YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1969 | ----- | z | ----- | z | 0.20 | 0.84 | 0.56 | 0.73 | 0.17 | 0.00 | 0.18 | 0.25 | 0.32 | 0.60 | ----- | z | ||||||||||
1970 | 0.62 | 0.30 | 0.45 | 0.21 | 0.95 | 0.62 | 0.98 | 0.00 | 0.47 | 0.31 | 0.35 | 0.38 | 0.98 | |||||||||||||
1971 | 2.70 | 0.16 | 0.47 | 0.46 | 0.78 | 0.46 | 0.24 | 0.16 | 0.28 | 0.17 | 0.54 | 0.77 | 2.70 | |||||||||||||
1972 | 0.40 | 0.21 | 0.47 | 0.30 | 0.22 | 0.72 | 0.31 | 0.10 | 0.24 | 0.12 | 0.45 | 0.46 | 0.72 | |||||||||||||
1973 | 0.22 | 0.12 | 0.09 | 0.37 | 0.72 | 0.21 | 0.01 | 0.17 | 0.32 | 0.32 | 0.57 | 0.50 | 0.72 | |||||||||||||
1974 | 1.10 | 0.28 | 0.84 | 0.29 | 0.18 | 0.40 | 0.64 | 0.24 | 0.00 | 0.22 | 0.47 | 0.85 | 1.10 | |||||||||||||
1975 | 0.77 | 0.60 | 0.40 | 0.67 | 0.33 | 0.48 | 0.45 | 0.54 | 0.05 | 0.73 | 0.44 | 0.72 | 0.77 | |||||||||||||
1976 | 0.72 | 0.50 | 0.37 | 0.16 | 0.10 | 0.59 | 0.53 | 0.72 | 2.00 | 0.15 | 0.24 | 0.07 | 2.00 | |||||||||||||
1977 | 0.27 | 0.44 | 0.16 | 0.18 | 0.35 | 0.49 | 0.53 | 0.21 | 0.76 | 0.26 | 0.76 | 0.65 | 0.76 | |||||||||||||
1978 | 0.21 | 0.22 | 0.27 | 0.55 | 0.33 | 1.02 | 0.21 | 0.41 | 1.06 | 0.04 | 0.65 | 0.80 | 1.06 | |||||||||||||
1979 | 0.42 | 0.33 | 0.33 | 0.18 | a | 1.01 | b | 0.45 | 0.12 | 0.74 | 0.34 | 0.30 | 0.50 | 0.14 | 1.01 | c | ||||||||||
1980 | 0.72 | 0.67 | 0.31 | 0.47 | 0.66 | 0.77 | 0.15 | 0.04 | 0.64 | 0.52 | 0.91 | f | 1.14 | 1.14 | f | |||||||||||
1981 | 0.39 | 0.53 | 0.60 | 0.48 | 1.00 | 1.16 | 0.36 | 0.18 | 0.69 | 0.60 | 0.55 | 0.76 | 1.16 | |||||||||||||
1982 | 1.30 | 0.30 | 0.35 | a | 0.32 | 0.56 | 0.74 | 1.53 | 0.36 | a | 0.49 | 0.93 | 0.35 | a | 0.61 | e | 1.53 | h | ||||||||
1983 | 0.37 | c | 0.39 | 0.53 | 0.63 | 0.29 | 0.34 | 0.61 | b | 1.06 | 0.29 | 0.42 | 0.56 | 0.84 | 1.06 | e | ||||||||||
1984 | 1.40 | 0.22 | 0.49 | 0.52 | 0.43 | 0.58 | 0.66 | a | 2.05 | 0.25 | 0.26 | 0.82 | 1.10 | 2.05 | a | |||||||||||
1985 | 0.18 | 0.37 | 0.29 | 0.38 | 0.52 | 0.71 | 0.15 | 0.25 | 0.42 | 0.41 | 1.11 | c | 0.04 | 1.11 | c | |||||||||||
1986 | 0.70 | a | 1.18 | 0.85 | 0.26 | 0.57 | 0.03 | 0.06 | 0.48 | 0.50 | 0.31 | 0.75 | 0.15 | 1.18 | a | |||||||||||
1987 | 0.53 | 0.40 | 0.44 | 0.40 | 0.32 | 0.38 | a | 0.60 | 0.39 | 0.02 | 0.00 | 0.50 | 0.70 | 0.70 | a | |||||||||||
1988 | 0.36 | 0.28 | 0.40 | b | 0.29 | 0.32 | 1.70 | b | 0.10 | 0.19 | 0.36 | 0.01 | 0.56 | 0.12 | 1.70 | d | ||||||||||
1989 | 0.10 | 1.68 | 0.60 | c | 0.32 | 1.10 | 2.00 | 0.17 | 1.18 | 0.60 | 0.38 | 0.28 | 0.07 | 2.00 | c | |||||||||||
1990 | 0.35 | 0.30 | 0.26 | a | 0.25 | f | 0.60 | a | 0.43 | a | 0.15 | 0.79 | 0.00 | 0.35 | 0.36 | a | 0.23 | 0.79 | j | |||||||
1991 | 0.32 | a | 0.25 | 0.66 | 0.28 | 1.30 | a | 0.43 | 0.03 | 0.13 | c | 0.36 | 0.29 | 0.67 | 0.44 | 1.30 | e | |||||||||
