YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1937 | 0.23 | b | 0.70 | 0.27 | 0.38 | 0.10 | 0.62 | 0.11 | 0.43 | 0.25 | 0.20 | a | 0.62 | 0.50 | 0.70 | |||||||||||
1938 | 0.28 | 0.52 | 1.10 | 0.40 | a | 0.22 | 0.54 | 0.15 | 0.65 | 0.36 | 0.29 | 0.40 | 0.07 | 1.10 | ||||||||||||
1939 | 0.19 | 0.29 | 0.45 | 0.00 | 0.17 | 0.11 | 0.32 | 0.05 | 0.64 | 0.85 | b | 0.00 | 0.40 | 0.85 | ||||||||||||
1940 | 0.24 | 0.45 | 0.32 | 0.34 | 0.09 | 0.05 | 0.15 | 0.00 | 0.42 | 0.59 | 0.36 | 0.26 | 0.59 | |||||||||||||
1941 | 0.60 | 0.55 | 0.02 | 0.23 | 0.40 | 0.52 | 0.17 | 2.23 | 0.26 | 0.23 | 0.33 | 0.25 | 2.23 | |||||||||||||
1942 | 0.46 | 0.41 | 0.15 | 0.18 | 0.87 | 0.29 | 0.18 | 0.04 | 1.38 | 0.10 | 1.15 | 0.43 | 1.38 | |||||||||||||
1943 | 0.42 | 0.15 | 0.29 | 0.35 | 0.18 | 0.41 | 0.00 | 0.25 | 0.00 | 0.52 | 0.16 | 0.15 | a | 0.52 | ||||||||||||
1944 | 0.48 | 0.19 | 0.23 | 0.20 | 0.90 | 1.23 | 0.16 | 0.15 | 0.08 | 0.28 | a | 0.56 | 0.44 | 1.23 | ||||||||||||
1945 | 0.41 | 0.30 | 0.25 | 0.29 | 0.50 | 0.50 | 0.06 | 0.02 | 0.11 | 0.37 | 0.35 | 0.30 | 0.50 | |||||||||||||
1946 | 0.21 | 0.13 | 0.15 | 0.11 | 0.59 | 0.59 | 0.11 | 0.04 | 0.62 | 0.31 | 0.53 | 0.10 | 0.62 | |||||||||||||
1947 | 0.22 | 0.50 | 0.25 | 0.33 | 0.47 | 0.56 | 0.00 | 0.94 | 0.20 | 1.25 | 0.35 | 0.62 | 1.25 | |||||||||||||
1948 | 0.15 | 0.25 | 0.30 | 0.28 | 0.63 | 0.45 | 0.00 | a | 0.47 | 0.37 | 0.16 | 0.30 | 1.31 | 1.31 | ||||||||||||
1949 | 0.15 | 0.08 | 0.20 | 0.16 | 0.40 | 0.13 | 0.00 | 0.15 | 0.04 | 0.09 | 0.42 | 0.15 | 0.42 | |||||||||||||
1950 | 0.60 | a | 0.25 | 0.38 | 0.17 | 0.20 | 0.73 | a | 0.06 | 0.16 | 0.03 | 1.00 | 0.39 | 0.63 | 1.00 | |||||||||||
1951 | 0.57 | 0.54 | 0.26 | 0.36 | a | 0.65 | 0.06 | 0.00 | 0.20 | 0.33 | 0.37 | 0.40 | c | 1.30 | d | 1.30 | ||||||||||
1952 | 0.20 | a | 0.40 | 0.40 | 0.08 | 0.34 | 0.41 | 0.00 | 0.17 | 0.22 | 0.00 | 0.50 | 0.70 | 0.70 | ||||||||||||
1953 | 0.25 | 0.65 | 0.60 | 0.38 | 1.18 | 0.62 | 0.00 | 0.45 | 0.01 | 0.25 | 0.60 | 0.45 | 1.18 | |||||||||||||
