YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.07 | 1.11 | t | 0.86 | q | ----- | z | |
1906 | 0.74 | 0.71 | n | 0.20 | v | 0.42 | 0.68 | 0.85 | ----- | z | 0.18 | 1.38 | 1.05 | 2.82 | 2.96 | h | ----- | z | ||||||||
1907 | 2.18 | m | 2.52 | l | 0.71 | 0.79 | 0.54 | 0.67 | 0.54 | 0.94 | 0.71 | s | 0.80 | 1.35 | n | 1.18 | ----- | z | ||||||||
1908 | 0.97 | 0.90 | k | 3.29 | 1.66 | 1.27 | 0.47 | ----- | z | 0.57 | 0.21 | 1.80 | 1.01 | p | 1.17 | s | ----- | z | ||||||||
1909 | 1.49 | 0.66 | 0.87 | 0.84 | 0.68 | 0.53 | 0.29 | 0.10 | 1.36 | 0.83 | 2.33 | d | 1.20 | 2.33 | d | |||||||||||
1910 | 1.14 | a | 1.16 | a | 3.82 | ----- | z | 0.71 | 0.84 | 0.09 | 0.21 | 0.36 | 1.08 | 2.06 | 0.83 | ----- | z | |||||||||
1911 | 1.85 | a | 0.62 | a | 0.61 | 1.07 | 0.86 | 0.77 | 0.29 | 0.21 | 1.47 | 0.66 | 1.57 | a | 0.84 | 1.85 | c | |||||||||
1912 | 2.26 | 1.54 | 0.56 | 0.62 | k | 0.95 | 0.74 | 1.01 | 2.06 | 0.52 | 0.85 | 1.24 | 2.72 | 2.72 | k | |||||||||||
1913 | 2.20 | a | 0.84 | 0.81 | a | 0.74 | 0.43 | 0.95 | 0.35 | 0.72 | 1.20 | 1.47 | 0.92 | 0.68 | 2.20 | b | ||||||||||
1914 | 2.31 | 1.04 | 0.87 | 0.76 | 0.66 | 0.52 | 0.09 | 0.04 | 0.68 | 0.94 | 0.90 | 0.40 | 2.31 | |||||||||||||
1915 | 0.84 | 0.69 | 0.61 | 1.15 | 1.10 | 0.42 | 0.42 | 0.04 | ----- | z | ----- | z | ----- | z | 2.59 | p | ----- | z | ||||||||
1916 | 0.80 | 1.47 | 1.81 | 0.81 | 0.60 | 0.33 | 2.12 | 0.52 | 0.56 | 0.97 | 1.03 | 0.71 | 2.12 | |||||||||||||
1917 | 0.87 | u | ----- | z | ----- | z | 0.80 | d | 0.38 | 0.86 | 0.24 | 0.00 | 0.51 | 0.73 | ----- | z | 1.85 | ----- | z | |||||||
1918 | 1.03 | 1.40 | 0.73 | 0.62 | 0.64 | 0.41 | 0.23 | 0.37 | ----- | z | 1.83 | 0.89 | 1.87 | ----- | z | |||||||||||
1919 | 2.31 | 0.83 | 0.54 | 1.12 | 0.92 | 0.92 | 0.36 | 0.05 | 0.49 | 3.18 | a | 1.21 | 1.40 | 3.18 | a | |||||||||||
1920 | 1.04 | 0.08 | 1.51 | 0.98 | 0.89 | 0.51 | s | 0.88 | 0.77 | 0.83 | x | ----- | z | ----- | z | ----- | z | ----- | z | |||||||
1921 | ----- | z | ----- | z | ----- | z | 0.99 | 0.67 | 0.61 | 0.31 | 0.49 | 1.31 | 0.67 | 1.38 | 1.51 | ----- | z | |||||||||
1922 | 0.51 | 0.59 | 0.52 | 0.45 | 0.77 | 0.53 | 0.00 | 0.58 | x | ----- | z | ----- | z | ----- | z | 1.02 | ----- | z | ||||||||
1923 | 1.99 | ----- | z | ----- | z | ----- | z | 0.61 | n | 0.40 | ----- | 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 | 0.34 | 0.43 | 0.42 | 0.59 | 1.97 | ----- | z | |||||
