YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.02 | a | 2.09 | 1.84 | h | 0.00 | 0.06 | 0.16 | a | 0.02 | 2.35 | f | ||||
1954 | 1.95 | 0.32 | 2.30 | h | 0.00 | 0.02 | 0.68 | a | 0.82 | 0.33 | 0.01 | 0.00 | 0.00 | 0.22 | 4.35 | a | ||||||||||
1955 | 1.67 | 0.00 | 0.00 | 0.05 | 0.01 | 0.00 | 2.58 | c | 0.57 | 0.00 | 0.01 | 0.13 | 0.20 | 5.22 | ||||||||||||
1956 | 0.10 | 0.00 | 0.00 | 0.22 | 0.00 | 0.00 | 0.44 | 0.00 | 0.00 | 0.14 | 0.00 | 0.00 | 0.90 | |||||||||||||
1957 | ----- | z | 0.20 | q | 0.17 | a | 0.53 | 0.22 | 0.10 | 0.44 | 1.49 | 0.01 | 2.32 | 0.39 | 0.56 | 6.23 | b | |||||||||
1958 | 0.56 | 1.49 | 1.45 | 0.99 | 0.60 | 0.03 | 0.75 | 0.66 | 1.50 | 1.73 | 0.60 | 0.00 | 10.36 | |||||||||||||
1959 | 0.36 | 1.03 | 0.00 | 0.02 | 0.00 | 0.00 | 0.62 | 3.24 | 0.19 | 1.41 | 0.66 | 2.59 | 10.12 | |||||||||||||
1960 | 0.91 | 0.88 | 0.02 | 0.03 | 0.05 | 0.00 | 0.50 | 0.00 | 1.75 | 0.16 | 0.35 | 0.00 | 4.65 | |||||||||||||
1961 | 0.48 | 0.00 | 0.27 | 0.47 | 0.03 | 0.00 | 0.37 | 3.28 | 0.34 | 0.28 | 0.27 | 0.57 | 6.36 | |||||||||||||
1962 | 0.66 | 1.52 | 0.27 | 0.00 | 0.14 | 0.12 | 0.10 | 0.06 | 0.70 | 0.10 | 0.00 | 1.07 | 4.74 | |||||||||||||
1963 | 0.14 | 1.41 | 0.91 | 0.38 | 0.00 | 0.00 | 0.60 | 0.52 | 1.29 | 1.34 | 1.70 | 0.03 | 8.32 | |||||||||||||
1964 | 0.31 | 0.00 | 0.50 | 0.34 | 0.19 | 0.03 | 1.16 | 1.52 | 0.36 | 0.06 | 0.08 | 0.30 | 4.85 | |||||||||||||
1965 | ----- | z | 0.67 | 1.02 | 3.42 | 0.01 | 0.00 | 1.49 | 0.12 | 0.02 | 0.24 | 2.80 | 2.22 | 12.01 | a | |||||||||||
1966 | 0.20 | 1.08 | 0.49 | 0.00 | 0.00 | 0.22 | 0.08 | 0.33 | 0.06 | 0.16 | 0.56 | 1.86 | 5.04 | |||||||||||||
1967 | 0.60 | 0.00 | 0.48 | 0.63 | 0.07 | 0.00 | 0.87 | 1.04 | 1.22 | 0.00 | 0.75 | 2.08 | 7.74 | |||||||||||||
1968 | 0.18 | 0.38 | 0.78 | 0.08 | 0.08 | 0.82 | 2.29 | 0.11 | 0.11 | 0.41 | 0.21 | 0.19 | 5.64 | |||||||||||||
1969 | 1.91 | 1.13 | 0.72 | 0.00 | 0.25 | 0.00 | 0.40 | 0.47 | 1.23 | 0.07 | 0.43 | 0.00 | 6.61 | |||||||||||||
1970 | 0.08 | 0.06 | 2.03 | 0.10 | 0.00 | 0.00 | 0.13 | 1.26 | 0.04 | 0.00 | 0.43 | 0.19 | 4.32 | |||||||||||||
1971 | 0.00 | 0.51 | 0.00 | 0.04 | 0.55 | 0.00 | 0.17 | 3.44 | 0.32 | 0.87 | 0.00 | 0.92 | 6.82 | |||||||||||||
1972 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.92 | 0.59 | 0.31 | 0.71 | 1.29 | 1.37 | 0.23 | 5.42 | |||||||||||||
1973 | 0.75 | 1.47 | 3.21 | 0.00 | 0.19 | 0.01 | 0.10 | 0.57 | 0.00 | 0.00 | 0.98 | 0.01 | 7.29 | |||||||||||||
1974 | 1.55 | 0.02 | 0.85 | 0.03 | 0.03 | 0.00 | 2.15 | 0.27 | 0.10 | 0.41 | 0.49 | 0.72 | 6.62 | |||||||||||||
1975 | 0.15 | 0.42 | 0.91 | 0.45 | 0.00 | 0.00 | 0.10 | 0.11 | 0.29 | 0.18 | 0.43 | 0.22 | 3.26 | |||||||||||||
1976 | 0.00 | 2.48 | a | 0.46 | 1.50 | 0.18 | 0.00 | 0.32 | 0.00 | 4.45 | 0.66 | 0.11 | 0.52 | 10.68 | ||||||||||||
