YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1929 | 9999.00 | z | 0.04 | 0.19 | 0.91 | 0.28 | 0.00 | 0.66 | 0.40 | 0.62 | 0.31 | 0.16 | 0.00 | 0.91 | ||||||||||||
1930 | 0.37 | 0.20 | 0.29 | 0.42 | 0.14 | 0.19 | 1.84 | 0.71 | 0.24 | 0.17 | 0.77 | 0.00 | 1.84 | |||||||||||||
1931 | 0.18 | 0.40 | 0.36 | 0.48 | 0.16 | 0.63 | 0.61 | 0.27 | 0.25 | 0.37 | 0.77 | 0.35 | 0.77 | |||||||||||||
1932 | 0.27 | 0.46 | 0.13 | 0.27 | 0.15 | 0.00 | 0.67 | 0.35 | 0.53 | 0.11 | 0.00 | 0.49 | 0.67 | |||||||||||||
1933 | 0.13 | 0.15 | 0.00 | 0.18 | 0.10 | 0.50 | 0.47 | 0.43 | 0.43 | 0.70 | 0.21 | 0.14 | 0.70 | |||||||||||||
1934 | 0.10 | 0.51 | 0.20 | 0.53 | 0.86 | 0.00 | 0.24 | 0.50 | 0.26 | 0.22 | 0.11 | 9999.00 | z | 0.86 | ||||||||||||
1935 | 0.41 | 0.32 | 0.46 | 0.42 | 0.49 | 0.51 | 0.43 | 0.67 | 0.31 | 0.00 | 0.26 | 0.40 | 0.67 | |||||||||||||
1936 | 0.15 | 0.40 | 0.30 | 0.34 | 0.13 | 0.29 | 0.68 | 1.42 | 0.37 | 1.49 | 0.16 | 1.07 | 1.49 | |||||||||||||
1937 | 0.31 | 0.28 | 0.18 | 0.39 | 0.47 | 0.05 | 0.42 | 0.42 | 1.70 | 0.29 | 0.00 | z | 0.25 | 1.70 | ||||||||||||
1938 | 0.16 | 0.32 | 0.70 | 0.22 | 0.14 | 0.22 | 0.19 | 0.25 | 0.40 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.70 | ||||||||||
1939 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.68 | 0.15 | 0.00 | 0.05 | 0.57 | 0.52 | 0.40 | 0.79 | 0.22 | 0.79 | ||||||||||
1940 | 0.23 | 0.40 | 0.29 | 0.50 | 0.30 | 0.16 | 0.31 | a | 1.27 | 0.85 | 0.70 | 0.42 | 0.60 | 1.27 | ||||||||||||
1941 | 0.66 | 0.32 | 0.50 | 0.60 | 0.43 | 2.60 | 0.14 | 0.60 | 1.53 | 1.05 | 0.45 | 0.19 | 2.60 | |||||||||||||
1942 | 0.05 | 0.86 | 0.30 | 0.51 | 0.00 | 0.00 | 0.91 | 1.00 | 0.60 | 0.61 | 0.12 | 0.99 | 1.00 | |||||||||||||
1943 | 0.60 | 0.12 | 0.46 | 0.13 | 0.24 | 0.14 | 0.22 | 0.49 | 0.56 | 0.67 | 0.00 | 0.25 | 0.67 | |||||||||||||
1944 | 0.63 | 0.60 | v | 0.45 | 0.45 | 0.38 | 0.00 | 0.60 | 0.25 | 1.05 | 0.00 | 0.46 | 0.94 | 1.05 | ||||||||||||
1945 | 0.45 | 0.40 | 0.65 | 0.16 | 0.04 | 0.23 | 1.50 | 1.20 | 0.48 | 0.28 | 0.00 | 0.48 | 1.50 | |||||||||||||
1946 | 0.10 | 0.09 | y | 0.19 | 0.10 | 0.20 | 0.00 | 0.60 | 0.72 | 0.84 | 0.21 | 0.80 | 0.48 | 0.84 | ||||||||||||
