YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.76 | 0.86 | 1.62 | j | ||
1912 | 2.92 | 1.40 | 0.89 | 1.85 | 1.26 | 0.84 | 0.09 | 0.75 | a | 0.37 | 1.28 | 1.41 | 1.04 | 14.10 | ||||||||||||
1913 | 2.51 | 0.09 | 0.76 | r | 0.61 | 1.37 | 3.48 | 1.18 | 0.54 | 0.13 | 1.04 | 1.82 | 2.83 | 15.60 | a | |||||||||||
1914 | 2.12 | 1.29 | 0.10 | 0.74 | 0.85 | 1.23 | 0.36 | 0.04 | 0.37 | 1.35 | 0.05 | 0.08 | 8.58 | |||||||||||||
1915 | 1.50 | v | 1.76 | c | 1.03 | 0.85 | 3.06 | 0.18 | 0.56 | 0.00 | 0.25 | 0.08 | 1.00 | 2.06 | 10.83 | a | ||||||||||
1916 | 3.26 | n | 2.97 | 1.02 | t | 0.35 | 0.94 | 1.31 | 0.50 | 0.03 | 0.00 | 0.75 | 1.05 | 1.35 | 9.25 | b | ||||||||||
1917 | 1.06 | 0.22 | x | 0.63 | u | 1.07 | 0.44 | 0.12 | 0.03 | 0.03 | 1.98 | 0.00 | 1.31 | 1.48 | 7.52 | b | ||||||||||
1918 | 1.25 | 0.70 | 0.63 | 0.52 | 0.00 | 0.39 | 0.21 | 0.74 | 0.69 | 1.26 | 0.49 | 0.48 | 7.36 | |||||||||||||
1919 | 1.24 | 3.21 | 1.42 | 1.98 | 0.16 | 0.00 | 0.00 | 0.06 | 0.56 | 0.82 | 2.20 | 2.01 | 13.66 | |||||||||||||
1920 | 0.47 | 0.30 | 1.16 | 0.17 | 0.51 | 0.82 | 0.00 | 0.25 | 0.85 | 1.61 | 1.93 | 3.38 | 11.45 | |||||||||||||
1921 | 2.65 | 1.33 | 0.86 | 0.30 | 1.40 | 0.57 | 0.00 | 0.01 | 0.23 | 0.45 | 1.65 | 1.40 | 10.85 | |||||||||||||
1922 | 1.08 | 1.45 | 1.49 | 1.58 | 1.15 | 0.43 | 0.38 | 0.37 | 0.00 | 0.18 | 0.64 | 3.05 | 11.80 | |||||||||||||
1923 | 1.38 | 0.06 | 0.23 | 1.38 | 1.35 | 2.13 | 0.26 | 0.00 | ----- | z | 2.38 | 0.37 | 0.80 | 10.34 | a | |||||||||||
1924 | 0.87 | 1.35 | 0.37 | 0.17 | 0.04 | 0.29 | 0.02 | 0.30 | 0.09 | 1.10 | 1.01 | 1.93 | 7.54 | |||||||||||||
1925 | 2.65 | 1.35 | 0.86 | 1.73 | 0.41 | 0.36 | 0.18 | 0.05 | 1.01 | 0.69 | 0.62 | 1.72 | 11.63 | |||||||||||||
1926 | 1.48 | 2.17 | 0.28 | 0.64 | 1.30 | 0.50 | 0.05 | 2.16 | 0.06 | 0.00 | 3.91 | 1.58 | 14.13 | |||||||||||||
1927 | 1.28 | 2.65 | 0.65 | 1.39 | 0.61 | 0.68 | ----- | z | 0.45 | 0.76 | 0.67 | 2.80 | 1.19 | 13.13 | a | |||||||||||
1928 | 2.25 | 0.37 | 1.93 | 0.75 | 0.00 | 0.49 | 0.01 | 0.01 | 0.01 | 0.79 | 0.54 | 1.39 | 8.54 | |||||||||||||
