YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.85 | y | 0.80 | y | 1.25 | ----- | z | ----- | z | ----- | z | |
1930 | 0.10 | g | 0.45 | f | ----- | z | 0.17 | w | 0.69 | u | 1.10 | s | 0.32 | v | 1.05 | t | 0.45 | w | 0.87 | v | 0.48 | u | 0.00 | w | ----- | z |
1931 | ----- | z | 0.10 | x | ----- | z | 0.29 | y | 0.50 | w | 1.00 | u | 1.04 | w | 2.50 | x | 0.50 | v | 0.60 | y | 0.40 | c | ----- | z | ----- | z |
1932 | 0.35 | x | 0.08 | x | 0.20 | o | 0.93 | t | 0.98 | 1.88 | r | 0.48 | 0.55 | ----- | z | 1.65 | 0.27 | 0.00 | ----- | z | ||||||
1933 | 0.32 | 0.10 | 0.35 | 1.00 | 1.59 | 0.57 | 0.45 | 0.08 | 0.35 | 0.45 | ----- | z | 0.32 | ----- | z | |||||||||||
1934 | 0.14 | 0.00 | 0.45 | 0.05 | 0.05 | 1.06 | 0.45 | 1.20 | 0.20 | 1.16 | 0.04 | 0.06 | 1.20 | |||||||||||||
1935 | 0.11 | 0.15 | a | 0.52 | 1.90 | 0.91 | 2.34 | 2.48 | 0.60 | 0.46 | 0.05 | 0.30 | a | 0.30 | 2.48 | b | ||||||||||
1936 | 0.20 | 0.30 | 0.50 | 0.20 | 0.00 | 0.38 | 0.23 | 1.75 | 0.78 | 0.20 | 0.08 | 0.00 | 1.75 | |||||||||||||
1937 | 0.34 | w | 0.45 | s | 0.15 | 0.62 | 0.95 | 3.70 | 1.20 | 0.25 | 0.53 | 0.38 | 0.44 | 0.16 | s | ----- | z | |||||||||
1938 | 0.05 | 0.43 | 0.70 | 0.53 | 0.95 | t | 0.40 | 1.28 | a | 0.20 | d | 0.15 | 0.20 | o | 0.40 | ----- | z | ----- | z | |||||||
1939 | 0.20 | 0.30 | a | ----- | z | 0.52 | 0.81 | 1.05 | 1.12 | w | 0.99 | ----- | z | 0.92 | ----- | z | 0.20 | x | ----- | z | ||||||
1940 | 0.00 | x | 0.15 | q | 0.65 | y | 1.63 | a | 1.03 | 0.32 | a | 1.54 | 0.69 | 0.29 | 0.95 | 0.22 | 0.25 | ----- | z | |||||||
1941 | 0.50 | 0.10 | 0.45 | 0.54 | 0.68 | 2.49 | 0.43 | 1.20 | 1.48 | a | 1.09 | x | 0.18 | 0.06 | 2.49 | y | ||||||||||
1942 | 0.00 | 0.06 | 1.10 | 0.53 | w | 1.03 | 0.59 | 1.25 | 1.21 | 0.70 | s | 0.16 | 0.10 | 0.20 | ----- | z | ||||||||||
1943 | 0.13 | 0.46 | ----- | z | 0.97 | 0.93 | 0.85 | 1.71 | 0.53 | ----- | z | 0.10 | 0.28 | 0.08 | ----- | z | ||||||||||
1944 | 0.06 | 0.14 | 0.24 | 0.18 | 1.94 | 3.50 | 0.40 | 1.14 | 0.39 | 0.30 | 0.70 | a | 0.00 | 3.50 | a | |||||||||||
1945 | 0.07 | 0.13 | 0.35 | a | 0.30 | 0.60 | 0.65 | s | 0.95 | 0.40 | 0.76 | 0.13 | 0.27 | b | 0.50 | 0.95 | v | |||||||||
1946 | 0.06 | 0.60 | 0.50 | 0.52 | 0.49 | 1.35 | 0.28 | 1.65 | 1.34 | 0.73 | 0.02 | 0.40 | 1.65 | |||||||||||||
1947 | 0.19 | 0.27 | 0.07 | 0.28 | 0.85 | 1.55 | 0.72 | 1.64 | 0.87 | 1.60 | 0.22 | q | 0.25 | 1.64 | q | |||||||||||
