YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.29 | 0.49 | 0.00 | 0.96 | 1.74 | h | ||||
1969 | 2.50 | 1.37 | 0.24 | 0.28 | 0.37 | 2.41 | 1.46 | 1.83 | 0.59 | 0.38 | 0.33 | 0.10 | 11.86 | |||||||||||||
1970 | 0.77 | 0.01 | 0.48 | 0.12 | 0.03 | 2.11 | 0.65 | 0.82 | 1.03 | 0.56 | 0.38 | 0.38 | 7.34 | |||||||||||||
1971 | 0.22 | 0.35 | 0.03 | 0.61 | 0.80 | 0.17 | 0.68 | 0.89 | 0.24 | 3.26 | 0.22 | 1.51 | 8.98 | |||||||||||||
1972 | 0.00 | 0.00 | 0.00 | 0.19 | 0.21 | 0.66 | 0.33 | 0.91 | 1.33 | 4.34 | 0.83 | 0.68 | 9.48 | |||||||||||||
1973 | 0.58 | 0.97 | 1.03 | 0.49 | 0.28 | 1.26 | 1.72 | 1.20 | 0.34 | 0.26 | 0.25 | 0.50 | 8.88 | |||||||||||||
1974 | 0.70 | 0.03 | 0.00 | 0.06 | 0.00 | 0.00 | 0.34 | 0.06 | 0.16 | 3.87 | 0.36 | 0.25 | 5.83 | |||||||||||||
1975 | 0.76 | 0.69 | 1.11 | 0.00 | 0.74 | 0.92 | 1.54 | 0.06 | 1.26 | 0.00 | i | 0.41 | 0.08 | 7.57 | a | |||||||||||
1976 | 0.00 | 1.16 | 0.20 | 0.91 | 0.77 | 0.13 | 0.39 | 0.30 | 1.62 | 0.37 | 0.00 | ----- | z | 5.85 | a | |||||||||||
1977 | 0.60 | 0.10 | 0.00 | 0.00 | 1.53 | 0.11 | 2.35 | 1.13 | 0.29 | ----- | z | ----- | z | ----- | z | 6.11 | c | |||||||||
1978 | 1.59 | 1.61 | ----- | z | ----- | z | 0.14 | h | 0.00 | 0.70 | 0.15 | 0.00 | 0.18 | b | 3.47 | 0.77 | 8.47 | c | ||||||||
1979 | 1.18 | 0.70 | 2.38 | 0.10 | 0.71 | 0.00 | 0.30 | 0.76 | 0.00 | 0.27 | 0.33 | 0.22 | c | 6.95 | ||||||||||||
1980 | 2.57 | b | 3.81 | 1.25 | 0.31 | 1.60 | 0.64 | 0.71 | 0.98 | 2.73 | 2.64 | 0.22 | 0.00 | 17.46 | ||||||||||||
1981 | 0.11 | a | 0.21 | 1.95 | 0.86 | 0.54 | a | 0.16 | 0.22 | a | 1.62 | 1.26 | c | 3.43 | c | 0.09 | 0.42 | 10.87 | ||||||||
1982 | 1.64 | d | 0.17 | 1.43 | a | 0.00 | 0.80 | y | 0.21 | 0.65 | 1.18 | 3.06 | 0.29 | 1.78 | 0.73 | 11.14 | a | |||||||||
1983 | 0.93 | 1.26 | a | 1.42 | 0.51 | 1.01 | b | 0.58 | 1.85 | 1.18 | 1.55 | 0.65 | 1.20 | 0.39 | 12.53 | |||||||||||
1984 | 0.06 | 0.19 | 0.10 | 0.00 | 0.00 | 1.02 | 0.77 | 1.87 | 1.07 | 1.78 | 0.45 | b | 1.11 | b | 8.42 | |||||||||||
1985 | 0.52 | 0.14 | 0.82 | 0.69 | a | 1.32 | 0.49 | 3.14 | 0.04 | 1.71 | 0.41 | 0.68 | 0.91 | a | 10.87 | |||||||||||
1986 | 0.15 | 1.85 | a | 0.69 | a | 1.19 | 0.37 | 0.10 | 1.12 | 0.93 | a | 1.99 | 1.42 | ----- | z | 0.00 | 9.81 | a | ||||||||
