YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | 0.49 | 0.07 | 0.00 | 0.00 | 0.51 | 0.01 | 0.19 | 0.20 | 1.47 | d | ||||||||
1959 | 3.15 | 4.21 | 0.28 | 0.18 | 0.05 | 0.00 | 0.00 | 0.00 | 4.52 | 0.01 | 0.00 | 0.45 | 12.85 | |||||||||||||
1960 | 2.85 | 3.49 | 0.43 | 0.95 | 0.14 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 2.19 | 0.56 | 10.62 | |||||||||||||
1961 | 1.50 | 0.95 | 1.67 | 0.69 | 0.24 | 0.18 | 0.00 | 0.00 | 0.00 | 0.03 | 1.44 | 0.61 | 7.31 | |||||||||||||
1962 | 2.68 | 5.90 | 1.55 | 0.10 | 0.05 | 0.09 | 0.00 | 0.02 | 0.00 | 0.61 | 0.38 | 1.78 | 13.16 | |||||||||||||
1963 | 2.95 | 2.20 | 3.25 | 3.17 | 0.17 | 0.00 | 0.00 | 0.02 | 0.36 | 1.46 | 2.42 | 0.26 | 16.26 | |||||||||||||
1964 | 2.29 | 0.10 | 2.46 | 0.31 | 0.75 | 0.36 | 0.00 | 0.20 | 0.00 | 0.85 | 2.72 | 5.48 | 15.52 | |||||||||||||
1965 | 1.14 | 0.39 | 1.79 | 1.31 | 0.00 | 0.00 | 0.00 | 0.42 | 0.02 | 0.13 | 4.20 | 4.25 | 13.65 | |||||||||||||
1966 | 1.26 | 1.17 | 0.10 | 0.14 | 0.01 | 0.01 | 0.23 | 0.00 | 0.18 | 0.00 | 2.23 | 3.73 | 9.06 | |||||||||||||
1967 | 4.40 | 0.33 | 2.93 | 5.69 | 0.09 | 0.58 | 0.00 | 0.00 | 0.16 | 0.08 | 1.35 | 1.87 | 17.48 | |||||||||||||
1968 | 1.93 | 0.97 | 2.05 | 0.32 | 0.09 | 0.00 | 0.00 | 0.06 | 0.00 | 0.29 | 1.96 | 3.28 | 10.95 | |||||||||||||
1969 | 8.53 | 6.24 | 1.21 | 1.76 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.70 | 0.90 | 3.98 | 23.35 | |||||||||||||
1970 | 5.34 | 1.68 | 1.90 | 0.00 | 0.00 | 0.47 | 0.00 | 0.00 | 0.00 | 0.35 | 4.56 | a | 4.44 | 18.74 | ||||||||||||
1971 | 0.00 | 0.55 | 1.22 | 1.50 | 0.51 | 0.01 | 0.00 | 0.00 | 0.09 | 0.00 | 1.45 | 3.45 | c | 8.78 | ||||||||||||
1972 | 0.98 | 0.74 | 0.06 | 0.52 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 1.54 | 4.66 | 2.86 | 11.38 | |||||||||||||
1973 | 4.93 | 5.30 | 3.97 | 0.04 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 1.90 | 3.65 | 5.90 | 25.71 | |||||||||||||
1974 | 2.96 | 0.81 | 3.90 | 3.38 | 0.00 | 0.34 | 0.35 | 0.00 | 0.00 | 1.53 | 0.29 | 1.63 | 15.19 | |||||||||||||
1975 | 1.23 | 4.13 | 3.50 | 1.41 | 0.00 | 0.00 | 0.02 | 0.39 | 0.00 | 1.72 | 0.76 | 0.27 | 13.43 | |||||||||||||
1976 | 0.27 | 0.99 | 2.06 | 1.02 | 0.00 | 0.05 | 0.00 | 0.89 | 1.27 | 0.30 | 0.65 | 1.59 | 9.09 | |||||||||||||
1977 | 2.27 | 0.23 | 1.04 | 0.13 | 0.74 | 0.00 | 0.00 | 0.00 | 0.18 | 0.00 | 0.54 | 4.85 | 9.98 | |||||||||||||
1978 | 4.90 | d | 3.89 | a | 3.91 | b | 3.52 | a | 0.00 | 0.00 | 0.00 | 0.00 | 0.28 | 0.00 | 2.13 | ----- | z | 18.63 | a | |||||||
1979 | 3.84 | b | 3.92 | d | 2.08 | c | 0.36 | 0.04 | 0.00 | 0.15 | 0.00 | 0.00 | 1.72 | 1.59 | a | 2.35 | b | 16.05 | ||||||||
1980 | 3.90 | a | 4.00 | b | 1.58 | a | 0.68 | 0.14 | a | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 1.36 | 12.33 | |||||||||
