| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1988 | ----- | z | ----- | z | ----- | z | 59.05 | i | 66.50 | a | 77.27 | 89.03 | b | 86.47 | a | 78.57 | 75.43 | a | 44.70 | 39.97 | 69.74 | |||||
| 1989 | 35.28 | b | 35.50 | 47.33 | a | 62.74 | c | 65.15 | k | 75.80 | e | 82.89 | m | 79.65 | 75.00 | a | 62.23 | 52.57 | b | 45.55 | 57.16 | |||||
| 1990 | 41.87 | a | 41.78 | e | 52.31 | e | 63.38 | f | 67.44 | o | 82.50 | r | 85.87 | ----- | z | 80.12 | e | 64.17 | m | 49.90 | 35.03 | a | 55.27 | |||
| 1991 | 44.86 | b | 53.58 | d | 45.57 | a | 54.97 | 60.87 | 71.76 | a | 86.87 | 85.74 | d | 82.36 | e | 81.31 | o | 50.39 | b | 43.77 | 61.89 | |||||
| 1992 | 44.47 | a | 51.11 | a | 57.87 | 61.07 | b | ----- | z | 80.15 | c | 84.06 | 87.37 | a | 76.08 | r | 67.38 | g | 48.97 | 32.63 | a | 60.86 | ||||
| 1993 | 31.66 | b | 37.36 | 51.42 | 54.30 | 67.45 | 70.53 | 75.94 | 80.32 | 78.67 | 66.10 | 48.83 | 41.77 | a | 58.69 | |||||||||||
| 1994 | 46.74 | 42.64 | 58.45 | 60.83 | 69.10 | 77.07 | 90.35 | 85.90 | 79.73 | 63.61 | 38.80 | 38.29 | 62.63 | |||||||||||||
| 1995 | 41.61 | 54.11 | 47.45 | 54.13 | 64.19 | 70.47 | 81.58 | 81.71 | 77.36 | p | 67.10 | 57.03 | 41.97 | 60.12 | ||||||||||||
| 1996 | 40.68 | 45.86 | 53.29 | 57.77 | 63.45 | i | 75.86 | i | 94.00 | z | ----- | z | ----- | z | 70.00 | v | 53.93 | 41.37 | l | 50.31 | ||||||
| 1997 | 40.94 | 45.56 | j | 56.00 | 56.72 | a | ----- | z | ----- | z | ----- | z | ----- | z | 60.00 | z | ----- | z | ----- | z | ----- | z | 51.22 | |||
| 1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.24 | m | 45.45 | b | 45.45 | |
| 2013 | 40.25 | w | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.00 | z | 9999.00 | |
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 40.90 | 45.24 | 52.19 | 57.82 | 65.62 | 74.72 | 84.82 | 83.88 | 79.07 | 66.89 | 49.46 | 40.49 | 60.66 | |||||||||||||
| S.D. | 4.76 | 7.16 | 4.71 | 3.36 | 3.19 | 3.81 | 4.89 | 3.21 | 2.42 | 5.15 | 5.30 | 4.49 | 2.78 | |||||||||||||
| SKEW | -0.81 | 0.00 | -0.03 | 0.25 | -0.52 | 0.04 | -0.74 | -0.31 | -0.47 | 0.99 | -0.68 | -0.54 | 0.00 | |||||||||||||
| MAX | 46.74 | 54.11 | 58.45 | 62.74 | 69.10 | 80.15 | 90.35 | 87.37 | 82.36 | 75.43 | 57.03 | 45.55 | 62.63 | |||||||||||||
| MIN | 31.66 | 35.50 | 45.57 | 54.13 | 60.87 | 70.47 | 75.94 | 79.65 | 75.00 | 62.23 | 38.80 | 32.63 | 58.69 | |||||||||||||
| NO YRS | 9 | 8 | 9 | 8 | 5 | 7 | 7 | 7 | 6 | 5 | 9 | 9 | 2 | |||||||||||||