YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.60 | 0.13 | ----- | z | ||
1910 | 0.30 | 0.12 | 0.15 | 0.45 | 0.50 | 0.10 | 0.53 | 0.20 | 0.72 | w | ----- | z | 0.05 | 0.30 | ----- | z | ||||||||||
1911 | 0.59 | u | 0.37 | 0.21 | 0.58 | 0.12 | 0.70 | 0.38 | 0.42 | 0.32 | 0.75 | 0.23 | 0.09 | 0.75 | u | |||||||||||
1912 | 0.42 | 0.50 | 0.29 | a | 0.14 | 0.34 | 2.40 | 0.52 | 0.50 | 1.70 | a | 0.23 | 0.50 | 0.32 | 2.40 | b | ||||||||||
1913 | 0.50 | 0.60 | 0.20 | 0.00 | 0.32 | 0.37 | 0.38 | 0.40 | 0.40 | 0.30 | 0.65 | 0.45 | 0.65 | |||||||||||||
1914 | 0.42 | 0.14 | a | 0.32 | 0.20 | 0.42 | 0.19 | 0.47 | 0.35 | 0.30 | 0.60 | 0.01 | 0.34 | 0.60 | a | |||||||||||
1915 | 0.26 | 0.56 | 0.14 | 0.10 | 0.50 | 0.54 | u | ----- | z | 0.42 | ----- | z | 0.21 | 0.26 | 0.11 | ----- | z | |||||||||
1916 | 0.51 | 0.15 | 0.17 | b | 0.06 | 0.72 | 0.00 | 0.80 | 0.43 | p | 0.60 | 0.35 | 0.31 | 0.30 | 0.80 | r | ||||||||||
1917 | 0.01 | 0.21 | 0.70 | c | 0.50 | 0.90 | 0.01 | 0.40 | p | 0.10 | 0.22 | 0.25 | 0.34 | v | 0.20 | t | ----- | z | ||||||||
1918 | ----- | z | 0.80 | 0.22 | 0.40 | d | 0.07 | 0.14 | 0.30 | 0.40 | 0.30 | ----- | z | ----- | z | 0.45 | ----- | z | ||||||||
1919 | 0.00 | 0.15 | ----- | z | 0.20 | 0.02 | 0.00 | 0.20 | 0.20 | 0.70 | 1.20 | 1.00 | 0.20 | ----- | z | |||||||||||
1920 | 0.20 | a | 0.45 | 0.25 | a | 0.46 | ----- | z | 0.02 | 0.05 | 0.70 | 0.04 | 0.40 | 0.25 | 0.45 | ----- | z | |||||||||
1921 | 0.45 | 0.25 | 0.20 | 0.50 | 0.08 | 0.48 | 0.35 | 0.30 | 0.31 | 0.45 | 0.25 | 0.35 | 0.50 | |||||||||||||
1922 | 0.35 | 0.27 | 0.28 | a | 0.08 | 0.05 | 0.03 | 0.07 | 0.12 | 0.30 | 0.55 | a | 0.30 | 0.85 | d | 0.85 | f | |||||||||
1923 | 0.60 | 0.40 | 1.00 | 0.70 | 0.04 | 0.50 | 0.30 | 0.50 | 0.24 | 0.40 | 0.13 | 0.45 | 1.00 | |||||||||||||
1924 | 0.25 | a | 0.07 | 0.30 | 0.15 | a | 0.72 | 0.10 | 0.55 | 0.00 | 0.30 | 1.30 | 0.50 | 0.60 | 1.30 | b | ||||||||||
1925 | 0.36 | 0.25 | 0.22 | 0.00 | 0.15 | 0.70 | r | 0.25 | 0.83 | o | 0.43 | 0.62 | 0.10 | 0.38 | ----- | z | ||||||||||
1926 | 0.25 | 0.28 | 0.20 | 0.57 | 0.60 | 0.00 | 0.40 | 0.65 | 0.02 | 0.40 | 0.32 | 0.35 | a | 0.65 | a | |||||||||||
1927 | 0.35 | 0.80 | 0.35 | a | 0.50 | 0.60 | 0.50 | 0.10 | 0.40 | 0.45 | 0.32 | 0.31 | a | 0.04 | 0.80 | b | ||||||||||
1928 | 0.25 | 0.15 | a | 0.50 | 0.20 | 0.42 | 0.47 | 0.20 | 0.30 | 0.30 | x | 0.35 | 0.35 | a | 0.30 | ----- | z | |||||||||
