YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1906 | ----- | z | ----- | z | 0.44 | ----- | z | ----- | z | 0.00 | 1.42 | 1.70 | 0.70 | 0.00 | 1.20 | 1.50 | 6.96 | d | ||||||||
1907 | 1.60 | 0.85 | 0.50 | 1.47 | 1.30 | 0.00 | ----- | z | ----- | z | 0.30 | 1.20 | 0.02 | ----- | z | 7.24 | c | |||||||||
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
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 | 0.42 | 1.40 | 0.00 | 0.34 | 1.14 | 1.02 | 0.85 | 1.76 | a | 0.12 | b | 0.11 | 1.19 | 8.35 | a | |||||||||
1938 | 1.64 | 1.84 | 3.08 | 0.06 | 2.36 | 0.15 | 1.07 | 2.34 | 0.37 | 0.80 | 0.19 | a | 0.57 | 14.47 | ||||||||||||
1939 | 1.42 | 0.70 | b | 2.04 | 0.92 | 0.14 | 0.12 | 0.47 | 0.01 | b | 8.09 | 0.14 | 0.60 | 0.05 | 14.70 | |||||||||||
1940 | 1.78 | 1.96 | 0.10 | 1.04 | 0.77 | 0.02 | 0.16 | 1.29 | 4.11 | 1.07 | 0.77 | 2.60 | 15.67 | |||||||||||||
1941 | 1.74 | 1.91 | 2.37 | 1.83 | 0.36 | 0.15 | 1.37 | 0.31 | 1.03 | 2.74 | 0.70 | 1.24 | 15.75 | |||||||||||||
1942 | 0.17 | 0.58 | 0.57 | 1.66 | 0.00 | 0.00 | 0.32 | 2.96 | 0.10 | 0.56 | 0.71 | 1.34 | 8.97 | |||||||||||||
1943 | 2.39 | 0.42 | 1.77 | 0.59 | 0.11 | 0.00 | 0.70 | 1.56 | 1.02 | 1.23 | 0.18 | 0.84 | 10.81 | |||||||||||||
1944 | 1.11 | 1.77 | 0.28 | 0.50 | 0.32 | 0.18 | 0.10 | 0.06 | 0.02 | 0.00 | 0.77 | 0.80 | 5.91 | |||||||||||||
1945 | 0.25 | 1.50 | 2.08 | 0.15 | 0.02 | 0.19 | 0.20 | 1.70 | 0.00 | 1.50 | 0.15 | 1.06 | 8.80 | |||||||||||||
1946 | 0.30 | 0.03 | 1.13 | 1.29 | 1.00 | 0.00 | 0.80 | 1.34 | 0.19 | 1.60 | 1.29 | 1.56 | 10.53 | |||||||||||||
1947 | 0.05 | 0.13 | 0.07 | 0.24 | 0.41 | 0.60 | 0.01 | 1.88 | 0.04 | 1.42 | 0.63 | 2.04 | 7.52 | |||||||||||||
1948 | 0.16 | 0.55 | 1.79 | 0.55 | 0.00 | 0.52 | 0.72 | 0.62 | 0.05 | 1.54 | 0.00 | 1.00 | 7.50 | |||||||||||||
1949 | 1.66 | 0.40 | 0.40 | 0.83 | 0.15 | 1.32 | 0.32 | 1.39 | 0.74 | 0.83 | 0.42 | 1.45 | 9.91 | |||||||||||||
1950 | 0.79 | 0.96 | 0.45 | 0.03 | 0.59 | 0.00 | 1.71 | 0.60 | 0.40 | 0.00 | 0.15 | 0.00 | 5.68 | |||||||||||||
1951 | 0.82 | 0.64 | 0.87 | 1.12 | 0.39 | 0.00 | 0.21 | 2.68 | 0.77 | 0.44 | 0.24 | 2.30 | 10.48 | |||||||||||||
