YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1991 | ----- | z | 1.03 | 0.73 | ----- | z | 0.71 | 1.18 | ----- | z | 0.58 | 1.12 | 1.98 | 0.70 | 0.40 | ----- | z | |||||||||
1992 | 1.17 | 1.25 | 1.07 | 0.48 | 0.57 | 0.33 | 0.43 | 1.48 | 0.27 | 1.92 | 0.53 | 1.52 | 1.92 | |||||||||||||
1993 | 1.82 | 2.30 | 1.00 | 0.61 | 0.58 | 0.88 | 0.38 | 0.48 | 0.47 | 0.89 | a | 1.20 | 0.91 | 2.30 | a | |||||||||||
1994 | 0.48 | 1.31 | 1.07 | 1.04 | 0.17 | 0.17 | 0.12 | 1.58 | 1.22 | 1.58 | 1.16 | 0.68 | 1.58 | |||||||||||||
1995 | 1.63 | 1.14 | 2.42 | 1.00 | 0.61 | 0.74 | 0.62 | 1.06 | 0.59 | 0.00 | 0.10 | 1.02 | 2.42 | |||||||||||||
1996 | 0.62 | 1.63 | 0.75 | 0.98 | 0.38 | 0.01 | 0.50 | 0.58 | 0.67 | 1.11 | 1.03 | 0.94 | 1.63 | |||||||||||||
1997 | 0.92 | 1.05 | 0.90 | 1.06 | 0.57 | 1.01 | 0.48 | 1.04 | 1.41 | 0.84 | 1.53 | 0.88 | 1.53 | |||||||||||||
1998 | 1.15 | 1.28 | 1.52 | 0.66 | 0.51 | 1.14 | 0.49 | 1.12 | 0.87 | 1.30 | d | 0.85 | 0.77 | 1.52 | d | |||||||||||
1999 | 0.74 | a | 1.15 | 0.32 | a | 1.19 | 1.08 | 1.10 | 1.42 | 1.12 | 0.55 | 0.18 | 0.68 | 0.67 | 1.42 | b | ||||||||||
2000 | 1.40 | a | 1.40 | 1.17 | 0.45 | 0.83 | 0.85 | 0.07 | 1.51 | 0.52 | 1.04 | 1.48 | 0.86 | 1.51 | a | |||||||||||
2001 | 1.05 | 1.12 | 0.80 | 1.28 | a | 0.49 | 0.28 | 1.05 | 1.20 | 0.14 | 0.68 | 1.63 | 0.45 | a | 1.63 | b | ||||||||||
2002 | 0.25 | 0.36 | 0.78 | 0.34 | 0.09 | 0.00 | 0.50 | 0.18 | 1.72 | 1.03 | 0.37 | 0.80 | 1.72 | |||||||||||||
2003 | 0.26 | a | 0.77 | 2.03 | b | 1.27 | 0.56 | a | 0.17 | 0.38 | 0.31 | 0.25 | 0.26 | 1.27 | 1.71 | 2.03 | d | |||||||||
2004 | 1.07 | a | 0.52 | 0.21 | 0.74 | a | 0.45 | 0.13 | 0.73 | 0.41 | 0.92 | 4.78 | 1.72 | 2.26 | 4.78 | b | ||||||||||
2005 | 1.83 | 0.76 | 1.31 | 1.06 | 0.35 | 1.08 | 0.42 | 1.42 | 0.30 | 1.53 | 0.52 | x | 1.36 | b | ----- | z | ||||||||||
2006 | 0.80 | b | 0.76 | a | 1.42 | 0.78 | 0.18 | 0.24 | 2.95 | 0.32 | 0.79 | 1.40 | c | 0.30 | d | 0.65 | 2.95 | j | ||||||||
2007 | 0.87 | 1.15 | a | 0.70 | 0.50 | n | ----- | z | 0.00 | x | 1.05 | c | 1.01 | d | 1.55 | a | 0.11 | b | 0.20 | f | 3.20 | g | ----- | z | ||
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.76 | 0.56 | 0.85 | ----- | z | 0.61 | d | 1.40 | ----- | z | ||||
2009 | 0.60 | 0.40 | c | 0.65 | d | 1.20 | r | 0.50 | k | 0.40 | d | 0.48 | c | 0.08 | e | 0.13 | p | 1.15 | b | 1.10 | f | ----- | z | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.98 | 1.08 | 1.05 | 0.86 | 0.51 | 0.57 | 0.71 | 0.84 | 0.79 | 1.21 | 0.95 | 1.02 | 2.00 | |||||||||||||
S.D. | 0.49 | 0.46 | 0.55 | 0.31 | 0.25 | 0.44 | 0.65 | 0.49 | 0.46 | 1.07 | 0.50 | 0.49 | 0.89 | |||||||||||||
SKEW | 0.31 | 0.69 | 0.92 | -0.25 | 0.34 | 0.13 | 2.44 | 0.01 | 0.51 | 2.05 | -0.02 | 1.07 | 2.55 | |||||||||||||
MAX | 1.83 | 2.30 | 2.42 | 1.28 | 1.08 | 1.18 | 2.95 | 1.58 | 1.72 | 4.78 | 1.72 | 2.26 | 4.78 | |||||||||||||
MIN | 0.25 | 0.36 | 0.21 | 0.34 | 0.09 | 0.00 | 0.07 | 0.08 | 0.14 | 0.00 | 0.10 | 0.40 | 1.42 | |||||||||||||
YRS | 17 | 18 | 18 | 15 | 16 | 17 | 18 | 19 | 18 | 18 | 16 | 17 | 13 |