YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1940 | ----- | z | ----- | z | ----- | z | ----- | z | 0.67 | 0.55 | 0.80 | 1.09 | 0.65 | 0.90 | 1.40 | 0.53 | ----- | z | ||||||||
1941 | 0.58 | 0.16 | 0.10 | 0.77 | 1.29 | 2.35 | 0.66 | 1.56 | 2.28 | 0.45 | 0.09 | 0.32 | 2.35 | |||||||||||||
1942 | 0.05 | 0.05 | 0.97 | 0.98 | 2.28 | 3.00 | 0.58 | 0.86 | 1.78 | 0.57 | 0.13 | ----- | z | ----- | z | |||||||||||
1943 | 0.30 | 0.70 | 0.95 | 0.37 | 1.03 | 2.55 | 1.42 | 3.52 | 1.08 | 1.76 | 0.31 | 0.03 | 3.52 | |||||||||||||
1944 | 0.25 | 0.20 | 0.50 | 0.90 | 0.86 | 3.12 | 0.95 | 0.62 | 0.50 | 0.15 | 1.04 | 0.13 | a | 3.12 | a | |||||||||||
1945 | 0.17 | 0.82 | 1.07 | u | 1.35 | 0.46 | 1.37 | q | 1.80 | 0.46 | 0.73 | 0.34 | 0.63 | 0.20 | ----- | z | ||||||||||
1946 | 0.11 | 0.71 | a | 1.10 | 1.00 | 0.30 | 1.30 | 1.27 | 0.43 | 0.98 | 2.11 | 0.44 | a | 0.63 | 2.11 | b | ||||||||||
1947 | 0.09 | 0.12 | 0.42 | 1.29 | 0.55 | 0.74 | a | 0.70 | 1.30 | 0.84 | 0.45 | 0.70 | 0.14 | 1.30 | a | |||||||||||
1948 | 0.10 | 0.49 | 1.01 | ----- | z | 0.39 | ----- | z | ----- | z | 0.68 | 0.96 | 0.35 | 0.31 | a | 0.07 | ----- | z | ||||||||
1949 | 0.98 | 0.20 | 0.50 | 0.28 | 2.17 | 1.72 | 4.35 | 0.35 | 0.29 | 0.70 | 0.23 | 0.95 | 4.35 | |||||||||||||
1950 | 0.52 | 0.03 | 0.48 | 0.65 | 0.98 | 0.52 | 4.63 | 1.58 | 1.09 | 0.92 | 0.15 | 0.40 | 4.63 | |||||||||||||
1951 | 0.24 | 0.32 | 0.47 | 0.35 | 0.64 | 1.16 | 1.08 | 1.46 | 0.53 | 1.06 | 0.76 | 1.05 | 1.46 | |||||||||||||
1952 | 0.57 | 0.34 | 0.26 | 0.35 | 0.51 | a | 2.37 | 2.80 | 0.93 | 0.51 | 0.06 | 0.31 | 0.13 | 2.80 | a | |||||||||||
1953 | 0.40 | 0.47 | 0.69 | 0.64 | 0.62 | 1.37 | 0.40 | 1.15 | 0.13 | 0.13 | 1.14 | 0.55 | 1.37 | |||||||||||||
1954 | 0.22 | 0.54 | 0.24 | 0.76 | 2.03 | 0.80 | 0.70 | 0.69 | 1.10 | 0.52 | 0.15 | 0.10 | 2.03 | |||||||||||||
1955 | 0.12 | 0.70 | 0.09 | 1.16 | 0.85 | 1.74 | 1.28 | a | 1.23 | 0.41 | 0.28 | 0.16 | 0.71 | 1.74 | a | |||||||||||
1956 | 0.14 | 0.04 | 0.53 | 1.23 | 3.45 | 0.61 | 0.70 | 2.44 | 0.24 | 0.52 | 1.17 | 0.13 | 3.45 | |||||||||||||
1957 | 0.07 | 0.24 | 0.98 | 1.28 | 1.66 | 1.04 | a | 0.82 | 1.97 | 0.58 | 0.57 | 0.13 | 0.20 | 1.97 | a | |||||||||||
