YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.00 | 0.73 | 0.56 | 0.32 | 0.57 | ----- | z | |||||
1977 | 0.37 | 0.78 | 0.82 | 0.29 | 0.78 | 0.30 | 0.28 | 1.20 | 0.67 | 0.68 | 0.98 | 2.10 | 2.10 | |||||||||||||
1978 | 0.79 | ----- | z | 0.75 | 0.64 | 1.00 | 0.58 | 0.80 | 0.37 | 0.86 | 0.52 | 0.93 | 0.54 | ----- | z | |||||||||||
1979 | 0.32 | 0.86 | 0.48 | 0.72 | 1.31 | 0.44 | 0.29 | 0.60 | ----- | z | ----- | z | 1.28 | 0.92 | ----- | z | ||||||||||
1980 | 1.50 | 0.88 | 0.70 | 0.92 | 0.67 | 0.71 | 0.27 | 0.24 | 0.29 | 0.40 | 1.05 | b | 1.70 | 1.70 | b | |||||||||||
1981 | 0.65 | 1.10 | 0.64 | a | 0.55 | a | 0.66 | 1.02 | 0.09 | 0.01 | 0.72 | 1.53 | 1.47 | a | 1.92 | 1.92 | c | |||||||||
1982 | 1.74 | 1.47 | 0.62 | 0.75 | 0.29 | 0.52 | 0.25 | 0.49 | 1.80 | 1.28 | 1.17 | 1.77 | 1.80 | |||||||||||||
1983 | 0.67 | h | 1.40 | 2.75 | 0.65 | 0.62 | 0.62 | 0.70 | 1.39 | 0.50 | 0.46 | a | 1.50 | a | 1.10 | 2.75 | j | |||||||||
1984 | 0.85 | a | 0.61 | 0.46 | 0.82 | 0.90 | c | 1.14 | 0.05 | 0.18 | 0.69 | 0.95 | 2.00 | 0.80 | 2.00 | d | ||||||||||
1985 | 0.18 | b | 0.84 | 0.78 | 0.28 | 0.48 | 0.90 | 0.30 | 0.75 | a | 0.96 | 1.05 | 0.58 | a | 0.62 | a | 1.05 | e | ||||||||
1986 | 1.25 | 2.00 | 0.57 | a | 0.41 | d | 0.94 | 0.25 | 0.45 | 0.16 | ----- | z | 0.81 | 1.17 | 0.75 | a | ----- | z | ||||||||
1987 | 1.20 | 1.80 | 1.81 | 0.38 | 1.07 | 0.11 | 0.64 | 0.44 | 0.12 | a | 0.24 | 0.91 | 1.84 | 1.84 | a | |||||||||||
1988 | 1.95 | 0.58 | a | 0.95 | 0.45 | 0.75 | 0.57 | a | 0.43 | a | 0.89 | 1.67 | 0.13 | 1.50 | a | 0.64 | 1.95 | d | ||||||||
1989 | 0.88 | 0.76 | 0.57 | 0.90 | 0.57 | 0.60 | 0.61 | a | 0.65 | 0.18 | 0.72 | 0.84 | 1.20 | 1.20 | a | |||||||||||
1990 | 2.30 | 0.90 | b | 0.54 | 0.61 | 0.42 | 0.42 | 0.30 | 0.32 | 0.31 | 1.80 | 1.20 | 0.78 | d | 2.30 | f | ||||||||||
1991 | 0.59 | 0.86 | 1.20 | 1.85 | 0.40 | 1.30 | 0.20 | 0.60 | 0.30 | 0.56 | 1.12 | 1.14 | 1.85 | |||||||||||||
1992 | 0.88 | 2.21 | a | 0.36 | 1.20 | 0.03 | 0.55 | 0.41 | 0.38 | 0.70 | a | 1.20 | a | 1.45 | b | 1.40 | a | 2.21 | f | |||||||
1993 | 2.00 | a | 0.31 | 1.11 | a | 1.02 | a | 1.42 | 0.70 | 0.80 | 0.08 | 0.03 | 0.80 | 2.80 | 1.31 | a | 2.80 | d | ||||||||
1994 | 0.57 | a | 1.23 | 0.45 | a | 0.69 | 0.31 | a | 0.60 | 0.03 | 0.09 | 1.16 | 1.92 | a | 1.06 | 1.80 | 1.92 | d | ||||||||
1995 | 0.98 | a | 1.15 | 1.90 | 0.87 | 0.89 | 0.40 | 1.10 | 0.44 | c | 0.58 | 1.99 | 1.66 | a | 2.00 | a | 2.00 | f | ||||||||
1996 | 1.01 | b | 2.74 | 0.79 | 1.75 | 1.00 | 0.85 | b | 0.33 | 0.30 | 1.00 | 1.10 | 2.40 | 1.21 | 2.74 | d | ||||||||||
1997 | 1.46 | 0.81 | 1.30 | 0.60 | 0.60 | 0.97 | a | 0.33 | 0.63 | 0.85 | 1.16 | 1.82 | 1.00 | 1.82 | a | |||||||||||
1998 | 1.32 | 0.83 | 0.79 | a | 0.28 | 0.88 | a | 0.59 | 0.25 | 0.03 | 0.90 | 1.10 | b | 2.05 | a | 1.10 | 2.05 | e | ||||||||