1954 | 0.25 | 0.14 | 0.18 | 0.28 | 0.52 | a | 0.40 | 0.00 | 0.15 | 0.07 | 0.10 | 0.17 | 0.16 | 0.52 | ||||||||||||
1955 | 0.10 | 0.15 | 0.15 | 0.50 | 0.14 | a | 0.21 | 0.18 | 0.00 | 0.66 | 0.17 | 0.57 | 0.70 | a | 0.70 | |||||||||||
1956 | 0.65 | 0.45 | 0.35 | 0.15 | 0.83 | a | 0.38 | 0.20 | 0.22 | 0.15 | 0.94 | 0.10 | 0.58 | A | 0.94 | |||||||||||
1957 | 0.60 | 0.38 | b | 0.40 | A | 0.20 | 0.57 | 0.15 | a | 0.17 | 0.15 | 0.29 | 1.44 | 0.58 | 0.80 | 1.44 | ||||||||||
1958 | 0.55 | 0.75 | 0.25 | 0.30 | 0.50 | 0.50 | A | 0.20 | 0.12 | 0.11 | 0.00 | 0.37 | 0.20 | 0.75 | ||||||||||||
1959 | 0.20 | 0.23 | a | 0.27 | 0.20 | 0.46 | 0.35 | 0.09 | 0.42 | 0.35 | 0.45 | 0.00 | 0.05 | d | 0.46 | |||||||||||
1960 | 0.35 | 0.75 | 0.35 | 0.36 | 0.27 | 0.25 | 0.19 | 0.73 | 0.03 | 0.08 | a | 0.30 | 0.35 | 0.75 | ||||||||||||
1961 | 0.20 | 0.30 | 0.20 | 0.10 | A | 0.45 | 0.50 | 0.25 | 0.34 | 0.50 | A | 0.40 | 0.45 | 0.40 | A | 0.50 | ||||||||||
1962 | 0.25 | 0.45 | 0.25 | 0.09 | 0.27 | 0.05 | 0.00 | 0.04 | 0.14 | 1.29 | 0.25 | 0.25 | 1.29 | |||||||||||||
1963 | 0.80 | 0.50 | 0.15 | 0.65 | 0.40 | 0.50 | 0.23 | 0.21 | 0.78 | 0.15 | 0.27 | A | 0.50 | 0.80 | ||||||||||||
1964 | 1.23 | 0.05 | 0.20 | 0.15 | 0.43 | 0.92 | 0.39 | 0.60 | 0.05 | 0.40 | 0.70 | A | 2.05 | 2.05 | ||||||||||||
1965 | 0.35 | 0.16 | 0.09 | 0.35 | 0.26 | 1.22 | 0.46 | 0.57 | 0.00 | 0.05 | 0.71 | 0.25 | A | 1.22 | ||||||||||||
1966 | 0.35 | 0.22 | 0.53 | 0.15 | 0.83 | 0.51 | 0.08 | 0.30 | 0.64 | 0.08 | 0.73 | 0.90 | 0.90 | |||||||||||||
1967 | 0.45 | 0.08 | 0.36 | 0.32 | 0.54 | 0.24 | 0.05 | 0.40 | 0.32 | 0.89 | 0.29 | 0.20 | a | 0.89 | ||||||||||||
1968 | 0.25 | 0.23 | 0.05 | 0.01 | 0.15 | 0.22 | 0.08 | 1.08 | A | 0.20 | 0.61 | 0.63 | 0.37 | A | 0.63 | |||||||||||
1969 | 0.80 | A | 0.30 | A | 0.33 | 0.40 | 0.45 | 0.45 | 0.05 | 0.00 | 0.28 | 0.19 | 0.50 | 2.05 | A | 0.50 | ||||||||||
1970 | 0.70 | 0.15 | 0.30 | 0.20 | 0.47 | 0.46 | 0.16 | 0.00 | 0.08 | 0.27 | 0.40 | 0.59 | 0.70 | |||||||||||||
1971 | 0.83 | 0.25 | 0.25 | 0.50 | A | 0.74 | 0.25 | 0.11 | 0.01 | 0.35 | 0.38 | 0.40 | 0.20 | 0.83 | ||||||||||||
