YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.05 | 0.50 | ----- | z | ||
1915 | 0.25 | 0.20 | 0.50 | 0.65 | 0.35 | 0.30 | 1.00 | 0.15 | 0.55 | 0.00 | 0.35 | 0.40 | 1.00 | |||||||||||||
1916 | 0.30 | 0.30 | 0.32 | 0.90 | 0.00 | 0.00 | 0.40 | 0.55 | 0.10 | 0.50 | 0.30 | ----- | z | ----- | z | |||||||||||
1917 | ----- | z | ----- | z | ----- | z | 0.45 | 0.55 | 0.00 | 0.70 | 0.50 | 0.50 | 0.00 | 0.00 | 0.00 | ----- | z | |||||||||
1918 | 0.45 | 0.30 | 0.33 | 0.25 | 0.10 | 1.50 | 0.80 | 0.60 | 0.20 | 0.25 | ----- | z | ----- | z | ----- | z | ||||||||||
1919 | ----- | z | 0.45 | a | 0.28 | 0.10 | ----- | z | ----- | z | ----- | z | ----- | z | 0.35 | 0.30 | 0.30 | ----- | z | ----- | z | |||||
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.21 | 0.48 | 0.49 | 0.51 | ----- | z | ||||
1952 | 1.26 | 0.26 | 0.26 | 0.49 | 0.14 | 0.35 | 0.48 | 0.27 | 0.42 | 0.00 | 0.35 | 0.26 | 1.26 | |||||||||||||
1953 | 0.19 | 0.19 | 0.17 | 0.86 | 0.03 | 0.26 | 0.82 | 0.43 | 0.08 | 0.49 | 0.40 | 0.16 | 0.86 | |||||||||||||
1954 | 0.22 | 0.18 | 0.83 | a | 0.19 | 0.43 | 0.09 | 1.60 | 0.23 | 0.67 | 0.74 | 0.09 | 0.34 | 1.60 | a | |||||||||||
1955 | 0.19 | 0.55 | 0.15 | 0.17 | 0.30 | 0.60 | 0.62 | 1.60 | 0.03 | 0.10 | 0.29 | 0.09 | 1.60 | |||||||||||||
1956 | 0.66 | 1.03 | 0.45 | 0.30 | 0.40 | 0.27 | 0.50 | 0.76 | 0.00 | 0.38 | 0.10 | 0.44 | 1.03 | |||||||||||||
1957 | 0.54 | 0.49 | 0.16 | 0.56 | 0.65 | 0.16 | 0.86 | d | 0.60 | 0.00 | 0.71 | 0.30 | d | 0.10 | 0.86 | h | ||||||||||
1958 | 0.40 | 0.36 | 0.43 | 0.42 | 0.18 | 0.22 | 0.30 | 0.13 | 0.48 | 0.27 | 0.39 | 0.00 | a | 0.48 | a | |||||||||||
1959 | 0.11 | 0.25 | 0.01 | 0.64 | 0.01 | 0.19 | p | 0.30 | 1.02 | 0.38 | 0.74 | 0.31 | a | 0.70 | c | 1.02 | t | |||||||||
1960 | ----- | z | ----- | z | 0.15 | 0.00 | ----- | z | 0.39 | 0.78 | 0.67 | 0.00 | 0.66 | ----- | z | ----- | z | ----- | z | |||||||
1961 | 0.84 | 0.30 | 1.01 | 0.38 | 0.25 | 0.00 | 1.03 | 0.08 | 0.50 | 0.60 | 0.58 | 1.12 | 1.12 | |||||||||||||
1962 | 0.35 | 0.44 | r | 0.34 | 0.20 | ----- | z | 0.19 | 0.03 | 0.30 | 0.67 | 1.53 | 0.75 | 0.37 | ----- | z | ||||||||||
1963 | 0.55 | 0.26 | 0.10 | 0.00 | 0.00 | 0.20 | 0.30 | 0.78 | 0.15 | 0.83 | 0.10 | 1.05 | 1.05 | |||||||||||||
1964 | 0.20 | 0.35 | 1.72 | a | 0.40 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | |||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.45 | 0.45 | 0.62 | ----- | z | ----- | z | ----- | z | |||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.20 | ----- | z | |
1967 | 0.00 | 0.00 | 0.40 | b | 0.20 | 0.08 | 0.03 | 0.22 | 0.43 | ----- | z | 0.00 | 0.50 | ----- | z | ----- | z | |||||||||
1968 | ----- | z | ----- | z | ----- | z | 0.00 | b | 0.00 | 0.42 | 0.23 | 0.28 | 0.45 | 1.32 | 0.30 | 0.55 | ----- | z | ||||||||