1929 | 1.88 | 0.72 | 0.94 | 1.58 | 0.08 | 1.46 | 0.00 | 0.00 | 0.14 | 0.00 | 0.02 | 2.22 | 9.04 | |||||||||||||
1930 | 1.67 | 1.63 | 0.12 | 1.10 | 1.28 | 0.92 | 0.08 | 0.39 | 1.07 | 1.00 | 1.03 | 0.18 | 10.47 | |||||||||||||
1931 | 1.59 | 1.25 | 1.95 | 0.25 | 0.19 | 0.41 | ----- | z | ----- | z | 0.08 | 0.65 | 1.80 | 1.90 | 10.07 | b | ||||||||||
1932 | 1.58 | q | 0.49 | 2.43 | 1.26 | 1.74 | 0.15 | 0.12 | 0.06 | 0.00 | 1.11 | 1.01 | 1.02 | 9.39 | a | |||||||||||
1933 | 2.68 | 1.48 | 1.74 | 1.21 | 0.95 | 0.32 | x | 0.00 | 0.08 | 0.28 | 1.10 | 0.21 | a | 2.45 | a | 12.18 | a | |||||||||
1934 | 0.95 | 1.10 | 0.83 | 0.41 | 0.29 | 2.34 | 0.00 | 0.00 | 0.00 | 0.83 | 2.65 | 0.69 | 10.09 | |||||||||||||
1935 | 0.71 | 0.56 | 0.76 | 2.70 | 0.13 | 0.26 | 0.13 | 0.00 | 0.02 | 0.23 | 0.29 | 1.60 | 7.39 | |||||||||||||
1936 | 3.66 | 1.96 | 0.25 | 0.91 | 0.22 | 1.88 | 0.12 | 0.05 | 0.34 | 0.00 | 0.02 | 0.33 | 9.74 | |||||||||||||
1937 | 1.43 | 1.49 | 1.39 | 1.60 | 0.56 | 0.55 | 0.21 | 0.11 | 0.37 | 0.66 | 3.12 | 2.79 | 14.28 | |||||||||||||
1938 | 1.87 | 1.94 | 2.86 | 0.70 | 0.50 | 1.01 | 0.53 | 0.12 | 0.18 | 1.03 | 1.47 | 0.22 | 12.43 | |||||||||||||
1939 | 1.58 | 1.44 | 1.07 | 0.11 | 0.26 | 0.20 | 0.32 | 0.06 | 0.46 | 0.77 | 0.09 | 1.64 | 8.00 | |||||||||||||
1940 | 2.91 | 3.76 | 2.78 | 1.00 | 0.00 | 0.56 | 0.07 | 0.00 | 2.25 | 2.37 | 1.36 | 1.53 | 18.59 | |||||||||||||
1941 | 2.11 | 2.30 | 0.27 | 1.12 | 1.11 | 3.15 | 0.14 | 2.06 | 0.76 | 1.24 | 1.12 | 2.91 | 18.29 | |||||||||||||
1942 | 1.78 | 2.85 | 0.26 | 0.78 | 2.53 | 0.63 | 0.00 | 0.45 | 0.41 | 0.51 | 3.27 | 3.14 | 16.61 | |||||||||||||
1943 | 2.07 | 0.72 | 0.45 | 1.22 | 0.23 | 1.21 | 0.06 | 0.15 | 0.00 | 2.10 | 0.47 | 0.41 | 9.09 | |||||||||||||
1944 | 0.95 | a | 1.52 | 0.55 | 1.40 | 0.42 | 1.01 | 0.17 | 0.00 | 0.05 | 0.30 | 2.98 | 1.22 | 10.57 | ||||||||||||
1945 | 1.56 | 2.21 | 1.47 | 0.07 | 2.47 | q | 0.75 | 0.09 | 0.15 | 0.65 | 0.50 | 1.65 | 2.82 | 11.92 | a | |||||||||||
1946 | 1.70 | 1.45 | 1.57 | 0.23 | 0.57 | 0.06 | 0.43 | 0.14 | 0.36 | 0.93 | 2.18 | 0.65 | 10.27 | |||||||||||||
