YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.11 | 0.00 | 0.67 | 0.33 | 0.45 | 0.65 | ----- | z | ||||||
1949 | 0.30 | 0.46 | 0.22 | 0.12 | 0.96 | d | 0.39 | 0.00 | 0.08 | 0.13 | 0.56 | 0.40 | 0.34 | 0.96 | d | |||||||||||
1950 | 0.65 | 0.08 | 0.64 | 0.48 | 0.67 | 0.43 | 0.40 | 0.48 | 0.66 | 0.35 | 0.49 | 1.04 | 1.04 | |||||||||||||
1951 | 0.38 | 0.48 | 0.45 | 0.72 | 0.50 | 0.11 | 0.03 | 0.30 | 0.00 | 0.72 | 0.58 | 0.78 | 0.78 | |||||||||||||
1952 | 0.80 | 0.37 | 0.47 | 0.33 | 0.71 | 0.60 | 0.48 | 0.10 | 0.21 | 0.05 | 0.21 | 0.14 | 0.80 | |||||||||||||
1953 | 0.54 | 0.22 | 0.30 | 0.66 | 1.14 | 0.40 | 0.00 | 0.24 | 0.07 | 0.37 | 0.31 | 0.14 | 1.14 | |||||||||||||
1954 | 0.31 | 0.53 | 0.80 | 0.11 | 0.00 | 0.63 | 0.21 | 0.12 | 0.04 | 0.05 | 0.18 | 0.29 | 0.80 | |||||||||||||
1955 | 0.60 | 0.35 | 0.25 | a | 0.94 | 0.81 | 0.39 | 0.46 | 0.00 | 0.30 | 0.26 | 0.17 | 0.66 | 0.94 | a | |||||||||||
1956 | 0.66 | 0.25 | 0.35 | 0.36 | 0.64 | 0.56 | 0.15 | 0.00 | 0.55 | 0.45 | 0.17 | 0.56 | 0.66 | |||||||||||||
1957 | 0.44 | 0.26 | 0.62 | 0.72 | 0.65 | 0.22 | 0.05 | 0.04 | 0.13 | 0.58 | 1.00 | 0.33 | 1.00 | |||||||||||||
1958 | 0.22 | 0.57 | 0.39 | 0.28 | 0.23 | 0.85 | 0.07 | 0.44 | 0.25 | 0.31 | 0.86 | 0.30 | 0.86 | |||||||||||||
1959 | 0.39 | 0.16 | 0.33 | 0.20 | 0.69 | 0.40 | 0.17 | 0.20 | 1.00 | 0.38 | 0.05 | 0.32 | 1.00 | |||||||||||||
1960 | 0.37 | 0.41 | 0.54 | 0.25 | 0.58 | 0.04 | 0.84 | 0.20 | 0.10 | 0.47 | 0.60 | 0.36 | 0.84 | |||||||||||||
1961 | 0.10 | 0.58 | 0.64 | 0.13 | 0.48 | 0.46 | 0.07 | 0.30 | 0.42 | 0.61 | 0.22 | 0.35 | 0.64 | |||||||||||||
1962 | 0.28 | 0.64 | 0.47 | 1.22 | 0.62 | 0.42 | 0.24 | 0.19 | 0.05 | 0.52 | 0.44 | 0.11 | 1.22 | |||||||||||||
1963 | 0.75 | 0.39 | 0.57 | 1.23 | 0.91 | 2.67 | 0.00 | 0.29 | 0.57 | 0.35 | 0.38 | 0.30 | 2.67 | |||||||||||||
1964 | 0.48 | 0.13 | 0.18 | 0.59 | 0.73 | 0.57 | 0.10 | 0.00 | 0.52 | 1.11 | 0.34 | 0.57 | 1.11 | |||||||||||||
1965 | 0.34 | 0.25 | 0.38 | 0.53 | 0.69 | 0.58 | 0.25 | 0.61 | 0.55 | 0.43 | 0.47 | 0.61 | 0.69 | |||||||||||||
1966 | 0.22 | 0.42 | 0.34 | 0.36 | 0.30 | 0.16 | 0.03 | 0.05 | 0.39 | 0.08 | 0.53 | 0.36 | 0.53 | |||||||||||||
1967 | 0.32 | 0.15 | 0.32 | 0.74 | 0.89 | 0.57 | 0.08 | 0.09 | 0.25 | 0.26 | 0.33 | 0.63 | c | 0.89 | c | |||||||||||
1968 | 0.18 | 0.42 | 0.33 | 0.31 | 0.55 | 2.26 | 0.04 | 1.35 | 0.15 | 0.37 | 0.70 | 0.72 | 2.26 | |||||||||||||
1969 | 0.31 | 0.47 | 0.56 | 0.45 | 0.13 | 0.69 | 0.59 | 0.00 | 0.29 | 0.70 | 0.34 | 0.50 | 0.70 | |||||||||||||