1969 | 0.04 | 0.30 | 0.80 | 0.05 | 0.75 | 0.13 | 1.66 | 0.75 | 0.15 | 1.60 | 0.40 | 0.50 | 1.66 | |||||||||||||
1970 | 0.40 | 0.10 | 0.50 | 1.52 | 0.00 | 0.16 | 0.40 | 0.13 | 1.50 | 0.20 | 0.15 | 0.24 | 1.52 | |||||||||||||
1971 | 0.75 | 0.30 | 0.40 | 0.40 | 0.30 | 0.00 | 0.21 | 0.75 | 0.94 | 1.40 | 0.15 | 0.70 | 1.40 | |||||||||||||
1972 | 0.10 | 0.00 | 0.25 | 0.00 | 0.01 | 0.68 | 0.26 | 0.40 | 0.32 | 0.70 | 0.20 | ----- | z | ----- | z | |||||||||||
1973 | 2.02 | 0.60 | 0.40 | 0.60 | 0.10 | 0.00 | 0.40 | 0.20 | 0.65 | 0.05 | 0.80 | 0.10 | 2.02 | |||||||||||||
1974 | 0.90 | 0.40 | 0.15 | 0.06 | 0.00 | 0.00 | 0.70 | 0.40 | 0.00 | 0.75 | 0.58 | 0.40 | 0.90 | |||||||||||||
1975 | 0.45 | ----- | z | ----- | z | 0.09 | 0.14 | 0.00 | 0.90 | 0.00 | 0.25 | o | 0.30 | 0.50 | 0.50 | ----- | z | |||||||||
1976 | 0.80 | 0.30 | q | 0.05 | 0.20 | 1.10 | 0.00 | 0.69 | 1.05 | 1.60 | 0.29 | e | 0.15 | 0.25 | 1.60 | v | ||||||||||
1977 | 1.10 | r | 0.20 | 0.05 | 0.00 | 0.00 | 0.00 | 0.70 | 0.50 | 0.00 | 0.06 | 0.00 | ----- | z | ----- | z | ||||||||||
1978 | 0.71 | 0.10 | i | 0.54 | 0.50 | 0.60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 1.36 | 0.60 | 1.36 | i | |||||||||||
1979 | 0.40 | 0.80 | ----- | z | 0.20 | 2.00 | x | 0.50 | ----- | z | 0.44 | 0.00 | 0.48 | 1.40 | 0.70 | b | ----- | z | ||||||||
1980 | ----- | z | 0.25 | e | ----- | z | 0.20 | 0.00 | 0.00 | 0.51 | 0.84 | 0.98 | ----- | z | 0.00 | 0.00 | ----- | z | ||||||||
1981 | ----- | z | 0.30 | a | 2.00 | 0.20 | 0.30 | 0.27 | 0.69 | 0.48 | 1.18 | 0.45 | 0.70 | 0.50 | ----- | z | ||||||||||
1982 | 0.28 | 0.00 | ----- | z | 0.00 | 0.00 | 0.00 | 0.30 | 0.90 | 0.77 | 0.00 | ----- | z | 0.70 | b | ----- | z | |||||||||
1983 | 0.50 | 0.00 | 1.10 | 0.30 | 0.00 | 0.50 | 1.52 | 0.72 | 0.30 | 1.00 | 0.00 | a | ----- | z | ----- | z | ||||||||||
1984 | 0.00 | c | 0.30 | 0.30 | ----- | z | 0.00 | 0.35 | 0.49 | 0.85 | 0.80 | 1.00 | 0.00 | 0.50 | ----- | z | ||||||||||
1985 | 0.90 | 0.70 | a | 0.20 | 0.23 | 0.00 | 0.00 | 0.80 | 0.92 | 0.36 | 0.80 | 0.52 | 0.00 | 0.92 | a | |||||||||||
1986 | 0.00 | 0.00 | ----- | z | 0.00 | 0.00 | 0.57 | 1.38 | 0.65 | 0.92 | 0.44 | 1.13 | 0.75 | b | ----- | z | ||||||||||
1987 | ----- | z | 0.40 | 0.00 | a | 0.30 | 0.17 | 0.00 | 0.64 | 0.81 | 0.43 | 1.00 | 0.95 | 0.20 | b | ----- | z | |||||||||
1988 | 0.66 | 0.12 | 0.01 | 1.15 | 0.80 | 0.82 | 0.16 | 1.13 | 0.65 | 0.00 | 0.63 | 0.31 | 1.15 | |||||||||||||
1989 | 0.00 | f | 1.20 | 0.19 | b | 0.00 | 0.00 | 0.00 | 0.24 | 0.76 | 0.00 | 0.20 | 0.00 | 0.00 | 1.20 | h | ||||||||||
1990 | 0.00 | b | 0.60 | 0.00 | a | 0.40 | 0.45 | ----- | z | 1.16 | 0.86 | 0.78 | 0.87 | 0.40 | b | 0.00 | s | ----- | z | |||||||
