YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1931 | 1.60 | a | 1.94 | a | 1.71 | b | 1.05 | 0.70 | a | 1.08 | 0.94 | a | 0.00 | b | 2.70 | a | 1.32 | a | 1.30 | 1.77 | c | 2.70 | ||||
1932 | 1.62 | d | 1.94 | b | 1.67 | 1.47 | 0.27 | 0.38 | 1.85 | 0.24 | a | 0.18 | g | 1.28 | a | 2.17 | a | 1.94 | d | 2.17 | ||||||
1933 | 1.73 | b | 1.25 | a | 1.28 | d | 0.45 | c | 0.62 | b | 0.89 | 0.57 | d | 0.56 | f | 1.17 | e | 1.28 | f | 2.10 | 2.00 | b | 2.10 | |||
1934 | 1.44 | c | 0.83 | d | 0.98 | 0.72 | 1.47 | 0.47 | a | 1.52 | b | 0.26 | c | 1.08 | d | 1.24 | a | 2.90 | 1.30 | 2.90 | ||||||
1935 | 2.25 | e | 1.43 | b | 1.23 | c | 0.50 | a | 0.51 | 0.72 | a | 1.00 | a | 0.52 | a | 1.80 | 1.07 | a | 1.12 | a | 0.86 | a | 2.25 | |||
1936 | 1.81 | a | 1.59 | 1.00 | b | 0.71 | 0.71 | 1.03 | 0.26 | b | 0.38 | a | 0.78 | b | 0.50 | a | 0.32 | c | 2.58 | a | 2.58 | |||||
1937 | 0.85 | a | 1.90 | 0.80 | b | 1.19 | a | 0.78 | a | 0.78 | 0.00 | 0.53 | 0.87 | 1.62 | c | 2.10 | a | 1.61 | 2.10 | |||||||
1938 | 1.16 | d | 1.06 | d | 1.05 | a | 2.31 | c | 0.30 | b | 0.32 | d | 0.53 | e | 0.15 | a | 0.85 | d | 1.13 | h | 1.59 | 1.36 | a | 2.31 | ||
1939 | 1.31 | 1.74 | a | 0.73 | a | 0.56 | 0.40 | 0.71 | a | 0.75 | 0.18 | a | 0.80 | b | 1.36 | a | 1.11 | b | 1.52 | a | 1.74 | |||||
1940 | 1.23 | 1.27 | 1.56 | 0.63 | 1.11 | 0.24 | 0.41 | a | 1.17 | a | 0.36 | e | 1.96 | e | 0.91 | c | 1.09 | 1.96 | ||||||||
1941 | 0.94 | a | 0.70 | a | 0.40 | 0.71 | 1.15 | a | 0.48 | 0.11 | a | 0.58 | 1.29 | 1.43 | 1.25 | 1.51 | b | 1.51 | ||||||||
1942 | 0.78 | 0.75 | 1.08 | a | 0.84 | a | 1.28 | 1.61 | a | 0.98 | 0.65 | 0.30 | 1.96 | 1.96 | 1.12 | 1.96 | ||||||||||
1943 | 1.38 | a | 1.20 | 1.43 | 1.03 | a | 0.72 | a | 0.92 | 0.53 | 0.36 | 0.66 | 1.38 | 0.85 | a | 1.73 | a | 1.73 | ||||||||
1944 | 0.89 | a | 0.95 | 0.70 | 0.98 | 1.40 | a | 0.71 | a | 0.53 | 0.29 | a | 2.05 | 1.07 | 2.15 | b | 1.35 | b | 2.15 | |||||||
1945 | 2.42 | 1.95 | 1.30 | 1.24 | 0.83 | 0.32 | 0.26 | a | 1.28 | 1.67 | d | 4.15 | b | 1.28 | b | 1.18 | c | 4.15 | ||||||||
1946 | 1.62 | b | 1.14 | 1.04 | 0.98 | 0.19 | a | 1.19 | 0.45 | a | 0.20 | 0.57 | a | 2.55 | a | 1.56 | b | 1.87 | a | 2.55 | ||||||
1947 | 1.39 | b | 1.34 | a | 1.04 | a | 0.99 | 0.38 | c | 0.81 | 1.37 | 0.60 | c | 1.04 | 2.28 | 1.27 | c | 1.28 | a | 2.28 | ||||||
1948 | 1.02 | b | 1.95 | 1.10 | 0.58 | a | 0.98 | c | 0.63 | 0.66 | 0.62 | 0.99 | 1.67 | 1.63 | 1.26 | 1.95 | ||||||||||
