YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.22 | 1.51 | 2.03 | 0.09 | 0.19 | 5.04 | g | |||||
1942 | 0.13 | b | 0.13 | a | 0.45 | 2.48 | 0.00 | 0.71 | 0.74 | 0.42 | 0.61 | 0.19 | 0.00 | 0.21 | 6.07 | |||||||||||
1943 | 0.34 | 0.10 | ----- | z | ----- | z | 0.35 | 0.97 | 0.52 | 1.24 | 0.67 | 0.29 | 0.18 | 0.89 | 5.55 | b | ||||||||||
1944 | 0.87 | 0.38 | 1.48 | 0.49 | 0.31 | 0.09 | 1.09 | 0.23 | 0.41 | 1.44 | 0.23 | 0.28 | 7.30 | |||||||||||||
1945 | 0.55 | 0.13 | 0.20 | 0.90 | 0.74 | 0.30 | 0.55 | 2.26 | 0.53 | 1.53 | 0.03 | 0.24 | 7.96 | |||||||||||||
1946 | 0.26 | 0.33 | 0.43 | 0.35 | 0.79 | 0.03 | 1.25 | 1.47 | 0.09 | 0.56 | 0.21 | 0.08 | 5.85 | |||||||||||||
1947 | 0.34 | 0.00 | 0.31 | 1.27 | 1.06 | 0.91 | 1.05 | 1.47 | 1.30 | 1.13 | 0.23 | 0.32 | 9.39 | |||||||||||||
1948 | 1.19 | 0.34 | 0.36 | w | 0.21 | a | ----- | z | 0.15 | y | 0.22 | 0.61 | 0.23 | 0.57 | 0.06 | 0.60 | 4.03 | c | ||||||||
1949 | 0.75 | 0.41 | 0.38 | 0.48 | g | 0.88 | 1.45 | 1.19 | 1.36 | 0.66 | 0.22 | g | 0.00 | 0.06 | 7.14 | b | ||||||||||
1950 | 0.20 | c | 0.28 | 0.15 | 0.13 | 0.28 | 0.91 | 0.80 | 1.20 | 0.71 | 0.11 | 0.00 | 0.12 | 4.89 | ||||||||||||
1951 | 0.14 | 0.34 | 0.17 | 0.42 | 0.24 | 0.03 | 0.38 | 1.13 | 0.14 | 0.27 | 0.26 | 0.80 | 4.32 | |||||||||||||
1952 | 1.22 | 0.11 | 0.40 | 1.84 | 0.67 | 0.23 | 0.82 | 0.93 | 0.78 | 0.00 | 0.72 | 0.12 | 7.84 | |||||||||||||
1953 | 0.00 | 0.14 | 0.51 | 0.87 | 1.67 | 0.78 | 2.58 | 0.68 | 0.03 | 0.63 | a | 0.80 | 0.36 | 9.05 | ||||||||||||
1954 | 0.34 | 0.00 | 0.11 | 0.77 | 0.57 | 0.00 | 1.16 | 0.46 | 1.03 | 0.24 | e | 0.08 | d | 0.30 | 5.06 | |||||||||||
1955 | 0.02 | 0.12 | 0.02 | 0.90 | 1.08 | 0.00 | 0.60 | 1.26 | 0.57 | 0.00 | 0.17 | 0.24 | 4.98 | |||||||||||||
1956 | 0.69 | 0.21 | 0.19 | 0.51 | 0.54 | 0.17 | 0.35 | 0.38 | 0.03 | 0.49 | 0.15 | 0.03 | 3.74 | |||||||||||||
1957 | 0.38 | 0.24 | 0.46 | 1.18 | 2.53 | 0.29 | 2.15 | 1.46 | 0.14 | 0.66 | 1.45 | 0.00 | 10.94 | |||||||||||||
1958 | 0.30 | 0.15 | 0.47 | 0.30 | 0.44 | 0.38 | 0.96 | 2.04 | 0.35 | 0.84 | 0.40 | 0.55 | 7.18 | |||||||||||||
1959 | 0.22 | 0.11 | 0.67 | 1.06 | 1.66 | 0.34 | 0.23 | 2.36 | 1.41 | 2.50 | 0.06 | 0.19 | 10.81 | |||||||||||||
1960 | 0.74 | 0.45 | 0.07 | 0.11 | 0.28 | 0.33 | 0.55 | 0.58 | 0.32 | 1.99 | 0.12 | 0.45 | 5.99 | |||||||||||||
1961 | 0.00 | 0.31 | 0.72 | 0.53 | 0.20 | 0.27 | 1.61 | 2.01 | 1.42 | 2.16 | 0.62 | 0.16 | 10.01 | |||||||||||||
