YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.34 | s | 0.57 | 0.47 | 1.04 | j | ||
1952 | 1.37 | 0.99 | 1.75 | a | 0.33 | 1.75 | 1.53 | ----- | z | 0.00 | 1.68 | 0.00 | 0.53 | 0.27 | 10.20 | a | ||||||||||
1953 | 0.88 | 1.19 | 0.10 | 1.19 | 2.34 | 1.50 | 0.00 | 0.14 | 0.06 | 0.53 | 1.12 | 1.35 | 10.40 | |||||||||||||
1954 | 0.86 | 0.37 | 0.89 | 0.45 | 0.15 | 0.24 | 0.08 | 0.17 | 0.13 | 0.13 | 0.53 | 1.11 | 5.11 | |||||||||||||
1955 | 0.24 | 0.43 | 0.75 | 0.49 | 0.71 | 0.69 | 0.34 | 0.00 | 0.16 | 0.05 | 0.56 | 2.03 | 6.45 | |||||||||||||
1956 | 2.23 | 0.17 | 0.13 | 0.89 | 2.51 | 0.13 | 0.00 | 0.00 | 0.60 | 1.62 | 0.15 | 0.81 | 9.24 | |||||||||||||
1957 | 0.40 | 0.46 | 1.68 | 1.41 | 2.29 | 0.36 | 0.00 | 0.00 | 0.46 | 1.99 | 1.23 | 1.05 | 11.33 | |||||||||||||
1958 | 0.64 | 2.06 | 0.76 | 0.47 | 0.51 | 2.14 | 0.18 | 0.27 | 0.02 | 0.28 | 0.90 | 0.42 | 8.65 | |||||||||||||
1959 | 0.77 | 0.20 | 0.29 | 0.13 | 1.79 | 0.25 | 0.05 | 0.09 | 1.11 | 0.34 | 0.00 | 0.12 | 5.14 | |||||||||||||
1960 | 0.72 | 1.03 | 1.53 | 0.48 | 0.77 | 0.00 | 0.33 | 0.16 | 0.00 | 0.01 | 2.40 | 0.84 | 8.27 | |||||||||||||
1961 | 0.40 | 0.99 | 0.70 | 0.27 | 0.90 | 1.57 | 0.26 | 0.66 | 0.59 | 0.73 | 0.29 | 0.84 | 8.20 | |||||||||||||
1962 | 0.50 | 1.20 | 0.75 | 0.26 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.75 | 1.16 | 0.70 | 6.32 | e | |||||||
1963 | 0.45 | 1.16 | 0.49 | 1.15 | 1.35 | 1.21 | 0.07 | 0.43 | 0.42 | 0.37 | 0.97 | v | 0.47 | 7.57 | a | |||||||||||
1964 | 0.97 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.97 | k | |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1966 | ----- | z | ----- | z | ----- | z | 0.45 | i | 0.61 | 0.05 | 0.00 | 0.00 | 0.48 | 0.09 | 1.97 | 0.73 | 3.93 | d | ||||||||
1967 | 0.89 | 0.03 | 0.27 | 0.56 | 0.11 | 1.36 | 0.73 | 0.00 | 0.00 | 0.00 | 0.91 | 0.00 | 4.86 | |||||||||||||
1968 | 0.00 | 0.74 | 0.15 | 0.21 | 0.61 | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | 2.22 | 0.15 | 4.08 | d | ||||||||
1969 | ----- | z | ----- | z | ----- | z | 0.43 | 0.07 | 2.33 | 0.12 | 0.00 | 0.00 | 0.72 | 0.19 | 2.08 | 5.94 | c | |||||||||
