YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1926 | 0.34 | 0.37 | 0.60 | 0.05 | 0.44 | 1.40 | 1.02 | 1.62 | 1.18 | 0.59 | 0.50 | 0.24 | 1.62 | |||||||||||||
1927 | 0.40 | 0.69 | 0.00 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.40 | 0.48 | ----- | z | ||||
1928 | 0.37 | 0.01 | 0.31 | 0.70 | 0.36 | 1.03 | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.84 | 0.27 | 0.82 | 0.19 | ----- | z | ||||
1958 | 0.24 | 0.14 | 0.19 | 0.56 | 0.63 | 1.09 | 1.08 | 2.46 | 0.82 | 0.71 | 0.92 | 0.35 | 2.46 | |||||||||||||
1959 | 0.19 | 0.11 | 0.07 | 0.27 | 1.25 | 1.06 | 0.92 | 1.91 | 1.13 | 0.92 | 0.30 | 0.92 | 1.91 | |||||||||||||
1960 | 0.24 | 0.18 | 0.11 | 1.44 | 1.27 | 0.54 | 1.42 | 0.30 | 0.22 | 0.51 | 0.86 | 0.33 | 1.44 | |||||||||||||
1961 | 0.26 | 0.21 | 0.80 | 1.16 | 0.64 | 0.50 | 0.61 | 0.75 | 2.11 | 0.76 | 0.39 | 0.25 | 2.11 | |||||||||||||
1962 | 0.19 | 0.56 | 0.27 | 1.34 | 0.82 | 0.67 | 1.32 | 0.83 | 0.86 | 0.17 | 0.00 | c | ----- | z | ----- | z | ||||||||||
1963 | 0.13 | 0.35 | 0.90 | 1.75 | 1.34 | 0.71 | 1.04 | 1.01 | 1.65 | 0.66 | 0.75 | b | 1.00 | 1.75 | b | |||||||||||
1964 | 0.43 | 0.32 | 0.42 | 0.83 | 0.80 | 2.20 | 1.30 | 1.08 | 1.03 | 0.43 | 0.49 | 0.46 | 2.20 | |||||||||||||
1965 | 0.13 | 1.04 | 0.73 | 0.65 | 1.00 | 0.73 | 0.77 | 0.61 | ----- | z | ----- | z | 1.20 | e | 0.75 | c | ----- | z | ||||||||
1966 | 0.20 | 0.38 | 3.54 | 0.60 | 0.42 | 1.00 | 1.48 | 0.62 | 0.52 | 0.77 | 0.20 | 0.60 | 3.54 | |||||||||||||
1967 | 0.33 | 0.14 | 0.24 | 1.40 | 0.52 | 0.65 | 1.13 | 0.63 | 1.65 | 0.75 | 0.27 | 0.20 | 1.65 | |||||||||||||
1968 | 0.16 | 0.09 | 0.43 | 1.06 | 1.67 | 1.94 | 0.55 | 0.98 | 0.91 | 1.06 | 0.63 | 0.99 | 1.94 | |||||||||||||
1969 | 1.44 | 0.08 | 0.12 | 0.68 | 1.35 | 0.54 | 1.15 | 1.40 | 0.62 | 0.51 | 0.70 | 0.88 | 1.44 | |||||||||||||
1970 | 0.33 | 0.37 | 0.46 | 0.89 | 0.72 | 1.45 | 0.63 | 1.01 | 1.27 | 1.82 | 0.86 | 0.37 | 1.82 | |||||||||||||
1971 | 0.18 | 1.06 | 2.93 | 0.31 | 1.12 | 5.28 | 1.00 | 0.66 | 0.78 | 1.45 | 0.73 | 0.56 | 5.28 | |||||||||||||
1972 | 0.27 | 0.51 | 0.61 | 1.53 | 1.96 | 1.24 | 0.58 | 3.75 | 1.90 | 0.43 | 0.22 | d | 0.74 | 3.75 | d | |||||||||||
1973 | 0.28 | 0.13 | 0.25 | 0.26 | 2.04 | 0.86 | 2.27 | 2.55 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||||
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.03 | 0.91 | 2.15 | 1.07 | 0.88 | 0.95 | f | 0.20 | m | ----- | z | |||||