1948 | 0.15 | 0.50 | l | 0.18 | 2.16 | 0.35 | 0.71 | v | 1.40 | a | 0.56 | 0.20 | 0.95 | 0.32 | 0.07 | ----- | z | |||||||||
1949 | 0.32 | 0.12 | 0.15 | 0.27 | 0.55 | 1.29 | 1.44 | 0.60 | 0.12 | 1.62 | 0.20 | 0.46 | 1.62 | |||||||||||||
1950 | 0.30 | 0.10 | 1.20 | 0.50 | 0.95 | 0.97 | 0.44 | 0.60 | 2.00 | 0.40 | 0.60 | 0.18 | 2.00 | |||||||||||||
1951 | 0.25 | 0.20 | a | 0.53 | 0.10 | 0.40 | 0.90 | 0.13 | 1.34 | 0.47 | 0.20 | 0.24 | 0.37 | 1.34 | a | |||||||||||
1952 | 0.52 | 0.30 | 0.15 | 0.00 | 0.34 | 1.06 | 1.60 | 1.03 | 0.23 | 0.04 | 0.25 | 0.08 | 1.60 | |||||||||||||
1953 | 0.11 | 0.24 | 0.15 | 1.40 | 0.65 | a | 1.47 | 0.25 | 0.46 | 0.72 | 0.18 | 0.14 | 0.27 | 1.47 | a | |||||||||||
1954 | 0.28 | 0.10 | 0.32 | ----- | z | 2.17 | 2.27 | 1.18 | 0.90 | 1.08 | ----- | z | 0.12 | ----- | z | ----- | z | |||||||||
1955 | ----- | z | ----- | z | 0.12 | 0.26 | 1.01 | 0.64 | 0.66 | 0.88 | 0.44 | 0.23 | 0.29 | 0.11 | ----- | z | ||||||||||
1956 | 0.30 | 0.15 | 0.44 | 0.05 | 0.58 | 2.37 | 0.36 | 2.02 | 0.98 | 0.59 | 1.35 | 0.15 | 2.37 | |||||||||||||
1957 | 0.10 | 0.05 | 0.05 | 0.15 | 0.88 | a | 0.90 | 1.75 | 3.30 | 0.83 | 0.68 | 0.26 | 0.06 | a | 3.30 | b | ||||||||||
1958 | 0.15 | 0.90 | 0.10 | 0.50 | 0.36 | 1.09 | 1.10 | 0.26 | 0.29 | 0.29 | 0.97 | 0.08 | 1.10 | |||||||||||||
1959 | 0.14 | 0.10 | 0.30 | 0.16 | a | 0.71 | 1.52 | 0.76 | 0.58 | 0.50 | 1.02 | 0.36 | 0.23 | 1.52 | a | |||||||||||
1960 | 0.38 | 0.12 | 0.09 | 0.52 | 1.35 | 0.90 | 0.95 | 0.73 | 0.46 | 0.27 | a | 0.07 | 0.60 | 1.35 | a | |||||||||||
1961 | 0.02 | 0.20 | 0.11 | 0.95 | 0.61 | 0.64 | 1.63 | 0.52 | 0.97 | 0.40 | 0.07 | 0.39 | 1.63 | |||||||||||||
1962 | 0.15 | 0.08 | 0.63 | 0.19 | 1.34 | 0.46 | 1.63 | 1.17 | 1.03 | 0.07 | 0.49 | 0.04 | 1.63 | |||||||||||||
1963 | 0.04 | 0.12 | 0.57 | 0.79 | 0.32 | 1.82 | 0.42 | 0.26 | 0.18 | 0.17 | 0.05 | 0.21 | 1.82 | |||||||||||||
1964 | 0.41 | 0.05 | 0.59 | 0.69 | 1.72 | 2.94 | 0.59 | 1.00 | 1.65 | 0.08 | 0.43 | 0.43 | 2.94 | |||||||||||||
1965 | 0.15 | 0.13 | 0.23 | 0.91 | 0.91 | 0.29 | 2.42 | 0.92 | 0.85 | 0.66 | 0.23 | 0.21 | 2.42 | |||||||||||||
1966 | 0.10 | 0.37 | 0.80 | 1.41 | 0.28 | 1.62 | 1.24 | 0.83 | 0.17 | 0.53 | 0.38 | 0.13 | 1.62 | |||||||||||||
1967 | 0.40 | 0.30 | 0.29 | 0.62 | 1.77 | 2.22 | 0.22 | 0.48 | 0.27 | 0.90 | 0.02 | 0.33 | 2.22 | |||||||||||||
1968 | 0.08 | 0.05 | 0.98 | 0.94 | 0.60 | 0.85 | 0.50 | 1.08 | 0.87 | 0.35 | 0.20 | 0.22 | 1.08 | |||||||||||||