1947 | 0.16 | 0.04 | 0.25 | 0.03 | 0.96 | 0.24 | 0.15 | 0.81 | 0.19 | 1.16 | 0.73 | 0.50 | 1.16 | |||||||||||||
1948 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.74 | a | 0.80 | 0.75 | 0.67 | 0.00 | 0.69 | 0.80 | ||||||
1949 | 0.32 | 0.50 | 0.36 | 0.29 | 0.35 | 0.56 | 0.34 | 0.10 | 0.60 | 0.70 | 0.24 | 0.17 | 0.70 | |||||||||||||
1950 | 0.29 | 0.22 | 0.07 | 0.00 | 0.05 | 0.24 | 1.60 | 0.47 | 0.21 | 0.00 | 0.22 | 0.11 | e | 1.60 | ||||||||||||
1951 | 0.32 | 0.12 | 0.13 | 0.40 | 0.19 | 0.00 | 0.20 | 1.01 | 0.15 | 0.41 | 0.21 | 0.26 | 1.01 | |||||||||||||
1952 | 0.68 | 0.25 | 0.28 | 0.78 | 0.07 | 0.78 | 0.55 | 0.51 | 0.44 | 0.00 | 0.43 | 0.25 | 0.78 | |||||||||||||
1953 | 0.17 | 0.25 | 0.05 | 0.32 | 0.13 | c | 0.02 | 0.59 | 0.17 | 0.00 | 0.38 | 0.34 | 0.31 | 0.59 | ||||||||||||
1954 | 0.14 | 0.12 | 0.70 | 0.11 | 0.27 | 0.06 | 0.40 | 0.94 | 0.79 | 0.56 | 0.06 | 0.41 | 0.94 | |||||||||||||
1955 | 0.22 | 0.20 | 0.13 | 0.26 | 0.15 | 1.07 | 0.32 | 0.79 | 0.14 | 0.00 | 0.15 | 0.34 | 1.07 | |||||||||||||
1956 | 0.40 | 0.09 | 0.04 | 0.05 | 0.30 | 0.24 | 0.83 | 0.32 | 0.00 | 0.63 | 0.18 | 0.23 | 0.83 | |||||||||||||
1957 | 0.54 | 0.20 | 0.34 | 0.35 | 0.45 | 0.17 | 0.56 | 0.63 | 0.00 | 0.79 | 0.23 | 0.13 | 0.79 | |||||||||||||
1958 | 0.16 | 0.28 | 0.30 | 0.20 | 0.17 | 0.07 | 0.25 | 1.03 | 0.72 | 0.30 | 0.20 | 0.15 | 1.03 | |||||||||||||
1959 | 0.14 | 0.24 | 0.00 | 0.27 | 0.00 | 0.31 | 0.15 | 3.00 | 0.35 | 0.82 | 0.19 | 0.42 | A | 3.00 | ||||||||||||
1960 | 0.23 | 0.55 | 0.58 | 0.18 | 0.17 | 0.36 | 0.11 | 0.47 | 0.09 | 0.65 | 0.17 | 0.23 | 0.65 | |||||||||||||
1961 | 0.25 | 0.33 | 0.29 | 0.19 | 0.01 | 0.00 | 0.71 | 0.81 | 0.26 | 1.19 | 0.22 | 0.37 | 1.19 | |||||||||||||
1962 | 0.29 | 0.22 | 0.19 | 0.05 | 0.20 | 0.15 | 0.39 | 0.12 | 0.70 | 0.70 | 0.72 | 0.10 | 0.72 | |||||||||||||
1963 | 0.16 | 0.48 | 0.16 | 0.16 | 0.00 | 0.01 | 0.33 | 0.71 | 0.34 | 0.38 | 0.23 | 0.50 | 0.71 | |||||||||||||
1964 | 0.15 | 0.05 | 0.42 | 0.66 | 0.00 | 0.09 | 0.64 | 1.00 | 1.09 | 0.00 | 0.47 | 0.39 | 1.09 | |||||||||||||
1965 | 0.68 | 0.51 | 0.39 | 0.24 | 0.61 | 0.54 | 1.49 | 0.30 | 0.66 | 0.97 | 0.88 | 0.47 | 1.49 | |||||||||||||
1966 | 0.30 | 0.21 | 0.30 | 0.11 | 0.05 | 0.01 | 0.74 | 0.21 | 0.60 | 0.11 | 0.58 | 0.62 | 0.74 | |||||||||||||
