| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1991 | ----- | z | ----- | z | ----- | z | ----- | z | 61.87 | 68.43 | 84.29 | 85.71 | 79.73 | 67.35 | 51.10 | a | 44.87 | 67.92 | ||||||||
| 1992 | 46.16 | 52.69 | 59.74 | 63.03 | 75.26 | 80.23 | 81.03 | 85.65 | 75.17 | 67.81 | 49.80 | 39.35 | 64.66 | |||||||||||||
| 1993 | 32.06 | 36.86 | 52.45 | 56.97 | 70.26 | 70.33 | 73.26 | 78.97 | 78.57 | 67.97 | 48.80 | 42.90 | 59.12 | |||||||||||||
| 1994 | 51.71 | 46.46 | 58.58 | 62.03 | 69.52 | 75.90 | 87.90 | 86.15 | r | 79.37 | 62.55 | 43.73 | 44.71 | 62.04 | ||||||||||||
| 1995 | 41.61 | 55.43 | 52.23 | 58.13 | 66.71 | 72.07 | 81.45 | 80.55 | 79.40 | 63.61 | 54.93 | 43.39 | 62.46 | |||||||||||||
| 1996 | 45.90 | 45.10 | 53.58 | 61.47 | ----- | z | 74.17 | 87.35 | 85.87 | 73.63 | 63.61 | 53.80 | 43.48 | 62.54 | ||||||||||||
| 1997 | 44.35 | 46.25 | 55.94 | 56.73 | 71.97 | 72.20 | 81.26 | 84.58 | 75.43 | 62.45 | ----- | z | 45.06 | 63.29 | ||||||||||||
| 1998 | 45.94 | 47.04 | ----- | z | 58.13 | ----- | z | 73.20 | ----- | z | 86.42 | 80.93 | 63.06 | 49.07 | 41.28 | b | 60.56 | |||||||||
| 1999 | 46.48 | 44.96 | 50.58 | ----- | z | 64.52 | 73.23 | 82.19 | 81.29 | 74.93 | 68.58 | 56.67 | 44.45 | 62.54 | ||||||||||||
| 2000 | 41.35 | 47.17 | 54.00 | 64.50 | 67.55 | 78.03 | 82.58 | 85.26 | 74.30 | 61.23 | 43.63 | 42.81 | 61.87 | |||||||||||||
| 2001 | 42.06 | 43.93 | 55.68 | 56.23 | 73.81 | 72.57 | 81.65 | 87.10 | 80.63 | 67.16 | 53.07 | 40.06 | 62.83 | |||||||||||||
| 2002 | 42.77 | 51.43 | 51.32 | 62.47 | 67.71 | ----- | z | 89.65 | 83.23 | 78.76 | a | 63.13 | 54.40 | 42.97 | 62.53 | |||||||||||
| 2003 | 48.29 | ----- | z | 55.97 | 56.03 | 67.06 | 81.67 | 92.16 | 86.87 | ----- | z | 69.03 | 44.73 | 42.39 | 64.42 | |||||||||||
| 2004 | 41.52 | 45.45 | 60.23 | 61.70 | 64.94 | 74.10 | 82.97 | 81.61 | 70.80 | 61.35 | 50.17 | ----- | z | 63.17 | ||||||||||||
| 2005 | 42.52 | 47.50 | 54.39 | 55.40 | 63.90 | 67.40 | ----- | z | 82.74 | 70.83 | 63.32 | 45.63 | 38.65 | 57.48 | ||||||||||||
| 2006 | 44.35 | 42.75 | 46.39 | 56.43 | 66.45 | 73.43 | 85.29 | 79.87 | 74.27 | 61.74 | 47.53 | ----- | z | 61.68 | ||||||||||||
| 2007 | 40.39 | 46.29 | 57.43 | a | 56.67 | 67.52 | 73.47 | 84.90 | ----- | z | 71.80 | 59.52 | 49.90 | 39.65 | 58.87 | |||||||||||
| 2008 | 38.58 | 45.79 | 49.39 | 53.03 | 63.67 | a | 71.20 | 82.71 | 81.00 | 74.10 | ----- | z | 53.83 | 39.52 | 59.35 | |||||||||||
| 2009 | 43.19 | 45.07 | 45.97 | 55.83 | 66.29 | 71.50 | 84.13 | 81.71 | 77.84 | e | 55.19 | 49.33 | 36.06 | 59.34 | ||||||||||||
| 2010 | 43.58 | 45.39 | 52.97 | 52.63 | 58.39 | 68.30 | 81.23 | 79.45 | 71.27 | 62.19 | 46.17 | 40.32 | 58.49 | |||||||||||||
| 2011 | 45.19 | 41.46 | 47.65 | 51.07 | 58.76 | b | 68.67 | 78.32 | 82.84 | 79.13 | 61.81 | 48.27 | 47.39 | 59.21 | ||||||||||||
| 2012 | 45.55 | 45.48 | 48.94 | 57.86 | b | 64.65 | 69.13 | 81.45 | 85.60 | a | 78.00 | 62.90 | 51.10 | a | 40.39 | 60.92 | ||||||||||
| 2013 | 41.16 | 46.46 | 52.55 | 65.50 | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 26.00 | z | 46.72 | ||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 43.40 | 46.14 | 53.14 | 57.82 | 66.54 | 72.82 | 83.29 | 83.32 | 76.14 | 63.60 | 49.79 | 41.98 | 60.99 | |||||||||||||
| S.D. | 3.86 | 3.81 | 4.11 | 3.67 | 4.35 | 3.78 | 4.08 | 2.65 | 3.35 | 3.38 | 3.75 | 2.73 | 2.10 | |||||||||||||
| SKEW | -0.71 | 0.26 | -0.04 | 0.14 | 0.07 | 0.76 | -0.03 | -0.09 | -0.21 | -0.22 | 0.00 | -0.14 | 0.39 | |||||||||||||
| MAX | 51.71 | 55.43 | 60.23 | 64.50 | 75.26 | 81.67 | 92.16 | 87.10 | 80.93 | 69.03 | 56.67 | 47.39 | 64.66 | |||||||||||||
| MIN | 32.06 | 36.86 | 45.97 | 51.07 | 58.39 | 67.40 | 73.26 | 78.97 | 70.80 | 55.19 | 43.63 | 36.06 | 58.49 | |||||||||||||
| NO YRS | 22 | 21 | 21 | 20 | 20 | 21 | 20 | 20 | 21 | 21 | 21 | 20 | 9 | |||||||||||||