1929 | 0.13 | 0.26 | 0.40 | 0.39 | 0.25 | 0.26 | 1.55 | 0.80 | 0.80 | 0.20 | 0.29 | ----- | z | ----- | z | |||||||||||
1930 | 0.23 | 0.34 | 0.12 | 0.12 | 0.10 | 0.09 | 0.55 | 1.14 | 0.34 | 0.29 | 1.20 | a | 0.10 | 1.20 | a | |||||||||||
1931 | 0.00 | 0.12 | 0.57 | 0.45 | 0.30 | 0.55 | 0.35 | 0.55 | 1.45 | 0.60 | 0.25 | 0.30 | a | 1.45 | a | |||||||||||
1932 | 0.25 | 0.70 | a | 0.35 | ----- | z | 0.40 | 0.25 | 0.49 | 0.45 | 0.02 | 0.58 | 0.38 | 0.34 | ----- | z | ||||||||||
1933 | 0.25 | 0.38 | 0.60 | 0.90 | 0.37 | 0.02 | 0.20 | u | 0.30 | 0.92 | 0.00 | 0.20 | 0.38 | 0.92 | u | |||||||||||
1934 | 0.12 | 0.40 | 0.25 | 0.23 | 0.52 | 0.10 | 0.22 | 0.55 | 0.42 | 0.10 | 0.60 | 0.51 | 0.60 | |||||||||||||
1935 | 0.21 | 0.32 | 0.21 | 0.83 | 0.25 | 0.12 | 0.40 | 0.25 | 0.60 | 0.20 | 0.49 | 0.25 | 0.83 | |||||||||||||
1936 | 0.25 | 0.38 | 0.40 | 0.13 | 0.10 | 0.15 | 0.92 | 0.21 | 0.30 | 0.58 | 0.55 | 0.18 | 0.92 | |||||||||||||
1937 | 0.25 | 0.35 | 0.38 | 0.60 | w | 0.25 | 0.31 | 0.40 | 1.16 | 0.05 | 0.28 | 0.70 | 0.28 | a | 1.16 | x | ||||||||||
1938 | 0.40 | 0.40 | 0.97 | 1.10 | 0.44 | 0.25 | 0.35 | 0.42 | 0.50 | 0.50 | 0.50 | 0.90 | 1.10 | |||||||||||||
1939 | 0.70 | 0.20 | 0.50 | a | 1.30 | 0.24 | 0.12 | 0.30 | 0.18 | 0.23 | 0.60 | 0.10 | 0.40 | 1.30 | a | |||||||||||
1940 | 0.40 | 0.35 | 0.60 | 0.50 | ----- | z | 0.35 | 0.35 | 0.45 | 0.81 | 0.49 | a | 0.63 | 0.28 | ----- | z | ||||||||||
1941 | 0.60 | 0.20 | 0.55 | 0.95 | 0.34 | 0.40 | t | 0.35 | 0.87 | o | 0.65 | 0.42 | 0.25 | 0.31 | ----- | z | ||||||||||
1942 | 0.38 | a | 0.24 | a | 0.37 | 0.81 | 0.30 | ----- | z | 1.17 | 0.42 | ----- | z | 0.52 | 0.40 | 0.80 | a | ----- | z | |||||||
1943 | 0.20 | 1.20 | 1.40 | 0.65 | 0.60 | 0.70 | 0.70 | 0.55 | 0.20 | 0.74 | 0.40 | 0.60 | 1.40 | |||||||||||||
1944 | 0.08 | 0.30 | 0.80 | 0.40 | a | 1.95 | 0.30 | 0.20 | 0.05 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ||||||||
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.40 | 0.50 | 1.75 | 0.90 | 0.30 | ----- | z | ----- | z | ----- | z | |||||
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.30 | 0.05 | 0.45 | 0.50 | 0.40 | 0.40 | a | 0.30 | ----- | z | ||||||
1947 | 0.40 | x | 0.28 | 0.05 | 0.50 | a | 0.40 | 1.00 | b | 0.20 | 0.70 | 1.00 | 1.10 | c | 0.50 | b | 1.05 | ----- | z | |||||||