1969 | 0.18 | 0.62 | 0.27 | 0.53 | 1.30 | 2.36 | 0.91 | 0.25 | 0.80 | 0.48 | 0.01 | 0.24 | 2.36 | |||||||||||||
1970 | 0.04 | 0.30 | 0.10 | 1.20 | 0.62 | 0.98 | 1.48 | 0.25 | 0.95 | 0.20 | 0.27 | 0.18 | 1.48 | |||||||||||||
1971 | 0.24 | 0.34 | 0.14 | 0.39 | 0.93 | 1.51 | 1.04 | 0.05 | 1.68 | 1.55 | 0.06 | 0.11 | 1.68 | |||||||||||||
1972 | 0.22 | 0.22 | 0.90 | 0.68 | 0.76 | 0.70 | 0.33 | 0.55 | 0.31 | 0.50 | 0.11 | 0.40 | 0.90 | |||||||||||||
1973 | 0.03 | 0.11 | 0.45 | 0.50 | 0.44 | 2.00 | 0.66 | 0.36 | 1.49 | 2.13 | 0.40 | 0.27 | 2.13 | |||||||||||||
1974 | 0.18 | 0.19 | 0.20 | 1.01 | 0.54 | 0.40 | 0.44 | 1.41 | 0.13 | 0.53 | 1.40 | 0.10 | 1.41 | |||||||||||||
1975 | 0.17 | 0.06 | 0.70 | 0.46 | 0.57 | 1.45 | 0.65 | 0.32 | 0.47 | 0.25 | 0.25 | 0.16 | 1.45 | |||||||||||||
1976 | 0.65 | 0.20 | 0.71 | 0.52 | 0.14 | 0.80 | 0.97 | 0.40 | 0.25 | 0.02 | 0.10 | 0.09 | 0.97 | |||||||||||||
1977 | 0.27 | 0.12 | 0.37 | 0.15 | 1.66 | 0.36 | 1.43 | 0.42 | 1.23 | 0.61 | 0.90 | 0.28 | 1.66 | |||||||||||||
1978 | 0.05 | 0.03 | 0.16 | 0.30 | 0.86 | 0.95 | 0.63 | 2.00 | 0.64 | 0.28 | 0.40 | 0.50 | 2.00 | |||||||||||||
1979 | 0.32 | 0.58 | 0.30 | 0.86 | 0.37 | 1.50 | 1.08 | 0.30 | 0.36 | 0.07 | 0.20 | 0.32 | 1.50 | |||||||||||||
1980 | 0.56 | 0.20 | 0.10 | 0.02 | 0.75 | 2.06 | 0.75 | 1.25 | 0.38 | 1.30 | 0.41 | 0.10 | 2.06 | |||||||||||||
1981 | 0.11 | 0.19 | 0.17 | 1.18 | 0.48 | 1.90 | 3.23 | 0.40 | 1.45 | 0.42 | 0.35 | 0.18 | 3.23 | |||||||||||||
1982 | 0.38 | 0.34 | 0.33 | 0.15 | 0.61 | 1.20 | 0.96 | 0.85 | 0.60 | 1.00 | 0.28 | 0.30 | 1.20 | |||||||||||||
1983 | 0.61 | 0.20 | 0.70 | 0.21 | 0.56 | 1.50 | 1.05 | 0.58 | 0.98 | 0.27 | 0.43 | 0.23 | 1.50 | |||||||||||||
1984 | 0.23 | 0.16 | 0.42 | 0.67 | 0.28 | 0.52 | 1.05 | 0.40 | 0.12 | 0.86 | 0.15 | 0.23 | 1.05 | |||||||||||||
1985 | 0.16 | 0.62 | 0.45 | 0.14 | 0.85 | 0.55 | 0.59 | 0.57 | 0.25 | 0.70 | 0.48 | 0.10 | 0.85 | |||||||||||||
1986 | 0.17 | 0.22 | 0.02 | 0.58 | 0.64 | 0.52 | 1.55 | 0.48 | 0.74 | 0.84 | 1.45 | 0.06 | 1.55 | |||||||||||||
1987 | 0.25 | 0.50 | 0.25 | 0.06 | 2.00 | 0.78 | 3.45 | 0.59 | 1.07 | 0.07 | 0.10 | 0.24 | 3.45 | |||||||||||||
1988 | 0.90 | a | 0.06 | 0.75 | 0.40 | 0.22 | 0.34 | 0.25 | 0.70 | 0.38 | 0.35 | 0.55 | 0.55 | 0.90 | a | |||||||||||
1989 | 0.47 | a | 0.03 | ----- | z | 0.34 | 0.50 | 1.06 | 1.85 | 3.31 | 0.70 | 0.15 | 0.33 | 0.01 | ----- | z | ||||||||||