1958 | 0.29 | 0.29 | 0.30 | 0.93 | 0.59 | 0.72 | 1.10 | 1.44 | 0.71 | 0.55 | 0.72 | 0.11 | 1.44 | |||||||||||||
1959 | 0.07 | a | 0.15 | 0.05 | 0.25 | 0.92 | 5.19 | 1.05 | 0.91 | 0.58 | 0.57 | 0.16 | 0.34 | 5.19 | a | |||||||||||
1960 | 0.27 | 0.32 | 0.15 | 1.15 | 0.92 | 1.46 | 0.76 | 1.96 | 0.99 | 0.84 | 1.01 | 0.17 | 1.96 | |||||||||||||
1961 | 0.04 | 0.07 | 0.16 | 0.79 | 0.90 | 0.41 | 1.80 | 3.07 | 1.76 | 0.60 | 0.27 | 0.39 | 3.07 | |||||||||||||
1962 | 0.21 | 0.38 | 0.34 | 1.10 | 1.52 | 1.94 | 1.94 | 2.81 | 0.54 | 0.67 | 0.16 | 0.05 | 2.81 | |||||||||||||
1963 | 0.03 | 0.05 | 0.38 | 0.39 | 0.65 | 1.13 | 0.74 | 0.61 | 0.92 | 0.67 | 0.50 | 0.15 | 1.13 | |||||||||||||
1964 | 0.34 | 0.13 | 0.64 | 1.28 | 0.38 | 0.73 | 0.75 | 1.76 | 1.80 | 0.22 | 0.14 | 0.20 | 1.80 | |||||||||||||
1965 | 0.22 | 0.12 | 0.40 | 1.80 | 2.25 | 2.00 | 1.16 | 2.30 | 1.90 | 0.15 | 0.74 | 0.35 | 2.30 | |||||||||||||
1966 | 0.15 | 0.43 | 0.28 | 0.75 | 0.44 | 0.77 | 1.04 | 2.50 | 0.65 | 0.98 | 0.30 | 0.25 | 2.50 | |||||||||||||
1967 | 0.47 | 0.17 | 0.26 | 0.76 | 0.39 | 1.29 | 0.33 | 0.97 | 1.70 | 1.30 | 0.00 | 0.53 | 1.70 | |||||||||||||
1968 | 0.12 | 0.05 | 0.19 | 0.92 | 1.03 | 0.47 | 0.50 | 0.58 | 1.05 | 0.96 | 0.30 | 0.41 | 1.05 | |||||||||||||
1969 | 0.47 | 0.12 | 0.19 | 0.97 | 0.63 | 0.48 | 1.10 | 0.25 | 0.44 | 1.90 | 0.22 | 0.28 | 1.90 | |||||||||||||
1970 | 0.17 | 0.16 | 1.05 | 1.04 | 0.55 | 0.61 | 0.91 | 0.33 | 0.36 | 0.87 | 0.86 | 0.07 | 1.05 | |||||||||||||
1971 | 0.26 | 0.50 | 0.22 | a | 0.59 | 1.00 | 1.50 | 1.05 | 1.11 | 2.43 | 1.18 | 0.57 | 0.20 | 2.43 | a | |||||||||||
1972 | 0.37 | 0.18 | 0.82 | 0.71 | 1.60 | 0.72 | 1.38 | 0.48 | 0.15 | 0.62 | 1.04 | 0.57 | 1.60 | |||||||||||||
1973 | 0.03 | 0.12 | 0.51 | 0.48 | 2.21 | 0.25 | 1.28 | 0.94 | 1.62 | 1.14 | 0.48 | 0.13 | 2.21 | |||||||||||||
1974 | 0.01 | 0.20 | 0.27 | 1.30 | 1.04 | 0.30 | 1.10 | 0.96 | 0.99 | 0.56 | 2.18 | 0.10 | 2.18 | |||||||||||||
1975 | 0.98 | 0.24 | 0.95 | 0.81 | 0.38 | 1.21 | 1.62 | 2.00 | 0.50 | 0.80 | 0.40 | 0.00 | 2.00 | |||||||||||||
1976 | 0.48 | 0.14 | 0.50 | 0.28 | 0.49 | 3.73 | 0.54 | 0.21 | 0.43 | 0.05 | 0.07 | 0.15 | 3.73 | |||||||||||||
1977 | 0.41 | 0.76 | 0.90 | 1.37 | 0.84 | 0.86 | 1.02 | 2.85 | 1.28 | 1.60 | 1.25 | 0.55 | 2.85 | |||||||||||||