1948 | 1.00 | a | 0.20 | 0.50 | 0.60 | 0.00 | a | 0.30 | 1.00 | 0.40 | 0.53 | 0.50 | 0.50 | 1.25 | 1.25 | b | ||||||||||
1949 | 0.60 | 0.40 | 0.75 | 0.45 | 1.00 | 0.85 | 0.30 | 1.00 | 0.20 | i | 0.30 | 0.08 | 0.50 | 1.00 | i | |||||||||||
1950 | 1.60 | 0.40 | 0.20 | 1.20 | 0.80 | 0.00 | 0.00 | 0.30 | 0.90 | 0.00 | 0.55 | 0.35 | 1.60 | |||||||||||||
1951 | 0.60 | 0.65 | g | 0.34 | 0.80 | 0.80 | 0.52 | 0.40 | 1.80 | a | 0.30 | 0.30 | 0.40 | 1.10 | 1.80 | h | ||||||||||
1952 | 0.80 | 0.30 | ----- | z | 0.45 | 0.50 | 0.10 | e | 0.50 | 0.40 | 0.00 | g | 0.00 | 0.40 | 0.50 | ----- | z | |||||||||
1953 | 0.50 | 0.50 | 0.50 | a | 0.30 | 0.20 | 0.78 | 0.75 | 0.60 | 0.02 | 0.70 | 1.00 | 0.75 | 1.00 | a | |||||||||||
1954 | 0.30 | 0.40 | 0.60 | 0.00 | 0.75 | 0.25 | 0.58 | 0.75 | 0.60 | a | 0.60 | 0.75 | 0.45 | e | 0.75 | f | ||||||||||
1955 | 0.15 | 1.10 | 0.45 | 0.70 | ----- | z | ----- | z | 1.10 | 0.65 | 0.40 | 0.95 | 1.13 | 0.60 | a | ----- | z | |||||||||
1956 | 0.25 | 0.40 | 0.30 | 0.35 | 0.50 | 0.45 | 0.65 | 0.40 | c | 0.00 | 0.25 | 0.25 | 1.10 | 1.10 | c | |||||||||||
1957 | 0.90 | b | 0.80 | 0.60 | 1.10 | a | 0.75 | 1.20 | 0.40 | 0.30 | 0.15 | ----- | z | ----- | z | ----- | z | ----- | z | |||||||
1958 | 0.30 | 0.20 | 1.10 | a | 1.90 | 0.50 | 0.00 | 0.20 | ----- | z | 0.24 | 0.02 | ----- | z | ----- | z | ----- | z | ||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | 0.25 | a | 0.34 | 0.60 | 0.41 | 0.47 | 0.30 | 0.42 | 0.36 | ----- | z | |||||||
1961 | 0.30 | 0.24 | 0.15 | 0.25 | 0.48 | 0.21 | 0.67 | 0.88 | 0.87 | 0.21 | 0.14 | c | 0.23 | b | 0.88 | e | ||||||||||
1962 | 0.42 | 0.39 | 0.11 | 0.41 | 0.46 | 0.50 | 0.50 | 0.90 | 0.20 | 0.79 | 0.20 | 0.26 | 0.90 | |||||||||||||
1963 | 0.64 | 0.70 | 0.15 | 0.33 | 0.29 | 0.46 | 0.33 | 0.53 | 0.59 | 0.11 | 0.29 | 0.15 | 0.70 | |||||||||||||
1964 | 0.14 | 0.08 | 0.21 | 0.27 | 0.22 | 0.32 | 0.17 | 0.40 | 0.27 | 0.10 | 0.27 | 0.59 | 0.59 | |||||||||||||
1965 | 0.40 | 0.15 | 0.31 | 0.27 | 0.24 | 0.43 | 0.44 | 0.43 | 0.70 | 0.20 | 0.20 | 0.19 | 0.70 | |||||||||||||
1966 | 0.08 | a | 0.15 | 0.14 | 0.19 | 0.33 | 0.15 | 0.13 | 0.94 | 0.27 | 0.78 | 0.10 | 0.70 | 0.94 | a | |||||||||||
1967 | 0.20 | 0.39 | 0.20 | 0.22 | 0.38 | 0.38 | 0.35 | 0.37 | 0.78 | 0.20 | 0.55 | 0.35 | a | 0.78 | a | |||||||||||