1962 | 0.03 | 0.24 | 0.44 | 0.06 | 0.00 | 0.91 | 1.06 | 0.19 | 1.03 | 0.48 | 0.84 | 0.08 | 5.36 | |||||||||||||
1963 | 0.48 | 0.55 | 0.25 | 0.22 | 0.71 | 0.73 | 0.73 | 2.06 | 0.28 | 0.44 | 0.23 | 0.00 | 6.68 | |||||||||||||
1964 | 0.14 | 0.75 | 0.64 | 0.41 | 0.50 | 0.10 | 1.36 | 1.03 | 0.86 | 0.02 | 0.63 | 0.52 | 6.96 | |||||||||||||
1965 | 0.12 | 0.48 | 0.49 | 0.70 | 0.36 | 1.64 | 1.95 | 1.98 | 1.45 | 0.85 | 0.06 | 0.95 | 11.03 | |||||||||||||
1966 | 0.14 | 0.56 | 0.00 | 0.46 | 0.34 | 0.29 | 0.53 | 1.45 | 0.16 | 0.41 | 0.25 | 0.19 | 4.78 | |||||||||||||
1967 | 0.06 | 0.18 | 0.19 | 0.20 | 0.86 | 0.49 | 1.43 | 1.82 | 0.78 | 0.19 | 0.05 | 1.65 | 7.90 | |||||||||||||
1968 | 0.06 | 0.25 | 0.39 | 0.46 | 0.57 | 0.00 | 1.24 | 2.57 | 0.61 | 0.10 | 0.43 | 0.23 | 6.91 | |||||||||||||
1969 | 0.05 | 0.07 | 0.36 | 0.16 | 0.73 | 2.65 | 1.54 | 1.52 | 1.27 | 2.12 | 0.13 | 0.46 | 11.06 | |||||||||||||
1970 | 0.13 | 0.00 | 0.60 | 0.16 | 0.16 | 0.80 | 0.65 | 0.51 | 1.37 | 0.96 | 0.00 | 0.02 | 5.36 | |||||||||||||
1971 | 0.04 | 0.08 | 0.00 | 0.16 | 0.71 | 0.05 | 1.44 | 1.68 | 0.92 | 0.65 | 0.34 | 0.05 | 6.12 | |||||||||||||
1972 | 0.10 | 0.01 | 0.05 | 0.00 | 0.43 | 0.14 | 0.62 | 1.39 | 1.07 | 1.54 | 0.98 | 0.43 | 6.76 | |||||||||||||
1973 | 0.00 | 0.05 | 0.36 | 0.17 | 0.56 | 0.45 | 0.87 | 1.07 | 0.59 | 0.47 | 0.03 | 0.00 | 4.62 | |||||||||||||
1974 | 0.43 | 0.03 | 0.50 | 0.00 | 0.00 | 0.19 | 1.16 | 1.36 | 0.87 | 0.81 | 0.35 | 0.49 | 6.19 | |||||||||||||
1975 | 0.33 | 0.28 | 0.36 | 0.50 | 0.01 | 0.43 | 1.19 | 0.83 | 1.42 | 0.27 | 1.28 | 0.03 | 6.93 | |||||||||||||
1976 | 0.03 | 0.19 | 0.17 | 0.75 | 0.70 | 0.28 | 0.62 | 1.57 | 0.97 | 0.13 | 0.16 | 0.06 | 5.63 | |||||||||||||
1977 | 0.17 | 0.27 | 0.03 | 0.48 | 0.17 | 0.20 | 1.98 | 0.80 | 0.51 | 0.12 | 0.85 | 0.09 | 5.67 | |||||||||||||
1978 | 0.11 | 0.01 | 0.06 | 0.23 | 1.19 | 1.18 | 1.10 | 0.23 | 0.30 | 0.62 | 1.05 | 0.88 | 6.96 | |||||||||||||
1979 | 0.23 | 0.03 | 0.28 | 0.04 | 0.58 | 1.57 | 0.76 | 1.48 | 0.31 | 0.29 | 0.27 | 0.33 | 6.17 | |||||||||||||
1980 | 0.29 | 0.18 | 0.54 | 0.80 | 2.10 | 0.05 | 0.33 | 1.25 | 0.71 | 0.25 | 0.03 | 0.00 | 6.53 | |||||||||||||
1981 | 0.00 | 0.04 | 0.30 | 0.00 | 0.79 | 1.11 | 1.46 | 1.68 | 0.78 | 0.47 | 0.37 | 0.02 | 7.02 | |||||||||||||
1982 | 0.19 | 0.15 | 0.46 | 0.15 | 0.32 | 0.06 | 0.80 | 2.03 | a | 1.90 | 0.04 | 0.05 | 0.12 | 6.27 | ||||||||||||
