YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1937 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.00 | 0.00 | 0.00 | 0.24 | 0.24 | |||||
1938 | 0.26 | 0.65 | 2.40 | 0.50 | 0.00 | 0.05 | 0.40 | 0.01 | 0.24 | 0.00 | 0.00 | 0.76 | 2.40 | |||||||||||||
1939 | 0.75 | 0.10 | 0.40 | 0.10 | 0.21 | 0.00 | 0.00 | 1.00 | 1.80 | 0.00 | 0.00 | 0.00 | 1.80 | |||||||||||||
1940 | 0.38 | 0.41 | 0.20 | 0.47 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.01 | 1.15 | 1.15 | |||||||||||||
1941 | 0.75 | 0.75 | 0.85 | 0.70 | 0.00 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.00 | 0.23 | 0.17 | 1.80 | 1.80 | ||||||||||
1942 | 0.00 | 0.09 | 0.22 | 0.35 | 0.00 | 0.00 | 0.00 | 0.81 | 0.00 | 0.34 | 0.00 | 0.07 | 0.81 | |||||||||||||
1943 | 2.95 | 0.60 | 0.59 | 0.27 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.58 | 0.04 | 2.10 | 2.95 | |||||||||||||
1944 | 0.17 | 2.62 | u | 0.23 | 0.17 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.14 | 0.32 | 2.62 | ||||||||||||
1945 | 9999.00 | z | 1.08 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.00 | 0.00 | 0.91 | 0.05 | 0.38 | 0.01 | 1.18 | 1.18 | |||||||||
1946 | 0.00 | 0.01 | 0.94 | 0.05 | 0.00 | 0.00 | 0.13 | 0.29 | 0.15 | 0.00 | 1.31 | 0.78 | 1.31 | |||||||||||||
1947 | 0.03 | 0.27 | 0.09 | 0.25 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 0.00 | z | 0.75 | 0.75 | ||||||||||||
1948 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.00 | f | 0.00 | 0.00 | 0.03 | 0.00 | 0.26 | 0.26 | ||||||
1949 | 0.65 | 0.32 | 0.59 | 0.00 | 0.08 | 0.00 | 0.00 | 0.13 | 0.00 | 0.00 | 0.20 | 0.85 | 0.85 | |||||||||||||
1950 | 0.32 | 0.36 | 0.34 | 0.19 | 0.00 | 0.00 | 0.08 | 0.10 | 0.59 | 0.00 | 0.30 | 0.00 | j | 0.59 | ||||||||||||
1951 | 0.18 | 0.03 | 0.00 | 0.12 | 0.74 | 0.00 | 0.38 | 0.00 | 0.00 | 0.33 | 0.26 | 1.00 | 1.00 | |||||||||||||
1952 | 1.34 | 0.11 | 1.04 | 0.27 | 0.00 | 0.00 | 0.02 | 0.00 | 0.40 | 0.00 | 0.59 | 0.59 | 1.34 | |||||||||||||
1953 | 0.33 | 0.01 | 0.05 | 0.09 | f | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.18 | 0.06 | 0.33 | ||||||||||||
1954 | 1.51 | 0.63 | 0.27 | 0.00 | 0.00 | 0.00 | 0.19 | 0.00 | 0.00 | 0.00 | 0.98 | 0.47 | 1.51 | |||||||||||||
1955 | 0.48 | 0.22 | 0.00 | 0.25 | 0.11 | 0.00 | 0.00 | 0.05 | 0.00 | 0.00 | 0.40 | 0.02 | 0.48 | |||||||||||||
1956 | 1.29 | 0.00 | 0.00 | 0.70 | 0.08 | 0.00 | 0.08 | 0.00 | 0.00 | 0.04 | 0.00 | 0.00 | 1.29 | |||||||||||||