1926 | 1.43 | 1.40 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.15 | f | 1.00 | a | ----- | z |
1928 | ----- | z | ----- | z | 1.65 | 1.50 | 0.60 | 1.17 | ----- | 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 | 0.24 | y | 1.87 | a | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.11 | j | 0.66 | 0.40 | 0.75 | 1.20 | i | 2.18 | 2.19 | ----- | z | |||||
1933 | 1.69 | 0.83 | 0.96 | 0.53 | 0.36 | 2.37 | 0.10 | 0.82 | 0.85 | 1.70 | 2.13 | 4.02 | 4.02 | |||||||||||||
1934 | 1.85 | 0.59 | 1.56 | 0.79 | 0.60 | 0.25 | 0.27 | 0.15 | 1.02 | 2.79 | 1.66 | 1.86 | 2.79 | |||||||||||||
1935 | 2.72 | 0.73 | 1.50 | 0.46 | 0.23 | 1.18 | 0.26 | 0.37 | 1.02 | 0.70 | 1.15 | 0.93 | 2.72 | |||||||||||||
1936 | 1.22 | 1.18 | 1.37 | 0.66 | 1.23 | 1.84 | 0.88 | 0.57 | 0.78 | 0.69 | 0.64 | 2.67 | 2.67 | |||||||||||||
1937 | 1.00 | 1.38 | 0.67 | 1.79 | 0.98 | 0.91 | 0.12 | 0.70 | b | 0.98 | 1.02 | 2.48 | 2.30 | 2.48 | b | |||||||||||
1938 | 1.74 | 1.25 | 1.09 | 1.80 | 0.67 | 0.34 | 0.15 | 0.37 | f | 0.56 | c | 1.06 | d | 2.23 | 1.27 | 2.23 | m | |||||||||
1939 | 1.09 | 1.86 | 0.81 | 0.20 | 0.57 | 0.68 | 0.65 | 0.71 | 1.15 | 0.81 | 0.72 | 1.72 | 1.86 | |||||||||||||
1940 | 0.45 | 1.78 | 0.93 | 1.49 | 1.13 | 0.27 | 1.07 | 0.52 | 1.12 | 0.90 | d | 1.47 | 1.40 | 1.78 | d | |||||||||||
1941 | 1.17 | 0.67 | 0.62 | 0.58 | 0.64 | 0.66 | 0.04 | 1.02 | 0.80 | 0.58 | g | 1.08 | 2.95 | 2.95 | g | |||||||||||
1942 | 0.67 | 0.94 | 0.69 | 0.89 | 0.72 | 0.78 | 0.67 | 0.50 | c | 0.19 | 2.78 | b | 2.56 | 1.06 | 2.78 | e | ||||||||||
1943 | 0.81 | 1.89 | 1.62 | 0.84 | 0.52 | 0.55 | 0.27 | 0.38 | 0.22 | 0.77 | d | 1.45 | 1.59 | 1.89 | d | |||||||||||
1944 | 1.05 | 1.00 | 0.91 | 0.56 | 0.60 | 0.76 | 0.00 | 0.07 | 0.99 | 0.46 | b | 1.14 | 1.68 | 1.68 | b | |||||||||||
1945 | 2.10 | 2.19 | 0.81 | 0.93 | 0.97 | 0.60 | 0.53 | 0.75 | 1.73 | 0.81 | 1.48 | 2.10 | 2.19 | |||||||||||||
1946 | 1.25 | b | 1.47 | 0.90 | a | 0.60 | 0.55 | 0.90 | 1.00 | 0.13 | 0.52 | 1.67 | b | 2.76 | 3.33 | 3.33 | e | |||||||||
1947 | 1.61 | 1.37 | 0.73 | 0.90 | 0.18 | 0.80 | 0.47 | 0.15 | 0.66 | 1.50 | 1.01 | 1.19 | 1.61 | |||||||||||||
1948 | 1.53 | 1.95 | 1.70 | 0.46 | 1.11 | 1.52 | 0.82 | 0.46 | 1.59 | 1.47 | 1.56 | 2.18 | 2.18 | |||||||||||||
1949 | 0.67 | 1.95 | 0.50 | 0.67 | 1.65 | 0.28 | 0.65 | e | 0.34 | 0.80 | 1.35 | 1.22 | 1.15 | 1.95 | e | |||||||||||
