YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1915 | ----- | z | 0.73 | o | 0.55 | 1.87 | 3.81 | 0.37 | 1.07 | 0.10 | 0.30 | 0.64 | 2.27 | ----- | z | 10.98 | c | |||||||||
1916 | ----- | z | 3.03 | 1.16 | 0.53 | 1.16 | 1.23 | 0.43 | 0.45 | 0.17 | 0.12 | 2.45 | ----- | z | 10.73 | b | ||||||||||
1917 | 0.76 | 0.52 | 0.50 | 1.15 | 1.27 | 0.59 | 0.04 | 0.00 | 0.29 | 0.00 | 1.04 | 1.79 | 7.95 | |||||||||||||
1918 | 0.80 | 1.30 | 0.66 | 0.09 | 0.17 | 0.52 | 2.13 | 0.32 | 0.00 | 1.67 | 2.56 | ----- | z | 10.22 | a | |||||||||||
1919 | 1.00 | 1.62 | 0.12 | 0.06 | 0.81 | 0.02 | 0.51 | 0.61 | 1.65 | 0.60 | 1.11 | u | 0.89 | 7.89 | a | |||||||||||
1920 | 0.19 | 0.06 | 0.14 | 1.65 | 0.11 | 0.84 | 0.81 | 1.36 | 1.48 | 0.60 | 2.15 | 1.02 | b | 10.41 | ||||||||||||
1921 | 1.59 | 0.37 | 0.70 | 1.13 | 0.45 | 0.17 | 0.00 | 0.00 | 0.48 | 1.52 | 2.65 | 0.58 | 9.64 | |||||||||||||
1922 | 0.82 | 1.13 | 0.50 | 1.45 | 0.22 | 0.00 | 0.00 | 0.78 | 0.38 | 2.45 | 0.38 | 1.55 | 9.66 | |||||||||||||
1923 | 1.15 | 0.77 | 0.40 | 0.78 | 1.00 | 3.10 | 0.92 | 0.60 | 0.33 | 1.81 | 0.45 | 0.84 | 12.15 | |||||||||||||
1924 | 1.56 | 1.31 | 0.16 | 0.06 | 0.06 | 0.82 | 0.34 | 0.52 | 1.78 | 1.77 | 2.49 | 1.50 | 12.37 | |||||||||||||
1925 | 0.94 | 1.51 | 0.48 | 0.92 | 0.75 | 0.83 | 0.06 | 0.07 | 0.59 | 0.30 | 1.52 | 0.61 | 8.58 | |||||||||||||
1926 | 0.77 | 1.33 | 0.19 | ----- | z | ----- | z | 0.16 | ----- | z | 1.64 | 1.14 | 1.11 | 2.22 | 1.98 | 10.54 | c | |||||||||
1927 | 1.55 | 1.08 | 1.16 | 0.07 | y | 1.42 | 1.32 | 0.08 | 0.53 | 2.98 | 0.96 | 2.61 | 0.31 | 14.00 | a | |||||||||||
1928 | 1.05 | w | 0.24 | x | 0.97 | 0.78 | ----- | z | 0.73 | r | 1.03 | ----- | z | ----- | z | 0.26 | y | 1.02 | u | ----- | z | 2.78 | i | |||
1929 | 0.24 | y | 0.24 | y | 1.17 | x | 0.76 | v | 0.29 | w | 2.06 | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | 0.97 | 3.03 | h | ||||
1930 | 0.60 | 0.83 | 0.58 | 0.56 | v | 1.36 | v | 1.08 | v | 0.12 | 0.52 | 1.17 | u | 0.46 | 1.45 | u | 0.56 | w | 3.11 | f | ||||||
1931 | 1.08 | h | 0.74 | 1.74 | 0.29 | 0.47 | 1.79 | 0.00 | 0.00 | 1.10 | a | 1.38 | 0.93 | 2.51 | 10.95 | a | ||||||||||
1932 | 1.56 | 0.38 | 1.73 | 1.40 | 0.66 | 0.17 | 0.16 | 0.27 | 0.10 | 0.34 | 2.58 | 1.27 | 10.62 | |||||||||||||
1933 | 1.41 | 0.36 | 2.86 | 0.30 | 1.62 | 0.52 | 0.19 | 0.08 | 1.77 | 0.87 | 0.65 | 2.94 | 13.57 | |||||||||||||
1934 | 1.93 | 0.28 | 0.75 | 0.70 | 0.31 | 0.54 | 0.24 | 0.45 | 1.23 | 2.18 | 2.93 | 1.40 | 12.94 | |||||||||||||