1949 | 0.67 | 3.32 | 0.87 | 0.93 | 0.43 | 0.42 | 0.55 | 0.35 | 2.20 | 1.24 | 1.73 | 2.54 | 3.32 | |||||||||||||
1950 | 1.00 | 1.49 | 1.41 | 1.40 | 0.70 | 0.84 | 0.40 | 1.42 | 1.90 | 1.26 | 0.96 | 1.06 | 1.90 | |||||||||||||
1951 | 1.65 | 2.42 | 1.76 | 0.58 | 2.20 | 0.56 | 0.04 | 0.64 | 1.40 | 1.96 | 1.35 | 1.54 | c | 2.42 | ||||||||||||
1952 | 1.30 | 1.54 | 1.08 | 0.70 | 0.28 | 0.82 | d | 0.50 | n | 0.67 | 0.71 | 0.55 | a | 0.58 | 1.40 | 1.54 | ||||||||||
1953 | 1.33 | 0.85 | 1.18 | 0.73 | 0.78 | 0.86 | 0.66 | 0.71 | 1.35 | 1.51 | 1.65 | 2.10 | 2.10 | |||||||||||||
1954 | 2.30 | 1.20 | 1.08 | 0.81 | 0.58 | 0.72 | 0.81 | 1.18 | 0.61 | 1.27 | 2.16 | 1.26 | 2.30 | |||||||||||||
1955 | 1.14 | 1.40 | 1.15 | 1.03 | 1.04 | 0.38 | 0.87 | 0.23 | 0.35 | 1.75 | 2.10 | 2.20 | 2.20 | |||||||||||||
1956 | 1.64 | 1.90 | 0.98 | 0.33 | 0.38 | 0.97 | 0.28 | 0.55 | 0.74 | 1.80 | 0.80 | 1.91 | 1.91 | |||||||||||||
1957 | 1.18 | A | 2.08 | 1.16 | 0.60 | 0.52 | A | 2.51 | 0.47 | h | 0.84 | A | 0.12 | A | 1.21 | 1.20 | 2.08 | A | 2.51 | |||||||
1958 | 1.13 | 1.36 | 0.53 | 1.08 | 0.58 | 0.65 | 0.67 | 0.51 | 0.81 | A | 2.14 | 1.68 | 1.40 | A | 2.14 | |||||||||||
1959 | 1.67 | A | 1.20 | 2.00 | A | 1.30 | 0.90 | A | 0.60 | c | 0.45 | 0.94 | A | 1.42 | 1.43 | a | 4.98 | A | 3.25 | A | 1.43 | |||||
1960 | 1.96 | 1.63 | 1.53 | 1.67 | 0.87 | 0.52 | 0.00 | 0.83 | 0.96 | 2.14 | 2.05 | a | 2.15 | 2.15 | ||||||||||||
1961 | 1.37 | 1.77 | 1.61 | 0.72 | 0.80 | 0.23 | 0.52 | 1.06 | 1.08 | 1.30 | 1.29 | 1.36 | 1.77 | |||||||||||||
1962 | 2.42 | 0.57 | 0.73 | 1.77 | 0.93 | 0.90 | 0.22 | 0.89 | 1.47 | 1.20 | 2.28 | 1.41 | 2.42 | |||||||||||||
1963 | 1.13 | 1.64 | 0.79 | 0.71 | 1.50 | 0.63 | 0.62 | 0.84 | 1.37 | 1.89 | A | 3.59 | 1.54 | A | 3.59 | |||||||||||
1964 | 1.95 | A | 0.97 | A | 1.31 | A | 1.53 | A | 0.83 | A | 0.59 | A | 0.28 | 0.68 | 1.20 | 1.00 | 2.43 | 1.10 | 2.43 | |||||||
1965 | 1.85 | 9999.00 | z | 1.12 | 1.38 | 9999.00 | z | 9999.00 | z | 0.15 | 0.51 | 0.67 | 1.45 | 0.98 | 1.24 | 1.85 | ||||||||||
1966 | 1.38 | 0.69 | 1.29 | 0.93 | 1.21 | 0.55 | 0.89 | 0.51 | 0.37 | 1.63 | 1.39 | 1.36 | 1.63 | |||||||||||||
1967 | 1.14 | 1.69 | 1.80 | 0.47 | 0.72 | 1.18 | 0.65 | 0.46 | 1.42 | 1.80 | 1.50 | 2.20 | 2.20 | |||||||||||||
1968 | 2.38 | 1.31 | 1.21 | 0.75 | 1.02 | 1.89 | 0.63 | 0.80 | 1.66 | 1.30 | 1.12 | 1.43 | 2.38 | |||||||||||||
1969 | 1.38 | 0.92 | 0.91 | 0.94 | 1.12 | 0.43 | 0.47 | 0.40 | 1.51 | 0.40 | 1.78 | 1.64 | 1.78 | |||||||||||||