1987 | 0.70 | 1.50 | 2.00 | 0.33 | a | 1.54 | 0.74 | 2.28 | 1.61 | 0.15 | 0.40 | g | 0.98 | b | 1.50 | a | 13.33 | a | ||||||||
1988 | 0.90 | 0.00 | 0.03 | 1.95 | 0.83 | d | 0.17 | 0.24 | 0.26 | n | 0.59 | a | 0.46 | 0.21 | 0.02 | d | 5.40 | a | ||||||||
1989 | 0.51 | j | 0.09 | a | 0.43 | 0.02 | 0.31 | 0.11 | 0.81 | 2.37 | o | 0.90 | c | 0.45 | b | 0.08 | 0.01 | 3.21 | b | |||||||
1990 | 0.24 | b | 0.54 | 0.75 | d | 0.46 | 0.54 | 0.60 | a | 0.47 | b | 0.56 | h | 1.41 | a | 0.48 | i | 0.11 | a | 0.34 | 5.46 | b | ||||
1991 | 0.27 | a | 0.09 | 1.25 | c | 0.11 | c | 0.59 | c | 1.10 | f | 0.11 | 0.92 | c | 1.51 | g | 0.32 | c | 0.36 | b | ----- | z | 4.02 | c | ||
1992 | 0.75 | 1.10 | 0.74 | 0.10 | 2.34 | 0.15 | 1.30 | 0.47 | 0.75 | 1.23 | 0.60 | 1.17 | c | 10.70 | ||||||||||||
1993 | 2.21 | d | 1.95 | c | 1.54 | a | 0.30 | 0.51 | 0.40 | 0.01 | 1.36 | 0.21 | 1.90 | a | 0.43 | 0.12 | 10.94 | |||||||||
1994 | 0.00 | 1.20 | 0.06 | a | 1.92 | d | 0.00 | 0.10 | 0.15 | a | 1.55 | a | 1.19 | 2.20 | a | 0.51 | c | 0.52 | 9.40 | |||||||
1995 | 1.03 | c | 0.17 | b | 1.12 | c | 1.47 | b | 1.83 | e | 1.53 | g | 0.69 | b | 2.00 | 0.98 | g | ----- | z | ----- | z | ----- | z | 8.31 | e | |
1996 | 0.73 | 0.32 | 1.46 | 0.33 | 1.58 | 0.75 | 0.34 | 0.02 | 2.27 | 1.09 | 1.26 | 0.41 | 10.56 | |||||||||||||
1997 | 2.36 | 0.15 | 0.00 | 1.36 | 1.65 | 2.14 | 1.86 | 4.21 | 3.12 | ----- | z | 0.37 | 0.13 | 17.35 | a | |||||||||||
1998 | 0.50 | 1.99 | a | 0.30 | 0.55 | 0.19 | 1.04 | 0.24 | 0.74 | 1.05 | 1.50 | 0.82 | 0.00 | 8.92 | ||||||||||||
1999 | 0.45 | 0.21 | 0.00 | 2.01 | 0.20 | 0.61 | 1.41 | 2.08 | 0.44 | 0.00 | 0.00 | 0.29 | 7.70 | |||||||||||||
2000 | 1.19 | 1.57 | a | 0.57 | 0.17 | 0.63 | 0.95 | 0.08 | 0.60 | 0.97 | 2.70 | 0.08 | 0.21 | 9.72 | ||||||||||||
2001 | 0.91 | a | 0.89 | 1.13 | 0.66 | a | 0.21 | 0.28 | 0.87 | a | 0.68 | a | 0.23 | 0.08 | 0.57 | 0.39 | 6.90 | |||||||||
2002 | 0.00 | a | 0.01 | p | 0.30 | e | 0.07 | 0.00 | 0.02 | 0.26 | m | 0.64 | 2.87 | 0.60 | 0.63 | 0.51 | 5.64 | b | ||||||||
2003 | 0.13 | 0.48 | 0.96 | m | 0.28 | 0.56 | 0.12 | 0.60 | 0.78 | 0.40 | 0.20 | 0.47 | c | 1.32 | 5.34 | a | ||||||||||