1957 | 0.90 | 0.55 | 0.35 | 0.00 | 0.03 | 0.00 | 0.01 | 0.00 | 0.09 | 0.32 | 0.00 | 0.40 | 0.90 | |||||||||||||
1958 | 0.50 | 1.34 | 0.35 | 0.89 | 0.00 | 0.00 | 0.03 | 0.13 | 0.23 | 0.60 | 0.05 | 0.00 | 1.34 | |||||||||||||
1959 | 1.05 | 0.78 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.19 | A | 0.55 | 0.04 | 0.06 | 0.47 | 1.05 | ||||||||||||
1960 | 0.28 | 0.48 | 0.02 | 0.11 | 0.00 | 0.00 | 0.03 | 0.00 | 0.51 | 0.04 | 0.60 | 0.00 | 0.60 | |||||||||||||
1961 | 0.13 | 0.00 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.23 | 0.00 | 0.02 | 0.53 | 0.77 | 0.77 | |||||||||||||
1962 | 0.56 | 0.89 | 0.13 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.00 | 0.02 | 0.89 | |||||||||||||
1963 | 0.22 | 1.05 | 0.26 | 0.12 | 0.00 | 0.11 | 0.00 | 0.28 | 0.50 | 1.11 | 0.56 | 0.00 | 1.11 | |||||||||||||
1964 | 0.35 | 0.06 | 0.28 | 0.04 | 0.00 | 0.00 | 0.00 | 0.08 | 0.01 | 0.12 | 0.35 | 0.15 | 0.35 | |||||||||||||
1965 | 0.07 | 0.04 | 0.38 | 0.91 | 0.00 | 0.17 | 0.19 | 0.10 | 0.02 | 0.10 | 1.20 | 2.13 | 2.13 | |||||||||||||
1966 | 0.28 | 0.19 | 0.12 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.09 | 0.01 | 0.50 | 0.65 | 0.65 | |||||||||||||
1967 | 1.02 | 0.00 | 0.09 | 0.56 | 0.00 | 0.00 | 0.04 | 0.15 | 0.16 | 0.00 | 0.58 | 0.32 | 1.02 | |||||||||||||
1968 | 0.13 | 0.82 | 0.64 | 0.13 | 0.00 | 0.04 | 0.44 | 0.49 | 0.00 | 0.28 | 0.24 | 0.13 | 0.82 | |||||||||||||
1969 | 0.73 | 1.48 | 0.13 | 0.46 | 0.09 | 0.09 | 0.20 | 0.00 | 0.00 | 0.00 | 0.53 | 0.00 | 1.48 | |||||||||||||
1970 | 0.10 | 0.37 | 0.45 | 0.00 | 0.00 | 0.00 | 0.07 | 0.00 | 0.00 | 0.02 | 0.87 | 0.48 | 0.87 | |||||||||||||
1971 | 0.00 | 0.08 | 0.00 | 0.16 | 0.04 | 0.00 | 0.03 | 0.14 | 0.24 | 0.00 | 0.04 | 0.44 | 0.44 | |||||||||||||
1972 | 0.00 | 0.27 | 0.00 | 0.02 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.48 | 0.10 | 0.48 | |||||||||||||
1973 | 0.32 | 1.44 | 0.30 | 0.00 | 0.22 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.68 | 0.43 | 1.44 | |||||||||||||
1974 | 0.98 | 0.00 | 0.28 | 0.02 | 0.12 | 0.00 | 0.87 | 0.16 | 0.00 | 0.99 | 0.03 | 0.32 | 0.99 | |||||||||||||
1975 | 0.00 | 0.69 | 0.27 | 0.23 | 0.06 | 0.00 | 0.02 | 0.00 | 0.21 | 0.02 | 0.00 | 0.00 | 0.69 | |||||||||||||
1976 | 0.00 | 0.84 | 0.36 | 0.04 | 0.05 | 0.00 | 0.09 | 0.00 | 1.60 | 0.03 | 0.33 | 0.04 | 1.60 | |||||||||||||
1977 | 0.68 | 0.00 | 0.55 | 0.00 | 0.79 | 0.00 | 0.00 | 0.80 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | |||||||||||||