1983 | 0.15 | 0.14 | 0.75 | 0.17 | 0.76 | 1.71 | 0.50 | 1.29 | 0.53 | 0.15 | 0.18 | 0.84 | 7.17 | |||||||||||||
1984 | 0.11 | 0.11 | 0.25 | 0.14 | 0.21 | 0.43 | 0.74 | 1.20 | 0.56 | 1.05 | 0.03 | 0.70 | 5.53 | |||||||||||||
1985 | 0.11 | 0.35 | 0.81 | 1.11 | 0.62 | 0.66 | 1.61 | 0.58 | 1.65 | 0.86 | 0.41 | 0.26 | 9.03 | |||||||||||||
1986 | 0.04 | 0.20 | 0.00 | 0.44 | 0.37 | 0.96 | 2.69 | 0.28 | 1.13 | 1.25 | 1.69 | 0.07 | 9.12 | |||||||||||||
1987 | 0.49 | 0.45 | 0.65 | 0.14 | 0.49 | 0.63 | 0.04 | 1.27 | 0.28 | 0.01 | 0.85 | 0.67 | a | 5.97 | ||||||||||||
1988 | 0.36 | 0.10 | 0.41 | 0.27 | 0.88 | 0.76 | 0.48 | 1.25 | 0.66 | 0.39 | 0.23 | 0.13 | 5.92 | |||||||||||||
1989 | 0.37 | 0.40 | 0.19 | 0.05 | 0.15 | 0.14 | 2.81 | 0.40 | 1.43 | 0.21 | 0.00 | 0.07 | 6.22 | |||||||||||||
1990 | 0.21 | 0.70 | 0.63 | 2.01 | 0.98 | 0.32 | 2.13 | 0.80 | 1.99 | 0.66 | 0.45 | 0.25 | 11.13 | |||||||||||||
1991 | 0.08 | 0.09 | 0.17 | 0.02 | 0.87 | 1.93 | 0.89 | 2.33 | 0.77 | 0.53 | 1.13 | 0.55 | 9.36 | |||||||||||||
1992 | 0.03 | 0.09 | 0.62 | 0.25 | 1.24 | 1.34 | 1.49 | 2.49 | 0.90 | 0.07 | 0.35 | 0.54 | 9.41 | |||||||||||||
1993 | 0.24 | 0.28 | 0.47 | 0.31 | 1.26 | 0.15 | 0.79 | 3.09 | 0.98 | 0.47 | 0.57 | 0.28 | 8.89 | |||||||||||||
1994 | 0.06 | 0.00 | ----- | z | 1.45 | r | 1.76 | v | ----- | z | ----- | z | 1.06 | o | 1.54 | 0.72 | 0.49 | 0.09 | 2.90 | f | ||||||
1995 | 0.06 | 0.00 | 0.68 | 0.21 | a | 0.76 | 1.98 | 1.03 | 1.40 | 0.99 | 0.01 | 0.10 | 0.05 | 7.27 | ||||||||||||
1996 | 0.04 | 0.05 | 0.28 | 0.50 | 0.00 | 0.99 | 0.28 | 0.66 | 0.64 | 1.17 | 0.37 | 0.00 | 4.98 | |||||||||||||
1997 | 0.18 | 0.58 | a | 0.08 | 0.02 | a | 0.57 | 0.66 | 0.71 | 1.78 | 1.41 | 0.41 | 0.38 | 0.30 | b | 7.08 | ||||||||||
1998 | 0.01 | 0.15 | a | 0.32 | a | 0.39 | 0.00 | 0.00 | 1.60 | 0.87 | 0.58 | 1.94 | 0.71 | 0.12 | 6.69 | |||||||||||
1999 | 0.05 | 0.00 | 0.24 | 0.99 | 0.73 | 0.82 | 1.96 | 1.53 | 0.66 | 0.06 | 0.00 | 0.00 | 7.04 | |||||||||||||
2000 | 0.22 | 0.00 | 1.30 | a | 0.99 | d | 0.01 | 0.42 | 0.51 | 0.87 | 0.29 | 1.36 | 0.01 | 0.05 | 6.03 | |||||||||||
2001 | 0.34 | b | 0.32 | a | 1.13 | b | 0.13 | 1.05 | 0.67 | 1.50 | 1.40 | 0.13 | 0.05 | 0.28 | 0.13 | 7.13 | ||||||||||
2002 | 0.17 | a | 0.11 | 0.09 | 0.02 | 0.01 | 0.07 | 0.72 | 0.66 | 1.38 | 0.47 | 0.09 | 0.28 | 4.07 | ||||||||||||
2003 | 0.10 | 0.15 | c | 0.17 | 0.28 | 0.30 | 0.32 | 0.55 | 1.30 | 0.94 | 0.27 | 0.59 | 0.22 | 5.19 | ||||||||||||
