YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1904 | ----- | z | ----- | z | ----- | z | ----- | z | 0.25 | ----- | z | 0.29 | 0.61 | 0.56 | 0.10 | 0.10 | 0.40 | ----- | z | |||||||
1905 | 0.12 | 0.08 | 0.10 | 0.00 | 0.14 | 0.21 | 0.16 | e | 2.10 | 1.50 | 0.60 | 0.50 | ----- | z | ----- | z | ||||||||||
1906 | ----- | z | 0.00 | 0.00 | ----- | z | ----- | z | 4.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | 0.02 | 0.26 | 0.83 | 0.37 | 0.14 | 0.45 | 0.10 | 0.19 | 0.20 | ----- | z | |||||||||
1942 | 0.07 | 0.16 | 0.32 | 0.05 | 0.18 | 0.57 | 1.08 | a | ----- | z | ----- | z | 0.07 | 0.07 | 0.05 | ----- | z | |||||||||
1943 | 0.22 | 0.01 | 0.10 | q | 0.02 | 0.45 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
1944 | ----- | z | 0.14 | 0.15 | 0.02 | 0.48 | u | 0.80 | 1.55 | a | 0.72 | a | 0.34 | 0.11 | a | 0.03 | 0.20 | ----- | z | |||||||
1945 | 0.06 | 0.13 | 0.04 | 0.07 | 0.09 | 0.78 | 0.53 | 0.33 | 0.69 | 0.11 | 0.17 | 0.05 | 0.78 | |||||||||||||
1946 | ----- | z | 0.12 | 0.02 | 0.01 | 1.25 | 0.58 | 0.95 | j | 0.18 | 0.34 | 0.31 | 0.09 | 0.33 | ----- | z | ||||||||||
1947 | 0.41 | 0.07 | 0.02 | 0.21 | 0.40 | 1.18 | 0.44 | 0.54 | 1.38 | 0.18 | 0.16 | 0.13 | 1.38 | |||||||||||||
1948 | 0.14 | 0.11 | a | 0.06 | 0.15 | 0.11 | 0.86 | 0.72 | 0.71 | 0.19 | 0.04 | 0.05 | 0.09 | 0.86 | a | |||||||||||
1949 | 0.62 | 0.14 | 0.00 | 0.11 | 0.17 | 0.35 | 0.61 | 0.14 | 0.24 | 0.24 | 0.05 | 0.18 | 0.62 | |||||||||||||
1950 | 0.30 | 0.08 | 0.07 | 0.18 | 0.43 | 0.39 | 1.05 | 0.71 | 1.03 | y | 0.09 | 0.25 | 0.14 | 1.05 | y | |||||||||||
1951 | 0.12 | 0.14 | 0.03 | 0.09 | 0.21 | 0.57 | 0.30 | 0.18 | 0.33 | 0.28 | ----- | z | 0.12 | ----- | z | |||||||||||
1952 | 0.30 | 0.03 | 0.10 | h | 0.01 | 0.25 | 0.74 | 0.17 | c | 0.18 | d | 0.20 | b | 0.15 | 0.17 | e | 0.07 | 0.74 | v | |||||||
1953 | 0.01 | 0.09 | 0.01 | 0.03 | 0.79 | 0.41 | 0.50 | d | 0.40 | b | 0.39 | 0.19 | 0.05 | 0.08 | 0.79 | f | ||||||||||
1954 | 0.18 | 0.08 | 0.06 | 0.50 | 0.20 | 0.62 | 0.98 | 0.55 | 0.25 | 0.23 | 0.09 | 0.00 | v | 0.98 | v | |||||||||||
1955 | ----- | z | 0.10 | v | 0.09 | 0.02 | 0.56 | 0.52 | 0.35 | 0.38 | 0.30 | 0.02 | 0.35 | 0.40 | a | ----- | z | |||||||||
1956 | 0.05 | 0.05 | 0.00 | 0.05 | 0.34 | 0.90 | 1.37 | 0.67 | 0.35 | 0.20 | 0.33 | 0.00 | 1.37 | |||||||||||||
1957 | 0.45 | b | 0.00 | e | 0.00 | 0.00 | 0.75 | 0.50 | 0.43 | 0.60 | i | 0.75 | 0.22 | 0.00 | b | 0.17 | 0.75 | r | ||||||||