1990 | 0.20 | 0.20 | 0.23 | 0.43 | 0.42 | 1.22 | 0.65 | 1.16 | 0.66 | 0.30 | 0.10 | 0.21 | 1.22 | |||||||||||||
1991 | 0.03 | 0.32 | 0.17 | 1.25 | 0.93 | b | 1.73 | 0.98 | 0.34 | 1.38 | 0.78 | a | 0.39 | 0.27 | 1.73 | c | ||||||||||
1992 | 0.15 | 0.21 | 0.38 | 0.26 | 0.35 | 0.78 | 0.25 | 1.32 | 2.34 | 0.37 | 0.56 | 0.27 | 2.34 | |||||||||||||
1993 | 0.17 | 0.15 | b | 0.51 | 0.39 | 1.28 | 1.75 | 1.33 | 0.50 | 0.07 | 0.10 | 0.25 | 0.40 | 1.75 | b | |||||||||||
1994 | 0.25 | 0.25 | 0.15 | 0.50 | 0.44 | 1.40 | 0.75 | 0.27 | 1.18 | 0.74 | 0.75 | 0.24 | 1.40 | |||||||||||||
1995 | 0.25 | a | 0.12 | 0.37 | 0.38 | 0.91 | 0.65 | 1.87 | 0.82 | 0.73 | 0.56 | 0.28 | 0.34 | 1.87 | a | |||||||||||
1996 | 0.62 | a | 0.17 | 0.44 | 0.18 | 1.15 | 0.53 | 1.10 | 0.48 | 0.49 | 1.06 | a | 0.54 | 0.19 | e | 1.15 | g | |||||||||
1997 | 0.40 | g | 0.09 | a | 0.21 | 1.20 | 0.45 | a | 0.82 | 1.59 | 0.36 | 0.47 | 1.20 | b | 0.22 | i | 0.07 | a | 1.59 | u | ||||||
1998 | 0.16 | c | 0.49 | a | 0.34 | a | 0.73 | 1.13 | 0.66 | 0.96 | 0.78 | 0.56 | 1.41 | 0.51 | 0.12 | 1.41 | e | |||||||||
1999 | 0.38 | 0.27 | 0.21 | b | 1.67 | 1.15 | 1.10 | 0.81 | 2.22 | 0.58 | 0.06 | 0.00 | 0.07 | 2.22 | b | |||||||||||
2000 | 0.16 | 0.98 | 0.45 | 0.40 | 0.38 | 2.18 | 2.42 | 2.34 | 0.76 | 1.61 | 0.61 | 0.25 | a | 2.42 | a | |||||||||||
2001 | 0.07 | 0.22 | 0.17 | 0.22 | 1.13 | 1.31 | 1.81 | 1.01 | 0.29 | 0.80 | 0.07 | 0.07 | 1.81 | |||||||||||||
2002 | 0.11 | i | 0.04 | 0.15 | 0.39 | 0.40 | 0.75 | 1.80 | 1.58 | 0.24 | 0.55 | 0.16 | 0.31 | 1.80 | i | |||||||||||
2003 | 0.24 | 0.05 | a | 0.26 | 0.63 | 0.88 | 0.84 | 0.93 | 1.05 | 0.73 | 0.21 | 0.20 | 0.13 | 1.05 | a | |||||||||||
2004 | 0.50 | 0.26 | 1.74 | 0.22 | 0.58 | l | ----- | 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 |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.24 | 0.23 | 0.39 | 0.59 | 0.80 | 1.24 | 1.07 | 0.88 | 0.70 | 0.60 | 0.34 | 0.22 | 1.79 | |||||||||||||
S.D. | 0.18 | 0.19 | 0.31 | 0.47 | 0.47 | 0.75 | 0.69 | 0.66 | 0.48 | 0.49 | 0.31 | 0.14 | 0.65 | |||||||||||||
SKEW | 1.33 | 1.78 | 1.82 | 1.29 | 0.93 | 1.16 | 1.18 | 1.70 | 1.12 | 1.00 | 1.91 | 0.60 | 0.98 | |||||||||||||
MAX | 0.90 | 0.98 | 1.74 | 2.16 | 2.17 | 3.70 | 3.45 | 3.31 | 2.34 | 2.13 | 1.45 | 0.60 | 3.50 | |||||||||||||
MIN | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.29 | 0.13 | 0.05 | 0.07 | 0.02 | 0.00 | 0.00 | 0.85 | |||||||||||||
YRS | 67 | 68 | 68 | 70 | 71 | 69 | 71 | 72 | 68 | 70 | 69 | 68 | 53 |