1950 | 2.39 | 1.84 | 1.32 | 0.83 | 0.53 | 0.38 | a | 1.01 | a | 0.90 | 1.23 | 1.10 | 1.20 | 1.80 | 2.39 | b | ||||||||||
1951 | 1.53 | 1.69 | 1.58 | 0.65 | 1.05 | 0.20 | 0.17 | 0.95 | 1.08 | 1.77 | 2.57 | 1.67 | 2.57 | |||||||||||||
1952 | 0.77 | 1.71 | 0.71 | 0.91 | 0.57 | 0.55 | 0.06 | 0.41 | 0.27 | 0.36 | 0.25 | 0.92 | 1.71 | |||||||||||||
1953 | 1.77 | 1.21 | 0.84 | 0.41 | 0.74 | 0.78 | 0.30 | 0.69 | 1.09 | 0.88 | 1.13 | a | 1.83 | 1.83 | a | |||||||||||
1954 | 1.82 | 1.19 | 1.76 | 0.72 | 1.45 | 0.81 | 0.34 | 0.78 | 0.64 | 1.17 | 1.55 | 2.11 | 2.11 | |||||||||||||
1955 | 0.77 | 2.17 | 0.77 | 0.99 | 0.63 | 0.86 | 0.65 | 0.00 | 1.23 | 2.25 | 1.91 | 2.37 | a | 2.37 | a | |||||||||||
1956 | 1.58 | 0.68 | 0.84 | 0.44 | 0.50 | 0.69 | 0.10 | i | 0.99 | 0.70 | 1.05 | 1.42 | 1.98 | 1.98 | i | |||||||||||
1957 | 1.01 | 1.10 | 1.76 | 0.97 | 0.61 | 0.98 | 0.15 | 0.37 | 0.34 | 0.96 | i | 1.25 | 2.06 | 2.06 | i | |||||||||||
1958 | 1.01 | 0.85 | 0.72 | 1.48 | 0.50 | 1.30 | 0.31 | 0.90 | 0.55 | 1.47 | 2.16 | 1.64 | 2.16 | |||||||||||||
1959 | 2.10 | 1.12 | 0.84 | 1.11 | 0.79 | 2.24 | c | 0.32 | 0.48 | 1.15 | 2.65 | 3.17 | 1.38 | 3.17 | c | |||||||||||
1960 | 0.81 | 1.01 | 1.09 | 1.18 | a | 1.11 | 0.71 | 0.10 | 1.14 | 0.69 | 1.54 | 2.37 | 0.89 | 2.37 | a | |||||||||||
1961 | 1.58 | 2.04 | 0.99 | 0.96 | 0.47 | 0.53 | 0.75 | 1.04 | 1.02 | 1.43 | 1.79 | 1.24 | 2.04 | |||||||||||||
1962 | 0.91 | 0.58 | 0.73 | 1.97 | 0.73 | 0.61 | 0.21 | 0.89 | 0.94 | 0.82 | 3.37 | 0.82 | 3.37 | |||||||||||||
1963 | 0.71 | 2.29 | 1.17 | b | 0.43 | g | 0.63 | 0.55 | 0.56 | 0.65 | a | 1.37 | 1.79 | 1.23 | 0.92 | 2.29 | j | |||||||||
1964 | 2.63 | 0.73 | 0.97 | 0.79 | 0.47 | d | 0.89 | 0.40 | 0.65 | 0.86 | 0.55 | 2.45 | 2.86 | 2.86 | d | |||||||||||
1965 | 1.91 | 0.79 | 0.35 | 1.37 | 0.94 | 0.20 | 0.43 | 1.13 | 0.68 | 0.65 | 0.81 | ----- | z | ----- | z | |||||||||||
1966 | ----- | z | ----- | z | 1.65 | 0.82 | ----- | z | 1.30 | 1.55 | 0.30 | 0.56 | 1.36 | 1.32 | 1.10 | ----- | z | |||||||||
1967 | 1.18 | 0.92 | 2.00 | l | ----- | z | 0.50 | ----- | z | 0.00 | 0.10 | ----- | z | ----- | z | 0.85 | 0.98 | ----- | z | |||||||
1968 | 0.85 | 3.01 | 1.18 | 0.95 | 0.67 | 2.64 | 0.40 | 1.26 | 1.40 | 1.14 | 1.66 | 0.92 | 3.01 | |||||||||||||
1969 | 1.92 | 0.79 | 0.46 | 0.74 | 0.98 | 0.98 | 0.14 | 0.43 | 0.79 | 0.96 | 1.84 | 1.00 | 1.92 | |||||||||||||
