YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.34 | 0.96 | 0.32 | a | 2.62 | i | ||
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.97 | 1.51 | 0.25 | 0.19 | 2.92 | h | ||||
1912 | 0.33 | 0.17 | 2.77 | 0.63 | a | 0.28 | 0.48 | 0.98 | 1.02 | 0.46 | 1.62 | 0.70 | 0.51 | 9.95 | ||||||||||||
1913 | 0.59 | 0.74 | 0.21 | 0.31 | 0.18 | 0.78 | 1.27 | 0.15 | 1.74 | 0.53 | 1.34 | 2.06 | 9.90 | |||||||||||||
1914 | 1.11 | 0.41 | 0.36 | 1.41 | 2.07 | 1.31 | 1.03 | 1.19 | 0.90 | 3.55 | 0.18 | 0.30 | 13.82 | |||||||||||||
1915 | 0.26 | 0.16 | a | 0.09 | 1.02 | 1.02 | 0.67 | 0.07 | 0.70 | 1.51 | 0.04 | 1.26 | 2.96 | 9.76 | ||||||||||||
1916 | 2.33 | 0.54 | 1.17 | 0.33 | 1.59 | 0.00 | 1.50 | 2.58 | 1.38 | 3.33 | 0.35 | 0.54 | 15.64 | |||||||||||||
1917 | 0.90 | 0.30 | 0.62 | 2.77 | 1.73 | 0.02 | 0.84 | 1.19 | 1.04 | 0.83 | 0.31 | 0.22 | 10.77 | |||||||||||||
1918 | 2.31 | 0.39 | 2.24 | 0.40 | 0.15 | 0.53 | 0.90 | 0.48 | 2.12 | 1.07 | 0.88 | 0.75 | 12.22 | |||||||||||||
1919 | 0.00 | 0.67 | a | 0.35 | 1.82 | 0.79 | 0.01 | 1.99 | 0.53 | 1.43 | 1.69 | 2.89 | 1.13 | 13.30 | ||||||||||||
1920 | 0.64 | a | 0.80 | 2.05 | 1.85 | 2.00 | 0.12 | 0.12 | 1.30 | a | 1.58 | 1.70 | 0.58 | b | 0.27 | 13.01 | ||||||||||
1921 | 0.90 | 0.61 | 1.38 | 0.86 | 0.79 | 1.45 | 2.26 | 3.12 | 0.91 | 1.28 | 0.48 | 1.51 | 15.55 | |||||||||||||
1922 | 1.23 | 1.06 | 0.61 | 0.56 | 0.49 | 0.58 | 0.58 | 1.59 | 0.84 | 0.25 | 0.64 | 0.81 | 9.24 | |||||||||||||
1923 | 0.78 | 0.28 | 1.34 | 1.32 | 1.56 | 0.13 | 0.93 | 1.05 | 1.01 | 0.86 | 0.27 | 0.72 | 10.25 | |||||||||||||
1924 | 0.42 | 0.11 | 1.25 | 0.60 | 1.92 | 0.12 | 2.03 | 0.34 | 1.12 | 1.69 | a | 0.80 | 1.74 | 12.14 | ||||||||||||
1925 | 0.26 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.26 | k | |
1926 | 0.18 | 0.49 | a | ----- | z | ----- | z | ----- | z | 0.80 | 1.30 | 0.40 | 0.80 | a | 0.30 | i | 0.40 | ----- | z | 4.37 | e | |||||
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 | 0.58 | a | 0.30 | a | 0.80 | a | 0.11 | b | ----- | z | ----- | z | ----- | z | ----- | z | 1.79 | h |
1930 | ----- | z | ----- | z | 0.20 | 0.12 | 2.36 | 0.39 | 2.15 | 3.81 | 1.16 | 0.68 | 1.40 | 0.07 | 12.34 | b | ||||||||||
1931 | 0.27 | 0.20 | 0.19 | 1.50 | 0.15 | a | 0.15 | 1.12 | 0.28 | 3.15 | ----- | z | 0.80 | 0.90 | 8.71 | a | ||||||||||
1932 | 0.70 | 2.21 | a | 0.64 | 0.85 | 0.04 | 0.40 | 2.54 | 0.85 | 0.32 | 0.30 | 0.50 | 1.30 | 10.65 | ||||||||||||