1967 | 0.28 | 0.00 | 0.21 | 0.21 | 0.16 | 0.52 | 0.83 | 0.42 | 0.75 | 0.20 | 0.25 | 0.81 | 0.83 | |||||||||||||
1968 | 0.06 | 0.21 | 0.15 | 0.38 | 0.23 | 0.20 | 0.46 | 0.51 | 0.00 | 1.12 | 0.83 | 0.90 | 1.12 | |||||||||||||
1969 | 0.25 | 0.20 | 0.36 | 0.40 | 0.19 | 0.20 | 9999.00 | z | 0.41 | l | 0.11 | 0.87 | 0.33 | 0.05 | 0.87 | |||||||||||
1970 | 0.32 | 0.00 | 1.10 | 1.10 | 0.07 | 0.21 | 0.81 | 0.38 | 1.25 | 0.15 | 0.37 | 0.12 | 1.25 | |||||||||||||
1971 | 0.10 | 0.42 | 0.15 | 0.22 | 0.18 | 0.00 | 0.48 | 0.70 | 1.90 | 0.70 | 0.30 | 0.42 | 1.90 | |||||||||||||
1972 | 0.10 | 0.18 | 0.05 | 0.06 | 0.14 | 0.33 | 0.62 | 0.35 | 0.15 | 0.80 | 0.45 | 0.47 | 0.80 | |||||||||||||
1973 | 0.33 | e | 0.34 | e | 0.50 | 0.39 | b | 0.71 | 0.24 | 0.25 | 0.50 | 0.43 | 0.06 | 0.40 | A | 0.20 | A | 0.71 | ||||||||
1974 | 0.34 | A | 0.50 | 0.20 | 0.50 | 0.00 | 0.18 | 1.89 | 0.12 | 0.43 | 0.90 | 0.35 | 0.20 | 1.89 | ||||||||||||
1975 | 0.30 | 0.17 | 0.50 | 0.17 | 0.23 | 0.00 | 0.75 | 0.20 | 0.37 | 0.18 | 0.40 | 0.20 | 0.75 | |||||||||||||
1976 | 0.00 | 0.42 | 0.09 | 0.35 | 0.24 | 0.25 | 0.87 | 0.55 | 0.20 | 0.27 | 0.40 | 0.07 | 0.87 | |||||||||||||
1977 | 0.35 | 0.60 | 0.04 | 0.36 | A | 0.17 | 0.09 | 0.92 | 0.90 | 0.94 | A | 9999.00 | z | 0.70 | 0.03 | c | 0.92 | |||||||||
1978 | 9999.00 | z | 0.50 | 0.60 | 0.50 | b | 9999.00 | z | 0.00 | 0.10 | 0.50 | 0.20 | 0.80 | 0.95 | 0.65 | 0.95 | ||||||||||
1979 | 0.45 | 9999.00 | z | 0.50 | 0.20 | 0.50 | 0.65 | 0.00 | 0.95 | 0.00 | 0.94 | 0.44 | 0.61 | 0.95 | ||||||||||||
1980 | 0.54 | A | 0.71 | 0.18 | 0.40 | 0.11 | A | 0.00 | 0.12 | 1.42 | 1.62 | 0.22 | 0.22 | 0.22 | A | 1.62 | ||||||||||
1981 | 0.20 | 0.60 | A | 0.93 | A | 0.19 | 0.19 | 0.22 | 1.04 | 1.67 | 0.54 | 1.14 | A | 0.68 | 0.20 | 1.67 | ||||||||||
1982 | 0.35 | e | 0.95 | 0.59 | b | 0.08 | 0.73 | 0.00 | 0.53 | 1.22 | 0.67 | 0.00 | 0.50 | c | 0.90 | d | 1.22 | |||||||||
1983 | 0.22 | k | 0.00 | e | 0.23 | b | 0.20 | c | 0.26 | 0.18 | 0.35 | 0.73 | 0.57 | 0.25 | 0.45 | 0.31 | b | 0.73 | ||||||||
1984 | 0.00 | c | 0.00 | a | 0.89 | c | 0.50 | a | 0.08 | 0.25 | 0.26 | 0.92 | a | 0.61 | 0.55 | a | 0.00 | b | 9999.00 | z | 0.92 | |||||