1970 | 1.62 | 0.11 | 0.21 | 0.67 | 1.60 | 1.03 | 0.41 | 0.00 | 0.58 | 0.25 | 2.97 | 0.52 | s | 9.45 | a | |||||||||||
1971 | 0.38 | 0.15 | ----- | z | 0.39 | 1.89 | 1.82 | 0.67 | 0.00 | 1.75 | 0.81 | 0.39 | 0.92 | 9.17 | a | |||||||||||
1972 | 0.91 | 0.54 | 0.56 | 0.14 | 0.00 | 0.50 | 0.00 | 0.12 | 0.86 | 0.40 | 1.24 | 0.55 | 5.82 | |||||||||||||
1973 | 0.93 | a | 0.86 | 1.90 | 1.63 | ----- | z | 0.21 | 0.04 | 0.34 | 0.58 | ----- | z | 4.36 | j | 0.77 | d | 7.26 | c | |||||||
1974 | 0.71 | a | 0.59 | 1.70 | 0.52 | ----- | z | 0.00 | 0.50 | h | 0.08 | 0.00 | 0.71 | 0.25 | 0.72 | b | 5.28 | b | ||||||||
1975 | 0.91 | 0.94 | 2.27 | 0.87 | 0.08 | 2.33 | 0.13 | 0.90 | 0.00 | 1.10 | 0.51 | 0.77 | 10.81 | |||||||||||||
1976 | 0.95 | j | 0.59 | 0.57 | 0.61 | b | 0.40 | 0.72 | 0.52 | 1.89 | 1.07 | 0.14 | 0.10 | 0.00 | 6.61 | a | ||||||||||
1977 | 0.89 | 0.20 | 0.45 | 0.40 | 2.55 | 1.08 | ----- | z | 0.49 | p | 0.39 | 0.20 | 1.62 | 1.64 | 9.42 | b | ||||||||||
1978 | 1.35 | 0.64 | 1.56 | 3.06 | 0.08 | 0.13 | 0.29 | 0.28 | 0.92 | 0.00 | 0.29 | 0.84 | 9.44 | |||||||||||||
1979 | 1.59 | 0.95 | 0.93 | 1.25 | 0.22 | 1.09 | 0.18 | 2.34 | 0.00 | a | 0.93 | 2.03 | 0.65 | 12.16 | ||||||||||||
1980 | 1.86 | 1.28 | 1.46 | a | 0.88 | 2.18 | 1.22 | 0.41 | 0.00 | 1.48 | 0.48 | 0.77 | 0.27 | 12.29 | ||||||||||||
1981 | 1.28 | 0.72 | 1.50 | 0.24 | 1.59 | 0.42 | 0.14 | 0.22 | 0.42 | 1.18 | 1.88 | 2.20 | 11.79 | |||||||||||||
1982 | 0.66 | 0.71 | 0.84 | 0.17 | 0.22 | 0.62 | 1.17 | 0.00 | 1.62 | 1.15 | 0.77 | 0.79 | 8.72 | |||||||||||||
1983 | 0.56 | 0.90 | 2.41 | 2.00 | 1.46 | 0.68 | 0.20 | 1.78 | 0.90 | 0.54 | 2.08 | 3.47 | 16.98 | |||||||||||||
1984 | 0.35 | 0.82 | 1.96 | 0.87 | a | 0.57 | 1.51 | 0.11 | 1.06 | 0.08 | 1.75 | 1.63 | 0.25 | 10.96 | ||||||||||||
1985 | 0.26 | 1.02 | 0.57 | 1.16 | 0.05 | 0.06 | 0.44 | 0.04 | 0.83 | 0.14 | 1.35 | a | 0.50 | 6.42 | ||||||||||||
1986 | 0.55 | 2.83 | 2.05 | 1.68 | 0.69 | 0.00 | 0.08 | 0.24 | 1.21 | 0.14 | 0.47 | 0.45 | 10.39 | |||||||||||||
1987 | 0.65 | 0.96 | 1.17 | 1.05 | ----- | z | 2.61 | 0.61 | 0.00 | 0.00 | 0.48 | 0.97 | b | 0.24 | 8.74 | a | ||||||||||