1933 | 0.80 | a | 0.80 | a | 0.49 | 0.20 | 1.05 | 0.00 | 1.10 | a | 0.92 | 1.10 | 0.35 | 1.10 | 0.38 | 8.29 | ||||||||||
1934 | 0.58 | 0.84 | 0.15 | 1.60 | 1.25 | 0.73 | 0.70 | 1.70 | 0.98 | 0.00 | 0.75 | 0.65 | 9.93 | |||||||||||||
1935 | 0.86 | 0.65 | 0.60 | 2.41 | 1.95 | b | 0.00 | 0.90 | 0.32 | 1.01 | 0.50 | 0.20 | 0.23 | 9.63 | ||||||||||||
1936 | 0.34 | 0.90 | 0.40 | 0.30 | 0.00 | a | 0.05 | 1.54 | 1.10 | 0.45 | 0.85 | 0.40 | 0.60 | 6.93 | ||||||||||||
1937 | 0.90 | 0.39 | 0.45 | ----- | z | 0.25 | 0.33 | 2.17 | 0.54 | 0.71 | 1.60 | b | 0.74 | a | 0.92 | 9.00 | a | |||||||||
1938 | 0.44 | 0.99 | 2.83 | 0.84 | 1.10 | 0.77 | 0.31 | 0.45 | 1.71 | 0.22 | a | 0.69 | 1.44 | 11.79 | ||||||||||||
1939 | 1.21 | 0.60 | 0.84 | a | 0.27 | 0.15 | 0.40 | 0.51 | 0.22 | f | 2.02 | 0.70 | 0.15 | 0.31 | 7.16 | a | ||||||||||
1940 | 1.62 | 1.28 | 0.94 | 1.44 | 0.40 | 0.23 | 0.86 | 1.69 | 2.06 | 1.72 | 0.86 | 1.10 | 14.20 | |||||||||||||
1941 | 0.92 | 0.75 | 1.91 | 1.50 | 0.82 | 1.26 | 0.43 | 1.04 | 1.58 | 3.11 | ----- | z | 0.75 | h | 13.32 | b | ||||||||||
1942 | 0.47 | 1.00 | 0.84 | 1.41 | 0.35 | 0.20 | 1.27 | 0.43 | 0.57 | 1.26 | 0.55 | 0.20 | 8.55 | |||||||||||||
1943 | 0.99 | 0.42 | 1.46 | 0.23 | 1.78 | 1.50 | 0.39 | 2.53 | a | 0.53 | g | 1.31 | 0.16 | 0.76 | 11.53 | a | ||||||||||
1944 | 1.82 | 0.65 | 0.75 | 1.16 | 0.30 | 0.66 | 0.99 | 0.29 | 0.07 | 0.45 | 2.03 | 0.25 | 9.42 | |||||||||||||
1945 | 0.36 | 1.14 | 1.31 | 1.12 | 1.22 | 1.40 | 0.75 | 0.65 | 0.32 | 0.97 | 0.88 | 0.66 | 10.78 | |||||||||||||
1946 | 0.24 | 0.24 | 0.60 | 2.76 | 1.73 | 0.65 | 0.65 | 2.25 | 0.51 | 2.91 | 1.23 | 0.93 | 14.70 | |||||||||||||
1947 | 0.71 | 0.56 | 0.97 | 1.05 | 0.66 | 1.60 | 1.25 | 0.98 | 0.71 | 0.79 | h | 0.56 | 0.63 | 9.68 | a | |||||||||||
1948 | 0.94 | 1.43 | 1.74 | 0.68 | 0.09 | 1.38 | 0.87 | 1.12 | 0.42 | 0.90 | 0.79 | 1.63 | 11.99 | |||||||||||||
1949 | 1.20 | b | 0.22 | 1.52 | 0.65 | 0.29 | 0.80 | 1.09 | 1.09 | 1.31 | 0.60 | 0.21 | 0.64 | 9.62 | ||||||||||||
1950 | 1.86 | 0.48 | 0.36 | 0.56 | 0.42 | 0.02 | 1.63 | 0.25 | 1.17 | 0.21 | 0.67 | 1.11 | 8.74 | |||||||||||||
1951 | 1.45 | 0.48 | 0.21 | 0.91 | d | 0.69 | 1.03 | 0.47 | 1.56 | 0.44 | 1.17 | 0.64 | 4.06 | 13.11 | ||||||||||||
1952 | 1.05 | 0.25 | 1.80 | 0.16 | 0.78 | 0.64 | 0.56 | e | 2.26 | 0.06 | 0.00 | 0.53 | 0.42 | 8.51 | ||||||||||||
