YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1911 | 1.05 | 0.42 | 0.56 | 0.10 | 0.00 | 2.00 | ----- | z | 0.85 | 3.08 | ----- | z | 0.00 | 0.58 | 8.64 | b | ||||||||||
1912 | 0.00 | 0.00 | 3.04 | 0.71 | 0.13 | 1.23 | 2.79 | 4.08 | 0.10 | 2.00 | 0.05 | 0.93 | 15.06 | |||||||||||||
1913 | 0.38 | 2.49 | 0.10 | 0.41 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.38 | h | ||||
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | 1.03 | 0.00 | 8.71 | r | 0.19 | 1.88 | 0.00 | 0.00 | 0.00 | 3.10 | e | |||||||
1918 | 1.96 | 0.67 | 0.33 | 0.00 | 0.06 | 1.32 | 1.98 | 2.93 | 0.00 | 0.47 | 1.09 | 1.72 | 12.53 | |||||||||||||
1919 | 0.37 | 0.48 | 0.46 | 0.95 | 0.46 | 1.20 | 8.17 | 1.59 | 3.40 | 0.15 | 2.32 | 0.73 | 20.28 | |||||||||||||
1920 | 2.46 | 0.53 | 1.45 | 0.00 | ----- | z | 0.50 | 1.55 | 2.35 | 0.20 | 0.60 | 0.00 | 0.00 | 9.64 | a | |||||||||||
1921 | 0.00 | 0.10 | 0.09 | 0.55 | 0.00 | ----- | z | 4.41 | y | 3.40 | w | 1.70 | ----- | z | ----- | z | 0.22 | 2.66 | e | |||||||
1922 | ----- | z | 0.35 | 1.37 | ----- | z | 0.00 | ----- | z | 1.65 | 2.89 | y | 1.30 | ----- | z | ----- | z | ----- | z | 4.67 | g | |||||
1923 | ----- | z | 0.93 | 0.43 | ----- | z | ----- | z | ----- | z | 2.10 | 3.06 | ----- | z | ----- | z | 3.87 | 1.65 | 12.04 | f | ||||||
1924 | 0.20 | ----- | z | 1.42 | 0.24 | ----- | z | 0.03 | 2.87 | 0.43 | 0.65 | 0.00 | ----- | z | ----- | z | 5.84 | d | ||||||||
1925 | ----- | z | 0.00 | 0.19 | 0.48 | ----- | z | ----- | z | 3.05 | 2.84 | ----- | z | ----- | z | ----- | z | 0.58 | 7.14 | f | ||||||
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.15 | 2.06 | 3.21 | j | ||
1941 | 0.28 | 2.89 | 1.82 | 1.41 | 0.78 | 0.00 | 1.15 | 1.00 | 1.22 | 0.15 | 0.49 | 1.88 | 13.07 | |||||||||||||
1942 | 0.86 | 1.05 | 0.48 | 1.82 | 0.00 | 0.00 | 3.37 | 1.27 | 0.22 | 0.39 | 0.00 | 0.00 | 9.46 | |||||||||||||
1943 | 0.78 | 0.09 | 0.57 | 0.00 | 0.00 | 1.47 | 1.22 | 2.95 | 1.21 | 0.24 | 0.00 | 0.57 | 9.10 | |||||||||||||
1944 | 0.55 | 2.05 | 1.03 | 0.33 | 1.04 | 0.00 | 0.22 | 3.39 | 1.02 | 1.40 | 1.99 | 0.47 | 13.49 | |||||||||||||
1945 | 1.60 | 0.00 | 0.66 | 0.05 | ----- | z | ----- | z | ----- | z | 4.64 | 0.03 | 1.54 | 0.00 | 0.18 | 8.70 | c | |||||||||
1946 | 1.38 | 0.23 | 0.70 | 0.18 | 0.00 | 0.00 | 2.95 | 3.20 | 3.58 | 0.51 | 0.63 | 0.91 | 14.27 | |||||||||||||
1947 | 0.00 | 0.00 | 0.19 | 0.02 | 0.31 | 0.07 | 1.81 | 2.96 | 0.88 | 1.53 | 0.88 | 0.23 | 8.88 | |||||||||||||
1948 | 0.00 | 0.32 | 0.80 | 0.00 | 0.00 | 0.07 | 0.84 | a | 2.53 | b | 0.09 | a | 1.29 | 0.01 | 0.68 | a | 6.63 | |||||||||