1970 | 2.23 | 1.88 | 1.02 | 0.89 | 0.62 | 0.33 | 0.12 | 0.12 | 0.92 | 0.94 | 1.46 | 1.57 | 2.23 | |||||||||||||
1971 | 2.14 | 1.77 | 0.59 | 1.03 | 0.66 | 1.22 | 0.44 | 0.41 | 1.03 | 1.19 | 1.02 | 3.07 | 3.07 | |||||||||||||
1972 | 2.37 | 1.53 | 1.50 | 1.59 | 0.35 | 0.57 | 0.84 | 0.52 | 1.76 | 0.77 | 1.91 | 2.35 | 2.37 | |||||||||||||
1973 | 1.43 | 0.98 | 0.83 | 0.78 | 0.92 | 0.98 | 0.02 | 0.05 | 0.94 | 0.86 | 2.11 | 2.02 | 2.11 | |||||||||||||
1974 | 2.03 | 1.74 | 1.36 | 1.15 | 0.85 | 2.62 | 0.77 | 0.13 | 0.36 | 0.56 | 1.75 | 2.18 | 2.62 | |||||||||||||
1975 | 2.19 | 1.20 | 0.71 | 0.73 | 0.43 | 0.73 | 0.16 | 1.20 | 0.12 | 1.77 | 1.03 | 3.50 | 3.50 | |||||||||||||
1976 | 2.39 | 1.48 | 0.60 | 0.93 | 0.62 | 0.46 | 1.10 | 1.09 | 0.40 | 1.47 | 0.62 | 1.09 | 2.39 | |||||||||||||
1977 | 0.41 | 0.66 | 1.99 | 0.75 | 0.96 | 0.71 | 0.20 | 1.66 | 0.90 | 0.69 | 1.64 | 5.39 | 5.39 | |||||||||||||
1978 | 0.78 | 0.83 | 0.67 | 1.07 | 1.27 | 0.65 | 0.82 | 0.94 | 0.57 | 1.00 | 1.30 | 1.56 | 1.56 | |||||||||||||
1979 | 0.95 | 2.39 | 1.21 | 0.48 | 0.72 | 0.19 | 1.16 | 0.34 | 1.26 | 1.02 | 0.67 | 2.43 | 2.43 | |||||||||||||
1980 | 1.32 | 1.04 | 0.66 | 0.96 | 0.51 | 0.70 | 0.51 | 0.55 | 1.19 | 0.58 | 2.20 | a | 1.92 | 2.20 | a | |||||||||||
1981 | 0.67 | 1.79 | 0.72 | 1.14 | 0.46 | 1.53 | 1.10 | 0.19 | 1.39 | 2.27 | 0.97 | 1.64 | 2.27 | |||||||||||||
1982 | 2.89 | 1.61 | 1.14 | 0.89 | 0.36 | 0.32 | 0.32 | 0.30 | 0.94 | 2.32 | 0.94 | 1.78 | 2.89 | |||||||||||||
1983 | 2.08 | 0.67 | 1.57 | 0.71 | 0.80 | 0.84 | 1.51 | 0.77 | 0.93 | 1.00 | 1.45 | 1.53 | 2.08 | |||||||||||||
1984 | 2.80 | 1.28 | 0.81 | 1.04 | 0.98 | 1.06 | 0.02 | 0.04 | 1.14 | 0.96 | 1.08 | 1.11 | 2.80 | |||||||||||||
1985 | ----- | z | 0.85 | 1.40 | 0.87 | 0.40 | 2.49 | 0.04 | 0.74 | 0.84 | 0.96 | 1.34 | 0.87 | ----- | z | |||||||||||
1986 | 1.23 | 2.67 | 0.98 | 0.72 | 0.83 | 0.48 | 0.90 | 0.05 | 1.73 | 1.20 | 2.29 | 0.71 | 2.67 | |||||||||||||
1987 | 1.03 | 3.11 | 1.27 | 0.71 | 1.00 | 0.38 | 0.48 | 0.37 | 0.89 | 0.16 | 0.95 | 2.87 | 3.11 | |||||||||||||
1988 | 1.06 | 1.07 | 1.70 | 0.91 | 0.73 | 0.55 | 0.41 | 0.56 | 1.07 | 0.99 | 1.40 | 1.44 | 1.70 | |||||||||||||
1989 | 1.34 | 1.41 | ----- | z | 0.78 | 0.82 | 0.71 | 0.32 | 0.75 | 0.80 | 0.59 | 1.63 | 1.65 | ----- | z | |||||||||||
1990 | 2.42 | 3.35 | a | 0.99 | 1.41 | 0.75 | c | 0.94 | 0.21 | 0.66 | e | 0.26 | 0.54 | 1.60 | o | 1.25 | 3.35 | x | ||||||||
