YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1983 | ----- | z | ----- | z | ----- | z | ----- | z | 61.90 | 72.76 | a | 83.14 | b | 85.80 | a | 75.07 | a | 60.39 | 42.17 | 28.52 | 63.72 | d | ||||
1984 | 24.90 | 34.41 | b | 43.56 | d | 53.57 | b | 71.48 | 74.00 | 85.70 | a | 83.26 | 72.97 | a | 53.77 | 44.93 | 31.42 | 56.16 | ||||||||
1985 | 28.28 | b | 30.96 | a | 44.83 | a | 62.57 | 69.68 | 80.86 | a | 84.86 | b | 85.10 | a | 67.52 | a | 58.68 | 40.97 | 32.74 | 57.25 | ||||||
1986 | 36.03 | 40.35 | b | 54.52 | 56.62 | a | 65.43 | c | 81.75 | b | 82.71 | 83.72 | b | 67.72 | a | 57.48 | 44.86 | a | 34.94 | 58.84 | ||||||
1987 | 31.06 | 38.46 | 43.77 | 64.17 | a | 66.29 | 78.46 | b | 78.15 | d | 78.23 | 74.07 | a | 62.06 | 42.47 | 32.16 | 57.45 | |||||||||
1988 | 28.48 | 36.76 | 45.48 | 59.59 | c | 68.55 | 81.53 | 86.79 | b | 83.89 | d | 71.64 | b | 67.71 | 42.38 | a | 32.00 | 58.73 | ||||||||
1989 | 30.13 | 30.39 | 51.23 | 62.47 | 69.26 | 77.48 | a | 88.57 | c | 80.93 | a | 74.33 | 60.32 | 47.37 | c | 35.42 | 58.99 | |||||||||
1990 | 36.16 | 38.06 | k | 49.16 | 62.04 | c | 66.03 | 76.96 | d | 82.70 | a | 81.13 | a | 76.80 | e | 62.47 | a | 45.96 | d | 27.23 | e | 60.60 | a | |||
1991 | 29.54 | c | 41.29 | d | 47.52 | d | 56.11 | c | 66.22 | d | 77.22 | g | 82.37 | a | 80.83 | a | 71.86 | a | 62.48 | 41.52 | c | 29.75 | c | 55.41 | a | |
1992 | 29.94 | 40.41 | 51.13 | 65.30 | c | 68.97 | 75.13 | 79.13 | 81.97 | 74.27 | d | 63.26 | 37.60 | 29.68 | 58.06 | |||||||||||
1993 | 31.65 | 32.32 | 46.52 | 55.97 | 67.42 | 73.23 | 81.74 | d | 78.03 | b | 72.41 | a | 57.00 | 39.67 | 33.90 | a | 55.82 | |||||||||
1994 | 39.68 | 37.43 | 52.74 | 59.13 | 71.42 | 82.73 | 87.42 | 85.45 | 75.30 | 55.00 | 38.80 | 34.45 | 59.96 | |||||||||||||
1995 | 34.06 | 45.54 | 49.42 | 55.77 | 58.74 | 71.37 | 80.19 | 83.94 | 73.60 | 60.74 | 52.13 | 39.87 | 58.78 | |||||||||||||
1996 | 35.94 | 40.00 | 50.55 | 59.13 | 67.84 | 79.43 | 85.71 | 85.23 | 71.87 | 58.77 | 45.43 | 35.42 | 59.61 | |||||||||||||
1997 | 34.52 | 35.57 | 49.13 | 51.73 | 68.06 | 77.70 | 82.61 | 80.29 | 70.43 | b | 59.61 | 43.53 | 32.00 | 57.10 | ||||||||||||
1998 | 38.06 | 37.86 | 47.29 | 54.83 | 65.87 | 71.53 | 85.81 | 82.60 | a | 76.77 | 60.39 | 45.20 | 35.48 | 58.47 | ||||||||||||