1992 | 0.33 | 0.28 | 0.55 | 0.25 | b | 0.32 | 0.86 | 0.52 | 0.20 | 0.13 | 0.45 | a | 0.35 | a | 0.47 | a | 0.86 | e | ||||||||
1993 | 1.16 | a | 0.20 | 0.45 | a | 0.33 | a | 0.74 | 0.38 | 0.23 | 0.38 | 0.00 | 0.28 | 0.25 | 0.50 | 1.16 | c | |||||||||
1994 | 0.24 | a | 0.33 | 0.36 | a | 0.75 | 1.10 | 0.41 | 0.26 | 0.60 | 0.21 | 0.43 | 0.50 | c | 0.23 | 1.10 | e | |||||||||
1995 | 0.37 | 0.22 | b | 0.33 | 0.55 | 0.48 | 0.55 | 0.34 | 0.56 | 0.03 | 0.18 | 0.83 | 0.66 | 0.83 | b | |||||||||||
1996 | 0.40 | a | 0.26 | 0.32 | 0.38 | 0.40 | 0.36 | 0.13 | 0.37 | 0.25 | 0.53 | 0.50 | 0.50 | 0.53 | a | |||||||||||
1997 | 0.70 | 0.19 | 0.42 | 0.42 | 0.29 | 0.74 | 0.81 | 0.32 | 0.26 | 0.26 | 0.18 | 0.42 | 0.81 | |||||||||||||
1998 | 0.60 | 0.31 | 0.32 | 0.47 | 1.27 | a | 0.32 | 0.48 | 0.02 | 1.33 | 0.11 | 0.40 | 0.50 | a | 1.33 | b | ||||||||||
1999 | 0.50 | 0.43 | a | 0.15 | 0.23 | b | 0.31 | g | 0.45 | b | 0.04 | 0.13 | 0.00 | 0.47 | 0.18 | 0.67 | a | 0.67 | m | |||||||
2000 | 0.69 | 0.38 | 0.59 | 0.26 | 0.23 | 1.10 | 0.35 | 0.05 | 0.23 | 0.41 | 0.33 | 0.10 | 1.10 | |||||||||||||
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | 0.11 | o | 0.46 | d | 0.41 | d | 0.19 | b | 5.78 | a | 0.15 | h | 0.13 | r | 0.05 | j | 0.02 | m | 0.18 | m | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.04 | y | 0.14 | r | 0.14 | r | 0.22 | t | ----- | z |
2004 | 0.13 | v | 0.37 | j | 0.01 | o | 0.31 | j | 0.54 | p | 0.11 | l | 0.20 | k | 0.17 | i | 0.26 | n | 0.56 | k | 0.11 | l | 0.49 | l | ----- | z |
2005 | 0.16 | o | 0.11 | k | 0.28 | k | 0.20 | p | 0.49 | g | 0.12 | m | 0.36 | c | 0.20 | g | 0.03 | q | 0.30 | k | 0.67 | f | 0.23 | e | ----- | z |
2006 | 0.25 | j | 0.11 | h | 0.33 | e | 0.50 | b | 0.11 | n | 0.48 | j | 0.63 | q | 0.01 | s | 0.00 | x | 0.03 | v | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.42 | s | 0.27 | u | ----- | z |
2008 | 0.16 | t | 0.30 | r | ----- | 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 |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.62 | 0.40 | 0.41 | 0.40 | 0.57 | 0.80 | 0.37 | 0.41 | 0.40 | 0.33 | 0.49 | 0.50 | 1.19 | |||||||||||||
S.D. | 0.51 | 0.31 | 0.17 | 0.17 | 0.34 | 0.98 | 0.32 | 0.42 | 0.42 | 0.20 | 0.21 | 0.30 | 0.54 | |||||||||||||
SKEW | 2.48 | 2.89 | 0.62 | 0.80 | 0.71 | 4.22 | 1.67 | 2.13 | 2.09 | 0.83 | 0.82 | 0.19 | 1.25 | |||||||||||||
MAX | 2.70 | 1.68 | 0.85 | 0.84 | 1.30 | 5.78 | 1.53 | 2.05 | 2.00 | 0.93 | 1.11 | 1.14 | 2.70 | |||||||||||||
MIN | 0.10 | 0.12 | 0.09 | 0.16 | 0.10 | 0.03 | 0.01 | 0.00 | 0.00 | 0.00 | 0.18 | 0.04 | 0.53 | |||||||||||||
YRS | 31 | 31 | 34 | 33 | 32 | 33 | 33 | 32 | 32 | 32 | 31 | 33 | 23 |