1947 | 0.49 | 0.84 | 0.77 | 0.67 | 0.53 | 1.64 | 0.00 | 0.00 | 0.15 | 1.33 | 0.83 | 0.52 | 7.77 | |||||||||||||
1948 | 0.98 | 1.02 | 0.74 | 1.19 | 1.24 | 1.24 | 0.35 | 0.05 | 0.24 | 0.29 | 1.81 | 1.51 | 10.66 | |||||||||||||
1949 | 0.08 | 1.09 | 0.32 | 0.04 | 0.97 | 0.00 | 0.00 | 0.00 | 0.20 | 0.49 | 1.20 | 0.56 | 4.95 | |||||||||||||
1950 | 1.62 | 1.02 | 1.41 | 0.28 | 0.39 | 1.11 | 0.10 | 0.50 | 0.11 | 0.37 | 0.61 | 2.18 | 9.70 | |||||||||||||
1951 | 2.19 | 1.67 | 0.76 | 1.05 | 1.16 | 0.36 | 0.03 | 0.39 | 0.34 | 1.87 | 1.43 | 2.11 | d | 13.36 | ||||||||||||
1952 | 2.22 | 1.76 | 0.62 | 0.66 | 0.44 | 1.31 | 0.07 | 0.00 | 0.32 | 0.00 | 1.17 | 1.88 | 10.45 | |||||||||||||
1953 | 2.24 | 1.37 | 0.95 | 0.88 | a | 1.93 | 1.14 | 0.00 | 0.07 | 0.00 | 0.18 | 1.36 | 1.47 | 11.59 | ||||||||||||
1954 | 1.27 | 0.38 | 0.65 | 0.94 | 0.00 | a | 1.11 | 0.00 | 0.11 | 0.03 | 0.19 | 1.10 | 1.16 | 6.94 | ||||||||||||
1955 | 0.61 | c | 0.93 | 0.18 | 2.17 | 0.81 | 0.47 | 0.38 | 0.00 | 0.52 | 0.78 | 1.67 | 2.58 | 11.10 | ||||||||||||
1956 | 2.80 | 0.24 | 0.08 | 0.55 | 1.94 | 0.42 | 0.00 | 0.64 | 0.35 | 3.91 | 0.06 | 1.17 | 12.16 | |||||||||||||
1957 | 1.77 | 1.18 | d | 1.94 | a | 1.20 | 2.75 | 0.41 | 0.00 | 0.00 | 0.00 | 1.11 | 0.55 | i | 1.10 | 11.46 | a | |||||||||
1958 | 2.39 | 2.62 | 2.13 | 1.71 | 1.64 | 0.57 | 0.00 | 0.15 | 0.28 | 0.00 | 0.19 | 0.85 | 12.53 | |||||||||||||
1959 | 1.49 | 0.96 | 0.71 | 0.00 | c | 1.90 | 0.19 | 0.00 | 0.55 | 2.69 | 0.60 | 0.68 | 1.20 | 10.97 | ||||||||||||
1960 | 1.34 | 1.91 | 1.16 | 0.44 | 1.22 | 0.00 | 0.10 | 0.58 | 0.35 | 0.31 | 2.15 | 0.77 | 10.33 | |||||||||||||
1961 | 0.73 | 1.47 | 1.24 | 0.09 | 0.57 | 0.00 | 0.17 | 0.22 | 1.42 | 1.33 | 1.10 | 1.37 | 9.71 | |||||||||||||
1962 | 0.71 | 1.64 | 0.62 | 0.77 | 1.72 | 0.06 | 0.66 | 0.32 | 0.37 | 2.51 | 1.45 | 1.07 | 11.90 | |||||||||||||
1963 | 1.06 | 0.74 | 0.19 | 2.47 | 0.63 | 1.35 | 0.00 | 0.31 | 0.44 | ----- | z | 1.81 | 1.35 | 10.35 | a | |||||||||||
1964 | 2.28 | ----- | z | 0.84 | 1.40 | 0.95 | 1.68 | 0.32 | 0.49 | 0.31 | 0.16 | 1.53 | 3.99 | 13.95 | a | |||||||||||