1981 | 4.41 | 1.56 | 2.67 | a | 0.84 | 0.00 | b | 0.00 | 0.00 | 0.00 | 0.00 | 1.26 | 4.01 | c | 1.27 | 16.02 | ||||||||||
1982 | 4.77 | 1.95 | 5.42 | 1.81 | ----- | z | 0.18 | 0.00 | 0.00 | 0.00 | b | 0.81 | 5.04 | a | 2.64 | 22.62 | a | |||||||||
1983 | 5.05 | 5.09 | a | 6.89 | 2.26 | 0.33 | 0.00 | 0.00 | 0.25 | 1.03 | 0.60 | 4.67 | 2.37 | b | 28.54 | |||||||||||
1984 | 0.12 | 1.47 | 0.99 | 0.56 | 0.00 | 0.07 | 0.00 | 0.00 | 0.00 | 0.75 | 3.42 | 1.54 | 8.92 | |||||||||||||
1985 | 0.36 | 1.26 | 3.46 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | ----- | z | 2.10 | a | 0.76 | a | 8.04 | a | |||||||||
1986 | 1.29 | 4.13 | 5.81 | a | 1.26 | 0.00 | 0.00 | 0.00 | 0.00 | 0.97 | 0.00 | 0.00 | 0.68 | 14.14 | ||||||||||||
1987 | 2.69 | 3.11 | 2.23 | ----- | z | 0.00 | ----- | z | 0.00 | 0.00 | 0.00 | 0.73 | 1.24 | 0.12 | i | 10.00 | c | |||||||||
1988 | 0.56 | 0.77 | 0.08 | 1.03 | 0.90 | 0.39 | 0.00 | 0.00 | 0.00 | 0.08 | 1.63 | 2.68 | b | 8.12 | ||||||||||||
1989 | 0.49 | 2.03 | 0.70 | b | 0.59 | 0.04 | 0.00 | 0.00 | ----- | z | 0.93 | 1.20 | 1.15 | 0.07 | 7.20 | a | ||||||||||
1990 | 2.11 | 1.76 | 1.39 | 0.55 | ----- | z | 0.00 | 0.00 | 0.00 | 0.08 | 0.15 | 0.28 | 0.64 | 6.96 | a | |||||||||||
1991 | 0.25 | 1.69 | 9.34 | 0.25 | a | 0.05 | 0.00 | 0.00 | 0.05 | a | 0.08 | 0.94 | 0.00 | a | 2.28 | 14.93 | ||||||||||
1992 | 1.77 | 5.44 | a | 2.52 | b | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.90 | 0.00 | 3.45 | 14.15 | |||||||||||
1993 | 7.74 | 4.41 | b | 2.20 | b | 0.30 | 0.82 | 0.43 | 0.00 | 0.00 | 0.00 | 0.18 | 0.81 | 1.37 | a | 18.26 | ||||||||||
1994 | 2.09 | a | 3.39 | a | 0.63 | 1.43 | 2.01 | 0.02 | a | 0.00 | 0.00 | 0.07 | 0.36 | 2.76 | d | 1.64 | c | 14.40 | ||||||||
1995 | 5.71 | e | 0.39 | 5.53 | c | 1.55 | b | 0.49 | b | 0.59 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 2.29 | 16.69 | |||||||||
1996 | 2.67 | 4.76 | 1.91 | 0.75 | 1.09 | 0.01 | 0.01 | 0.02 | 0.06 | 0.65 | 3.38 | 5.92 | 21.23 | |||||||||||||
1997 | 7.11 | 0.16 | 0.19 | 0.22 | 0.05 | 0.07 | 0.00 | 0.00 | 0.00 | 0.13 | 4.84 | 3.86 | 16.63 | |||||||||||||
1998 | 7.09 | 11.10 | 3.04 | 2.16 | 2.32 | 0.09 | 0.00 | 0.00 | 0.09 | 0.55 | 2.73 | 0.92 | 30.09 | |||||||||||||
1999 | 2.52 | 3.45 | 2.30 | 1.33 | 0.04 | 0.24 | 0.00 | 0.02 | 0.05 | 0.11 | 1.28 | 0.26 | 11.60 | |||||||||||||
2000 | 5.99 | 5.58 | 2.15 | 0.58 | 0.26 | 0.02 | 0.00 | 0.19 | 0.06 | 2.30 | 0.35 | 0.54 | 18.02 | |||||||||||||
2001 | 3.02 | 3.56 | 1.86 | 1.67 | 0.01 | 0.01 | 0.00 | 0.00 | 0.16 | 0.08 | 2.42 | 4.57 | 17.36 | |||||||||||||
2002 | 0.87 | 0.90 | 1.29 | 0.36 | 0.12 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 1.77 | 5.49 | 10.83 | |||||||||||||