1958 | 0.05 | 0.00 | 0.11 | 0.02 | 0.45 | 0.28 | 1.34 | 0.52 | 0.28 | 0.44 | 0.01 | i | 0.25 | 1.34 | i | |||||||||||
1959 | 0.00 | 0.10 | 0.05 | a | 0.10 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | p | 0.14 | b | ----- | z | ||
1960 | 0.05 | a | 0.04 | j | 0.14 | k | 0.00 | h | ----- | z | 0.54 | j | 0.45 | 0.50 | 0.60 | 0.50 | a | ----- | z | 0.20 | a | ----- | z | |||
1961 | 0.00 | 0.13 | 0.02 | ----- | z | 0.08 | 1.90 | e | 0.78 | 1.13 | 0.37 | d | 0.30 | a | 0.28 | a | 0.05 | a | ----- | z | ||||||
1962 | 0.15 | 0.15 | 0.15 | 0.12 | f | 1.00 | 0.90 | 1.65 | b | 1.52 | c | 0.22 | 0.10 | c | 0.07 | 0.09 | 1.65 | n | ||||||||
1963 | 0.18 | 0.29 | a | 0.00 | 0.15 | 0.05 | 0.43 | 0.80 | 0.32 | 0.45 | 0.19 | 0.03 | 0.19 | 0.80 | a | |||||||||||
1964 | 0.16 | 0.20 | 0.00 | 0.41 | 0.00 | 1.22 | 1.26 | ----- | z | 1.45 | i | ----- | z | ----- | z | ----- | z | ----- | z | |||||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.60 | 0.50 | 0.20 | ----- | z | ----- | z | ----- | z | ----- | z | |||
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | 2.55 | 3.80 | 0.50 | 0.60 | 0.53 | 0.15 | 1.15 | 0.10 | a | ----- | z | |||||||
2000 | 0.04 | 0.00 | 0.00 | 0.00 | 0.81 | 1.20 | 0.26 | 0.60 | 0.40 | 1.06 | 0.30 | 0.05 | 1.20 | |||||||||||||
2001 | 0.10 | 0.04 | 0.00 | r | 0.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.40 | m | ----- | z | 0.00 | f | ----- | z | |||
2002 | ----- | z | 0.05 | f | 0.10 | b | 0.03 | a | ----- | z | 0.71 | b | ----- | z | 0.19 | 0.44 | ----- | z | ----- | z | ----- | z | ----- | z | ||
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.34 | 0.11 | ----- | z | 0.16 | l | ----- | z | ----- | z | ----- | z | ----- | z | ||
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.16 | 0.09 | 0.06 | 0.09 | 0.47 | 0.95 | 0.69 | 0.58 | 0.45 | 0.24 | 0.20 | 0.15 | 1.00 | |||||||||||||
S.D. | 0.16 | 0.07 | 0.07 | 0.13 | 0.55 | 0.92 | 0.45 | 0.45 | 0.33 | 0.22 | 0.25 | 0.11 | 0.31 | |||||||||||||
SKEW | 1.37 | 0.65 | 2.04 | 2.09 | 2.47 | 2.51 | 0.70 | 1.95 | 1.97 | 2.29 | 2.70 | 0.99 | 0.21 | |||||||||||||
MAX | 0.62 | 0.29 | 0.32 | 0.50 | 2.55 | 4.00 | 1.65 | 2.10 | 1.50 | 1.06 | 1.15 | 0.40 | 1.38 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.21 | 0.11 | 0.14 | 0.00 | 0.02 | 0.00 | 0.00 | 0.62 | |||||||||||||
YRS | 23 | 25 | 24 | 25 | 24 | 27 | 27 | 25 | 26 | 25 | 22 | 24 | 7 |