1978 | 1.08 | 2.14 | 1.00 | 0.46 | 0.00 | 0.00 | 0.00 | 0.21 | 0.33 | 0.31 | 0.05 | 0.01 | 2.14 | |||||||||||||
1979 | 2.04 | d | 0.11 | a | 1.05 | 0.00 | 0.06 | 0.00 | 0.10 | 0.08 | 0.02 | 0.01 | 0.00 | 0.10 | 2.04 | |||||||||||
1980 | 2.02 | 1.87 | A | 0.80 | 0.18 | 0.07 | 0.00 | 0.26 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 2.02 | ||||||||||||
1981 | 0.57 | 0.33 | 1.61 | 0.06 | 0.23 | 0.00 | 0.00 | 0.00 | 0.02 | 0.30 | 0.80 | 0.10 | 1.61 | |||||||||||||
1982 | 0.61 | 0.20 | 1.60 | 0.80 | 0.12 | 0.00 | 0.12 | 0.01 | 9999.00 | z | 0.46 | 1.44 | 0.70 | 1.60 | ||||||||||||
1983 | 1.20 | 1.27 | 3.43 | 0.44 | 0.00 | 0.15 | 0.00 | 0.64 | 0.14 | 0.10 | 0.09 | 1.25 | 3.43 | |||||||||||||
1984 | 0.00 | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.55 | 0.49 | 0.00 | 0.00 | 0.50 | 1.28 | 1.28 | |||||||||||||
1985 | 0.20 | a | 0.00 | 0.00 | 0.00 | 0.05 | 0.05 | 0.00 | 0.00 | 0.30 | 0.02 | 0.60 | 0.48 | a | 0.60 | |||||||||||
1986 | 0.74 | 1.04 | 0.46 | 0.06 | 0.00 | 0.00 | 0.12 | 0.49 | 0.00 | 0.00 | 0.62 | 0.00 | 1.04 | |||||||||||||
1987 | 0.75 | 0.08 | 0.36 | 0.00 | 0.23 | 0.39 | 0.00 | 0.01 | 0.26 | 1.64 | 0.41 | 0.98 | 1.64 | |||||||||||||
1988 | 1.19 | 0.07 | 0.06 | 0.84 | 0.00 | 0.00 | 0.24 | 0.42 | 0.12 | 0.00 | 0.18 | 0.41 | 1.19 | |||||||||||||
1989 | 0.15 | 0.20 | 0.52 | 0.00 | 0.01 | 0.00 | a | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.52 | ||||||||||||
1990 | 0.56 | 0.22 | 0.01 | 0.06 | 0.07 | 0.00 | 0.12 | 0.14 | 0.10 | 0.00 | 0.21 | 0.01 | 0.56 | |||||||||||||
1991 | 0.56 | 1.46 | 1.33 | 0.00 | 0.04 | 0.00 | 0.01 | 0.00 | 0.24 | 0.21 | 0.02 | 0.43 | 1.46 | |||||||||||||
1992 | 0.79 | A | 1.52 | 0.66 | 0.35 | 0.23 | A | 0.00 | 0.04 | 0.00 | 0.00 | 2.50 | A | 0.00 | 1.12 | A | 1.52 | |||||||||
1993 | 0.82 | 1.48 | 0.24 | 0.00 | 0.01 | 0.30 | 0.00 | 0.00 | 0.00 | 0.22 | 0.17 | 0.32 | 1.48 | |||||||||||||
1994 | 0.28 | 0.36 | 0.18 | 0.09 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.28 | 0.15 | 0.36 | |||||||||||||
1995 | 1.87 | 0.79 | 1.25 | 0.62 | 0.04 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | 0.40 | 1.87 | |||||||||||||
1996 | 0.10 | 1.16 | 0.10 | 0.00 | 0.00 | 0.00 | 0.10 | 0.04 | 0.00 | 0.48 | 0.88 | 0.54 | 1.16 | |||||||||||||
1997 | 0.24 | 0.01 | 0.00 | 0.04 | 0.00 | 0.00 | 0.07 | 0.00 | 1.61 | A | 0.00 | 0.40 | 0.42 | 0.42 | ||||||||||||
1998 | 0.24 | 2.46 | 0.65 | 0.20 | 0.47 | 0.00 | 0.00 | 0.80 | 0.39 | 0.02 | 0.18 | 0.00 | 2.46 | |||||||||||||