1949 | 2.04 | c | 0.25 | c | 0.16 | b | 0.11 | 0.00 | 0.01 | 2.17 | 0.43 | 2.23 | 1.06 | 0.13 | 1.63 | 10.22 | ||||||||||
1950 | 0.09 | 1.09 | 0.00 | 0.00 | 0.00 | 0.00 | 5.38 | 0.49 | 0.14 | 0.01 | 0.00 | 0.00 | 7.20 | |||||||||||||
1951 | 0.94 | 0.10 | 0.09 | 0.99 | 0.00 | 0.00 | 1.12 | 3.21 | 0.50 | 0.93 | 1.52 | 0.67 | 10.07 | |||||||||||||
1952 | 0.60 | 0.04 | 2.37 | 1.17 | 0.00 | 0.12 | 1.47 | 3.37 | 0.00 | 0.00 | 2.25 | 1.35 | 12.74 | |||||||||||||
1953 | 0.04 | 0.98 | 1.21 | 0.24 | 0.00 | 0.06 | 4.49 | 1.85 | 0.00 | 0.17 | 0.00 | 0.05 | 9.09 | |||||||||||||
1954 | 1.41 | 0.38 | 2.06 | 0.00 | 0.46 | 0.60 | 3.22 | 4.06 | 1.07 | 0.66 | 0.00 | 0.03 | 13.95 | |||||||||||||
1955 | 2.51 | 0.15 | 0.00 | 0.00 | d | 0.00 | 0.05 | 2.75 | 3.35 | 0.00 | 0.42 | 0.01 | 0.06 | 9.30 | ||||||||||||
1956 | 0.78 | 0.62 | 0.00 | 0.12 | 0.00 | 0.19 | 3.34 | 0.71 | 0.34 | 0.15 | 0.00 | 0.53 | 6.78 | |||||||||||||
1957 | 1.35 | e | 0.69 | 1.37 | 0.07 | 0.14 | 0.00 | 1.38 | 0.79 | 0.01 | 5.48 | 0.42 | 0.74 | 12.44 | ||||||||||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1959 | 0.00 | 0.94 | 0.00 | 0.25 | 0.00 | 0.12 | 5.11 | 2.92 | 0.10 | 1.33 | 0.18 | 3.36 | 14.31 | |||||||||||||
1960 | 3.22 | 0.43 | 0.08 | 0.00 | 0.00 | 0.00 | 0.97 | 1.95 | 2.88 | 0.46 | 0.00 | 1.01 | 11.00 | |||||||||||||
1961 | 1.74 | 0.00 | 0.66 | 0.00 | 0.00 | 0.00 | 5.27 | 2.92 | 1.24 | 0.58 | 0.81 | 2.22 | 15.44 | |||||||||||||
1962 | 1.46 | 0.31 | 0.36 | 0.00 | 0.00 | 0.90 | 1.74 | 1.64 | 6.78 | 0.04 | 0.55 | 1.71 | 15.49 | |||||||||||||
1963 | 0.65 | 0.87 | 0.40 | 0.60 | 0.00 | 0.05 | 1.95 | 1.87 | 2.73 | 0.95 | 1.52 | ----- | z | 11.59 | a | |||||||||||
1964 | 0.06 | 0.20 | 1.02 | 0.59 | 0.00 | 0.00 | 3.05 | 4.97 | 1.01 | 1.14 | 1.01 | 1.13 | 14.18 | |||||||||||||
1965 | 0.60 | 1.19 | 0.24 | 0.78 | 0.00 | 0.00 | 1.35 | 2.65 | 0.35 | 0.00 | 0.36 | 6.80 | 14.32 | |||||||||||||
1966 | 1.85 | 3.30 | 0.05 | 0.00 | 0.03 | 0.12 | 3.54 | 2.52 | 0.83 | 0.46 | 0.82 | 0.10 | 13.62 | |||||||||||||
1967 | 0.02 | 0.01 | 0.15 | 0.31 | 0.53 | 0.91 | 2.72 | 4.92 | 0.46 | 0.97 | 0.75 | 7.24 | 18.99 | |||||||||||||
1968 | 0.23 | 0.89 | 1.42 | 0.37 | 0.00 | 0.00 | 3.54 | 2.06 | 0.43 | 0.39 | 0.42 | 0.95 | 10.70 | |||||||||||||
1969 | 0.53 | 0.25 | 0.42 | 0.34 | 0.59 | 0.00 | 4.39 | 2.32 | 0.61 | 0.00 | 1.02 | 0.57 | 11.04 | |||||||||||||
1970 | 0.35 | 0.26 | 1.89 | 0.04 | 0.00 | 0.00 | 1.47 | 3.24 | 5.88 | 0.20 | 0.02 | 0.44 | 13.79 | |||||||||||||
1971 | 0.00 | 0.63 | 0.00 | 0.17 | 0.00 | 0.00 | 2.42 | 5.53 | 1.13 | 1.68 | 0.46 | 1.04 | 13.06 | |||||||||||||