1935 | 1.71 | 0.78 | 0.29 | 0.66 | 0.26 | 1.61 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 5.31 | f | ||||||
1936 | 1.74 | 0.96 | 0.05 | 1.08 | 0.60 | 3.24 | 0.07 | 0.06 | 0.28 | 0.12 | 0.00 | 0.51 | 8.71 | |||||||||||||
1937 | 1.25 | 1.76 | 1.19 | 2.80 | ----- | z | 5.72 | 0.45 | 0.11 | a | 0.96 | 1.11 | 3.17 | 1.31 | 19.83 | a | ||||||||||
1938 | 1.19 | 1.87 | 1.74 | 0.05 | 0.00 | 0.98 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 5.83 | e | |||||||
1939 | 1.27 | 0.60 | 1.44 | 1.01 | 0.12 | 1.51 | 0.03 | 0.02 | 0.11 | 0.68 | 0.29 | 3.39 | 10.47 | |||||||||||||
1940 | 1.17 | 4.53 | 1.58 | 1.64 | 0.36 | 0.17 | 0.55 | 0.00 | 1.30 | 2.60 | f | 1.53 | 2.07 | 14.90 | a | |||||||||||
1941 | 2.23 | 1.18 | 1.02 | 1.32 | 1.24 | 3.31 | 0.38 | 2.15 | 2.23 | 0.39 | 1.92 | 2.62 | 19.99 | |||||||||||||
1942 | 1.91 | 1.51 | 0.09 | 1.48 | a | 3.39 | 1.56 | 0.70 | 0.44 | 0.00 | 0.52 | 1.61 | d | 1.13 | 14.34 | |||||||||||
1943 | 1.25 | a | 0.25 | 0.80 | c | 1.12 | 0.96 | a | 1.40 | 0.00 | 1.06 | a | 0.02 | 1.98 | p | 0.64 | 0.56 | 8.06 | a | |||||||
1944 | 1.40 | d | 1.15 | b | 0.27 | c | 2.54 | b | 0.66 | 1.59 | 0.00 | 0.42 | a | 0.68 | c | 0.44 | 4.14 | f | 0.63 | c | 9.78 | a | ||||
1945 | 2.76 | 1.86 | 1.62 | 0.22 | j | 2.31 | 1.28 | e | 0.00 | c | 0.12 | b | 1.15 | 1.04 | 2.16 | e | 2.63 | b | 16.93 | a | ||||||
1946 | 1.41 | 1.12 | 0.52 | c | 0.31 | h | 0.59 | b | 0.92 | j | 0.07 | b | 0.12 | a | 0.18 | k | 1.12 | i | 2.18 | c | 0.53 | d | 6.54 | d | ||
1947 | 0.42 | 0.68 | 0.63 | 1.50 | 0.53 | b | 1.04 | b | 1.44 | d | ----- | z | ----- | z | 4.01 | a | 0.50 | 1.63 | 12.38 | b | ||||||
1948 | 1.21 | 0.98 | b | 0.07 | f | 3.17 | c | 3.82 | j | 4.02 | 1.94 | 3.11 | 1.53 | 0.59 | 1.03 | d | 2.26 | 19.84 | b | |||||||
1949 | 0.46 | 0.97 | 1.11 | 0.10 | 0.38 | 0.34 | 0.07 | 0.06 | 0.17 | 0.76 | 1.88 | 0.71 | 7.01 | |||||||||||||
1950 | 1.33 | 1.28 | 2.77 | 1.29 | 1.48 | 2.12 | 0.63 | 0.19 | 0.12 | 2.61 | 2.12 | 2.12 | 18.06 | |||||||||||||
1951 | 1.33 | d | 1.04 | 0.87 | c | 0.42 | 0.24 | 1.52 | 0.43 | 1.51 | 1.21 | 3.44 | 1.59 | 1.78 | c | 15.38 | ||||||||||
1952 | 1.11 | f | 0.65 | 0.62 | 0.97 | 0.61 | 1.28 | 0.43 | 0.08 | 0.31 | 0.07 | 0.43 | 2.10 | c | 7.55 | a | ||||||||||
1953 | 2.18 | 0.75 | 1.16 | 0.95 | 2.01 | 1.48 | 0.02 | 0.65 | 0.11 | 0.51 | 1.19 | a | 1.26 | 12.27 | ||||||||||||
1954 | 1.22 | 0.53 | 0.91 | 0.40 | 1.94 | 1.21 | 0.35 | 0.67 | 0.69 | 0.07 | 1.98 | 0.57 | a | 10.54 | ||||||||||||
1955 | 1.73 | 0.14 | 0.54 | 1.40 | 0.73 | 0.91 | 2.22 | 0.00 | 0.79 | 1.26 | 1.22 | 2.51 | 13.45 | |||||||||||||