1968 | 0.21 | 0.24 | 0.20 | 0.40 | 0.22 | 0.24 | 0.16 | 0.52 | 0.20 | 0.57 | 0.65 | 0.15 | 0.65 | |||||||||||||
1969 | 0.33 | 0.21 | 0.12 | 0.41 | 0.44 | 0.73 | 0.65 | 0.39 | 0.20 | 0.75 | 0.08 | 0.29 | 0.75 | |||||||||||||
1970 | 0.30 | 0.18 | 0.17 | 0.30 | 0.26 | 0.87 | 0.33 | 0.84 | 0.39 | 0.50 | 0.46 | 0.16 | 0.87 | |||||||||||||
1971 | 0.23 | 0.25 | 0.30 | 0.36 | 0.91 | 0.15 | 0.50 | 0.37 | 0.90 | 0.12 | 0.34 | 0.30 | 0.91 | |||||||||||||
1972 | 0.48 | 0.21 | 0.35 | 0.40 | 0.57 | 0.33 | 0.28 | 0.21 | 0.43 | 0.64 | 0.25 | 0.48 | 0.64 | |||||||||||||
1973 | 0.27 | 0.16 | 0.12 | 0.54 | 0.47 | 0.62 | 0.58 | 0.24 | 0.55 | 0.46 | 0.68 | 0.52 | 0.68 | |||||||||||||
1974 | 0.32 | 0.33 | 0.46 | 0.20 | 0.17 | 0.48 | 0.65 | 0.32 | 0.40 | 0.29 | 0.35 | 0.11 | 0.65 | |||||||||||||
1975 | 0.41 | 0.35 | 0.20 | 0.22 | 0.60 | 0.35 | 0.37 | 0.62 | 0.25 | 0.39 | 0.33 | 0.10 | 0.62 | |||||||||||||
1976 | 0.23 | 0.31 | 0.40 | 0.18 | 1.08 | 0.30 | 0.46 | 0.29 | 0.31 | 0.17 | 0.12 | 0.15 | 1.08 | |||||||||||||
1977 | 0.07 | 0.33 | 0.32 | 0.29 | 1.02 | 0.08 | 1.00 | 0.70 | 0.47 | 0.97 | 0.24 | 0.31 | 1.02 | |||||||||||||
1978 | 0.14 | 0.14 | 0.14 | 0.35 | 0.37 | 0.24 | 0.55 | 0.55 | 0.35 | 0.48 | 0.48 | 0.48 | 0.55 | |||||||||||||
1979 | 0.37 | 0.16 | 0.35 | 0.12 | 0.50 | 0.75 | 0.17 | 0.46 | 0.15 | 0.26 | 0.24 | 0.08 | 0.75 | |||||||||||||
1980 | 0.38 | 0.26 | 0.30 | 0.40 | 0.47 | 0.02 | 0.63 | 0.62 | 0.48 | 0.32 | 0.36 | 0.22 | 0.63 | |||||||||||||
1981 | 0.07 | 0.30 | 0.20 | 0.22 | 0.72 | 0.36 | 0.70 | 0.21 | 0.24 | 0.51 | 0.21 | 0.52 | 0.72 | |||||||||||||
1982 | 0.49 | 0.18 | 0.37 | 0.46 | 0.40 | 0.20 | 0.82 | a | 0.26 | 0.75 | 0.21 | 0.23 | 0.76 | a | 0.82 | b | ||||||||||
1983 | 0.16 | 0.26 | 0.60 | 0.38 | 0.28 | 0.52 | 1.11 | 0.53 | a | 0.32 | 0.24 | 0.40 | a | 0.40 | 1.11 | b | ||||||||||
1984 | 0.10 | a | 0.08 | 0.77 | 0.32 | 0.30 | 0.55 | 0.82 | 0.90 | 0.22 | 0.15 | 0.20 | 0.27 | 0.90 | a | |||||||||||
1985 | 0.15 | a | 0.11 | b | 0.20 | 0.48 | 0.24 | 0.33 | 0.67 | 0.30 | 0.75 | 0.57 | a | 0.53 | 0.27 | 0.75 | d | |||||||||
1986 | 0.18 | 0.50 | 0.05 | 0.19 | 0.13 | 0.50 | 0.30 | 0.77 | 0.33 | 0.60 | 0.42 | 0.11 | 0.77 | |||||||||||||
1987 | 0.20 | 0.17 | 0.10 | 0.62 | 0.27 | 0.77 | 0.38 | 0.55 | 0.18 | a | 0.61 | a | 0.28 | 0.43 | 0.77 | b | ||||||||||
1988 | 0.30 | 0.51 | 0.28 | a | 0.26 | 0.30 | 0.33 | s | 0.60 | 0.15 | 0.47 | 0.17 | 0.40 | 0.27 | 0.60 | t | ||||||||||