1965 | 2.74 | 0.14 | 0.41 | 1.09 | 0.04 | 0.96 | 0.10 | 1.76 | 0.05 | 0.12 | 2.21 | 0.38 | 10.00 | |||||||||||||
1966 | 0.22 | 0.68 | 0.64 | 0.18 | 0.12 | 0.62 | 0.00 | 0.00 | 0.46 | 0.39 | 2.22 | 2.17 | 7.70 | |||||||||||||
1967 | 2.09 | 0.07 | 0.82 | 1.11 | 1.38 | 1.76 | 0.04 | 0.00 | 0.86 | 1.02 | 0.72 | 1.45 | 11.32 | |||||||||||||
1968 | 0.99 | 2.45 | 0.53 | 0.48 | ----- | z | 0.17 | 0.00 | 1.32 | 0.07 | 0.42 | 2.85 | 2.33 | 11.61 | a | |||||||||||
1969 | 3.79 | 1.80 | 0.67 | 0.83 | 1.06 | 2.44 | 0.05 | 0.00 | 0.35 | 0.53 | 0.33 | 2.04 | 13.89 | |||||||||||||
1970 | 5.38 | 0.18 | 0.84 | 0.43 | 1.01 | 1.53 | 0.04 | 0.00 | 0.93 | 1.53 | 2.22 | 2.19 | 16.28 | |||||||||||||
1971 | 2.26 | 0.29 | 0.92 | 0.39 | 0.22 | 1.37 | 0.00 | 0.15 | 0.25 | 0.59 | 2.95 | 2.31 | 11.70 | |||||||||||||
1972 | 1.34 | 1.05 | 1.08 | 0.28 | 0.67 | 1.57 | 0.00 | 0.21 | 0.42 | 0.22 | 1.04 | 3.06 | 10.94 | |||||||||||||
1973 | 1.61 | 0.37 | i | 1.37 | 0.54 | 0.91 | ----- | z | 0.00 | 0.00 | 0.65 | 0.53 | 3.65 | 3.22 | 12.48 | b | ||||||||||
1974 | 1.25 | 0.85 | 0.94 | 0.23 | 0.02 | 0.22 | 0.79 | 0.14 | 0.00 | 0.31 | 0.60 | 2.74 | 8.09 | |||||||||||||
1975 | 0.91 | 2.26 | 1.86 | 1.97 | 0.43 | 1.07 | 0.04 | 1.02 | 0.00 | 2.65 | 0.51 | 0.17 | o | 12.72 | a | |||||||||||
1976 | 1.25 | 0.20 | f | 0.20 | d | 0.98 | 0.15 | 0.26 | 0.50 | 0.60 | 0.83 | 0.13 | 0.22 | 0.05 | 5.17 | a | ||||||||||
1977 | 1.00 | 1.01 | 0.59 | 0.02 | 1.61 | 0.11 | 0.29 | 0.36 | a | 0.89 | 0.28 | 1.75 | ----- | z | 7.91 | a | ||||||||||
1978 | 2.34 | 2.30 | 0.90 | 3.69 | 0.48 | 1.29 | 1.01 | 0.19 | 0.99 | 0.00 | 1.15 | 0.92 | 15.26 | |||||||||||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | 0.97 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.97 | k | |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.24 | 0.34 | 0.11 | 0.05 | 1.19 | 3.55 | 3.88 | 10.36 | e | |||||||
1982 | 1.00 | 2.10 | 0.55 | a | 1.78 | v | 0.34 | 1.68 | 0.81 | 0.03 | ----- | z | ----- | z | 1.38 | 2.62 | c | 10.51 | c | |||||||