1985 | 9999.00 | z | 0.05 | c | 0.61 | d | 1.44 | 0.07 | 0.02 | 0.86 | 0.63 | 0.71 | d | 1.10 | 0.39 | e | 0.03 | d | 1.44 | |||||||
1986 | 0.00 | 9999.00 | z | 1.00 | A | 0.60 | 0.45 | 0.15 | 0.80 | A | 0.62 | A | 1.70 | A | 0.37 | c | 1.00 | A | 0.60 | c | 0.60 | |||||
1987 | 0.31 | 0.30 | A | 9999.00 | z | 0.62 | A | 0.30 | A | 0.07 | 1.03 | A | 0.69 | A | 0.18 | A | 0.78 | b | 0.67 | A | 0.64 | g | 0.78 | |||
1988 | 9999.00 | z | 1.15 | 0.01 | 1.55 | A | 0.02 | 0.27 | A | 0.09 | A | 0.65 | f | 0.15 | A | 0.05 | 0.40 | A | 0.04 | A | 1.15 | |||||
1989 | 0.18 | a | 0.00 | e | 0.45 | A | 0.00 | 0.09 | A | 0.00 | 0.08 | 1.16 | d | 0.00 | 0.45 | b | 0.00 | a | 0.00 | b | 1.16 | |||||
1990 | 0.20 | A | 1.50 | b | 0.60 | A | 0.20 | 0.40 | 0.00 | 0.60 | d | 1.23 | A | 0.37 | A | 0.09 | 0.81 | 0.38 | 1.50 | |||||||
1991 | 0.41 | c | 0.10 | 0.62 | a | 0.00 | 0.00 | 0.25 | 0.40 | 0.40 | 0.72 | 0.16 | a | 0.78 | a | 1.10 | b | 1.10 | ||||||||
1992 | 0.18 | a | 0.36 | 0.37 | 0.22 | 1.05 | a | 0.17 | 0.42 | 0.93 | 0.22 | 0.62 | 0.06 | b | 1.40 | A | 1.05 | |||||||||
1993 | 0.80 | a | 0.39 | b | 0.53 | b | 0.20 | 0.19 | 0.00 | 0.14 | 1.36 | 0.15 | 0.87 | 0.37 | a | 0.14 | 1.36 | |||||||||
1994 | 0.20 | a | 0.13 | 0.24 | 0.56 | 0.28 | 0.95 | 0.00 | 0.29 | 0.70 | 0.95 | 0.72 | 0.53 | a | 0.95 | |||||||||||
1995 | 0.71 | b | 0.43 | 0.74 | 0.40 | 0.36 | 0.00 | 0.73 | 0.17 | 0.45 | 0.00 | 0.13 | b | 0.18 | 0.74 | |||||||||||
1996 | 0.03 | 0.06 | a | 0.25 | 0.21 | 0.00 | 0.25 | A | 0.29 | A | 0.39 | c | 0.90 | A | 0.61 | A | 0.68 | A | 0.56 | A | 0.39 | |||||
1997 | 0.34 | A | 0.16 | A | 0.00 | 0.32 | A | 0.26 | 0.74 | A | 0.52 | A | 0.90 | A | 0.64 | A | 0.37 | b | 0.35 | A | 0.58 | A | 0.37 | |||
1998 | 0.36 | A | 0.50 | e | 0.46 | A | 0.29 | A | 0.00 | 0.00 | 1.10 | A | 0.65 | A | 0.15 | 1.04 | A | 0.93 | A | 0.20 | A | 0.50 | ||||
1999 | 0.00 | 0.11 | 0.08 | 0.46 | b | 0.87 | b | 0.24 | d | 0.80 | f | 1.14 | g | 0.67 | d | 0.00 | 0.00 | 0.08 | b | 1.14 | ||||||
2000 | 0.15 | c | 0.28 | d | 0.64 | b | 0.25 | 0.00 | 0.11 | 0.24 | d | 1.00 | f | 0.34 | d | 0.66 | h | 0.85 | f | 0.12 | A | 1.00 | ||||
2001 | 0.36 | b | 0.70 | d | 0.30 | 0.54 | b | 0.56 | c | 0.04 | 0.33 | c | 1.34 | g | 0.42 | n | 0.15 | e | 0.14 | c | 0.15 | d | 1.34 | |||