1991 | 1.30 | 0.20 | 0.00 | b | 0.00 | 0.00 | 0.57 | 0.00 | 0.36 | 0.60 | 0.00 | 0.84 | 1.40 | d | 1.40 | f | ||||||||||
1992 | 0.00 | a | 0.00 | h | ----- | z | 0.00 | 1.43 | 0.25 | 0.56 | 0.77 | 0.42 | 0.46 | 0.00 | a | ----- | z | ----- | z | |||||||
1993 | 0.40 | b | ----- | z | 0.40 | e | 0.00 | 0.00 | 0.00 | 0.00 | 0.55 | 0.52 | 0.63 | 0.00 | 0.00 | ----- | z | |||||||||
1994 | 0.10 | 0.31 | 0.10 | 0.16 | 0.46 | 0.00 | 0.32 | 0.39 | 0.96 | 0.54 | 0.16 | a | ----- | z | ----- | z | ||||||||||
1995 | ----- | z | 0.00 | ----- | z | ----- | z | 0.50 | 0.60 | 0.71 | 0.51 | 0.63 | 0.00 | 0.16 | ----- | z | ----- | z | ||||||||
1996 | 0.00 | 0.00 | a | 0.00 | b | 0.00 | 0.00 | 0.66 | 1.15 | 0.20 | 0.98 | 0.57 | ----- | z | ----- | z | ----- | z | ||||||||
1997 | ----- | z | 0.00 | c | 0.00 | ----- | z | 0.00 | 0.00 | 0.67 | 1.02 | 0.20 | 0.00 | 0.30 | 0.00 | ----- | z | |||||||||
1998 | 0.00 | b | 0.00 | a | 0.00 | b | 0.00 | 0.00 | 0.05 | 1.58 | a | 0.08 | 0.00 | 1.15 | 0.06 | 0.00 | c | 1.58 | i | |||||||
1999 | 0.00 | b | 0.00 | 0.00 | 0.50 | c | 0.00 | b | 0.00 | ----- | z | ----- | z | 0.10 | d | 0.00 | 0.03 | 0.05 | a | ----- | z | |||||
2000 | 0.00 | a | ----- | z | 0.00 | 0.00 | a | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | k | 0.00 | 0.00 | ----- | z | ||||||||
2001 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 0.00 | 0.14 | |||||||||||||
2002 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | 0.00 | 0.00 | 1.50 | 0.00 | 0.00 | ----- | z | ----- | z | ||||||||||
2003 | 0.00 | ----- | z | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | 0.08 | j | 0.15 | b | 0.77 | c | 0.30 | a | 0.15 | 0.60 | 0.90 | 0.17 | 0.94 | 0.08 | 0.00 | ----- | z | |||||||
2006 | 0.00 | a | 0.00 | ----- | z | 0.00 | ----- | z | 0.10 | 0.90 | 0.64 | 0.57 | 0.35 | 0.40 | 0.30 | ----- | z | |||||||||
2007 | 0.00 | 0.00 | 0.60 | e | 0.42 | e | 0.75 | 0.27 | 1.05 | 1.20 | j | 1.14 | 0.00 | 0.00 | 0.10 | 1.20 | t | |||||||||
2008 | ----- | z | 0.15 | a | 0.00 | 0.00 | 0.24 | 0.40 | 1.13 | b | 0.43 | 0.26 | 0.58 | 0.00 | 3.00 | ----- | z | |||||||||
2009 | 0.00 | f | 0.00 | b | ----- | z | ----- | z | 0.05 | 0.20 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.37 | 0.26 | 0.32 | 0.28 | 0.22 | 0.22 | 0.62 | 0.53 | 0.46 | 0.49 | 0.32 | 0.40 | 1.16 | |||||||||||||
S.D. | 0.43 | 0.27 | 0.42 | 0.32 | 0.31 | 0.29 | 0.44 | 0.34 | 0.42 | 0.42 | 0.35 | 0.51 | 0.46 | |||||||||||||
SKEW | 1.63 | 1.40 | 2.26 | 1.62 | 1.81 | 1.97 | 0.58 | 0.41 | 0.89 | 0.73 | 1.35 | 3.08 | -0.30 | |||||||||||||
MAX | 2.02 | 1.20 | 2.00 | 1.52 | 1.43 | 1.50 | 1.66 | 1.60 | 1.60 | 1.60 | 1.40 | 3.00 | 2.02 | |||||||||||||
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 | 0.14 | |||||||||||||
YRS | 46 | 48 | 49 | 56 | 55 | 55 | 54 | 55 | 58 | 57 | 56 | 46 | 17 |