1988 | 1.05 | a | 0.17 | 0.44 | 1.65 | 0.28 | 0.68 | a | 0.00 | 0.09 | 0.51 | 0.00 | 2.22 | 0.48 | 7.57 | |||||||||||
1989 | 0.90 | 0.53 | 1.03 | 0.71 | 1.88 | 0.19 | 0.00 | 0.56 | 0.53 | 0.39 | 0.44 | 0.19 | 7.35 | |||||||||||||
1990 | 0.23 | 0.89 | 0.64 | 1.23 | 1.24 | 0.00 | 0.29 | 0.98 | 0.08 | 0.15 | 0.19 | 0.29 | 6.21 | |||||||||||||
1991 | 0.21 | 1.53 | 1.12 | 1.32 | 2.69 | 1.24 | 0.00 | 0.00 | 0.84 | 1.49 | 0.67 | 0.32 | 11.43 | |||||||||||||
1992 | 0.01 | 0.34 | 0.93 | 0.42 | a | 0.06 | 0.94 | 0.03 | 0.00 | 0.02 | 1.66 | 1.50 | 2.19 | 8.10 | ||||||||||||
1993 | 1.67 | a | 0.74 | 2.26 | 1.12 | 1.42 | 1.33 | 0.21 | 2.43 | 0.30 | 0.90 | 0.55 | 0.60 | 13.53 | ||||||||||||
1994 | 0.03 | 1.34 | 0.33 | 1.06 | 0.97 | 0.13 | 0.20 | 0.01 | 0.24 | 0.08 | 1.33 | 1.49 | 7.21 | |||||||||||||
1995 | 1.18 | b | 0.03 | a | 1.15 | 1.09 | 1.84 | 1.02 | 0.66 | 0.02 | 0.06 | 0.11 | 0.75 | 3.20 | 11.11 | |||||||||||
1996 | 2.05 | 0.94 | 0.89 | 0.89 | 1.76 | 1.01 | 0.06 | 0.07 | 0.23 | 1.29 | a | 0.73 | 0.99 | a | 10.91 | |||||||||||
1997 | 1.19 | b | 0.08 | b | 0.68 | 1.91 | 0.82 | 1.60 | 0.37 | ----- | z | ----- | z | 0.40 | 0.36 | 0.54 | b | 7.95 | b | |||||||
1998 | 1.87 | 1.24 | 1.12 | 0.81 | 3.62 | 1.86 | 0.20 | 0.00 | 0.92 | 0.64 | 1.22 | 0.62 | c | 14.12 | ||||||||||||
1999 | 1.49 | 1.43 | 0.15 | a | 0.70 | 0.53 | 0.79 | 0.00 | 0.36 | 0.00 | 0.00 | 0.33 | a | 0.00 | b | 5.78 | ||||||||||
2000 | 1.59 | d | 1.15 | a | 0.88 | a | 0.85 | 0.78 | 0.11 | 0.00 | 0.00 | 0.26 | 1.46 | 0.63 | 0.10 | b | 7.81 | |||||||||
2001 | 0.00 | g | 0.19 | f | 1.21 | a | 0.84 | a | 0.00 | 0.03 | 1.48 | 0.85 | 0.20 | 0.25 | 0.00 | h | 1.37 | 6.23 | c | |||||||
2002 | 0.69 | d | 0.91 | b | 1.02 | d | 0.83 | 0.18 | 0.12 | 0.00 | 0.08 | 0.53 | 0.14 | 0.48 | 0.10 | b | 5.08 | |||||||||
2003 | 0.53 | 0.30 | a | 0.62 | c | 0.70 | 1.48 | 0.00 | 0.00 | 0.77 | 0.39 | ----- | z | 1.16 | a | 1.57 | c | 7.52 | a | |||||||
2004 | 0.00 | g | 0.86 | c | 0.74 | a | 0.25 | 1.58 | 0.12 | 0.13 | 0.45 | 0.22 | 1.81 | 0.76 | 0.67 | e | 7.59 | a | ||||||||