1977 | 0.73 | 0.00 | 0.24 | 0.27 | 0.79 | 0.05 | 1.63 | 2.21 | 0.01 | 0.04 | 0.09 | 0.40 | 6.46 | |||||||||||||
1978 | 3.79 | 2.11 | 2.91 | 1.19 | 0.06 | 0.00 | 0.75 | 0.14 | 0.00 | 2.57 | 1.46 | 1.82 | 16.80 | |||||||||||||
1979 | 1.81 | a | 0.46 | 2.77 | 0.00 | 0.25 | 0.05 | 2.54 | 1.26 | 0.00 | 0.46 | 0.00 | 0.56 | 10.16 | ||||||||||||
1980 | 3.00 | 2.62 | a | 1.37 | 0.72 | 0.12 | 0.00 | 0.27 | 0.00 | 0.61 | 0.05 | 0.00 | 0.05 | 8.81 | ||||||||||||
1981 | 0.26 | 0.49 | 2.29 | 0.03 | 0.83 | 0.09 | 0.38 | 0.99 | 3.81 | 0.80 | 0.40 | 0.00 | 10.37 | |||||||||||||
1982 | 0.76 | 1.17 | 1.52 | v | 0.15 | 0.25 | 0.00 | 0.61 | 1.56 | 0.34 | 0.11 | 0.53 | 1.88 | 7.36 | a | |||||||||||
1983 | 0.27 | 1.12 | 2.60 | 0.45 | 0.00 | 0.00 | 0.34 | 2.39 | 1.13 | 0.89 | 0.33 | 0.68 | 10.20 | |||||||||||||
1984 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 4.31 | 2.10 | 0.19 | 0.00 | 0.72 | 3.08 | 10.42 | |||||||||||||
1985 | 1.39 | 0.27 | 0.40 | 0.12 | 0.00 | 0.02 | 0.14 | 0.00 | 0.72 | 1.20 | 1.78 | 0.03 | 6.07 | |||||||||||||
1986 | 0.39 | 1.26 | 2.36 | 0.60 | 0.26 | 0.07 | 0.78 | 1.75 | 1.35 | 0.58 | 0.82 | 1.70 | 11.92 | |||||||||||||
1987 | 0.74 | 0.41 | 0.22 | 0.13 | 0.23 | 0.41 | 0.18 | 0.61 | 0.96 | 0.51 | 0.98 | 0.48 | 5.86 | |||||||||||||
1988 | 1.16 | a | 0.97 | 0.00 | 1.84 | 0.03 | 0.00 | 0.72 | 1.85 | 0.00 | 0.09 | 0.51 | 0.25 | 7.42 | ||||||||||||
1989 | 1.11 | 0.11 | 0.46 | 0.00 | 0.01 | 0.00 | 0.26 | 0.06 | 0.07 | 0.25 | 0.00 | 0.05 | 2.38 | |||||||||||||
1990 | 1.95 | 0.51 | 0.55 | 0.21 | 1.02 | 0.31 | 0.44 | 1.33 | 1.36 | 0.12 | 0.20 | 0.02 | a | 8.02 | ||||||||||||
1991 | 1.19 | 0.56 | 4.23 | 0.00 | 0.00 | 0.05 | 0.00 | 0.33 | 0.80 | 0.11 | 0.56 | ----- | z | 7.83 | a | |||||||||||
1992 | 1.15 | 2.51 | 5.03 | 0.13 | 0.34 | 0.00 | 0.00 | 0.49 | 0.02 | 1.45 | 0.00 | 2.20 | 13.32 | |||||||||||||
1993 | 5.27 | 3.31 | 0.78 | 0.00 | 0.01 | 0.00 | 0.00 | 1.00 | 0.28 | 0.38 | 0.60 | 0.23 | 11.86 | |||||||||||||
1994 | 0.13 | 0.40 | 1.66 | 0.16 | 0.30 | 0.00 | 0.66 | 0.03 | 0.03 | 0.44 | 0.73 | 0.95 | 5.49 | |||||||||||||
1995 | 2.88 | 1.07 | 1.36 | 0.13 | 0.17 | 0.00 | 0.00 | 0.06 | 0.26 | 0.00 | 0.06 | 0.03 | 6.02 | |||||||||||||
1996 | 0.21 | 0.80 | 0.14 | 0.00 | 0.04 | 0.00 | 0.00 | 0.57 | 0.21 | 0.18 | 1.14 | 0.00 | 3.29 | |||||||||||||
1997 | 1.85 | 1.15 | 0.00 | ----- | z | 0.10 | j | 0.01 | 0.03 | 1.78 | 2.11 | 0.00 | 0.33 | 0.82 | 8.08 | b | ||||||||||
1998 | 0.57 | 4.57 | 1.04 | 0.80 | 0.14 | 0.00 | 0.81 | 0.97 | 1.09 | 0.01 | 0.74 | 0.14 | 10.88 | |||||||||||||
1999 | 0.39 | 0.97 | 0.02 | 1.37 | 0.07 | 0.00 | 3.58 | 0.34 | 0.80 | 0.00 | 0.00 | 0.00 | 7.54 | |||||||||||||
2000 | 0.00 | a | 0.53 | 0.30 | 0.00 | 0.00 | 0.36 | 0.00 | 1.57 | 0.00 | 1.12 | 0.05 | 0.00 | 3.93 | ||||||||||||