1970 | 1.66 | 1.22 | 0.99 | 2.13 | 0.35 | 0.43 | 0.67 | 0.43 | 1.27 | 1.55 | 1.20 | 2.03 | 2.13 | |||||||||||||
1971 | 3.56 | 1.31 | 1.32 | 0.82 | 0.94 | 0.89 | 0.62 | 0.47 | 0.99 | 1.42 | 1.82 | 1.69 | 3.56 | |||||||||||||
1972 | 2.15 | 1.64 | 1.10 | 1.05 | 0.48 | 1.29 | 1.57 | 0.56 | 2.13 | 0.94 | 1.46 | 2.89 | 2.89 | |||||||||||||
1973 | 1.36 | 0.71 | 0.99 | 1.65 | 0.89 | 0.62 | 0.09 | 0.34 | 0.59 | 1.29 | 1.30 | 1.59 | 1.65 | |||||||||||||
1974 | 1.87 | 1.45 | 2.10 | 0.58 | 0.96 | 0.76 | 0.90 | 0.19 | 1.01 | 0.45 | 1.74 | 1.60 | 2.10 | |||||||||||||
1975 | 2.18 | 1.19 | 0.90 | 0.93 | 1.00 | 0.44 | 0.23 | 1.65 | 0.21 | 2.39 | 2.60 | 3.03 | 3.03 | |||||||||||||
1976 | 1.85 | 1.23 | 1.46 | 0.92 | 0.50 | 1.11 | 0.38 | 0.93 | 0.83 | 0.80 | 1.07 | 1.59 | 1.85 | |||||||||||||
1977 | 1.13 | 0.86 | 1.00 | 0.72 | 0.55 | 0.99 | 0.41 | 1.17 | 0.86 | 0.83 | 1.50 | 4.25 | 4.25 | |||||||||||||
1978 | 1.00 | 1.08 | 1.09 | 0.56 | 0.93 | 1.49 | 0.87 | 0.75 | 0.93 | 0.53 | 2.07 | 1.27 | 2.07 | |||||||||||||
1979 | 0.77 | 1.71 | 0.72 | 1.45 | 0.69 | 0.53 | 0.56 | 0.40 | 0.64 | 1.44 | 0.87 | 2.16 | 2.16 | |||||||||||||
1980 | 1.82 | 2.01 | 0.79 | 0.92 | 1.06 | 1.21 | 0.57 | 0.75 | 1.59 | 0.45 | 1.51 | 1.36 | 2.01 | |||||||||||||
1981 | 0.79 | 2.02 | 0.90 | 1.01 | 0.62 | 1.82 | 0.45 | 0.12 | 1.48 | 9999.00 | z | 1.58 | 1.58 | 2.02 | ||||||||||||
1982 | 2.14 | 2.05 | 1.31 | 1.65 | 0.42 | 0.35 | 1.17 | 0.95 | 0.74 | 1.68 | 0.88 | 1.85 | 2.14 | |||||||||||||
1983 | 3.13 | 0.76 | 1.98 | 0.41 | 0.52 | 0.82 | 1.40 | 0.39 | 0.91 | 0.69 | 2.25 | 1.30 | 3.13 | |||||||||||||
1984 | 3.01 | 1.00 | 0.66 | 0.55 | 1.77 | 0.72 | 0.03 | 1.51 | 1.57 | 1.38 | 1.86 | 2.06 | 3.01 | |||||||||||||
1985 | 0.68 | 1.10 | 0.80 | 0.89 | 0.74 | 1.68 | 0.00 | 0.40 | 1.74 | 2.03 | 1.62 | 0.50 | 2.03 | |||||||||||||
1986 | 2.28 | 3.54 | 1.20 | 1.16 | 0.90 | 0.32 | 1.03 | 0.28 | 1.06 | 1.17 | 3.12 | 1.45 | 3.54 | |||||||||||||
1987 | 1.12 | 1.73 | 1.80 | 0.88 | 1.25 | 1.16 | 1.01 | 0.22 | 1.10 | 0.09 | 1.21 | 1.91 | 1.91 | |||||||||||||
1988 | 1.27 | 0.74 | 1.74 | 1.54 | 0.71 | 0.50 | 0.74 | 0.33 | 1.98 | 2.74 | 1.85 | 1.40 | 2.74 | |||||||||||||
1989 | 0.97 | 1.20 | 0.60 | 1.55 | 1.27 | 0.73 | 0.41 | 0.92 | 0.09 | 1.29 | 4.70 | 1.93 | 4.70 | |||||||||||||
1990 | 1.20 | 1.75 | 1.40 | 0.72 | 0.37 | 1.20 | 0.20 | 1.67 | 0.59 | 2.58 | 3.43 | 1.54 | a | 3.43 | ||||||||||||
1991 | 1.50 | 1.50 | 1.17 | 1.90 | 0.65 | 0.58 | 0.28 | 0.60 | 0.58 | 0.74 | 1.65 | 1.59 | 1.90 | |||||||||||||