2004 | 0.12 | 0.35 | 0.12 | 1.75 | 0.15 | 0.30 | 0.63 | 0.36 | 0.60 | 1.38 | 0.13 | d | 0.18 | a | 6.07 | |||||||||||
2005 | 0.59 | a | 0.31 | 0.30 | 0.19 | b | 0.64 | 0.14 | a | 0.73 | 0.78 | 0.68 | 0.96 | 0.00 | 0.55 | 5.87 | ||||||||||
2006 | 0.12 | 0.00 | 0.33 | 0.44 | 0.39 | 0.36 | 2.16 | 1.12 | 0.28 | n | 1.68 | 0.00 | a | 0.46 | a | 7.06 | a | |||||||||
2007 | 0.26 | 0.15 | 0.75 | 1.08 | 1.43 | 0.67 | 1.62 | 0.92 | 0.17 | 0.21 | 0.21 | 0.85 | 8.32 | |||||||||||||
2008 | 0.18 | b | 0.25 | 0.14 | 0.02 | 0.19 | 0.22 | 0.16 | 2.16 | 0.23 | 0.00 | 0.41 | 0.42 | 4.38 | ||||||||||||
2009 | 0.08 | 0.02 | 0.11 | 0.91 | 1.06 | 1.78 | 0.22 | i | 0.67 | 1.49 | 1.14 | m | 0.08 | m | 0.03 | n | 6.12 | d | ||||||||
2010 | 0.22 | n | 0.00 | m | 1.06 | k | 0.07 | n | 0.00 | o | 0.00 | l | 0.10 | n | 0.22 | k | 0.65 | k | 0.12 | n | 0.03 | i | 0.35 | j | 0.00 | l |
2011 | 0.04 | n | 0.00 | l | 0.04 | k | 0.03 | o | 0.21 | p | 0.09 | l | 0.27 | m | 0.00 | w | 0.00 | y | 0.05 | q | 0.03 | k | 0.00 | q | 0.00 | l |
2012 | 0.00 | l | 0.00 | q | 0.00 | n | 0.01 | o | 0.00 | t | 0.00 | p | 0.00 | w | 0.00 | n | 0.00 | t | 0.00 | t | 0.00 | m | 0.11 | s | 0.00 | l |
2013 | 0.00 | w | 0.01 | u | 0.00 | t | 0.90 | n | 0.00 | u | 0.00 | p | 0.00 | x | 0.00 | s | ----- | z | 0.00 | s | 0.00 | u | ----- | z | 0.00 | l |
2014 | 0.00 | s | 0.00 | s | 0.00 | t | 0.00 | w | 0.00 | y | 0.00 | r | 0.00 | y | 0.00 | t | 0.00 | u | 0.00 | t | 0.00 | q | 0.00 | y | 0.00 | l |
2015 | 0.00 | v | 0.00 | q | 0.00 | x | 0.00 | v | 0.00 | y | 0.00 | y | ----- | z | 0.00 | x | 0.00 | t | 0.00 | v | 0.00 | u | 0.00 | o | 0.00 | l |
2016 | 0.00 | y | 0.00 | x | 0.00 | p | 0.00 | u | 0.00 | w | 0.00 | s | 0.00 | v | 0.00 | r | 0.00 | o | 0.00 | u | 0.00 | w | ----- | z | 0.00 | l |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.24 | 0.21 | 0.38 | 0.51 | 0.62 | 0.61 | 1.06 | 1.25 | 0.79 | 0.67 | 0.35 | 0.31 | 6.94 | |||||||||||||
S.D. | 0.26 | 0.18 | 0.30 | 0.52 | 0.51 | 0.58 | 0.63 | 0.64 | 0.49 | 0.63 | 0.38 | 0.31 | 1.87 | |||||||||||||
SKEW | 1.95 | 0.99 | 1.39 | 1.67 | 1.33 | 1.34 | 0.85 | 0.46 | 0.43 | 1.12 | 1.51 | 1.69 | 0.70 | |||||||||||||
MAX | 1.22 | 0.75 | 1.48 | 2.48 | 2.53 | 2.65 | 2.81 | 3.09 | 1.99 | 2.50 | 1.69 | 1.65 | 11.13 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.19 | 0.03 | 0.00 | 0.00 | 0.00 | 3.74 | |||||||||||||
YRS | 68 | 68 | 65 | 65 | 66 | 66 | 66 | 68 | 68 | 67 | 68 | 68 | 62 |