1956 | 2.73 | 0.54 | 0.43 | 0.82 | 0.47 | 2.97 | 0.31 | 1.67 | 0.10 | 1.72 | 0.54 | 0.59 | 12.89 | |||||||||||||
1957 | 1.13 | 1.03 | j | 1.93 | 0.43 | 4.40 | 0.51 | 0.45 | 0.43 | 0.24 | 2.27 | 1.18 | 1.12 | 14.09 | a | |||||||||||
1958 | 2.83 | 2.74 | 0.79 | 1.47 | 0.67 | 1.59 | 3.35 | 0.00 | 0.91 | 0.89 | 2.03 | 1.71 | 18.98 | |||||||||||||
1959 | 2.80 | 1.22 | 0.90 | 0.32 | 2.01 | 0.86 | 0.03 | 0.06 | 2.36 | 0.67 | 1.27 | 1.08 | 13.58 | |||||||||||||
1960 | 1.00 | 1.29 | 0.99 | 1.32 | 1.73 | 0.17 | 0.00 | 0.21 | 0.83 | 0.51 | 3.41 | 1.31 | 12.77 | |||||||||||||
1961 | 0.51 | 2.61 | 1.70 | 1.52 | 1.77 | 0.74 | 0.29 | 0.81 | 0.08 | 0.51 | 1.31 | 2.09 | 13.94 | |||||||||||||
1962 | 0.59 | 0.82 | 1.02 | 0.82 | 1.22 | 0.86 | 0.10 | 1.01 | 0.94 | 1.25 | 1.77 | 1.60 | 12.00 | |||||||||||||
1963 | 0.10 | 1.35 | 0.83 | 1.60 | 0.69 | 0.51 | 0.53 | 0.00 | 0.64 | 0.29 | 3.19 | 1.68 | 11.41 | |||||||||||||
1964 | 1.67 | 0.14 | 0.72 | 0.14 | 0.26 | 1.45 | a | 0.02 | 0.87 | 0.30 | 0.26 | 2.22 | 2.46 | b | 10.51 | |||||||||||
1965 | 1.61 | 0.22 | 0.34 | 1.42 | 0.62 | 0.63 | 1.12 | 0.93 | 0.12 | 0.13 | 1.90 | 1.73 | 10.77 | |||||||||||||
1966 | 0.92 | 0.26 | 0.90 | 0.02 | 0.24 | 1.12 | 0.76 | 0.25 | 1.26 | 0.19 | 2.18 | 2.35 | 10.45 | |||||||||||||
1967 | 1.70 | 0.24 | 0.69 | 1.12 | 1.21 | 1.09 | 0.10 | 0.21 | 0.14 | 1.44 | 1.01 | 1.65 | 10.60 | |||||||||||||
1968 | 2.36 | 0.94 | 0.53 | 0.57 | 0.79 | 0.32 | 0.00 | 2.23 | 0.10 | 2.05 | a | 1.95 | 2.52 | 14.36 | ||||||||||||
1969 | 2.22 | 1.47 | 0.52 | 2.19 | 1.12 | a | 0.63 | 0.12 | 0.00 | 0.90 | 0.43 | 0.35 | 2.18 | a | 12.13 | |||||||||||
1970 | 2.42 | 0.82 | 0.83 | a | 0.60 | 0.28 | 0.84 | 0.10 | 0.00 | 0.24 | 1.30 | 1.40 | c | 2.99 | 11.82 | |||||||||||
1971 | 1.84 | 0.62 | 1.94 | 1.27 | 1.02 | 1.19 | 0.29 | 0.10 | 0.67 | 1.16 | 1.34 | 2.59 | 14.03 | |||||||||||||
1972 | 0.78 | 0.37 | d | 1.17 | 0.92 | 3.48 | 1.58 | 0.22 | 0.13 | 0.73 | 0.61 | 1.24 | 2.32 | a | 13.55 | |||||||||||
1973 | 1.23 | 0.84 | a | 0.32 | a | 0.09 | 0.43 | 0.25 | 0.11 | 0.11 | 1.59 | 1.47 | b | 4.39 | c | 4.85 | e | 15.68 | ||||||||
1974 | 1.02 | a | 1.65 | b | 1.10 | 1.17 | 0.80 | 0.00 | 1.30 | 0.51 | 0.23 | 0.10 | 2.16 | b | 2.91 | 12.95 | ||||||||||
1975 | 0.80 | g | 1.97 | d | 0.90 | c | 0.77 | 1.91 | a | 0.22 | 0.03 | 0.83 | 0.08 | 1.88 | 0.46 | 1.54 | 10.59 | a | ||||||||
1976 | 0.74 | 0.77 | 1.03 | 1.09 | 0.76 | 0.53 | 0.27 | 1.61 | 0.21 | 0.32 | a | 0.00 | 0.35 | 7.68 | ||||||||||||
