YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1989 | ----- | z | ----- | z | ----- | z | ----- | z | 40.38 | b | 48.29 | f | 52.09 | t | 49.88 | w | 43.97 | 35.68 | i | 31.97 | 26.03 | 35.59 | h | |||
1990 | 28.19 | 23.29 | 28.04 | g | 39.50 | 42.10 | b | 48.50 | 54.87 | 55.00 | 49.57 | 35.58 | 32.00 | 13.68 | 38.39 | a | ||||||||||
1991 | 19.06 | 30.32 | 29.61 | 35.55 | a | 40.81 | 46.53 | 52.58 | 54.61 | 45.63 | 34.48 | 29.07 | 25.79 | b | 37.01 | |||||||||||
1992 | 25.65 | 30.14 | 35.06 | 39.42 | d | 44.13 | a | 51.69 | a | 52.35 | 51.48 | 44.47 | 37.90 | b | 28.97 | 20.48 | 38.48 | |||||||||
1993 | 18.23 | 20.04 | a | 33.26 | 36.20 | 46.97 | a | 50.03 | a | ----- | z | 48.04 | c | 42.00 | b | 38.23 | 22.45 | a | 27.03 | 34.77 | a | |||||
1994 | 29.39 | 23.04 | 29.65 | 38.43 | 45.22 | d | 47.13 | o | 54.68 | 53.26 | 47.10 | 37.20 | a | 26.80 | 23.80 | a | 37.14 | a | ||||||||
1995 | 24.73 | a | 29.39 | 30.70 | a | 35.47 | 44.20 | a | 48.20 | 53.84 | 48.53 | a | 46.68 | b | 32.87 | a | 34.53 | k | ----- | z | 39.46 | b | ||||
1996 | 23.86 | b | 23.19 | c | 28.31 | r | 36.17 | a | 40.40 | a | 46.43 | 54.07 | a | 51.77 | 43.38 | a | 36.97 | a | 29.90 | a | 24.63 | d | 37.34 | a | ||
1997 | 23.30 | d | 27.04 | d | 30.80 | a | 35.57 | 45.07 | b | 49.24 | a | 52.74 | 54.07 | a | 46.96 | c | 36.90 | a | 30.34 | a | 21.71 | c | 37.81 | |||
1998 | 24.86 | c | 21.63 | a | 27.41 | d | 37.15 | c | 45.06 | 49.38 | a | 59.19 | 54.50 | a | 51.38 | a | 36.55 | b | 34.90 | a | 23.68 | f | 40.18 | a | ||
1999 | 29.00 | a | 28.62 | b | 30.47 | a | 33.69 | a | 39.33 | a | 47.83 | 50.90 | 56.29 | 44.27 | 36.07 | c | 33.59 | c | 27.88 | f | 39.10 | a | ||||
2000 | 26.88 | g | 30.21 | e | 32.14 | b | 38.53 | 43.93 | c | 47.77 | 52.74 | d | 51.84 | 44.48 | c | 37.28 | b | 24.48 | c | 23.30 | h | 40.34 | b | |||
2001 | 24.21 | b | 24.47 | i | 31.55 | 34.33 | c | 42.23 | a | 46.21 | a | 54.48 | 53.58 | 47.29 | b | 36.89 | d | 31.96 | c | ----- | z | 40.27 | b | |||
2002 | ----- | z | ----- | z | ----- | z | 34.16 | e | 41.13 | a | 47.86 | b | 50.07 | a | 45.77 | 42.25 | b | 31.85 | d | 29.74 | c | 28.08 | f | 40.35 | d | |
2003 | 28.55 | i | 27.08 | b | 33.00 | e | 36.41 | c | 41.96 | d | 48.79 | a | 56.73 | a | 55.77 | a | 47.00 | b | 40.28 | b | 24.73 | h | 25.04 | e | 41.21 | b |
2004 | 24.42 | g | 26.75 | e | 33.19 | d | 36.48 | e | 42.54 | c | 49.90 | a | 55.10 | a | 54.76 | b | 46.46 | d | 35.86 | j | 30.08 | e | 25.96 | e | 40.12 | b |
2005 | 25.42 | 24.61 | 31.65 | 34.66 | a | 44.60 | a | 45.09 | h | 50.03 | a | 48.76 | n | 43.50 | 39.60 | a | 27.40 | 19.13 | a | 34.06 | b | |||||
2006 | 29.61 | 21.63 | a | 29.27 | a | 34.50 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 28.75 | h | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 25.04 | 25.80 | 31.27 | 36.25 | 42.95 | 48.45 | 53.63 | 52.62 | 45.67 | 36.58 | 29.58 | 23.03 | 37.77 | |||||||||||||
S.D. | 3.57 | 3.52 | 1.99 | 1.82 | 2.14 | 1.54 | 2.45 | 3.07 | 2.50 | 2.24 | 3.30 | 3.99 | 0.74 | |||||||||||||
SKEW | -0.50 | -0.10 | 0.01 | 0.49 | 0.04 | 0.32 | 0.47 | -0.93 | 0.56 | -0.53 | -0.55 | -1.23 | -0.12 | |||||||||||||
MAX | 29.61 | 30.32 | 35.06 | 39.50 | 46.97 | 51.69 | 59.19 | 56.29 | 51.38 | 40.28 | 34.90 | 27.03 | 38.48 | |||||||||||||
MIN | 18.23 | 20.04 | 27.41 | 33.69 | 39.33 | 46.21 | 50.03 | 45.77 | 42.00 | 31.85 | 22.45 | 13.68 | 37.01 | |||||||||||||
YRS | 13 | 15 | 14 | 17 | 17 | 14 | 15 | 15 | 17 | 15 | 15 | 11 | 3 |