1972 | 0.40 | 0.35 | A | 0.75 | A | 0.10 | A | 0.58 | 0.36 | 0.03 | 0.01 | 0.15 | 0.16 | 0.30 | 0.45 | 0.58 | ||||||||||
1973 | 0.25 | 0.20 | 0.25 | 0.16 | 0.68 | 0.03 | 0.07 | 0.75 | 0.44 | 0.17 | 0.62 | 0.37 | 0.75 | |||||||||||||
1974 | 0.20 | 0.21 | 0.50 | 0.26 | 0.39 | 0.18 | 0.31 | 0.07 | 0.00 | 0.27 | 0.10 | 0.96 | 0.96 | |||||||||||||
1975 | 0.20 | A | 0.30 | 0.70 | A | 0.30 | 1.00 | A | 0.18 | 0.35 | 0.28 | 0.05 | 0.67 | A | 0.30 | A | 0.80 | A | 0.35 | |||||||
1976 | 0.75 | 0.50 | 0.01 | 0.20 | 0.19 | 0.26 | 0.24 | 0.84 | 0.46 | A | 0.24 | 0.30 | A | 0.05 | 0.84 | |||||||||||
1977 | 0.25 | 0.13 | 0.05 | 0.25 | 0.75 | 1.36 | 0.06 | 0.45 | 0.56 | 0.15 | 0.55 | 0.72 | 1.36 | |||||||||||||
1978 | 0.40 | 0.25 | 0.55 | 9999.00 | z | 0.30 | 0.41 | 0.14 | 0.36 | 0.26 | 0.02 | 0.50 | 0.25 | 0.55 | ||||||||||||
1979 | 1.00 | 0.45 | 0.45 | A | 0.50 | 0.19 | 0.45 | 0.05 | 0.29 | 0.68 | 0.31 | 0.30 | 0.40 | 1.00 | ||||||||||||
1980 | 0.40 | 0.35 | 0.15 | 0.10 | 0.38 | 0.58 | 0.41 | 0.02 | 0.55 | 0.28 | 0.22 | 0.20 | A | 0.58 | ||||||||||||
1981 | 0.40 | A | 0.20 | 0.20 | 0.63 | A | 0.58 | 0.21 | 0.07 | 0.07 | 0.29 | 0.60 | 0.85 | A | 0.60 | A | 0.60 | |||||||||
1982 | 0.70 | v | 9999.00 | z | 9999.00 | z | 0.53 | A | 0.15 | 0.46 | b | 0.61 | 0.11 | 1.07 | 0.34 | A | 0.30 | e | 0.45 | A | 1.07 | |||||
1983 | 0.35 | A | 0.45 | p | 0.75 | A | 0.40 | A | 0.86 | A | 0.18 | 0.61 | 0.46 | a | 0.42 | a | 0.46 | A | 0.24 | r | 0.60 | A | 0.61 | |||
1984 | 0.15 | A | 0.16 | g | 0.78 | A | 0.25 | A | 0.21 | 0.36 | c | 0.46 | A | 2.02 | 0.10 | A | 1.29 | A | 0.43 | q | 1.05 | d | 2.02 | |||
1985 | 0.50 | d | 0.20 | 0.15 | a | 0.35 | a | 0.66 | 0.09 | 0.27 | 0.19 | 0.59 | c | 2.00 | A | 0.35 | m | 0.99 | d | 0.99 | ||||||
1986 | 0.31 | A | 1.31 | A | 0.40 | 0.14 | 0.38 | 0.33 | 0.07 | 0.04 | 0.38 | e | 0.20 | 0.24 | A | 0.11 | 0.40 | |||||||||
1987 | 0.41 | 0.36 | 0.22 | 0.79 | 0.50 | 0.48 | a | 1.04 | 0.31 | 0.00 | 0.01 | 0.59 | A | 0.38 | 1.04 | |||||||||||