1953 | 0.64 | 0.19 | 1.10 | b | 1.27 | 1.27 | a | 0.65 | 1.17 | 2.08 | 0.31 | 1.48 | 1.43 | 0.35 | 11.94 | |||||||||||
1954 | 0.87 | 0.29 | 0.86 | 0.93 | 0.76 | 1.55 | 1.13 | g | 1.81 | e | 2.32 | 1.46 | 1.52 | 0.57 | 12.94 | a | ||||||||||
1955 | 0.94 | 0.98 | 0.20 | 0.47 | 1.71 | 0.54 | 0.78 | 1.39 | 0.15 | 0.56 | 1.69 | 0.72 | 10.13 | |||||||||||||
1956 | 1.31 | 1.31 | 0.20 | 1.27 | 0.09 | 0.12 | 1.54 | 0.85 | 0.00 | 0.85 | 0.49 | 0.82 | 8.85 | |||||||||||||
1957 | 2.75 | 0.91 | 1.12 | a | 1.29 | 2.79 | 2.10 | 1.36 | 4.18 | 0.16 | ----- | z | 1.39 | 0.77 | 18.82 | a | ||||||||||
1958 | 0.25 | 1.01 | 1.02 | 0.62 | 0.31 | 0.24 | 0.77 | 0.22 | 1.51 | 0.29 | 0.53 | ----- | z | 6.77 | a | |||||||||||
1959 | 0.62 | 1.54 | 0.40 | 1.67 | 0.42 | 0.97 | 0.10 | 2.40 | 1.53 | 1.72 | 0.07 | 0.78 | 12.22 | |||||||||||||
1960 | 0.67 | 1.26 | 0.83 | b | 0.62 | 0.53 | 0.20 | 0.02 | 0.55 | 0.51 | 0.52 | 0.61 | 0.58 | 6.90 | ||||||||||||
1961 | 0.01 | 0.55 | 1.14 | 0.92 | 1.01 | 0.07 | 0.26 | 1.15 | 2.87 | 1.08 | 0.65 | 0.70 | 10.41 | |||||||||||||
1962 | 1.04 | 2.19 | 0.17 | 0.97 | 0.51 | 0.16 | 0.23 | a | 0.12 | 0.69 | 0.89 | 0.52 | 0.47 | 7.96 | ||||||||||||
1963 | 0.61 | 0.12 | 0.63 | 0.37 | 0.02 | 0.78 | 0.23 | 1.55 | 1.15 | 1.51 | 0.78 | 0.40 | 8.15 | |||||||||||||
1964 | 0.65 | 0.14 | 0.72 | 0.82 | 1.40 | 1.16 | 0.50 | 1.01 | 0.96 | ----- | z | 1.05 | 1.10 | 9.51 | a | |||||||||||
1965 | 0.67 | 0.52 | 1.28 | 0.60 | 0.43 | 1.10 | 2.03 | 0.36 | ----- | z | 0.52 | 1.04 | 0.58 | 9.13 | a | |||||||||||
1966 | 0.53 | 0.37 | 0.12 | 0.45 | 1.11 | 0.10 | 0.24 | 0.47 | 0.45 | 1.72 | 0.39 | 2.41 | 8.36 | |||||||||||||
1967 | 0.54 | 0.34 | 0.41 | 0.50 | 1.61 | 2.24 | 1.84 | 1.07 | 1.35 | 0.43 | 0.57 | 2.29 | 13.19 | |||||||||||||
1968 | 0.32 | 2.13 | 0.39 | 1.18 | 0.61 | 0.09 | 0.53 | 1.64 | 0.21 | 1.19 | 0.93 | 1.21 | 10.43 | |||||||||||||
1969 | 2.64 | 1.11 | 0.22 | 0.48 | 0.21 | 2.52 | 0.31 | 1.43 | 1.66 | 3.63 | 0.69 | 0.41 | 15.31 | |||||||||||||
1970 | 0.62 | 0.20 | 1.31 | 0.97 | 0.02 | 1.90 | 1.74 | 0.77 | 1.78 | 1.58 | 1.76 | 0.89 | 13.54 | |||||||||||||
1971 | 0.98 | 0.35 | 0.42 | 0.94 | 1.10 | 0.00 | 0.61 | 0.91 | 1.57 | 1.79 | 0.74 | 1.88 | 11.29 | |||||||||||||
1972 | 0.15 | 0.05 | 0.16 | 0.79 | 1.09 | 0.66 | 0.71 | 0.60 | 1.97 | 3.44 | 0.96 | 2.21 | 12.79 | |||||||||||||
1973 | 0.75 | 0.53 | 0.95 | 0.59 | 0.71 | ----- | z | 1.12 | 2.16 | 0.38 | 0.41 | ----- | z | 0.65 | 8.25 | b | ||||||||||