2004 | 0.59 | ----- | z | 0.03 | 0.92 | 0.00 | 0.61 | 0.63 | 0.57 | 1.67 | 3.33 | 1.48 | 0.78 | 10.61 | a | |||||||||||
2005 | 2.11 | 1.25 | 0.70 | 0.11 | a | 0.56 | 1.20 | 0.12 | 0.81 | 0.72 | 1.45 | 0.30 | 0.23 | 9.56 | ||||||||||||
2006 | 0.93 | 0.02 | 0.84 | 0.13 | 0.15 | 0.92 | 0.17 | 1.08 | 0.53 | 2.46 | 0.11 | 0.42 | 7.76 | |||||||||||||
2007 | 0.21 | 0.19 | 0.11 | 0.46 | 0.44 | 0.00 | 0.03 | 0.88 | 1.79 | 0.19 | 0.00 | 1.80 | 6.10 | |||||||||||||
2008 | 1.07 | ----- | z | 0.09 | ----- | z | 0.73 | 0.34 | 0.29 | 0.27 | 1.45 | 1.09 | 0.40 | 1.31 | 7.04 | b | ||||||||||
2009 | 0.25 | 0.68 | 0.07 | 0.31 | 1.10 | 1.95 | 0.15 | 0.84 | 0.39 | 0.35 | 0.01 | 0.97 | 7.07 | |||||||||||||
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.25 | 0.15 | 1.82 | 4.22 | i | |||
2011 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.62 | 0.17 | 0.00 | 1.79 | h | ||||
2012 | 0.53 | 0.38 | 0.10 | 0.17 | a | 0.00 | 0.00 | 1.61 | 0.53 | 0.90 | 0.64 | 0.06 | 1.00 | 5.92 | ||||||||||||
2013 | 0.37 | 0.03 | 0.35 | ----- | z | 0.78 | 0.00 | 1.56 | a | 1.36 | a | 2.28 | 1.36 | 0.41 | 0.16 | 8.66 | a | |||||||||
2014 | 0.02 | 0.38 | 0.27 | 0.14 | 0.57 | 0.00 | 0.84 | 2.20 | 2.42 | 0.17 | 0.15 | 0.41 | 7.57 | |||||||||||||
2015 | 0.35 | 0.02 | 0.64 | 0.15 | 2.11 | 0.57 | 1.06 | 1.39 | ----- | z | ----- | z | 0.71 | ----- | z | 7.00 | c | |||||||||
2016 | ----- | z | ----- | z | ----- | z | 1.49 | ----- | z | ----- | z | 0.27 | 0.53 | 4.48 | 0.74 | 0.28 | ----- | z | 7.79 | f | ||||||
2017 | 2.75 | 0.59 | 1.18 | 0.17 | 0.25 | 0.12 | 1.08 | 0.81 | 1.38 | h | ----- | z | 0.22 | ----- | z | 7.17 | c | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.79 | 0.71 | 0.66 | 0.51 | 0.69 | 0.56 | 0.83 | 1.02 | 1.22 | 1.26 | 0.49 | 0.58 | 9.16 | |||||||||||||
S.D. | 0.76 | 0.78 | 0.63 | 0.56 | 0.61 | 0.63 | 0.71 | 0.75 | 1.00 | 1.17 | 0.59 | 0.51 | 2.51 | |||||||||||||
SKEW | 1.18 | 1.74 | 0.82 | 1.41 | 0.96 | 1.44 | 1.16 | 1.82 | 1.10 | 1.02 | 3.08 | 0.87 | 1.30 | |||||||||||||
MAX | 2.75 | 3.81 | 2.38 | 2.01 | 2.34 | 2.41 | 3.14 | 4.21 | 4.48 | 4.34 | 3.47 | 1.82 | 17.46 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 5.83 | |||||||||||||
YRS | 46 | 43 | 44 | 44 | 44 | 44 | 46 | 44 | 44 | 42 | 47 | 43 | 26 |