1999 | 1.16 | c | 1.80 | 0.98 | 0.66 | 0.56 | 0.60 | a | 0.40 | 0.21 | c | 0.21 | b | 0.93 | a | 2.09 | c | 0.67 | 2.09 | m | ||||||
2000 | 0.67 | 1.01 | c | 1.10 | a | 1.05 | 0.75 | 2.00 | 0.20 | 0.35 | a | 0.72 | 0.95 | 0.50 | a | 1.43 | 2.00 | f | ||||||||
2001 | 0.42 | a | 0.64 | 0.55 | a | 0.40 | b | 0.39 | e | 0.60 | 0.40 | 0.53 | 0.70 | 0.70 | d | 1.56 | 1.65 | f | 1.65 | s | ||||||
2002 | 1.87 | h | 1.22 | e | 1.40 | i | 0.49 | 0.35 | a | 0.46 | 0.04 | 0.18 | 0.22 | a | 0.34 | 0.90 | a | 1.70 | a | ----- | z | |||||
2003 | 1.88 | b | 0.75 | a | 1.23 | e | 0.93 | 0.34 | 0.15 | 0.09 | 0.43 | 0.94 | 0.53 | 0.41 | a | 0.90 | 1.88 | i | ||||||||
2004 | 1.50 | e | 1.00 | e | 0.79 | 0.93 | 0.88 | 0.93 | 0.00 | 1.32 | 1.05 | 1.32 | 0.50 | 1.55 | 1.55 | j | ||||||||||
2005 | 0.70 | h | 0.45 | 1.10 | 0.75 | f | 0.91 | 1.90 | a | 0.40 | 0.49 | b | 1.12 | b | 1.31 | i | 1.40 | 1.64 | a | ----- | z | |||||
2006 | 2.02 | d | 1.15 | b | 1.15 | b | 0.44 | ----- | z | 0.41 | c | 0.20 | 0.21 | 0.88 | 0.75 | 2.50 | f | 1.30 | ----- | z | ||||||
2007 | 1.48 | s | 0.86 | a | 0.75 | e | 0.65 | j | 0.60 | f | 0.36 | a | 0.18 | 0.30 | 0.63 | i | 0.58 | 0.99 | 3.90 | h | ----- | z | ||||
2008 | 2.10 | d | 1.86 | b | 0.46 | a | 0.40 | p | 0.37 | 1.00 | g | 0.08 | b | 0.57 | e | 0.00 | 1.28 | 1.55 | b | 0.10 | d | ----- | z | |||
2009 | 1.50 | 0.70 | 0.90 | a | 0.42 | 0.92 | 0.14 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
2010 | ----- | z | ----- | z | ----- | z | 0.80 | 0.55 | a | 1.32 | a | 0.33 | 0.00 | 0.58 | 0.95 | 1.15 | 1.33 | ----- | z | |||||||
2011 | 1.67 | 1.30 | c | 1.18 | 0.85 | a | 0.71 | c | 0.29 | b | 0.56 | b | 0.01 | f | 0.27 | f | 0.64 | c | 2.96 | b | 1.10 | e | ----- | z | ||
2012 | 1.80 | d | 0.80 | e | 2.00 | d | 0.45 | d | 1.30 | e | 0.90 | i | 0.04 | h | 0.00 | i | 0.02 | k | 0.90 | g | 2.10 | b | 1.87 | g | ----- | z |
2013 | 0.93 | e | 0.66 | f | 1.20 | e | 0.90 | e | 1.10 | f | 1.06 | g | 0.00 | f | 0.19 | l | 2.23 | a | 0.36 | p | 0.97 | 0.86 | d | ----- | z | |
2014 | 0.66 | e | 1.57 | g | 1.70 | e | 1.00 | c | 0.98 | g | 1.75 | n | 0.48 | b | 0.16 | n | 0.46 | 1.10 | u | 1.21 | e | 2.20 | ----- | z | ||
2015 | 1.20 | g | 1.56 | k | 2.00 | o | 0.75 | u | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.18 | 1.11 | 0.98 | 0.74 | 0.71 | 0.69 | 0.34 | 0.47 | 0.73 | 0.91 | 1.34 | 1.23 | 1.97 | |||||||||||||
S.D. | 0.59 | 0.54 | 0.52 | 0.36 | 0.32 | 0.44 | 0.25 | 0.36 | 0.50 | 0.46 | 0.62 | 0.51 | 0.41 | |||||||||||||
SKEW | 0.16 | 1.21 | 1.47 | 1.30 | 0.25 | 1.37 | 0.94 | 1.04 | 1.02 | 0.66 | 0.73 | 0.05 | 0.65 | |||||||||||||
MAX | 2.30 | 2.74 | 2.75 | 1.85 | 1.42 | 2.00 | 1.10 | 1.39 | 2.23 | 1.99 | 2.96 | 2.20 | 2.80 | |||||||||||||
MIN | 0.18 | 0.31 | 0.36 | 0.28 | 0.03 | 0.11 | 0.00 | 0.00 | 0.00 | 0.13 | 0.32 | 0.10 | 1.20 | |||||||||||||
YRS | 33 | 34 | 36 | 35 | 34 | 34 | 36 | 34 | 33 | 33 | 37 | 35 | 13 |