1992 | 1.43 | 1.49 | 0.23 | 1.24 | 0.81 | 1.10 | 1.23 | 0.90 | 1.45 | 0.63 | 1.73 | 1.00 | a | 1.73 | ||||||||||||
1993 | 1.80 | 0.10 | 1.80 | 0.92 | 0.85 | 1.43 | 0.67 | 0.26 | 0.36 | 1.33 | 0.82 | 2.98 | 2.98 | |||||||||||||
1994 | 0.87 | 1.39 | 1.20 | 0.53 | 0.48 | 0.70 | 0.57 | 0.14 | 0.75 | 1.71 | 1.78 | 1.89 | 1.89 | |||||||||||||
1995 | 1.33 | 2.59 | 1.13 | 0.73 | 0.58 | 0.58 | 9999.00 | z | 9999.00 | z | 0.71 | 1.40 | 2.88 | 1.31 | 2.88 | |||||||||||
1996 | 1.31 | 1.82 | 0.65 | 1.63 | 1.42 | 0.15 | 0.38 | 0.50 | 0.71 | 1.33 | 2.69 | 1.61 | 2.69 | |||||||||||||
1997 | 2.48 | 1.38 | 2.70 | 9999.00 | z | 1.45 | 1.35 | 1.10 | 9999.00 | z | 1.87 | 2.10 | 1.25 | 1.63 | 2.70 | |||||||||||
1998 | 1.00 | a | 1.24 | 1.07 | 1.10 | 1.00 | 0.33 | 0.27 | 0.10 | 0.57 | 1.24 | 1.93 | 2.69 | a | 2.69 | |||||||||||
1999 | 1.56 | 1.55 | 1.30 | 0.70 | 0.98 | 0.60 | 0.63 | 0.77 | 0.59 | 1.30 | 2.10 | 1.84 | 2.10 | |||||||||||||
2000 | 1.20 | 1.03 | 1.25 | 1.00 | 0.86 | 1.85 | 0.93 | 0.38 | 1.25 | 1.00 | o | 9999.00 | z | 1.00 | 1.85 | |||||||||||
2001 | 1.21 | 0.87 | 0.98 | 0.57 | 1.37 | 1.20 | 0.80 | 1.32 | 0.44 | 1.28 | 1.79 | 3.26 | 3.26 | |||||||||||||
2002 | 1.40 | 1.77 | 1.87 | 1.38 | 0.43 | 1.34 | 0.66 | 0.87 | 0.54 | 0.57 | 1.07 | 1.71 | 1.87 | |||||||||||||
2003 | 1.67 | 0.93 | 2.25 | 0.81 | 1.03 | 0.31 | 0.04 | 0.45 | 0.37 | 2.85 | 2.86 | 1.20 | 2.86 | |||||||||||||
2004 | 1.10 | 0.52 | 1.00 | 0.22 | 0.66 | 1.31 | 0.47 | 2.24 | 1.64 | 0.85 | 2.15 | 1.18 | 2.24 | |||||||||||||
2005 | 1.70 | 0.72 | 1.36 | 1.30 | 1.10 | 0.45 | 0.66 | 0.56 | 2.40 | 1.66 | 1.34 | 1.10 | 2.40 | |||||||||||||
2006 | 2.20 | 1.38 | 0.97 | 1.25 | 0.34 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 2.20 | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.54 | 1.41 | 1.20 | 1.00 | 0.83 | 0.84 | 0.61 | 0.65 | 1.07 | 1.43 | 1.77 | 1.71 | 2.44 | |||||||||||||
S.D. | 0.58 | 0.58 | 0.44 | 0.43 | 0.38 | 0.46 | 0.40 | 0.42 | 0.57 | 0.66 | 0.83 | 0.63 | 0.69 | |||||||||||||
SKEW | 1.07 | 1.03 | 0.76 | 0.81 | 0.85 | 1.12 | 0.77 | 1.25 | 0.60 | 1.02 | 1.57 | 1.48 | 1.19 | |||||||||||||
MAX | 3.56 | 3.54 | 2.70 | 2.31 | 2.20 | 2.51 | 1.85 | 2.24 | 2.70 | 4.15 | 4.98 | 4.25 | 4.70 | |||||||||||||
MIN | 0.67 | 0.10 | 0.23 | 0.22 | 0.19 | 0.15 | 0.00 | 0.00 | 0.09 | 0.09 | 0.32 | 0.50 | 1.43 | |||||||||||||
NO YRS | 76 | 75 | 76 | 75 | 75 | 74 | 72 | 72 | 74 | 71 | 74 | 75 | 52 |