37 | 3.72 | 1.17 | 1.09 | a | 22.49 | ||||||||||||
1985 | 1.43 | 0.95 | 2.29 | 3.83 | 1.47 | 3.26 | 0.89 | 1.05 | 3.48 | 4.26 | 0.68 | 0.37 | 23.96 | |||||||||||||
1986 | 0.49 | 2.03 | 0.59 | 0.44 | 5.21 | 4.32 | 2.68 | 4.41 | 1.81 | 2.64 | 2.99 | 1.72 | 29.33 | |||||||||||||
1987 | 1.72 | 2.37 | 1.23 | a | 1.22 | 2.00 | 2.71 | 0.47 | 8.00 | 2.17 | 0.62 | 1.05 | 1.45 | 25.01 | ||||||||||||
1988 | 0.90 | 1.16 | 0.11 | 2.04 | 2.12 | 3.03 | 4.56 | 2.94 | 6.12 | 0.29 | 1.49 | 1.11 | 25.87 | |||||||||||||
1989 | 1.24 | 0.29 | 0.86 | 0.32 | 1.72 | 0.55 | 4.25 | 1.64 | 0.98 | 0.64 | 0.01 | 0.93 | 13.43 | |||||||||||||
1990 | 1.39 | 2.30 | 1.39 | 1.32 | 0.70 | 0.32 | 3.49 | 5.44 | 1.79 | 0.43 | 1.86 | 1.62 | 22.05 | |||||||||||||
1991 | 1.12 | 1.24 | 1.69 | 0.00 | 2.33 | 0.86 | 5.66 | 2.82 | 2.70 | 0.86 | 1.93 | 3.72 | 24.93 | |||||||||||||
1992 | 1.73 | 0.99 | 1.11 | 0.23 | 5.68 | 0.75 | 1.32 | 3.10 | 1.07 | 0.45 | 1.51 | 1.59 | 19.53 | |||||||||||||
1993 | 1.56 | 1.81 | 0.98 | 0.48 | 1.61 | 0.70 | 0.30 | 2.31 | 0.20 | 1.49 | ----- | z | ----- | z | 11.44 | b | ||||||||||
1994 | ----- | z | 0.20 | 2.60 | 0.75 | 3.75 | 0.30 | 1.50 | 3.80 | 1.30 | 0.85 | 1.80 | 0.80 | a | 17.65 | a | ||||||||||
1995 | 0.70 | a | 0.20 | 0.68 | a | 0.85 | t | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.60 | 2.18 | g | |||
1996 | 0.83 | 0.05 | 0.00 | 0.00 | 0.00 | 2.50 | a | 1.85 | 3.00 | 3.20 | 2.25 | 0.30 | 0.00 | 13.98 | ||||||||||||
1997 | 4.20 | a | 0.50 | b | 0.20 | 3.30 | a | 1.10 | 2.00 | 2.10 | 1.90 | h | 6.40 | 0.40 | j | 0.90 | d | 2.10 | d | 22.80 | b | |||||
1998 | 0.10 | 0.33 | k | 0.43 | 1.20 | 0.00 | 0.00 | 0.02 | 1.08 | 1.05 | s | 0.87 | d | ----- | z | ----- | z | 3.70 | d | |||||||
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.45 | c | 0.45 | j | |
2000 | 0.00 | a | 0.01 | 0.21 | 0.19 | 0.05 | v | ----- | z | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | 0.41 | g | ||||
2001 | ----- | z | ----- | z | ----- | z | 0.00 | a | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | i | ||
2002 | 0.00 | r | 0.01 | t | 0.00 | x | 0.15 | y | 0.35 | v | 0.70 | w | ----- | z | ----- | z | 2.10 | y | 1.00 | d | 0.00 | 1.50 | j | 1.00 | j | |
2003 | 0.00 | a | 0.00 | a | 1.20 | 0.00 | 0.00 | 0.84 | 0.00 | 1.20 | k | 0.16 | 1.90 | 0.50 | b | 0.10 | d | 4.70 | a | |||||||
2004 | 0.59 | h | 1.39 | c | 0.00 | h | 7.30 | d | 0.00 | c | 0.68 | b | 2.70 | 1.40 | g | 1.40 | 1.50 | 0.99 | 0.30 | 16.26 | c | |||||
2005 | 1.22 | ----- | z | ----- | z | 0.69 | a | 0.60 | b | 0.35 | 1.14 | 1.61 | 2.70 | 1.08 | d | 0.08 | 0.00 | 9.47 | b | |||||||
2006 | 0.05 | 0.00 | b | 0.19 | 0.43 | ----- | z | 1.61 | 2.99 | 3.08 | 2.95 | 3.40 | 0.20 | 3.60 | 18.50 | a | ||||||||||
2007 | 0.74 | 0.36 | 0.51 | 0.58 | 2.98 | 0.80 | ----- | z | 1.58 | 1.40 | 0.00 | 0.26 | 1.91 | 11.12 | a | |||||||||||
2008 | 0.65 | 0.75 | 0.41 | 0.00 | 0.80 | 0.00 | 4.48 | 5.40 | a | 1.80 | 1.65 | 0.55 | 0.82 | 17.31 | ||||||||||||
2009 | 0.13 | 0.11 | 0.55 | 0.48 | 1.26 | ----- | z | ----- | z | ----- | z | 2.98 | 2.10 | ----- | z | ----- | z | 7.61 | e | |||||||
2010 | 0.53 | a | 0.76 | ----- | z | 0.20 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.49 | i | ||
2011 | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | r | ----- | z | 2.05 | w | 3.80 | w | 0.94 | y | ----- | z | ----- | z | 2.04 | x | 0.00 | l |
2012 | ----- | z | ----- | z | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | j | ||
2013 | 0.00 | ----- | z | ----- | z | ----- | z | 0.00 | 0.00 | 2.80 | ----- | z | ----- | z | 0.70 | 0.00 | d | 0.08 | 3.58 | e | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.89 | 0.75 | 0.90 | 0.96 | 1.41 | 1.39 | 2.68 | 3.11 | 2.13 | 1.50 | 0.87 | 0.99 | 19.16 | |||||||||||||
S.D. | 0.84 | 0.65 | 0.65 | 1.33 | 1.38 | 1.35 | 1.54 | 1.61 | 1.39 | 1.23 | 0.80 | 0.93 | 4.39 | |||||||||||||
SKEW | 1.65 | 0.85 | 0.70 | 3.10 | 1.35 | 1.15 | 0.06 | 0.92 | 1.18 | 0.92 | 1.11 | 1.26 | 0.38 | |||||||||||||
MAX | 4.20 | 2.37 | 2.60 | 7.30 | 5.68 | 5.62 | 5.66 | 8.00 | 6.40 | 4.55 | 3.13 | 3.72 | 29.33 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.01 | 0.00 | 0.00 | 0.00 | 0.00 | 12.11 | |||||||||||||
YRS | 38 | 37 | 37 | 40 | 37 | 37 | 35 | 32 | 36 | 37 | 37 | 36 | 26 |