1999 | 0.37 | 0.10 | 0.11 | 1.13 | 0.23 | a | 0.00 | 0.32 | 0.00 | 0.01 | z | 0.00 | 0.00 | 0.00 | 1.13 | |||||||||||
2000 | 0.18 | z | 0.82 | t | 0.90 | z | 0.21 | z | 0.02 | z | 0.14 | 0.00 | 0.05 | 0.00 | 0.10 | 0.00 | l | 0.00 | a | 0.90 | ||||||
2001 | 1.32 | 1.08 | 0.28 | 0.38 | 0.08 | 0.00 | 0.14 | 0.00 | 0.00 | 0.18 | 0.56 | a | 0.24 | a | 1.32 | |||||||||||
2002 | 0.58 | a | 0.03 | 0.10 | 0.08 | a | 0.05 | 0.00 | 0.00 | 0.00 | d | 0.00 | 0.11 | 0.69 | b | 1.10 | a | 1.10 | ||||||||
2003 | 0.10 | 1.55 | 0.35 | 0.55 | b | 0.25 | f | 0.00 | 0.10 | 0.02 | 0.50 | 0.00 | 0.38 | c | 0.75 | 1.55 | ||||||||||
2004 | 0.00 | 0.92 | 0.29 | 0.26 | a | 0.00 | 0.00 | 0.00 | a | 0.30 | 0.00 | 1.50 | 0.22 | 1.28 | 1.50 | |||||||||||
2005 | 1.55 | 0.50 | b | 1.07 | 0.17 | 0.13 | 0.00 | 0.24 | 0.35 | 0.34 | 1.98 | 0.00 | 0.03 | 1.98 | ||||||||||||
2006 | 0.53 | 0.04 | 0.70 | 0.23 | 0.04 | 0.03 | 0.00 | 0.00 | 0.00 | 0.21 | 0.00 | 0.20 | 0.70 | |||||||||||||
2007 | 0.01 | 0.35 | 0.15 | 0.13 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.18 | 0.12 | 0.35 | |||||||||||||
2008 | 0.58 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 1.09 | 0.00 | 0.05 | 0.00 | 1.47 | 0.50 | 1.47 | |||||||||||||
2009 | 0.15 | 0.93 | 0.03 | 0.00 | 0.00 | 0.03 | 0.02 | 0.00 | 0.00 | 0.00 | 0.10 | 0.52 | 0.93 | |||||||||||||
2010 | 1.75 | A | 0.58 | 0.05 | 0.55 | 0.00 | 0.00 | 0.22 | 0.00 | 0.00 | 0.95 | 0.18 | 1.50 | A | 0.95 | |||||||||||
2011 | 0.35 | a | 0.27 | b | 0.60 | h | 0.00 | e | 0.00 | f | 0.00 | 0.20 | b | 0.01 | b | 0.00 | d | 0.14 | c | 0.15 | a | 0.40 | m | 0.60 | ||
2012 | 0.00 | v | 0.00 | o | 0.25 | j | 0.12 | l | 0.00 | q | 0.00 | c | 0.00 | c | 0.07 | c | 0.16 | a | 0.00 | 0.00 | b | 0.12 | 0.25 | |||
2013 | 0.27 | 0.05 | 0.25 | c | 0.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.00 | z | 0.27 | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.60 | 0.56 | 0.45 | 0.23 | 0.07 | 0.02 | 0.10 | 0.14 | 0.16 | 0.23 | 0.32 | 0.48 | 1.24 | |||||||||||||
S.D. | 0.59 | 0.58 | 0.58 | 0.27 | 0.15 | 0.07 | 0.19 | 0.24 | 0.35 | 0.47 | 0.37 | 0.51 | 0.64 | |||||||||||||
SKEW | 1.51 | 1.14 | 2.74 | 1.36 | 3.47 | 3.95 | 3.17 | 2.07 | 3.37 | 2.99 | 1.34 | 1.32 | 1.03 | |||||||||||||
MAX | 2.95 | 2.46 | 3.43 | 1.13 | 0.79 | 0.39 | 1.09 | 1.00 | 1.80 | 2.50 | 1.47 | 2.13 | 3.43 | |||||||||||||
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 | 0.35 | |||||||||||||
NO YRS | 72 | 72 | 71 | 70 | 69 | 73 | 73 | 74 | 74 | 76 | 74 | 74 | 61 |