1999 | 38.87 | 42.61 | 53.58 | 53.67 | 63.97 | b | 75.90 | a | 83.97 | 79.39 | 70.66 | a | 65.53 | a | 52.60 | 36.52 | 59.77 | |||||||||
2000 | 38.42 | 41.03 | 48.35 | 62.75 | b | 73.34 | b | 79.60 | 87.81 | 86.42 | 72.10 | 57.94 | 36.20 | 36.39 | 60.03 | |||||||||||
2001 | 34.68 | 37.71 | 50.61 | 56.20 | 71.03 | b | 81.03 | 85.65 | 84.03 | b | 79.41 | a | 63.13 | 46.27 | 30.65 | 60.03 | ||||||||||
2002 | 30.39 | 35.68 | 45.55 | b | 61.81 | c | 72.14 | b | 84.54 | b | 91.23 | 84.67 | a | 71.90 | 55.32 | 40.70 | 30.35 | 58.69 | ||||||||
2003 | 35.32 | 35.64 | 49.47 | a | 57.77 | 68.26 | 76.28 | a | 91.19 | 85.94 | 74.90 | 69.17 | a | 39.37 | 34.29 | 59.80 | ||||||||||
2004 | 32.70 | a | 34.52 | 56.77 | 59.70 | 68.97 | a | 77.90 | a | 84.19 | 83.00 | c | 72.20 | 57.26 | 41.43 | 35.23 | 58.66 | |||||||||
2005 | 38.55 | 40.32 | 48.90 | 59.00 | 67.16 | 74.17 | 88.79 | b | 80.84 | 72.47 | 61.29 | 47.17 | 34.06 | 59.39 | ||||||||||||
2006 | 36.23 | 40.61 | 45.23 | 61.30 | 71.71 | 82.93 | a | 88.52 | 82.00 | c | 68.47 | 55.06 | 45.30 | 32.97 | 59.19 | |||||||||||
2007 | 27.97 | 39.64 | 54.77 | 60.77 | 71.16 | 83.00 | 90.23 | 87.84 | 74.57 | 59.77 | i | 50.07 | 28.71 | 60.79 | a | |||||||||||
2008 | 27.13 | 35.17 | 43.94 | 55.73 | 66.29 | 83.10 | j | 89.43 | c | 85.71 | 74.40 | 61.97 | 50.90 | 34.29 | 56.81 | a | ||||||||||
2009 | 36.16 | 42.61 | 51.52 | 56.80 | 69.26 | 72.43 | 85.74 | 83.94 | 78.03 | 56.29 | 48.00 | 27.05 | l | 61.89 | a | |||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.26 | 37.89 | 49.06 | 58.63 | 68.02 | 77.71 | 85.35 | 83.12 | 73.18 | 60.12 | 44.18 | 33.02 | 58.61 | |||||||||||||
S.D. | 4.16 | 3.77 | 3.64 | 3.55 | 3.25 | 3.96 | 3.53 | 2.54 | 2.88 | 3.85 | 4.33 | 2.94 | 1.23 | |||||||||||||
SKEW | -0.22 | -0.20 | 0.25 | 0.01 | -0.82 | -0.02 | -0.16 | -0.31 | -0.03 | 0.47 | 0.22 | -0.00 | -0.84 | |||||||||||||
MAX | 39.68 | 45.54 | 56.77 | 65.30 | 73.34 | 84.54 | 91.23 | 87.84 | 79.41 | 69.17 | 52.60 | 39.87 | 60.03 | |||||||||||||
MIN | 24.90 | 30.39 | 43.56 | 51.73 | 58.74 | 71.37 | 78.15 | 78.03 | 67.52 | 53.77 | 36.20 | 27.23 | 55.82 | |||||||||||||
YRS | 26 | 25 | 26 | 26 | 27 | 25 | 27 | 27 | 27 | 26 | 27 | 26 | 21 |