1972 | 0.00 | 0.00 | 0.00 | 0.00 | 0.23 | 0.29 | 1.20 | 2.23 | 0.48 | 5.99 | 1.79 | 0.20 | a | 12.41 | ||||||||||||
1973 | 0.31 | h | 1.18 | 2.58 | 0.00 | 0.00 | 0.13 | 2.59 | 3.13 | 0.00 | 0.00 | 1.16 | 0.00 | 10.77 | a | |||||||||||
1974 | 0.77 | a | 0.00 | 0.81 | 0.00 | 0.00 | 0.00 | 3.47 | k | 0.38 | 3.04 | 2.26 | 0.00 | c | 0.46 | 7.72 | a | |||||||||
1975 | 0.00 | 0.08 | 1.04 | 0.46 | 0.00 | 0.00 | 3.24 | 3.68 | 1.90 | t | ----- | z | ----- | z | ----- | z | 8.50 | d | ||||||||
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.25 | a | 0.25 | k |
1999 | 0.00 | 0.00 | 0.12 | 0.70 | d | 0.00 | 0.00 | 2.38 | 2.94 | 1.08 | 0.00 | 0.00 | 0.00 | 7.22 | ||||||||||||
2000 | 0.00 | 0.00 | 2.61 | 0.00 | 0.00 | 2.15 | 0.88 | 3.87 | b | 0.00 | 4.47 | 0.61 | 0.00 | 14.59 | ||||||||||||
2001 | 1.74 | 1.07 | 0.76 | a | 0.90 | 0.55 | 0.90 | 2.43 | 2.56 | a | 0.10 | 0.16 | 0.30 | 1.06 | 12.53 | |||||||||||
2002 | 1.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 2.73 | 0.99 | 0.53 | 0.27 | 0.65 | 1.85 | 8.52 | |||||||||||||
2003 | 0.01 | 1.48 | 0.44 | 0.08 | 0.15 | 0.00 | 3.51 | b | 2.40 | 1.98 | 0.52 | 0.44 | 0.22 | 11.23 | ||||||||||||
2004 | 1.28 | 0.42 | 0.97 | 0.94 | 0.00 | 0.00 | 3.33 | 2.94 | 1.57 | 0.53 | 0.59 | 1.50 | 14.07 | |||||||||||||
2005 | 1.47 | d | 1.39 | 0.27 | 0.09 | 0.00 | 0.00 | 1.56 | 5.07 | 0.40 | 0.20 | 0.00 | 0.00 | 10.45 | ||||||||||||
2006 | 0.00 | 0.02 | 0.87 | 0.00 | 0.00 | 0.67 | a | 3.47 | a | 0.72 | 3.43 | a | 0.00 | 0.00 | b | 0.11 | 9.29 | |||||||||
2007 | 0.64 | 0.00 | 0.80 | c | 0.11 | b | 0.00 | f | 0.00 | f | 2.01 | c | 3.48 | b | 1.74 | d | 0.00 | e | 0.11 | b | 1.13 | b | 10.02 | b | ||
2008 | 0.73 | e | 1.81 | e | 0.25 | 0.00 | a | 0.06 | g | 0.00 | q | 0.11 | y | 5.50 | j | 1.10 | u | 0.00 | m | 0.67 | a | 0.56 | 4.02 | f | ||
2009 | 0.58 | 0.77 | b | 0.01 | 0.68 | 0.75 | d | 0.05 | 2.23 | a | 0.52 | 1.57 | a | 0.00 | 0.05 | a | 0.00 | 7.21 | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.78 | 0.63 | 0.74 | 0.32 | 0.15 | 0.31 | 2.60 | 2.51 | 1.25 | 0.85 | 0.60 | 0.97 | 11.90 | |||||||||||||
S.D. | 0.79 | 0.75 | 0.75 | 0.41 | 0.28 | 0.55 | 1.43 | 1.35 | 1.46 | 1.30 | 0.78 | 1.40 | 3.15 | |||||||||||||
SKEW | 1.01 | 1.75 | 1.28 | 1.55 | 1.91 | 1.90 | 1.37 | 0.09 | 1.86 | 2.67 | 1.98 | 3.12 | 0.33 | |||||||||||||
MAX | 3.22 | 3.30 | 3.04 | 1.82 | 1.04 | 2.15 | 8.17 | 5.53 | 6.78 | 5.99 | 3.87 | 7.24 | 20.28 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | 0.19 | 0.00 | 0.00 | 0.00 | 0.00 | 6.63 | |||||||||||||
YRS | 52 | 55 | 56 | 54 | 49 | 49 | 50 | 53 | 52 | 49 | 52 | 54 | 41 |