YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1939 | 0.68 | 0.10 | 0.47 | 0.25 | 0.70 | 0.20 | 1.48 | 3.00 | 0.00 | 1.05 | 0.70 | 0.24 | 3.00 | |||||||||||||
1940 | 0.82 | 0.75 | 0.28 | 0.40 | 0.46 | 0.40 | 0.60 | 0.92 | 0.00 | 1.18 | ----- | z | ----- | z | ----- | z | ||||||||||
1941 | 0.25 | 1.05 | 1.00 | 0.80 | 0.47 | 0.95 | 1.70 | 1.07 | 3.31 | 1.81 | 0.19 | 0.76 | 3.31 | |||||||||||||
1942 | 0.13 | 0.75 | 0.05 | 1.53 | 0.17 | 0.87 | 0.90 | 2.50 | 0.55 | 0.50 | 0.10 | 0.92 | 2.50 | |||||||||||||
1943 | 0.22 | 0.00 | 0.13 | 0.15 | 0.74 | 2.15 | 0.96 | 0.13 | 0.60 | 0.00 | 0.95 | 0.81 | 2.15 | |||||||||||||
1944 | 0.78 | 0.65 | 0.01 | 0.00 | 0.15 | 0.40 | 1.25 | 2.40 | 2.80 | 0.17 | 0.36 | 0.65 | 2.80 | |||||||||||||
1945 | 0.83 | 0.00 | 1.00 | 0.16 | 0.00 | 0.08 | 1.50 | 2.00 | 0.25 | 1.25 | 0.00 | 0.20 | 2.00 | |||||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | 0.24 | m | 0.63 | 0.90 | 0.22 | 1.31 | 1.36 | 1.25 | 0.80 | 0.47 | 0.20 | 0.95 | 0.48 | 1.36 | m | |||||||||||
1988 | 0.12 | 0.26 | 0.10 | 1.29 | 0.53 | 0.23 | 1.36 | 1.23 | 0.63 | 0.22 | 0.56 | 0.10 | 1.36 | |||||||||||||
1989 | 0.13 | 0.93 | 0.20 | 0.00 | 0.37 | 0.31 | 2.21 | 2.02 | 1.06 | 0.04 | 0.00 | 0.45 | 2.21 | |||||||||||||
1990 | 0.10 | 0.27 | 0.60 | 0.18 | 0.11 | 0.00 | 1.10 | 1.23 | 2.05 | 2.40 | ----- | z | 0.35 | ----- | z | |||||||||||
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.40 | 1.37 | 1.90 | 0.98 | 0.16 | 0.59 | 0.82 | ----- | z | |||||||
1992 | 0.74 | 0.10 | 0.26 | 0.50 | 1.30 | 0.52 | 1.16 | 3.30 | 0.43 | 0.29 | 0.23 | 0.24 | 3.30 | |||||||||||||
1993 | 0.21 | 0.77 | 0.09 | 0.23 | 0.16 | 0.50 | 2.00 | 0.45 | 0.47 | 0.41 | 0.42 | 0.20 | 2.00 | |||||||||||||
1994 | 0.20 | a | 0.25 | 0.50 | 0.41 | 0.33 | 0.21 | 0.54 | 0.45 | 0.64 | 1.04 | 0.92 | 0.49 | 1.04 | a | |||||||||||
1995 | 0.56 | 0.65 | 0.73 | 0.05 | 0.28 | 0.73 | 1.17 | 1.27 | 1.08 | 0.04 | 0.09 | 1.00 | 1.27 | |||||||||||||
1996 | 0.18 | a | 0.71 | 0.00 | 0.46 | 0.00 | 2.11 | 0.52 | 1.53 | 1.56 | 0.23 | 0.63 | 0.25 | 2.11 | a | |||||||||||