1952 | 2.31 | 0.23 | 0.70 | a | 1.87 | 0.02 | 0.96 | 0.95 | 0.57 | 0.72 | 0.00 | 0.56 | 0.94 | 9.83 | ||||||||||||
1953 | 0.52 | 0.00 | 0.05 | 0.62 | 0.25 | 0.23 | 1.88 | 2.61 | 0.03 | 0.44 | 0.77 | 0.54 | 7.94 | |||||||||||||
1954 | 1.19 | 1.65 | 2.12 | 0.27 | 0.20 | 0.36 | 0.99 | 1.12 | 1.63 | 0.16 | 0.83 | 1.18 | 11.70 | |||||||||||||
1955 | 1.44 | 0.54 | a | 0.15 | 0.00 | 0.35 | 0.60 | 0.98 | 1.81 | 0.00 | 0.00 | 1.36 | 0.61 | 7.84 | ||||||||||||
1956 | 1.18 | 0.00 | 0.00 | 0.50 | 0.29 | 0.22 | 0.72 | 0.12 | 0.00 | 0.82 | 0.00 | 0.18 | 4.03 | |||||||||||||
1957 | 3.28 | 0.79 | 0.26 | 0.47 | 1.33 | 0.69 | 1.04 | 1.24 | 0.00 | 3.08 | 1.39 | 0.96 | 14.53 | |||||||||||||
1958 | 0.40 | 1.49 | 3.56 | 0.55 | 0.78 | 0.00 | 0.33 | 0.56 | 2.82 | 0.51 | 0.47 | 0.08 | 11.55 | |||||||||||||
1959 | 0.52 | 1.56 | 0.00 | 0.04 | 0.25 | 0.00 | 0.44 | 2.16 | 0.09 | 0.77 | 1.39 | 1.11 | 8.33 | |||||||||||||
1960 | 0.98 | 0.71 | 0.55 | 1.03 | 0.12 | 0.22 | 0.09 | 0.74 | 1.16 | 1.53 | 1.04 | 0.37 | 8.54 | |||||||||||||
1961 | 0.44 | 0.05 | 1.21 | 0.34 | 0.22 | 0.00 | 0.58 | 1.28 | 0.12 | 0.18 | 0.86 | 0.49 | 5.77 | |||||||||||||
1962 | 0.42 | 2.70 | 0.42 | 0.00 | 0.26 | 0.29 | 0.11 | 0.10 | 1.66 | 1.58 | 0.59 | 0.47 | 8.60 | |||||||||||||
1963 | 0.58 | 1.16 | 0.35 | 0.47 | 0.00 | 0.22 | 0.00 | 2.79 | 2.11 | 1.23 | 1.46 | 0.00 | 10.37 | |||||||||||||
1964 | 0.14 | 0.00 | 0.92 | 1.38 | 0.69 | 0.03 | 0.44 | 0.60 | 0.35 | 0.32 | 0.36 | 0.45 | 5.68 | |||||||||||||
1965 | 0.15 | 0.24 | 1.52 | 2.65 | 2.22 | 0.81 | 0.22 | 0.50 | 0.28 | 0.64 | 3.19 | 1.80 | 14.22 | |||||||||||||
1966 | 0.10 | 1.38 | 0.00 | 0.01 | 0.72 | 0.07 | 0.16 | 0.73 | 0.58 | 0.42 | 1.21 | 3.74 | 9.12 | |||||||||||||
1967 | 0.92 | 0.00 | 0.33 | 0.50 | 0.90 | 0.01 | 0.87 | 1.81 | 2.62 | 0.05 | 0.74 | 1.35 | 10.10 | |||||||||||||
1968 | 0.32 | 1.11 | a | 0.95 | 0.37 | 0.27 | 0.64 | 1.61 | 0.95 | d | 0.03 | 0.13 | c | 0.29 | 0.51 | 7.18 | ||||||||||
1969 | 4.50 | 0.57 | s | 1.87 | b | 0.00 | 0.93 | 0.29 | 1.60 | 0.75 | 0.45 | 0.55 | 0.97 | r | 0.00 | 10.94 | b | |||||||||
1970 | 0.73 | 0.41 | 1.69 | 0.26 | 0.00 | 0.19 | 0.81 | 0.99 | 0.61 | 0.08 | 1.13 | 0.65 | 7.55 | |||||||||||||