1974 | 1.48 | 0.52 | 0.76 | 0.81 | 0.00 | 0.60 | 0.98 | 0.89 | 0.46 | 0.87 | 0.65 | 1.26 | 9.28 | |||||||||||||
1975 | 0.84 | 1.11 | 1.46 | 0.80 | 1.08 | 1.02 | 0.42 | 0.10 | 0.25 | 0.61 | 0.61 | 0.94 | 9.24 | |||||||||||||
1976 | 0.52 | 1.81 | 1.45 | 0.89 | 1.58 | 1.10 | 0.29 | 1.13 | 1.48 | 0.22 | 0.00 | 0.02 | 10.49 | |||||||||||||
1977 | 0.76 | 0.21 | 0.48 | 0.46 | 0.60 | 0.12 | 0.46 | 2.33 | 1.12 | 0.95 | 0.67 | 1.11 | 9.27 | |||||||||||||
1978 | 2.35 | 0.92 | 2.65 | 1.16 | 0.70 | 0.57 | 0.21 | 0.70 | 0.47 | 0.23 | 1.57 | 3.25 | 14.78 | |||||||||||||
1979 | 1.67 | 0.92 | 1.47 | 0.40 | 3.22 | 0.61 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.19 | 8.48 | e | |||||||
1980 | ----- | z | ----- | z | ----- | z | 1.03 | 2.11 | 0.21 | ----- | z | 1.44 | 0.36 | ----- | z | 0.63 | 0.59 | 6.37 | e | |||||||
1981 | 0.52 | 0.33 | 0.78 | 0.39 | 2.83 | 1.04 | 2.24 | 1.45 | 0.36 | 2.94 | 0.73 | 1.27 | 14.88 | |||||||||||||
1982 | 1.46 | 0.35 | 1.26 | 0.08 | 1.12 | 0.55 | 0.47 | 0.72 | 2.93 | 1.22 | 1.56 | 0.32 | 12.04 | |||||||||||||
1983 | 0.40 | a | 0.72 | 1.04 | 2.58 | 2.33 | 3.23 | 1.90 | 1.54 | 0.40 | 1.03 | 2.39 | 2.47 | 20.03 | ||||||||||||
1984 | 0.34 | 0.08 | 1.20 | 1.94 | a | 1.05 | 3.71 | 1.89 | 2.60 | 1.68 | 2.26 | ----- | z | 2.86 | 19.61 | a | ||||||||||
1985 | 1.08 | 0.73 | 3.04 | 2.50 | 1.55 | 0.45 | 2.41 | 0.30 | 1.46 | 3.23 | 3.59 | 1.27 | 21.61 | |||||||||||||
1986 | 0.45 | 1.09 | 0.78 | 2.23 | 1.28 | 0.21 | 1.28 | 1.44 | 3.30 | 1.56 | 1.04 | 0.30 | 14.96 | |||||||||||||
1987 | 0.78 | 0.90 | 0.84 | 0.70 | 0.97 | 0.61 | 1.03 | 1.08 | 0.28 | 0.96 | 0.74 | 1.22 | 10.11 | |||||||||||||
1988 | 1.57 | 0.47 | 0.45 | 1.11 | 0.56 | 1.09 | 0.80 | 0.71 | 2.59 | 0.14 | 1.81 | 1.00 | 12.30 | |||||||||||||
1989 | 0.82 | 1.58 | 0.47 | 0.61 | 0.31 | 0.20 | 2.63 | 0.67 | 0.77 | 1.17 | a | 0.24 | 0.10 | 9.57 | ||||||||||||
1990 | ----- | z | 0.93 | 0.41 | 1.28 | 0.76 | 0.70 | 1.22 | 0.27 | 0.51 | 1.58 | 0.88 | 1.07 | 9.61 | a | |||||||||||
1991 | 1.17 | 0.28 | 1.29 | 0.74 | 0.31 | 0.65 | 0.86 | 0.99 | 1.73 | 1.97 | 0.90 | 0.50 | 11.39 | |||||||||||||
1992 | 0.19 | 0.61 | 1.12 | 0.30 | 2.29 | 0.75 | 2.13 | 0.60 | 1.46 | 1.61 | 0.97 | 0.64 | 12.67 | |||||||||||||
1993 | 1.53 | a | 2.40 | 1.55 | 1.00 | 1.55 | 0.29 | 0.09 | q | 1.60 | a | 0.64 | 1.14 | 1.11 | 0.64 | 13.45 | a | |||||||||