1989 | 0.14 | 0.47 | 0.15 | 0.34 | 0.42 | a | 0.35 | 0.68 | 0.23 | 0.54 | 0.39 | e | 0.21 | 0.27 | 0.68 | f | ||||||||||
1990 | 0.32 | 0.20 | 0.25 | 0.25 | 0.33 | 0.68 | 0.45 | 0.53 | 0.68 | 0.88 | 0.35 | 0.31 | 0.88 | |||||||||||||
1991 | 0.07 | 0.14 | 1.12 | 0.29 | 0.54 | 0.54 | 0.43 | 0.27 | 0.45 | 0.22 | 0.26 | 0.16 | 1.12 | |||||||||||||
1992 | 0.08 | 0.15 | 0.11 | 0.42 | 0.62 | 0.37 | 0.63 | 0.25 | 0.23 | 0.65 | 0.25 | 0.32 | a | 0.65 | a | |||||||||||
1993 | 0.14 | 0.40 | 0.29 | 0.16 | 0.33 | 0.59 | 0.17 | 0.36 | 0.63 | 0.50 | 0.50 | a | 0.04 | 0.63 | a | |||||||||||
1994 | 0.20 | 0.28 | 0.17 | 0.28 | 0.07 | 0.27 | 0.49 | 0.43 | 0.29 | 0.38 | 0.13 | 0.11 | 0.49 | |||||||||||||
1995 | 0.20 | 0.22 | 0.30 | 0.88 | 0.51 | 0.66 | 0.40 | 0.30 | 0.42 | 0.58 | 0.48 | 0.36 | 0.88 | |||||||||||||
1996 | 0.70 | 0.37 | 0.22 | 0.20 | 0.41 | 0.63 | 0.47 | 0.17 | 0.42 | 0.35 | 0.28 | a | 0.54 | 0.70 | a | |||||||||||
1997 | 0.25 | 0.68 | 0.08 | a | 0.91 | 0.93 | 0.27 | 0.40 | 0.78 | 1.60 | 0.46 | 0.24 | 0.09 | 1.60 | a | |||||||||||
1998 | 0.43 | 0.38 | 0.26 | a | 0.28 | 0.23 | 0.40 | 0.37 | 0.41 | 0.44 | 0.58 | 0.50 | 0.40 | 0.58 | a | |||||||||||
1999 | 0.32 | 0.18 | 0.24 | 0.86 | 0.50 | 0.29 | 0.39 | 0.44 | 0.35 | 0.14 | 0.35 | 0.27 | 0.86 | |||||||||||||
2000 | 0.60 | 0.60 | 0.85 | 0.74 | 0.25 | 0.68 | 0.33 | 0.22 | 1.45 | 0.11 | 0.13 | 0.18 | c | 1.45 | c | |||||||||||
2001 | 0.21 | 0.25 | 0.32 | 0.51 | 0.50 | 0.11 | a | 0.80 | 0.50 | a | 0.62 | 0.16 | a | 0.17 | 0.08 | 0.80 | c | |||||||||
2002 | 0.19 | a | 0.30 | 0.47 | 0.18 | 0.51 | 0.06 | 1.20 | 0.25 | 0.43 | 0.45 | 0.32 | 0.11 | 1.20 | a | |||||||||||
2003 | 0.14 | 0.14 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.33 | 0.34 | 0.36 | 0.44 | 0.43 | 0.38 | 0.48 | 0.49 | 0.47 | 0.43 | 0.37 | 0.37 | 0.91 | |||||||||||||
S.D. | 0.24 | 0.21 | 0.26 | 0.32 | 0.29 | 0.34 | 0.28 | 0.31 | 0.34 | 0.26 | 0.23 | 0.25 | 0.34 | |||||||||||||
SKEW | 2.21 | 1.76 | 1.66 | 1.68 | 1.89 | 2.71 | 1.12 | 1.90 | 1.53 | 0.88 | 1.37 | 1.38 | 1.79 | |||||||||||||
MAX | 1.60 | 1.20 | 1.40 | 1.90 | 1.95 | 2.40 | 1.55 | 1.80 | 1.70 | 1.30 | 1.20 | 1.25 | 2.40 | |||||||||||||
MIN | 0.00 | 0.07 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.04 | 0.49 | |||||||||||||
YRS | 87 | 88 | 87 | 87 | 87 | 86 | 89 | 88 | 86 | 88 | 87 | 87 | 59 |