1988 | 0.24 | 0.21 | 0.12 | b | 1.27 | a | 0.49 | a | 0.22 | 0.00 | 0.36 | 0.08 | 0.00 | 0.57 | 0.24 | 1.27 | ||||||||||
1989 | 0.28 | a | 0.25 | 0.40 | 0.36 | 0.96 | 0.16 | 0.09 | 0.43 | 0.98 | 0.09 | 0.28 | 0.20 | 0.98 | ||||||||||||
1990 | 0.10 | 0.08 | a | 0.22 | 0.27 | a | 0.16 | 0.30 | a | 0.03 | 0.28 | A | 0.24 | 0.13 | 0.20 | 9999.00 | z | 0.30 | ||||||||
1991 | 0.11 | 0.16 | 0.31 | 0.19 | 0.45 | 0.41 | 0.13 | 0.28 | 0.01 | 0.42 | 0.28 | 0.32 | 0.45 | |||||||||||||
1992 | 0.23 | 0.24 | 0.55 | 0.26 | 0.07 | 0.67 | 0.34 | a | 0.25 | 0.19 | 1.18 | 0.38 | 0.60 | d | 1.18 | |||||||||||
1993 | 0.92 | a | 0.18 | a | 0.68 | b | 0.43 | A | 0.40 | a | 0.32 | a | 0.80 | 0.93 | 0.03 | 0.21 | 0.04 | e | 9999.00 | z | 0.93 | |||||
1994 | 9999.00 | z | 0.32 | b | 0.43 | 0.22 | a | 0.25 | 0.75 | 0.31 | 0.08 | 0.31 | 0.43 | 0.34 | a | 0.18 | 0.75 | |||||||||
1995 | 0.67 | A | 0.50 | 0.37 | 0.58 | A | 0.38 | 0.39 | a | 0.21 | 0.16 | 0.06 | A | 0.12 | 0.36 | A | 0.54 | b | 0.54 | |||||||
1996 | 0.25 | 0.39 | a | 0.47 | 0.24 | 0.55 | a | 9999.00 | z | 0.05 | 0.34 | 0.28 | 0.20 | A | 0.29 | b | 0.33 | a | 0.55 | |||||||
1997 | 0.72 | 0.11 | 0.15 | 0.40 | A | 1.25 | d | 0.79 | 0.46 | 0.10 | 0.20 | 0.24 | 0.35 | b | 1.00 | f | 1.25 | |||||||||
1998 | 3.50 | b | 1.00 | 0.20 | 0.23 | A | 0.78 | 0.26 | 0.28 | 0.02 | 0.55 | 0.14 | 9999.00 | z | 0.55 | f | 3.50 | |||||||||
1999 | 0.50 | 0.38 | 0.50 | d | 9999.00 | z | 0.30 | 0.15 | a | 0.09 | 0.10 | 0.01 | 0.36 | 0.22 | 0.10 | a | 0.50 | |||||||||
2000 | 0.63 | b | 0.37 | 0.60 | b | 0.30 | a | 0.29 | 0.18 | b | 0.10 | 9999.00 | z | 0.60 | 0.75 | a | 0.31 | j | 0.25 | e | 0.75 | |||||
2001 | 0.11 | 0.10 | b | 0.50 | a | 0.08 | 0.50 | 0.20 | e | 0.20 | d | 0.15 | g | 0.30 | 0.26 | 0.22 | d | 0.36 | d | 0.50 | ||||||
2002 | 0.10 | d | 0.02 | a | 0.28 | a | 0.30 | 0.40 | 0.09 | 0.05 | 0.00 | 0.05 | 0.18 | 0.10 | 0.25 | a | 0.40 | |||||||||
2003 | 0.35 | 0.20 | 0.25 | 0.51 | 0.95 | 0.00 | 0.40 | b | 0.00 | 0.46 | 0.13 | 0.69 | A | 0.23 | d | 0.95 | ||||||||||