1991 | 1.40 | 1.60 | 1.75 | 3.10 | 1.58 | 0.90 | 0.12 | 0.55 | 0.33 | 0.73 | 2.34 | 1.12 | 3.10 | |||||||||||||
1992 | 1.60 | 0.84 | 0.53 | 1.20 | 0.50 | 1.05 | 0.80 | 0.62 | 1.58 | 0.49 | 1.43 | 1.65 | 1.65 | |||||||||||||
1993 | 1.14 | 0.05 | c | 0.94 | 0.65 | a | 1.12 | a | 0.71 | 0.63 | c | 0.12 | 0.07 | f | 0.63 | j | 0.79 | b | 2.00 | ----- | z | |||||
1994 | 1.70 | ----- | z | ----- | z | 0.61 | ----- | z | 0.96 | 0.33 | 0.27 | 0.62 | 2.90 | 2.80 | 2.12 | b | ----- | z | ||||||||
1995 | 0.60 | m | ----- | z | ----- | z | 0.62 | h | 0.72 | 0.52 | 0.92 | 0.99 | 1.32 | 2.65 | 2.01 | h | 1.25 | e | ----- | z | ||||||
1996 | 1.45 | a | 3.65 | 0.85 | 1.30 | 1.30 | a | 0.69 | 1.20 | 0.44 | 0.93 | 1.64 | 1.63 | 2.43 | a | 3.65 | c | |||||||||
1997 | 1.80 | 1.20 | 1.69 | 1.38 | a | 1.11 | 0.83 | 0.89 | a | 0.66 | 1.42 | 2.32 | 2.09 | 1.63 | 2.32 | b | ||||||||||
1998 | 0.88 | 0.98 | 0.90 | 0.46 | 0.84 | 0.60 | 0.10 | 0.00 | 0.34 | k | 1.36 | 2.35 | 2.43 | a | 2.43 | l | ||||||||||
1999 | 1.90 | 1.98 | 0.57 | 0.58 | 0.63 | 0.49 | 0.59 | 0.21 | 0.29 | 0.81 | e | 4.19 | a | 1.79 | 4.19 | f | ||||||||||
2000 | 1.78 | 1.79 | 0.79 | 1.28 | 0.89 | 1.69 | 0.31 | 0.59 | 1.95 | 0.79 | 1.37 | 1.71 | 1.95 | |||||||||||||
2001 | 0.87 | 1.27 | 1.09 | 1.33 | 1.06 | 1.09 | 0.47 | 0.94 | 0.46 | 1.43 | 2.19 | 1.78 | 2.19 | |||||||||||||
2002 | 1.94 | 1.43 | 1.49 | 1.33 | 0.89 | 1.34 | 0.67 | 0.02 | 0.59 | g | 0.83 | 2.57 | e | 1.58 | 2.57 | l | ||||||||||
2003 | 3.02 | 0.86 | 1.50 | 0.64 | 0.58 | 0.18 | 0.03 | 0.09 | j | ----- | z | 0.83 | r | ----- | z | 1.79 | c | ----- | z | |||||||
2004 | 3.25 | a | 0.94 | 1.78 | 0.15 | g | 1.19 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.52 | 1.35 | 1.10 | 0.95 | 0.77 | 0.83 | 0.49 | 0.54 | 0.89 | 1.22 | 1.63 | 1.73 | 2.46 | |||||||||||||
S.D. | 0.66 | 0.68 | 0.57 | 0.42 | 0.29 | 0.53 | 0.40 | 0.39 | 0.42 | 0.65 | 0.72 | 0.80 | 0.68 | |||||||||||||
SKEW | 0.45 | 1.06 | 2.10 | 1.88 | 0.70 | 1.77 | 1.26 | 0.95 | 0.27 | 1.13 | 0.83 | 1.55 | 1.70 | |||||||||||||
MAX | 3.25 | 3.65 | 3.82 | 3.10 | 1.65 | 2.64 | 2.12 | 2.06 | 1.95 | 3.18 | 4.19 | 5.39 | 5.39 | |||||||||||||
MIN | 0.41 | 0.05 | 0.35 | 0.20 | 0.18 | 0.18 | 0.00 | 0.00 | 0.12 | 0.16 | 0.25 | 0.40 | 1.56 | |||||||||||||
YRS | 85 | 82 | 83 | 84 | 88 | 88 | 86 | 87 | 80 | 83 | 81 | 86 | 56 |