1970 | 0.71 | 0.31 | ----- | z | 0.48 | 0.71 | 2.49 | 0.34 | 0.00 | 0.53 | ----- | z | 0.71 | 0.59 | ----- | z | ||||||||||
1971 | 0.50 | 0.60 | 0.87 | 0.77 | 0.37 | 0.86 | 0.00 | 0.00 | 0.35 | 0.30 | 0.49 | 0.60 | 0.87 | |||||||||||||
1972 | 0.43 | 0.77 | 0.42 | 0.47 | 0.25 | 0.89 | 0.04 | 0.13 | 0.59 | ----- | z | ----- | z | ----- | z | ----- | z | |||||||||
1973 | ----- | z | ----- | z | ----- | z | ----- | z | 0.62 | 1.11 | 0.20 | 0.28 | 0.47 | 0.42 | 0.35 | 0.42 | ----- | z | ||||||||
1974 | 0.42 | 0.15 | 1.10 | 0.28 | 0.00 | 0.05 | 0.73 | 0.00 | 0.00 | 0.21 | d | 0.16 | 0.51 | j | 1.10 | n | ||||||||||
1975 | 0.45 | 0.17 | 0.54 | 0.34 | ----- | z | 0.81 | 0.06 | 0.39 | 0.47 | 1.23 | a | 0.19 | 0.13 | i | ----- | z | |||||||||
1976 | 0.39 | 0.37 | a | 0.36 | 0.16 | 0.41 | 0.39 | 0.46 | 0.44 | 0.00 | n | 0.95 | 0.16 | 0.18 | 0.95 | o | ||||||||||
1977 | 0.11 | 0.31 | 0.46 | 0.23 | 0.36 | 0.75 | d | 0.16 | 0.84 | 0.39 | 0.00 | 0.60 | 0.49 | 0.84 | d | |||||||||||
1978 | 0.70 | 0.50 | 0.16 | 0.51 | 0.51 | 0.28 | 0.27 | 0.04 | 0.89 | 0.00 | 0.36 | 0.33 | 0.89 | |||||||||||||
1979 | 0.24 | 0.58 | 0.56 | 0.11 | 1.02 | 0.72 | 0.89 | 0.40 | 0.20 | 0.54 | 0.29 | 0.25 | 1.02 | |||||||||||||
1980 | 0.27 | 0.20 | 0.41 | 1.10 | 0.64 | 0.54 | 0.08 | 0.03 | 0.29 | 0.45 | 0.34 | 0.23 | 1.10 | |||||||||||||
1981 | 0.39 | 0.27 | 0.75 | 1.13 | 0.82 | 0.12 | 0.11 | 0.15 | 0.47 | 0.09 | j | 0.67 | 0.39 | i | 1.13 | s | ||||||||||
1982 | 0.37 | d | 0.19 | b | 0.40 | ----- | z | 0.44 | p | 0.45 | 0.86 | c | 0.30 | 0.62 | g | 1.36 | 0.52 | 0.17 | ----- | z | ||||||
1983 | 0.58 | 0.28 | 0.35 | 0.55 | 0.43 | 0.34 | 0.20 | 0.60 | 0.46 | 0.44 | 0.30 | 0.82 | 0.82 | |||||||||||||
1984 | 0.13 | 0.50 | 0.55 | 0.43 | 0.47 | 0.89 | 0.88 | a | 0.42 | 0.17 | l | 0.55 | b | 0.46 | 0.25 | k | ----- | z | ||||||||
1985 | 0.18 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.04 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.40 | 0.37 | 0.47 | 0.51 | 0.57 | 0.67 | 0.26 | 0.25 | 0.37 | 0.46 | 0.41 | 0.44 | 1.00 | |||||||||||||
S.D. | 0.19 | 0.17 | 0.20 | 0.32 | 0.27 | 0.61 | 0.28 | 0.28 | 0.25 | 0.32 | 0.21 | 0.23 | 0.46 | |||||||||||||
SKEW | 0.40 | 0.30 | 1.04 | 0.84 | -0.22 | 2.16 | 1.18 | 1.95 | 0.51 | 1.06 | 0.72 | 0.59 | 2.62 | |||||||||||||
MAX | 0.80 | 0.77 | 1.10 | 1.23 | 1.14 | 2.67 | 0.89 | 1.35 | 1.00 | 1.36 | 1.00 | 1.04 | 2.67 | |||||||||||||
MIN | 0.10 | 0.08 | 0.16 | 0.11 | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.11 | 0.53 | |||||||||||||
YRS | 36 | 35 | 34 | 34 | 34 | 36 | 37 | 37 | 34 | 34 | 36 | 32 | 27 |