2003 | 1.25 | 1.13 | 0.82 | 2.42 | 0.53 | 0.02 | 0.00 | 0.13 | 0.01 | 0.29 | 0.89 | 4.65 | 12.14 | |||||||||||||
2004 | 1.45 | 3.86 | 0.55 | 0.02 | 0.03 | 0.00 | 0.03 | 0.00 | 0.03 | 2.62 | 0.50 | 4.97 | 14.06 | |||||||||||||
2005 | 3.15 | 3.30 | 4.67 | 1.24 | 0.64 | 0.25 | 0.04 | 0.01 | 0.02 | 0.11 | 0.78 | 3.25 | 17.46 | |||||||||||||
2006 | 3.02 | 0.93 | 5.34 | 2.79 | 0.79 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 2.01 | a | 2.64 | 17.64 | ||||||||||||
2007 | 1.07 | 2.60 | 0.39 | 1.03 | 0.13 | 0.00 | 0.00 | 0.01 | 0.55 | 0.98 | 0.46 | 1.37 | 8.59 | |||||||||||||
2008 | 5.33 | 2.64 | 0.34 | 0.24 | 0.00 | 0.04 | 0.02 | 0.00 | 0.03 | 0.23 | i | 1.07 | e | 2.67 | 12.38 | a | ||||||||||
2009 | 1.52 | 4.36 | b | 1.83 | 0.22 | 0.33 | 0.07 | 0.00 | 0.43 | 0.10 | 2.03 | 0.24 | 1.90 | c | 13.03 | |||||||||||
2010 | 4.48 | 3.70 | 2.71 | 3.33 | 0.86 | 0.04 | 0.03 | 0.11 | 0.00 | 0.65 | 2.22 | 3.53 | 21.66 | |||||||||||||
2011 | 1.49 | 3.43 | s | 4.12 | q | 0.21 | b | 0.72 | x | 0.34 | y | ----- | z | ----- | z | ----- | z | ----- | z | 2.02 | u | ----- | z | 1.70 | j | |
2012 | 1.01 | g | 0.92 | d | 2.37 | a | 2.05 | b | 0.12 | a | 0.00 | d | 0.00 | k | 0.04 | b | 0.00 | e | 0.18 | n | 3.09 | 3.97 | 12.56 | c | ||
2013 | 0.95 | 0.60 | 0.72 | 0.36 | 0.00 | 0.00 | r | 0.00 | 0.07 | 0.14 | 0.23 | 0.49 | 0.32 | 3.88 | a | |||||||||||
2014 | 0.12 | 4.18 | 1.53 | 0.92 | 0.01 | 0.00 | 0.02 | 0.00 | 0.15 | 0.65 | 2.33 | 7.45 | 17.36 | |||||||||||||
2015 | 0.00 | 1.01 | 0.42 | 0.68 | 0.27 | 0.15 | 0.07 | 0.05 | 0.00 | 0.23 | 3.30 | k | 3.03 | 5.91 | a | |||||||||||
2016 | 5.66 | 0.70 | 4.36 | 0.67 | 0.14 | 0.01 | 0.00 | 0.05 | 0.00 | 1.91 | 1.50 | c | 0.00 | v | 15.00 | a | ||||||||||
2017 | 7.79 | 5.95 | 1.98 | 1.46 | 0.03 | a | 0.07 | b | 0.00 | k | 0.01 | f | 0.08 | 0.25 | a | 1.07 | 0.10 | 18.78 | b | |||||||
2018 | 2.50 | h | 0.17 | 3.47 | b | 2.65 | 0.09 | c | 0.00 | t | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 6.38 | h | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 2.92 | 2.65 | 2.32 | 1.14 | 0.28 | 0.09 | 0.03 | 0.06 | 0.21 | 0.63 | 1.74 | 2.50 | 15.06 | |||||||||||||
S.D. | 2.22 | 2.12 | 1.85 | 1.12 | 0.46 | 0.15 | 0.10 | 0.15 | 0.63 | 0.69 | 1.43 | 1.81 | 5.13 | |||||||||||||
SKEW | 0.72 | 1.19 | 1.37 | 1.64 | 2.65 | 1.98 | 4.85 | 3.67 | 5.62 | 1.14 | 0.75 | 0.56 | 0.97 | |||||||||||||
MAX | 8.53 | 11.10 | 9.34 | 5.69 | 2.32 | 0.59 | 0.67 | 0.89 | 4.52 | 2.62 | 5.04 | 7.45 | 30.09 | |||||||||||||
MIN | 0.00 | 0.10 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 7.31 | |||||||||||||
YRS | 58 | 59 | 59 | 59 | 58 | 57 | 57 | 57 | 59 | 56 | 58 | 56 | 46 |