2004 | 0.52 | 0.31 | A | 0.09 | 0.17 | 0.92 | A | 0.40 | 0.11 | 0.88 | A | 0.08 | 0.73 | A | 0.20 | b | 0.95 | 0.95 | ||||||||
2005 | 0.20 | A | 0.12 | a | 0.35 | A | 0.45 | A | 0.36 | g | 0.52 | A | 0.65 | A | 0.00 | 0.62 | 1.05 | A | 1.50 | A | 3.80 | g | 3.80 | |||
2006 | 0.55 | A | 0.18 | 0.30 | A | 0.25 | A | 0.58 | A | 0.43 | A | 0.71 | A | 0.16 | A | 0.08 | A | 0.32 | c | 0.18 | e | 0.20 | e | 0.32 | ||
2007 | 0.00 | 0.29 | e | 0.09 | a | 0.33 | A | 0.16 | A | 0.40 | c | 0.00 | 0.30 | A | 0.74 | A | 0.23 | A | 0.33 | A | 0.40 | i | 0.40 | |||
2008 | 0.50 | A | 0.20 | A | 0.10 | b | 0.20 | A | 0.60 | A | 0.25 | A | 0.16 | 0.00 | 0.19 | A | 0.85 | A | 0.29 | A | 0.27 | A | 0.16 | |||
2009 | 0.11 | A | 0.16 | A | 0.20 | c | 0.53 | A | 1.03 | A | 0.53 | A | 0.00 | 0.60 | A | 0.00 | 0.38 | A | 1.00 | f | 0.11 | A | 1.00 | |||
2010 | 0.50 | A | 0.10 | b | 0.30 | b | 1.50 | A | 0.58 | A | 0.33 | 0.00 | 0.13 | 0.00 | 0.33 | 0.25 | a | 0.55 | c | 0.55 | ||||||
2011 | 0.15 | z | 0.33 | v | 0.50 | s | 0.25 | x | 1.42 | 0.15 | c | 0.00 | 0.00 | 0.00 | 0.36 | A | 9999.00 | z | 0.10 | 1.42 | ||||||
2012 | 0.30 | 0.10 | 0.32 | k | 0.38 | 0.33 | 0.85 | 0.00 | 0.00 | d | 0.00 | 0.40 | 0.33 | 0.52 | 0.85 | |||||||||||
2013 | 0.72 | 9999.00 | 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 | 9999.00 | z | 9999.00 | z | 0.72 | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.44 | 0.30 | 0.31 | 0.32 | 0.50 | 0.40 | 0.19 | 0.32 | 0.30 | 0.40 | 0.39 | 0.48 | 0.90 | |||||||||||||
S.D. | 0.44 | 0.19 | 0.19 | 0.25 | 0.29 | 0.27 | 0.21 | 0.40 | 0.28 | 0.38 | 0.25 | 0.40 | 0.40 | |||||||||||||
SKEW | 4.89 | 1.20 | 1.30 | 2.65 | 0.91 | 1.34 | 1.76 | 2.71 | 1.29 | 1.83 | 1.77 | 2.03 | 1.24 | |||||||||||||
MAX | 3.50 | 1.00 | 1.10 | 1.50 | 1.42 | 1.36 | 1.04 | 2.23 | 1.38 | 2.00 | 1.50 | 2.05 | 2.23 | |||||||||||||
MIN | 0.00 | 0.02 | 0.01 | 0.00 | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.35 | |||||||||||||
NO YRS | 72 | 70 | 71 | 66 | 73 | 74 | 76 | 74 | 75 | 75 | 68 | 66 | 47 |