YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1986 | 11.42 | 20.82 | 29.85 | e | 31.37 | c | 37.81 | 51.64 | b | 53.55 | b | 53.11 | c | 43.00 | b | 32.89 | c | 23.46 | f | 15.11 | d | 34.60 | a | |||
1987 | 10.32 | i | 18.77 | b | ----- | z | 33.73 | h | 42.07 | d | 50.70 | g | 53.64 | c | 50.44 | d | 42.95 | h | 34.85 | e | 24.75 | f | 12.08 | f | 39.96 | g |
1988 | 3.00 | e | 11.14 | g | 21.00 | d | 31.72 | e | 40.00 | 51.24 | i | 56.63 | d | 54.29 | g | 42.38 | a | 38.03 | 22.32 | b | 8.96 | h | 31.89 | d | ||
1989 | 1.70 | h | 2.96 | b | 23.33 | a | 32.47 | 39.97 | a | 47.64 | e | 57.20 | f | 51.81 | j | 45.65 | g | 33.37 | d | 20.73 | s | 9.28 | m | 29.96 | f | |
1990 | 14.52 | f | 10.36 | q | 26.18 | n | 36.04 | b | 39.00 | a | 49.52 | i | 56.13 | a | 52.65 | 49.07 | c | 31.11 | c | 22.17 | 0.13 | a | 35.79 | d | ||
1991 | 3.13 | a | 13.00 | b | 24.55 | b | 29.00 | 40.11 | c | 47.79 | b | 53.77 | a | 53.93 | a | 44.36 | b | 32.52 | 19.60 | e | 11.27 | a | 31.08 | |||
1992 | 5.50 | e | 18.65 | c | 28.71 | c | 34.00 | x | 45.75 | o | 48.58 | d | 51.78 | h | 53.21 | c | 43.70 | 36.36 | c | 19.88 | f | 7.45 | b | 30.27 | d | |
1993 | 8.90 | a | 9.62 | b | 23.50 | a | 30.08 | d | 41.41 | d | 45.48 | c | ----- | z | 51.13 | h | 42.10 | i | 33.33 | d | 16.96 | f | 13.00 | c | 25.66 | d |
1994 | 14.21 | g | 12.11 | j | 26.50 | g | 32.67 | i | 41.73 | a | 51.50 | f | 56.65 | e | 56.15 | d | 46.60 | o | 32.43 | x | 10.00 | w | ----- | z | 51.51 | i |
1995 | 15.17 | s | 28.56 | s | 28.52 | h | 29.87 | g | 40.00 | c | 47.65 | g | 55.78 | h | 60.43 | c | 49.36 | h | 31.69 | o | 26.54 | f | 21.42 | l | 50.21 | j |
1996 | 10.05 | j | 17.12 | e | 26.58 | g | 32.59 | h | 44.04 | g | 54.24 | i | 61.29 | g | 58.59 | d | 43.95 | h | 31.88 | e | 22.68 | h | 15.35 | h | 35.87 | i |
1997 | 10.37 | d | 11.27 | b | 23.04 | e | 26.38 | d | 41.63 | d | 49.93 | b | 53.96 | c | 53.82 | c | 47.44 | c | 30.56 | f | 21.73 | d | 10.40 | f | 33.96 | b |
1998 | 14.85 | k | 19.14 | f | 22.67 | g | 31.31 | d | 39.85 | e | 44.19 | c | 57.33 | a | 53.96 | f | 48.88 | f | 34.96 | h | 26.26 | g | 7.04 | e | 35.94 | g |
1999 | 17.83 | h | 17.33 | j | 27.32 | f | 29.00 | g | 36.83 | g | 46.42 | d | 55.78 | d | 52.71 | c | 41.73 | d | 31.62 | j | 24.85 | j | 11.45 | i | 49.16 | h |
2000 | 18.32 | i | 21.78 | f | 24.63 | d | 33.88 | f | 42.21 | c | 48.60 | 56.00 | a | 56.38 | b | ----- | z | 34.34 | b | 13.25 | f | 12.46 | e | 39.23 | e | |
2001 | 9.46 | g | 15.94 | j | 27.54 | e | 32.56 | e | 40.68 | f | 50.14 | a | 56.47 | a | 54.40 | f | 47.24 | e | 33.00 | i | 25.14 | h | 7.85 | d | 36.97 | f |
2002 | 6.56 | d | 5.95 | h | 17.38 | g | 31.83 | f | 40.11 | d | 52.61 | b | 59.07 | c | 53.08 | e | 45.32 | h | 31.31 | e | 20.30 | g | 11.55 | i | 40.45 | f |
2003 | 14.62 | j | 16.00 | h | 25.67 | d | 31.71 | b | 41.08 | f | 48.21 | a | 60.55 | 57.38 | e | 43.67 | f | 37.04 | f | 19.53 | k | 14.04 | f | 44.70 | g | |
2004 | 9.08 | f | 14.05 | g | 28.82 | c | 33.88 | f | 42.28 | f | 49.58 | d | 55.07 | a | 52.36 | f | 46.69 | d | 37.00 | d | 24.64 | e | 16.23 | i | 40.30 | f |
2005 | 19.32 | 17.63 | a | 25.14 | b | 32.24 | a | 40.97 | 45.77 | 56.71 | 53.33 | a | 46.72 | a | 36.64 | c | 26.46 | b | 13.67 | a | 34.55 | |||||
2006 | 17.07 | a | 14.12 | b | 23.93 | a | 33.41 | a | 42.42 | 52.20 | 59.65 | 53.03 | 42.30 | 34.43 | a | 23.67 | c | 13.93 | b | 34.18 | ||||||
2007 | 2.84 | 20.46 | 27.93 | b | 33.97 | a | 41.26 | 50.97 | a | 59.42 | 57.34 | b | 46.70 | 34.37 | a | 23.97 | a | 6.50 | c | 33.81 | ||||||
2008 | 0.80 | a | 11.86 | a | 19.03 | 25.15 | j | 37.26 | 46.90 | 56.13 | 53.73 | a | 43.10 | 32.28 | b | 24.77 | 8.90 | b | 30.43 | a | ||||||
2009 | 10.55 | 19.15 | a | 23.42 | 29.50 | b | 41.65 | 45.59 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 28.31 | f | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 8.29 | 15.03 | 25.01 | 31.55 | 40.52 | 48.46 | 56.47 | 54.67 | 44.96 | 34.04 | 23.26 | 9.78 | 33.41 | |||||||||||||
S.D. | 5.80 | 5.18 | 2.96 | 2.34 | 1.46 | 2.48 | 2.11 | 2.59 | 2.43 | 2.10 | 2.03 | 4.28 | 1.58 | |||||||||||||
SKEW | 0.57 | -0.91 | -0.10 | -0.34 | -0.74 | 0.08 | 0.36 | 0.70 | 0.17 | 0.39 | -0.24 | -0.77 | -1.03 | |||||||||||||
MAX | 19.32 | 20.82 | 29.85 | 36.04 | 42.42 | 52.61 | 60.55 | 60.43 | 49.07 | 38.03 | 26.46 | 15.11 | 34.55 | |||||||||||||
MIN | 0.80 | 2.96 | 19.03 | 26.38 | 37.26 | 44.19 | 53.55 | 50.44 | 41.73 | 31.11 | 19.60 | 0.13 | 31.08 | |||||||||||||
YRS | 12 | 13 | 16 | 14 | 18 | 18 | 18 | 17 | 13 | 16 | 9 | 12 | 4 |