2002 | 0.15 | 0.03 | c | 0.10 | b | 0.32 | a | 0.00 | 0.00 | 0.41 | f | 0.40 | 1.90 | g | 0.40 | c | 0.53 | c | 0.29 | d | 1.90 | |||||
2003 | 0.18 | b | 0.39 | c | 0.33 | f | 0.00 | 0.00 | 0.00 | 0.49 | A | 0.44 | A | 1.54 | A | 0.97 | A | 0.62 | A | 0.60 | A | 0.39 | ||||
2004 | 0.60 | A | 0.70 | c | 0.00 | b | 0.80 | A | 0.16 | A | 0.04 | b | 0.14 | A | 0.62 | A | 1.61 | A | 0.63 | A | 0.46 | A | 0.75 | A | 0.70 | |
2005 | 0.70 | A | 1.11 | A | 0.36 | A | 0.90 | A | 0.08 | A | 0.00 | 0.02 | a | 0.70 | e | 0.38 | A | 0.37 | A | 0.00 | 0.06 | 0.70 | ||||
2006 | 0.03 | a | 0.00 | 0.42 | c | 0.11 | A | 0.10 | 0.05 | A | 0.94 | A | 1.30 | A | 0.63 | A | 1.45 | A | 0.04 | A | 0.40 | b | 0.42 | |||
2007 | 0.70 | A | 0.34 | A | 0.40 | a | 0.90 | A | 0.60 | e | 0.50 | 0.17 | 1.83 | g | 9999.00 | z | 0.20 | 0.70 | 0.07 | e | 1.83 | |||||
2008 | 0.06 | c | 0.00 | d | 0.00 | 0.18 | 0.03 | 0.35 | 0.75 | a | 0.48 | 0.50 | 0.60 | 0.63 | 0.28 | 0.75 | ||||||||||
2009 | 0.19 | a | 0.44 | a | 0.20 | 0.07 | 0.60 | 0.14 | 0.08 | A | 0.00 | 0.18 | 0.12 | 0.00 | 0.43 | 0.60 | ||||||||||
2010 | 0.05 | A | 0.40 | 0.30 | 0.10 | 0.03 | 0.10 | 0.49 | 0.21 | 0.80 | 0.24 | 0.17 | 0.75 | b | 0.80 | |||||||||||
2011 | 0.05 | 0.15 | b | 0.10 | a | 0.08 | a | 0.75 | 0.00 | 0.34 | 0.55 | 0.43 | 0.00 | c | 1.41 | 0.00 | 1.41 | |||||||||
2012 | 0.00 | f | 0.00 | 0.15 | 0.00 | 0.00 | 0.26 | 0.90 | 0.70 | 0.35 | 0.00 | 0.61 | 0.32 | 0.90 | ||||||||||||
2013 | 0.73 | 0.13 | b | 0.00 | a | 0.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.73 | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.28 | 0.32 | 0.33 | 0.36 | 0.25 | 0.22 | 0.53 | 0.66 | 0.54 | 0.47 | 0.39 | 0.37 | 1.13 | |||||||||||||
S.D. | 0.20 | 0.27 | 0.25 | 0.30 | 0.25 | 0.35 | 0.40 | 0.45 | 0.43 | 0.37 | 0.30 | 0.29 | 0.53 | |||||||||||||
SKEW | 0.86 | 1.64 | 0.86 | 1.70 | 1.36 | 4.19 | 1.35 | 2.12 | 1.30 | 0.50 | 0.73 | 1.12 | 1.66 | |||||||||||||
MAX | 0.80 | 1.50 | 1.10 | 1.55 | 1.05 | 2.60 | 1.89 | 3.00 | 1.90 | 1.49 | 1.41 | 1.40 | 3.00 | |||||||||||||
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 | 0.59 | |||||||||||||
NO YRS | 75 | 78 | 80 | 83 | 82 | 83 | 79 | 75 | 76 | 79 | 78 | 79 | 43 |