1994 | 0.13 | 1.11 | 0.25 | 1.68 | 0.21 | g | 0.20 | o | 0.02 | 0.66 | 1.38 | 0.92 | 1.49 | 0.95 | k | 7.64 | c | |||||||||
1995 | 0.33 | a | 1.11 | 0.95 | 0.88 | 2.39 | 0.88 | j | 2.04 | b | 0.37 | 1.43 | 0.81 | 0.27 | 0.87 | 11.45 | a | |||||||||
1996 | 1.36 | a | 2.45 | 0.36 | 1.06 | i | 0.46 | 0.51 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 5.14 | g | ||||
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.69 | j | 0.99 | 0.91 | 1.90 | j | ||
1998 | 0.57 | 1.07 | 2.71 | 0.75 | 0.31 | 1.51 | 0.84 | 0.80 | a | 1.25 | a | 1.60 | 0.84 | 0.37 | 12.62 | |||||||||||
1999 | 0.48 | 0.77 | 0.46 | a | 3.29 | 1.00 | h | 0.85 | 0.59 | a | 1.44 | a | 1.18 | b | 0.47 | 0.25 | 0.80 | c | 10.58 | a | ||||||
2000 | 1.27 | b | 1.26 | c | 1.35 | a | 0.63 | 0.57 | 0.76 | 0.68 | 1.24 | b | 1.14 | 0.66 | 1.00 | c | 0.70 | f | 10.56 | a | ||||||
2001 | 0.29 | 1.19 | 1.23 | d | 1.08 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.36 | u | 0.00 | j | 3.79 | h | |||
2002 | 0.33 | i | 0.20 | i | 0.42 | k | 0.74 | m | 0.25 | n | 0.00 | x | ----- | z | ----- | z | ----- | z | 1.75 | b | 1.73 | 0.13 | 3.61 | i | ||
2003 | 0.24 | b | 0.48 | g | 0.84 | 0.61 | 2.22 | 0.31 | 0.43 | 1.29 | 1.51 | 0.04 | 1.90 | 0.51 | 9.90 | a | ||||||||||
2004 | 1.07 | 0.34 | d | 0.48 | a | 2.30 | 0.77 | g | 0.04 | l | 0.96 | 0.61 | a | 1.38 | i | ----- | z | ----- | z | ----- | z | 5.76 | f | |||
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.54 | l | 0.84 | a | 0.21 | f | 0.84 | k |
2007 | 0.38 | 0.94 | 0.47 | 0.36 | 1.10 | 0.37 | 1.43 | 1.77 | 3.16 | 0.61 | 0.00 | ----- | z | 10.59 | a | |||||||||||
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.07 | b | 0.00 | y | 1.07 | k |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.86 | 0.77 | 0.94 | 1.01 | 1.00 | 0.73 | 1.03 | 1.14 | 1.14 | 1.19 | 0.88 | 0.94 | 11.49 | |||||||||||||
S.D. | 0.59 | 0.55 | 0.68 | 0.67 | 0.76 | 0.70 | 0.67 | 0.81 | 0.77 | 0.88 | 0.61 | 0.77 | 2.84 | |||||||||||||
SKEW | 1.20 | 1.19 | 1.18 | 1.24 | 0.78 | 1.86 | 0.61 | 1.34 | 0.87 | 1.10 | 1.66 | 1.77 | 1.15 | |||||||||||||
MAX | 2.75 | 2.45 | 3.04 | 3.29 | 3.22 | 3.71 | 2.63 | 4.18 | 3.30 | 3.63 | 3.59 | 4.06 | 21.61 | |||||||||||||
MIN | 0.00 | 0.05 | 0.09 | 0.08 | 0.00 | 0.00 | 0.02 | 0.10 | 0.00 | 0.00 | 0.00 | 0.02 | 6.90 | |||||||||||||
YRS | 86 | 85 | 86 | 85 | 84 | 84 | 83 | 85 | 83 | 81 | 87 | 83 | 60 |