1976 | 0.45 | e | 0.29 | n | ----- | z | 1.05 | 0.60 | 1.38 | 0.41 | 0.53 | ----- | z | 0.41 | ----- | z | ----- | z | ----- | z | ||||||
1977 | ----- | z | ----- | z | 1.10 | a | 0.78 | 0.56 | 1.78 | 1.22 | 1.54 | 2.15 | 3.00 | 0.89 | c | 0.70 | ----- | z | ||||||||
1978 | 0.23 | 0.13 | ----- | z | ----- | z | 1.33 | 1.07 | 1.16 | 1.52 | 1.50 | 0.21 | 0.65 | 0.51 | a | ----- | z | |||||||||
1979 | 0.26 | 0.80 | g | 3.87 | n | 0.49 | ----- | z | 0.85 | 0.89 | 1.34 | 1.05 | 1.07 | 0.39 | 0.15 | ----- | z | |||||||||
1980 | 0.41 | 0.22 | b | 0.48 | 0.62 | 0.67 | 0.45 | 0.71 | 3.60 | 1.07 | c | 0.46 | b | 0.04 | m | 0.24 | 3.60 | t | ||||||||
1981 | 0.08 | 1.70 | a | 0.32 | 0.69 | 0.60 | 1.80 | l | 0.45 | 1.60 | ----- | z | 1.20 | 0.67 | 0.49 | h | ----- | z | ||||||||
1982 | 1.20 | s | 0.07 | e | ----- | z | ----- | z | 1.90 | h | 0.35 | d | 3.05 | a | ----- | z | 1.05 | ----- | z | 0.55 | l | 1.04 | m | ----- | z | |
1983 | 0.47 | r | 0.36 | c | 0.68 | d | 1.31 | j | 0.59 | a | 0.85 | b | 2.00 | 1.47 | a | 1.00 | 1.70 | d | 1.70 | n | 0.41 | q | ----- | z | ||
1984 | 0.16 | g | 0.32 | c | 0.37 | g | 0.80 | d | 0.70 | a | 1.50 | 0.69 | 1.40 | 0.52 | 1.60 | j | 0.57 | b | 1.54 | b | ----- | z | ||||
1985 | 0.28 | j | 0.22 | y | 0.35 | b | 0.82 | b | 1.50 | a | 1.22 | 1.15 | 0.80 | 1.57 | 0.91 | j | 0.95 | f | 0.42 | d | ----- | z | ||||
1986 | 0.50 | g | 0.36 | a | 0.30 | a | 1.95 | c | 1.32 | 1.60 | 1.39 | 0.67 | c | 0.94 | 0.85 | c | ----- | z | ----- | z | ----- | z | ||||
1987 | 0.00 | h | 0.10 | e | 0.49 | b | 0.32 | 2.00 | 1.90 | c | 1.40 | 0.67 | a | 1.15 | e | 0.99 | 0.75 | h | 0.25 | j | ----- | z | ||||
1988 | 0.45 | l | 0.18 | b | 1.15 | c | 0.36 | c | 1.17 | 0.90 | 0.89 | 2.50 | 1.55 | b | 0.44 | m | 1.27 | e | 0.83 | s | ----- | z | ||||
1989 | 0.50 | f | 0.12 | 0.52 | d | 0.75 | c | 1.00 | a | 0.92 | a | 0.32 | a | 1.15 | a | 1.45 | b | 0.34 | b | 0.17 | i | 0.11 | l | ----- | z | |
1990 | 0.28 | k | 0.05 | f | 0.80 | g | 0.67 | i | 0.33 | 1.10 | 0.91 | e | 0.55 | c | 1.32 | 1.49 | b | 0.14 | j | 0.56 | l | ----- | z | |||
1991 | 0.23 | j | 0.32 | g | 1.06 | h | 0.37 | a | 0.28 | j | 0.52 | e | 0.73 | g | 0.77 | f | 1.05 | e | 0.58 | j | 0.42 | m | 0.51 | k | ----- | z |
1992 | 0.20 | p | 0.36 | d | 0.12 | u | 0.86 | a | 1.65 | a | 0.88 | 1.80 | 0.83 | 0.85 | 0.68 | b | 0.45 | e | 0.24 | d | ----- | z | ||||
