YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1986 | 34.13 | 40.39 | 53.97 | b | 55.17 | a | 65.45 | 80.96 | b | 82.10 | a | 84.48 | b | 68.93 | a | 57.37 | a | 44.24 | a | 37.71 | 58.74 | |||||
1987 | 32.42 | 40.21 | ----- | z | 60.79 | b | 67.03 | b | 81.50 | f | 84.46 | c | 81.59 | b | 77.58 | f | 64.93 | b | 43.86 | a | 32.13 | 56.38 | c | |||
1988 | 25.32 | 35.79 | 44.63 | a | 58.52 | a | 68.32 | 82.67 | f | 88.11 | d | 85.56 | f | 71.67 | 69.42 | 44.10 | a | 32.87 | a | 53.88 | b | |||||
1989 | 27.57 | a | 26.78 | a | 51.52 | 62.53 | 70.53 | a | 77.08 | e | 88.88 | e | 82.10 | k | 74.96 | g | 62.15 | d | 50.50 | r | 32.22 | m | 58.38 | d | ||
1990 | 37.31 | b | 37.69 | o | 51.11 | m | 63.48 | c | 67.89 | d | 82.85 | j | 85.10 | a | 84.77 | a | 78.04 | e | 60.04 | d | 46.30 | 27.72 | b | 61.18 | c | |
1991 | 24.47 | a | 39.58 | b | 45.40 | a | 54.27 | 67.28 | b | 78.43 | b | 85.10 | a | 83.84 | 73.13 | 63.06 | 39.42 | d | 28.77 | 56.90 | ||||||
1992 | 26.77 | 39.74 | b | 51.13 | 61.50 | x | 70.29 | n | 77.42 | d | 79.30 | h | 82.97 | a | 75.20 | 65.14 | b | 35.80 | e | 29.57 | a | 53.75 | c | |||
1993 | 29.00 | 29.68 | 45.97 | 53.40 | 67.50 | e | 77.18 | b | ----- | z | 80.12 | g | 73.26 | c | 57.77 | a | 40.70 | c | 33.93 | a | 50.84 | b | ||||
1994 | 37.71 | 36.54 | 53.07 | d | 59.78 | g | 72.48 | 84.12 | f | 88.29 | c | 85.97 | b | 79.05 | k | ----- | z | 32.50 | v | ----- | z | 62.34 | f | |||
1995 | 31.68 | l | 53.27 | m | 51.00 | g | 56.93 | a | 59.00 | 72.00 | a | 81.57 | c | 83.19 | 72.22 | c | 59.00 | d | 54.21 | b | 45.11 | c | 64.80 | c | ||
1996 | 38.11 | c | 41.14 | a | 50.34 | b | 57.68 | b | 69.57 | c | 79.96 | d | 86.29 | c | 84.41 | b | 72.00 | c | 58.27 | a | 46.13 | 35.27 | a | 59.93 | ||
1997 | 31.97 | a | 34.68 | 49.67 | a | 50.23 | 68.58 | 79.13 | 83.73 | a | 80.84 | 71.63 | 60.23 | a | 42.90 | 29.90 | 56.96 | |||||||||
1998 | 38.43 | a | 38.76 | c | 45.58 | 53.57 | 68.59 | b | 71.72 | a | 86.58 | 83.93 | a | 78.07 | 59.43 | a | 46.93 | 33.59 | b | 58.77 | ||||||
1999 | 38.74 | 41.46 | 55.03 | a | 52.60 | 63.53 | a | 77.70 | 84.94 | 81.10 | 71.93 | 66.06 | 55.30 | 35.52 | 60.33 | |||||||||||
2000 | 38.61 | 41.28 | 48.23 | 61.97 | 71.68 | 80.47 | 88.26 | d | 87.35 | ----- | z | 61.26 | 35.37 | 35.93 | a | 59.13 | a | |||||||||
2001 | 32.35 | 37.71 | 49.07 | a | 58.30 | 69.42 | 82.43 | 88.07 | a | 84.53 | a | 78.79 | a | 63.33 | a | 50.17 | 30.23 | a | 60.37 | |||||||
2002 | 31.06 | 34.11 | 44.52 | 62.03 | 70.53 | a | 84.47 | 90.00 | 84.70 | a | 73.80 | 60.38 | b | 43.00 | 34.16 | 59.40 | ||||||||||
2003 | 36.19 | 38.56 | a | 49.65 | 61.63 | 71.87 | 80.73 | 96.61 | 91.00 | 76.70 | 71.39 | 40.47 | 35.42 | 62.52 | ||||||||||||
2004 | 32.71 | 35.86 | 57.68 | 61.63 | 71.87 | 82.37 | 89.10 | 86.10 | 75.80 | 61.13 | a | 44.90 | 37.58 | 61.39 | ||||||||||||
2005 | 39.00 | 40.21 | 49.13 | a | 60.80 | 70.94 | 76.77 | 92.84 | 86.52 | 77.17 | 64.55 | b | 49.21 | a | 36.06 | 61.93 | ||||||||||
2006 | 41.63 | a | 42.19 | a | 47.71 | 64.30 | 74.77 | a | 86.47 | 91.16 | 85.32 | 70.83 | 57.19 | 47.80 | 32.74 | 61.84 | ||||||||||
2007 | 24.81 | 40.75 | 53.55 | 61.43 | 72.23 | 85.47 | 92.97 | 88.45 | 77.27 | 61.06 | 53.33 | 26.37 | a | 61.47 | ||||||||||||
2008 | 26.10 | 35.14 | 44.71 | 54.73 | 66.34 | b | 80.53 | 90.48 | 87.67 | a | 74.30 | 64.53 | a | 50.63 | 34.00 | 59.10 | ||||||||||
2009 | 35.07 | a | 41.82 | 51.23 | a | 57.10 | a | 71.06 | 78.60 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.81 | f | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.02 | 37.84 | 49.61 | 58.32 | 68.98 | 79.49 | 87.84 | 84.94 | 74.25 | 62.17 | 45.47 | 33.55 | 59.97 | |||||||||||||
S.D. | 5.32 | 3.99 | 3.73 | 4.02 | 3.39 | 3.82 | 3.76 | 2.51 | 2.86 | 3.76 | 5.50 | 4.13 | 1.78 | |||||||||||||
SKEW | -0.22 | -1.27 | 0.31 | -0.33 | -1.03 | -0.22 | 0.38 | 0.44 | 0.04 | 0.77 | -0.00 | 0.65 | -0.35 | |||||||||||||
MAX | 41.63 | 42.19 | 57.68 | 64.30 | 74.77 | 86.47 | 96.61 | 91.00 | 78.79 | 71.39 | 55.30 | 45.11 | 62.52 | |||||||||||||
MIN | 24.47 | 26.78 | 44.52 | 50.23 | 59.00 | 71.72 | 81.57 | 80.84 | 68.93 | 57.19 | 35.37 | 26.37 | 56.90 | |||||||||||||
YRS | 23 | 22 | 21 | 22 | 23 | 20 | 21 | 20 | 19 | 22 | 21 | 21 | 14 |