1983 | 1.66 | d | 0.12 | b | 2.90 | 1.01 | 0.91 | a | 0.63 | 0.58 | 0.69 | 0.05 | 1.40 | 3.62 | a | 0.28 | g | 13.57 | a | |||||||
1984 | 0.75 | a | ----- | z | 1.52 | 2.27 | 1.11 | 1.20 | 0.00 | 0.00 | 0.00 | 0.07 | 1.60 | a | ----- | z | 8.52 | b | ||||||||
1985 | ----- | z | ----- | z | ----- | z | 0.16 | 0.91 | 0.31 | 0.09 | 0.00 | a | 1.35 | 0.98 | 1.53 | 0.54 | a | 5.87 | c | |||||||
1986 | 0.00 | b | 4.44 | j | 0.55 | 0.77 | 0.35 | 0.00 | 0.04 | 0.09 | 2.00 | 0.05 | 0.68 | 0.34 | 4.87 | a | ||||||||||
1987 | 1.14 | 0.48 | 1.84 | ----- | z | 1.06 | 1.08 | 0.18 | 1.34 | 0.00 | 0.00 | 1.41 | 0.52 | b | 9.05 | a | ||||||||||
1988 | 0.20 | h | 0.00 | 0.65 | a | 0.87 | 0.87 | 0.77 | 0.15 | 0.06 | a | 0.11 | ----- | z | 3.40 | b | 0.97 | 7.85 | b | |||||||
1989 | 1.82 | b | 1.60 | 2.85 | 0.63 | 0.80 | a | 0.72 | 0.03 | 1.08 | 1.22 | 0.71 | 0.11 | 0.37 | 11.94 | |||||||||||
1990 | 0.70 | a | 0.20 | c | 0.82 | a | 0.91 | 1.39 | 0.85 | 0.18 | 1.21 | a | 0.00 | 0.65 | 0.83 | 0.66 | a | 8.40 | ||||||||
1991 | 0.21 | a | 0.67 | 1.29 | 1.16 | ----- | z | ----- | z | 0.00 | ----- | z | 0.21 | 0.74 | 3.16 | 0.72 | a | 8.16 | c | |||||||
1992 | 0.65 | 1.24 | 0.24 | 0.51 | 0.27 | 2.02 | 0.46 | 0.03 | 0.09 | 1.02 | 1.53 | 2.36 | b | 10.42 | ||||||||||||
1993 | 3.08 | a | 1.50 | 2.34 | 1.91 | 0.55 | 2.61 | 1.27 | ----- | z | 0.00 | 0.30 | ----- | z | ----- | z | 13.56 | c | ||||||||
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 | 1.93 | 0.80 | 1.01 | 1.35 | 2.28 | 0.19 | 0.28 | 0.08 | 1.07 | 0.76 | a | 1.19 | 4.38 | 15.32 | ||||||||||||
1997 | 2.80 | 0.35 | 0.53 | 0.84 | 0.48 | 0.64 | 2.17 | 0.22 | 0.14 | a | 0.62 | 1.36 | 1.43 | 11.58 | ||||||||||||
1998 | 3.11 | 1.78 | 1.52 | 1.04 | 5.38 | 0.79 | 0.40 | 0.00 | 1.80 | 0.06 | 2.07 | 1.67 | 19.62 | |||||||||||||
1999 | 1.88 | 4.22 | 0.43 | 0.81 | 0.38 | 2.13 | 0.00 | 0.26 | 0.00 | 0.47 | 1.11 | 2.41 | 14.10 | |||||||||||||
2000 | 2.39 | 2.98 | 1.22 | 0.77 | 0.38 | 0.41 | 0.05 | 0.05 | 0.47 | 1.46 | 0.85 | 1.23 | 12.26 | |||||||||||||