1977 | 0.31 | 0.55 | 0.49 | 0.00 | 1.69 | 1.04 | 0.24 | 0.00 | c | 1.26 | 0.55 | 1.55 | a | 3.96 | 11.64 | |||||||||||
1978 | 1.49 | 1.37 | 1.18 | 2.81 | 1.06 | 0.53 | 1.91 | 2.30 | 1.21 | ----- | z | 0.17 | 0.88 | 14.91 | a | |||||||||||
1979 | 0.61 | 1.74 | b | 0.24 | 0.55 | ----- | z | 0.79 | 0.38 | 0.81 | 0.43 | 1.66 | 1.45 | 1.56 | 10.22 | a | ||||||||||
1980 | 1.90 | 3.26 | 1.19 | 1.48 | 3.26 | 1.41 | 0.47 | 0.75 | 1.59 | 0.87 | a | 1.31 | 1.73 | a | 19.22 | |||||||||||
1981 | 0.81 | 2.47 | 1.12 | 0.36 | 2.64 | 1.15 | 1.65 | 0.14 | 0.65 | 1.76 | 1.56 | b | 2.24 | 16.55 | ||||||||||||
1982 | 1.01 | 1.33 | 1.36 | 1.42 | 0.76 | b | 0.94 | 1.13 | a | 1.30 | 1.15 | 1.06 | a | 1.83 | 2.73 | g | 13.29 | a | ||||||||
1983 | 1.88 | a | 2.26 | a | 4.00 | b | 1.98 | 1.05 | a | 0.84 | a | 2.36 | 0.81 | 0.56 | 0.64 | 5.35 | 1.93 | a | 23.66 | |||||||
1984 | 0.52 | h | 1.34 | a | 2.14 | c | 2.14 | 1.77 | a | 3.21 | a | 0.35 | 0.18 | 0.31 | 0.97 | 3.48 | 0.45 | g | 15.89 | b | ||||||
1985 | 0.53 | a | 0.98 | a | 0.23 | 0.27 | 0.97 | 0.38 | 0.00 | 0.21 | 2.12 | 1.02 | 0.85 | j | 0.66 | a | 7.37 | a | ||||||||
1986 | 2.81 | e | 1.05 | 1.62 | 1.09 | 0.62 | c | 0.38 | 0.33 | 0.01 | 2.60 | 0.72 | 1.20 | 0.98 | c | 13.41 | ||||||||||
1987 | 1.47 | 0.45 | 2.86 | a | 0.22 | 1.01 | c | 0.61 | 1.92 | 1.09 | 0.05 | a | 0.13 | 0.72 | f | 2.38 | c | 12.19 | a | |||||||
1988 | 0.99 | 0.04 | 1.08 | 0.93 | b | 1.28 | 0.83 | 0.00 | 0.00 | 0.49 | a | 0.08 | 3.62 | 0.61 | 9.95 | |||||||||||
1989 | 0.24 | 0.78 | 1.24 | 1.03 | 2.56 | 0.34 | 0.09 | 1.09 | 0.01 | 1.05 | 0.56 | f | 0.21 | b | 8.64 | a | ||||||||||
1990 | 1.41 | a | 0.68 | 0.42 | 1.20 | 2.50 | d | 1.59 | b | ----- | z | 1.71 | e | ----- | z | ----- | z | ----- | z | ----- | z | 9.51 | e | |||
1991 | 0.96 | a | 0.77 | g | 1.75 | d | 0.35 | b | 2.95 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 6.01 | h |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.34 | 1.12 | 1.00 | 1.02 | 1.18 | 1.14 | 0.52 | 0.58 | 0.77 | 0.99 | 1.73 | 1.66 | 12.73 | |||||||||||||
S.D. | 0.67 | 0.81 | 0.72 | 0.71 | 0.98 | 1.01 | 0.70 | 0.67 | 0.70 | 0.81 | 1.05 | 0.92 | 3.40 | |||||||||||||
SKEW | 0.46 | 1.61 | 1.56 | 0.77 | 1.32 | 2.04 | 1.89 | 1.55 | 1.07 | 1.38 | 0.80 | 0.78 | 1.02 | |||||||||||||
MAX | 2.83 | 4.53 | 4.00 | 3.17 | 4.40 | 5.72 | 3.35 | 3.11 | 2.98 | 4.01 | 5.35 | 4.85 | 23.66 | |||||||||||||
MIN | 0.10 | 0.04 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.21 | 7.01 | |||||||||||||
YRS | 69 | 72 | 75 | 71 | 70 | 73 | 73 | 72 | 68 | 67 | 65 | 66 | 45 |