1993 | 0.25 | k | 0.12 | b | 0.15 | d | 0.67 | b | 0.70 | a | 0.46 | 2.15 | 0.61 | 0.55 | 0.35 | d | 0.59 | b | 0.27 | f | ----- | z | ||||
1994 | 0.19 | f | 0.10 | d | 0.40 | d | 0.93 | c | 0.55 | 1.10 | 0.91 | 0.43 | 1.88 | 0.54 | b | 0.64 | e | 0.14 | b | ----- | z | |||||
1995 | 0.32 | g | 0.34 | c | 0.38 | e | 0.50 | d | 0.72 | a | 0.98 | 1.33 | 1.37 | 1.25 | 2.40 | f | 0.41 | d | 0.77 | j | ----- | z | ||||
1996 | 1.42 | l | 0.77 | a | 0.30 | b | 0.67 | a | 1.19 | 1.17 | 1.10 | 1.42 | 1.00 | c | 0.99 | d | 2.64 | g | 0.85 | n | ----- | z | ||||
1997 | 1.44 | q | 0.35 | g | 0.80 | l | 0.45 | h | 0.84 | a | 1.79 | 0.41 | 0.77 | 0.53 | 1.54 | a | 1.33 | e | 0.14 | c | ----- | z | ||||
1998 | 0.54 | k | 2.21 | b | 0.94 | a | 0.69 | 1.18 | 0.85 | 0.47 | 0.87 | 1.33 | 1.95 | e | 0.96 | b | 0.38 | f | ----- | z | ||||||
1999 | 0.29 | j | 0.27 | g | 0.74 | d | 0.84 | d | 0.91 | a | 0.61 | 3.80 | 0.83 | 2.71 | 0.94 | d | 0.84 | a | 0.15 | a | ----- | z | ||||
2000 | 0.19 | k | 0.22 | f | 0.82 | a | 0.65 | b | 1.44 | b | 0.74 | 0.85 | 1.42 | 0.81 | 0.43 | b | 1.00 | b | 0.37 | k | ----- | z | ||||
2001 | 0.23 | i | 1.06 | j | 0.26 | j | 2.42 | e | 1.00 | a | 0.79 | 0.89 | 1.13 | b | 0.38 | 0.60 | e | 0.99 | e | 0.66 | o | ----- | z | |||
2002 | 0.07 | h | 0.31 | c | 1.06 | e | 0.46 | c | 0.41 | a | 1.20 | 1.82 | 1.19 | 0.89 | 0.81 | d | 0.21 | g | 0.22 | d | ----- | z | ||||
2003 | 0.13 | f | 0.15 | g | 0.59 | e | 0.64 | 0.74 | 0.92 | 1.02 | 0.97 | 1.70 | 0.70 | 0.51 | 0.38 | a | 1.70 | s | ||||||||
2004 | 0.56 | e | 0.30 | a | 0.48 | 0.77 | 1.33 | 0.82 | 0.63 | 1.24 | 1.11 | 0.82 | 0.17 | g | ----- | z | ----- | z | ||||||||
2005 | ----- | z | ----- | z | ----- | z | ----- | z | 0.74 | 1.56 | l | 0.60 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.32 | 0.40 | 0.65 | 0.82 | 0.98 | 1.12 | 1.14 | 1.26 | 1.16 | 0.87 | 0.66 | 0.49 | 2.35 | |||||||||||||
S.D. | 0.26 | 0.45 | 0.69 | 0.48 | 0.45 | 0.75 | 0.67 | 0.76 | 0.51 | 0.56 | 0.31 | 0.34 | 1.10 | |||||||||||||
SKEW | 3.32 | 2.51 | 2.98 | 1.33 | 0.66 | 3.74 | 1.93 | 1.62 | 0.77 | 1.70 | 0.18 | 1.24 | 1.61 | |||||||||||||
MAX | 1.44 | 2.21 | 3.54 | 2.42 | 2.04 | 5.28 | 3.80 | 3.75 | 2.71 | 3.00 | 1.33 | 1.54 | 5.28 | |||||||||||||
MIN | 0.08 | 0.01 | 0.07 | 0.05 | 0.33 | 0.35 | 0.32 | 0.30 | 0.22 | 0.17 | 0.00 | 0.14 | 1.44 | |||||||||||||
YRS | 25 | 37 | 37 | 42 | 45 | 47 | 47 | 45 | 44 | 40 | 34 | 29 | 14 |