1971 | 0.00 | 1.08 | 0.10 | 0.14 | 1.07 | h | 0.00 | 0.96 | 4.11 | f | 0.03 | 1.47 | 0.51 | 1.63 | 5.92 | b | ||||||||||
1972 | 0.26 | 0.00 | 0.00 | 0.23 | 0.00 | 0.95 | 0.35 | 0.95 | 0.82 | 3.06 | 1.21 | 0.95 | 8.78 | |||||||||||||
1973 | 3.44 | 0.83 | 2.80 | c | 0.21 | 0.25 | 1.17 | 1.55 | f | 0.71 | 0.00 | 0.00 | 0.96 | 0.19 | 10.56 | a | ||||||||||
1974 | 2.69 | 0.09 | 0.00 | u | 0.17 | 0.00 | 0.00 | 0.19 | g | 0.49 | 0.36 | k | 1.69 | m | 1.00 | 0.54 | 4.98 | d | ||||||||
1975 | 0.65 | 0.85 | 1.07 | n | 1.91 | h | 0.67 | 0.22 | 1.73 | 0.46 | 0.23 | n | 0.11 | v | ----- | z | ----- | z | 4.58 | f | ||||||
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 | ----- | z | 0.00 | l |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2004 | ----- | z | ----- | z | 0.00 | 0.45 | 0.20 | 0.24 | 0.68 | 1.80 | 0.77 | 3.71 | 1.56 | 0.26 | b | 9.67 | b | |||||||||
2005 | 3.18 | b | 2.77 | g | 0.84 | 1.78 | 0.51 | 1.13 | a | 0.32 | 0.78 | 0.17 | 1.93 | 0.00 | a | 0.05 | k | 10.64 | b | |||||||
2006 | 0.09 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.09 | k |
2007 | 0.15 | 0.43 | 0.46 | 1.29 | 0.07 | 0.00 | 1.92 | 0.75 | 1.36 | 0.01 | 1.15 | 1.40 | i | 7.59 | a | |||||||||||
2008 | 1.74 | 1.54 | 0.09 | 0.00 | 0.26 | 0.00 | 0.45 | 1.54 | 0.05 | 0.43 | g | 1.66 | a | 1.31 | 8.64 | a | ||||||||||
2009 | 0.50 | 0.75 | f | 0.00 | 0.13 | 0.53 | 0.11 | 0.13 | 0.16 | ----- | z | ----- | z | ----- | z | ----- | z | 1.56 | e | |||||||
2010 | 0.35 | b | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.21 | ----- | z | ----- | z | ----- | z | 0.00 | ----- | z | 0.56 | d | |||||||
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.09 | 0.80 | 0.90 | 0.62 | 0.46 | 0.30 | 0.71 | 1.14 | 0.89 | 0.90 | 0.77 | 0.97 | 9.65 | |||||||||||||
S.D. | 1.06 | 0.69 | 0.93 | 0.64 | 0.53 | 0.38 | 0.55 | 0.78 | 1.44 | 0.94 | 0.61 | 0.78 | 3.08 | |||||||||||||
SKEW | 1.33 | 0.70 | 1.08 | 1.19 | 2.03 | 1.31 | 0.70 | 0.65 | 3.35 | 1.27 | 1.35 | 1.29 | 0.48 | |||||||||||||
MAX | 4.50 | 2.70 | 3.56 | 2.65 | 2.36 | 1.32 | 1.92 | 2.96 | 8.09 | 3.71 | 3.19 | 3.74 | 15.75 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 4.03 | |||||||||||||
YRS | 45 | 42 | 45 | 45 | 45 | 47 | 44 | 44 | 43 | 42 | 44 | 41 | 33 |