1997 | 0.29 | 0.20 | a | 0.11 | 0.27 | 0.35 | 0.47 | 0.45 | 0.67 | 0.85 | 0.98 | 0.77 | 0.97 | a | 0.98 | b | ||||||||||
1998 | 0.07 | 0.41 | 0.15 | 0.04 | 0.04 | 0.19 | 0.32 | 1.61 | 0.13 | 0.98 | a | 0.49 | 0.31 | 1.61 | a | |||||||||||
1999 | 0.24 | 0.00 | 0.17 | 0.16 | 0.65 | 0.97 | 1.82 | 0.57 | 1.26 | 0.63 | 0.00 | 0.67 | 1.82 | |||||||||||||
2000 | 0.09 | 0.40 | 0.00 | 0.16 | 0.02 | 0.41 | 0.34 | 0.82 | 0.00 | g | 0.78 | 1.30 | 0.39 | 1.30 | g | |||||||||||
2001 | 0.26 | 0.38 | e | 0.20 | 0.08 | 0.35 | 0.44 | 0.90 | 0.38 | 0.86 | 0.00 | 0.60 | 0.40 | 0.90 | e | |||||||||||
2002 | 0.08 | 0.15 | 0.50 | 0.26 | 0.14 | 0.05 | 1.65 | 0.56 | 0.09 | 0.40 | 0.12 | 0.77 | 1.65 | |||||||||||||
2003 | 0.12 | 0.60 | f | 0.72 | 0.00 | 0.01 | f | 0.31 | 0.53 | d | 0.84 | a | 0.50 | 2.70 | 0.51 | 0.00 | 2.70 | q | ||||||||
2004 | 0.40 | 0.10 | 0.69 | 1.07 | 0.18 | 0.30 | 3.90 | 1.30 | 1.90 | a | 0.52 | 1.66 | 0.18 | 3.90 | a | |||||||||||
2005 | 0.36 | 1.00 | 0.42 | 0.04 | 1.17 | 0.00 | 0.56 | a | 1.23 | 1.33 | 1.20 | 0.00 | 0.68 | 1.33 | a | |||||||||||
2006 | 0.02 | n | 0.28 | a | 0.57 | 0.04 | 0.04 | 1.38 | 0.84 | 1.57 | 1.41 | 0.57 | 0.13 | a | 0.16 | 1.57 | p | |||||||||
2007 | 0.80 | a | 0.39 | 0.28 | 0.99 | 1.02 | 0.61 | e | 1.26 | 1.51 | a | 1.22 | a | 0.03 | 0.25 | 0.92 | f | 1.51 | n | |||||||
2008 | 0.01 | d | 0.00 | 0.05 | 0.00 | 0.05 | 0.91 | 1.64 | d | 1.72 | c | 1.72 | 2.00 | a | 0.00 | 0.13 | 2.00 | l | ||||||||
2009 | 0.00 | e | 0.22 | j | 0.13 | p | 0.01 | f | 0.00 | u | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.32 | 0.41 | 0.36 | 0.35 | 0.41 | 0.60 | 1.22 | 1.34 | 1.01 | 0.75 | 0.46 | 0.47 | 2.12 | |||||||||||||
S.D. | 0.28 | 0.33 | 0.31 | 0.41 | 0.40 | 0.56 | 0.73 | 0.79 | 0.81 | 0.73 | 0.43 | 0.30 | 0.83 | |||||||||||||
SKEW | 0.83 | 0.40 | 0.66 | 1.54 | 1.05 | 1.49 | 1.69 | 0.72 | 1.12 | 1.15 | 0.97 | 0.32 | 0.54 | |||||||||||||
MAX | 0.83 | 1.05 | 1.00 | 1.53 | 1.31 | 2.15 | 3.90 | 3.30 | 3.31 | 2.70 | 1.66 | 1.00 | 3.90 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.32 | 0.13 | 0.00 | 0.00 | 0.00 | 0.00 | 0.98 | |||||||||||||
YRS | 27 | 27 | 28 | 28 | 27 | 29 | 29 | 29 | 28 | 29 | 27 | 27 | 19 |