2001 | 1.29 | 0.88 | 1.34 | 1.04 | 0.30 | 1.02 | 0.26 | 0.00 | 0.26 | 0.85 | 2.47 | 2.69 | 12.40 | |||||||||||||
2002 | 1.01 | 0.53 | 0.80 | 0.70 | 0.02 | 0.22 | 0.00 | 0.43 | 0.20 | 0.08 | 0.47 | 2.64 | 7.10 | |||||||||||||
2003 | 1.82 | 0.61 | 1.30 | 0.80 | 2.39 | 0.30 | 0.20 | 0.04 | a | 0.08 | 0.03 | 1.15 | 2.31 | 11.03 | ||||||||||||
2004 | 2.71 | 1.79 | 0.31 | 0.69 | 1.21 | 0.37 | 0.18 | 0.49 | 0.44 | 1.13 | 0.80 | 0.96 | 11.08 | |||||||||||||
2005 | 1.22 | 0.13 | 1.45 | 0.85 | 2.21 | 1.04 | 0.31 | 0.01 | 0.00 | a | 1.49 | 1.62 | 4.47 | 14.80 | ||||||||||||
2006 | 3.17 | 0.99 | 3.29 | 1.72 | 0.67 | 0.43 | 0.01 | 0.47 | 0.28 | a | 0.17 | 1.22 | 2.52 | 14.94 | ||||||||||||
2007 | 0.07 | 1.43 | 0.15 | 0.80 | 0.53 | 0.39 | 0.04 | 0.22 | 0.44 | 0.89 | 1.37 | 1.79 | 8.12 | |||||||||||||
2008 | 1.38 | b | 0.90 | a | 0.91 | 0.61 | 0.61 | 0.94 | ----- | z | 0.06 | 0.94 | 0.43 | 1.30 | 2.18 | 10.26 | a | |||||||||
2009 | 1.00 | 0.60 | 0.90 | 0.40 | 1.52 | 2.97 | 0.11 | 0.53 | 0.00 | 1.61 | 0.59 | 2.12 | 12.35 | |||||||||||||
2010 | 2.98 | k | 1.84 | 0.47 | m | 1.83 | 0.81 | 2.44 | 0.00 | 0.13 | u | 0.14 | 1.12 | 1.43 | 3.05 | k | 9.61 | d | ||||||||
2011 | ----- | z | ----- | z | ----- | z | ----- | z | 1.18 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.46 | 0.44 | 0.90 | j | ||
2012 | 2.12 | b | 0.66 | 0.12 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.78 | j | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.67 | 1.29 | 1.03 | 0.94 | 0.91 | 0.92 | 0.21 | 0.30 | 0.44 | 0.78 | 1.40 | 1.67 | 11.37 | |||||||||||||
S.D. | 0.92 | 0.87 | 0.71 | 0.66 | 0.82 | 0.76 | 0.33 | 0.44 | 0.54 | 0.70 | 0.94 | 1.01 | 2.98 | |||||||||||||
SKEW | 0.86 | 0.85 | 1.14 | 1.23 | 2.21 | 1.19 | 3.14 | 2.35 | 1.99 | 1.56 | 0.78 | 0.57 | 0.55 | |||||||||||||
MAX | 5.38 | 4.22 | 3.29 | 3.69 | 5.38 | 3.48 | 2.17 | 2.16 | 2.69 | 3.91 | 3.91 | 4.47 | 19.62 | |||||||||||||
MIN | 0.00 | 0.00 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.05 | 4.95 | |||||||||||||
YRS | 89 | 88 | 89 | 92 | 92 | 92 | 92 | 91 | 93 | 92 | 95 | 91 | 65 |