2005 | 0.79 | a | 0.76 | a | 0.69 | 0.95 | a | 3.37 | 0.66 | 0.00 | 0.00 | 0.16 | 0.94 | 1.11 | 1.45 | 10.88 | ||||||||||
2006 | 0.53 | 0.38 | 1.63 | 3.03 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 5.57 | h | |||
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2008 | ----- | z | ----- | z | ----- | z | 0.00 | w | 1.39 | b | 0.31 | 0.23 | 0.00 | g | 0.09 | 0.32 | 1.73 | 0.47 | b | 4.54 | e | |||||
2009 | 0.47 | 0.07 | 0.30 | 0.62 | 1.14 | 3.79 | 0.00 | 0.21 | 0.10 | 0.31 | 0.41 | 0.38 | 7.80 | |||||||||||||
2010 | 0.43 | 0.39 | 0.52 | a | 1.39 | 1.45 | a | 0.34 | 0.00 | a | 0.10 | a | 0.28 | 2.44 | a | 0.57 | a | 1.75 | a | 9.66 | ||||||
2011 | 0.05 | 0.04 | a | 1.21 | b | 2.06 | 2.15 | b | 1.59 | 0.75 | 0.00 | 0.00 | a | 0.81 | 0.10 | b | 0.20 | a | 8.96 | |||||||
2012 | 0.65 | 0.29 | a | 0.40 | 1.14 | 0.42 | 0.14 | 0.00 | 0.00 | 0.05 | 0.35 | 0.19 | c | 1.28 | 4.91 | |||||||||||
2013 | 0.84 | 0.28 | 0.29 | 0.65 | 1.22 | 0.77 | 0.22 | 0.08 | 1.28 | b | 0.30 | 0.38 | 0.07 | e | 6.38 | |||||||||||
2014 | 0.33 | a | 1.21 | a | 1.70 | 0.66 | 0.37 | 0.39 | 0.27 | 0.61 | 1.41 | 0.30 | 1.22 | 2.70 | 11.17 | |||||||||||
2015 | 0.23 | a | 0.62 | a | 1.08 | 0.74 | 2.16 | a | 0.03 | 1.26 | 0.23 | 0.23 | 1.58 | 0.81 | 3.12 | a | 12.09 | |||||||||
2016 | 1.14 | 0.27 | 1.07 | 0.78 | 1.91 | 0.35 | 0.02 | 0.00 | 0.12 | 0.66 | 0.03 | 2.23 | 8.58 | |||||||||||||
2017 | 2.87 | 1.25 | 1.66 | 1.70 | 0.74 | 0.07 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 8.22 | g | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.86 | 0.74 | 0.98 | 0.92 | 1.16 | 0.83 | 0.24 | 0.34 | 0.47 | 0.65 | 0.91 | 0.93 | 9.07 | |||||||||||||
S.D. | 0.60 | 0.53 | 0.60 | 0.62 | 0.90 | 0.80 | 0.33 | 0.57 | 0.49 | 0.61 | 0.68 | 0.84 | 2.80 | |||||||||||||
SKEW | 1.02 | 1.18 | 0.55 | 1.44 | 0.60 | 1.25 | 2.00 | 2.32 | 1.07 | 1.01 | 0.92 | 1.31 | 0.43 | |||||||||||||
MAX | 2.87 | 2.83 | 2.41 | 3.06 | 3.62 | 3.79 | 1.48 | 2.43 | 1.75 | 2.44 | 2.97 | 3.47 | 16.98 | |||||||||||||
MIN | 0.00 | 0.03 | 0.10 | 0.13 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 4.86 | |||||||||||||
YRS | 58 | 59 | 59 | 61 | 58 | 59 | 57 | 56 | 58 | 58 | 59 | 61 | 43 |