2001 | 1.20 | 1.35 | 0.82 | 0.55 | 0.00 | 0.00 | 1.06 | 0.59 | 0.24 | 0.36 | 0.17 | 0.29 | 6.63 | |||||||||||||
2002 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.01 | c | 0.00 | 1.28 | 0.36 | 0.81 | 0.44 | 2.92 | ||||||||||||
2003 | 0.50 | 3.25 | 1.24 | 0.40 | 0.00 | 0.00 | 0.17 | 1.02 | 1.25 | 0.00 | 0.44 | 0.45 | 8.72 | |||||||||||||
2004 | 0.23 | 1.21 | 0.17 | 1.47 | 0.00 | 0.00 | 0.13 | 0.44 | 0.71 | 4.53 | 2.47 | 0.52 | 11.88 | |||||||||||||
2005 | 3.42 | 4.58 | 0.54 | 0.40 | 0.00 | 0.00 | 0.36 | 1.67 | 0.00 | 1.41 | 0.14 | 0.00 | 12.52 | |||||||||||||
2006 | 0.00 | 0.11 | 0.58 | d | 0.09 | 0.00 | 0.10 | a | 0.76 | 0.10 | 0.10 | 0.21 | 0.00 | 0.00 | 2.05 | |||||||||||
2007 | 0.18 | 0.33 | 0.15 | 0.00 | 0.00 | 0.00 | 0.88 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.54 | e | |||||||
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2009 | ----- | z | ----- | z | 0.00 | a | 0.03 | 0.00 | 0.00 | 0.45 | 0.44 | 0.00 | 0.00 | 0.04 | 1.01 | 1.97 | b | |||||||||
2010 | 3.22 | 0.38 | d | 0.43 | 0.00 | 0.00 | 0.00 | 0.25 | 0.07 | 0.04 | 1.28 | 0.02 | 1.33 | 7.02 | ||||||||||||
2011 | 0.00 | 2.99 | 0.51 | 0.43 | 0.29 | 0.00 | 0.33 | 0.24 | 0.39 | 0.16 | 0.51 | 0.69 | 6.54 | |||||||||||||
2012 | 0.01 | 0.12 | 0.32 | 0.59 | 0.00 | h | 0.00 | 2.10 | 0.82 | 0.06 | 0.48 | 0.00 | 1.48 | 5.98 | a | |||||||||||
2013 | 0.93 | a | 0.48 | a | 0.29 | 0.00 | 0.00 | 0.00 | 0.71 | b | 1.36 | 2.50 | a | 0.02 | 0.47 | 0.02 | 6.78 | |||||||||
2014 | 0.00 | d | 0.10 | d | 0.38 | b | 0.05 | i | 0.00 | c | 0.00 | d | 0.20 | f | 1.96 | e | 1.58 | c | 0.69 | b | 0.00 | a | 0.75 | b | 5.46 | b |
2015 | 0.62 | b | 0.00 | i | 1.38 | h | 0.00 | e | 0.04 | h | 0.64 | e | ----- | z | 0.30 | a | ----- | z | 0.10 | u | 0.00 | g | 0.00 | c | 1.56 | g |
2016 | 0.70 | e | 0.10 | 0.00 | 0.30 | 0.00 | 0.00 | 0.33 | 0.21 | 0.20 | f | 0.00 | b | 0.14 | b | 1.77 | a | 3.55 | a | |||||||
2017 | 0.61 | 0.00 | a | 0.30 | b | 0.00 | k | 0.00 | 0.00 | 0.00 | d | 0.00 | 0.14 | d | 0.00 | j | 0.00 | f | 0.00 | w | 1.05 | d | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.92 | 0.95 | 0.85 | 0.36 | 0.13 | 0.08 | 0.73 | 0.84 | 0.64 | 0.54 | 0.49 | 0.64 | 7.34 | |||||||||||||
S.D. | 1.09 | 1.09 | 1.08 | 0.59 | 0.22 | 0.20 | 0.89 | 0.87 | 0.89 | 0.79 | 0.59 | 0.77 | 3.23 | |||||||||||||
SKEW | 1.85 | 1.67 | 1.96 | 2.96 | 2.36 | 2.95 | 2.08 | 1.24 | 2.28 | 2.74 | 1.99 | 1.35 | 0.48 | |||||||||||||
MAX | 5.27 | 4.58 | 5.03 | 3.42 | 1.02 | 0.92 | 4.31 | 3.44 | 4.45 | 4.53 | 2.80 | 3.08 | 16.80 | |||||||||||||
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 | 0.90 | |||||||||||||
YRS | 60 | 60 | 60 | 60 | 60 | 64 | 62 | 62 | 61 | 61 | 61 | 61 | 50 |