1978 | 0.07 | 0.08 | 0.48 | 0.69 | 1.10 | 3.00 | 1.05 | 0.78 | 1.22 | 0.05 | ----- | z | 0.15 | ----- | z | |||||||||||
1979 | 0.40 | 0.53 | 0.78 | 0.99 | 0.50 | 1.40 | 1.15 | 0.43 | 0.18 | 2.03 | 0.12 | 0.09 | 2.03 | |||||||||||||
1980 | ----- | z | 0.23 | ----- | z | 0.00 | ----- | z | 1.43 | 0.72 | 1.42 | 1.12 | 0.53 | 0.07 | 0.00 | ----- | z | |||||||||
1981 | 0.07 | 0.27 | 0.30 | 0.70 | 0.80 | 2.00 | 0.78 | 1.65 | 0.14 | 0.52 | a | 0.43 | 0.42 | 2.00 | a | |||||||||||
1982 | 0.75 | 0.26 | 1.05 | 1.00 | 0.78 | 1.39 | 1.34 | 1.56 | 0.96 | 1.80 | 0.41 | 0.22 | 1.80 | |||||||||||||
1983 | 0.03 | 0.31 | 0.76 | a | 0.12 | 0.19 | 1.56 | i | 3.05 | g | 1.50 | c | 0.70 | f | 0.38 | e | 0.69 | l | 1.01 | e | ----- | z | ||||
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.60 | 1.49 | 0.64 | 2.27 | 0.06 | 0.40 | ----- | z | ||||||
1985 | 0.12 | 0.15 | 1.25 | 1.67 | 2.55 | 1.62 | 1.77 | 0.98 | 1.06 | 0.68 | 0.70 | c | 0.56 | 2.55 | c | |||||||||||
1986 | 0.28 | a | 0.55 | b | 0.04 | 1.20 | 1.68 | 1.98 | 1.75 | 1.55 | 0.92 | 0.17 | 0.77 | 0.00 | 1.98 | c | ||||||||||
1987 | 0.00 | c | ----- | z | 0.50 | d | 0.12 | 0.53 | 1.13 | 1.83 | 0.34 | 0.90 | 0.33 | 0.77 | 0.00 | a | ----- | z | ||||||||
1988 | 0.00 | b | ----- | z | 0.40 | a | 0.37 | 0.52 | 0.55 | 0.94 | 1.42 | 1.09 | 0.30 | 0.80 | d | 0.00 | i | ----- | z | |||||||
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.26 | j | 0.09 | i | ----- | z |
2002 | 0.01 | i | 0.12 | h | 0.00 | k | 0.56 | f | 1.22 | r | 0.28 | i | 3.58 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.26 | 0.29 | 0.52 | 0.82 | 1.02 | 1.45 | 1.23 | 1.30 | 0.91 | 0.76 | 0.53 | 0.30 | 2.35 | |||||||||||||
S.D. | 0.24 | 0.22 | 0.33 | 0.42 | 0.71 | 1.01 | 0.84 | 0.79 | 0.55 | 0.57 | 0.44 | 0.27 | 0.96 | |||||||||||||
SKEW | 1.36 | 0.91 | 0.50 | 0.05 | 1.44 | 1.53 | 2.59 | 0.84 | 0.85 | 1.10 | 1.37 | 1.20 | 1.15 | |||||||||||||
MAX | 0.98 | 0.82 | 1.25 | 1.80 | 3.45 | 5.19 | 4.63 | 3.52 | 2.43 | 2.27 | 2.18 | 1.05 | 5.19 | |||||||||||||
MIN | 0.00 | 0.03 | 0.04 | 0.00 | 0.19 | 0.25 | 0.33 | 0.21 | 0.13 | 0.05 | 0.00 | 0.00 | 1.05 | |||||||||||||
YRS | 46 | 45 | 45 | 46 | 47 | 45 | 47 | 49 | 48 | 49 | 47 | 47 | 39 |