| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1985 | ----- | z | 32.21 | 43.00 | b | 54.21 | a | 65.30 | h | 75.31 | d | 78.45 | 80.74 | 64.34 | a | 60.88 | o | 39.33 | i | 30.50 | m | 61.18 | ||||
| 1986 | 36.65 | 37.11 | 48.81 | 54.17 | 65.55 | k | 75.73 | 75.48 | 79.58 | 65.20 | 55.65 | h | 43.39 | l | 33.33 | m | 59.09 | |||||||||
| 1987 | 34.55 | k | 41.94 | l | 43.29 | j | 55.50 | n | ----- | z | 76.90 | 81.03 | 75.94 | 71.83 | 64.33 | j | 38.33 | r | 33.14 | j | 76.43 | |||||
| 1988 | 30.95 | l | 37.94 | m | 43.57 | j | 57.73 | o | 65.62 | o | 78.76 | a | ----- | z | 79.23 | 70.13 | 66.47 | p | 43.44 | n | 29.16 | 64.32 | ||||
| 1989 | 29.48 | 34.57 | 47.42 | 55.93 | 63.95 | j | 72.40 | 82.74 | 75.65 | 73.53 | 60.55 | 45.53 | 30.39 | 55.29 | ||||||||||||
| 1990 | 33.26 | 39.41 | a | 46.35 | 55.67 | 62.26 | 78.73 | 78.61 | 78.90 | 74.83 | 57.97 | ----- | z | ----- | z | 60.60 | ||||||||||
| 1991 | ----- | z | ----- | z | ----- | z | 47.10 | 64.48 | 73.97 | 79.19 | 77.29 | 70.20 | 63.42 | 35.24 | a | 26.87 | 59.75 | |||||||||
| 1992 | 28.19 | 36.45 | 43.65 | 55.83 | 65.81 | 71.77 | 75.45 | 76.19 | 69.63 | 63.53 | n | 29.94 | l | 27.39 | 55.04 | |||||||||||
| 1993 | 30.13 | 30.54 | 39.81 | 44.97 | 59.81 | 70.10 | 74.32 | 74.29 | 64.57 | 52.84 | 33.23 | 27.97 | 50.21 | |||||||||||||
| 1994 | 29.68 | 31.14 | 43.84 | 49.90 | 62.77 | 72.57 | 78.68 | 75.61 | 66.00 | 51.68 | 35.10 | 29.26 | 52.19 | |||||||||||||
| 1995 | 27.58 | 37.36 | 40.42 | 44.23 | 52.81 | 66.67 | 71.77 | 75.65 | 66.10 | 49.10 | 38.83 | 28.32 | 49.90 | |||||||||||||
| 1996 | 25.23 | 33.14 | 37.74 | 45.77 | 63.13 | 71.00 | 76.94 | 75.26 | 61.63 | 52.06 | 39.83 | 26.97 | 50.72 | |||||||||||||
| 1997 | 28.48 | 32.18 | 43.03 | 42.67 | 56.71 | 68.80 | 74.84 | 70.90 | 67.03 | 51.81 | 35.23 | 26.71 | 49.87 | |||||||||||||
| 1998 | 30.58 | 32.46 | 38.87 | 46.23 | 63.26 | 66.60 | 78.61 | 73.87 | 70.80 | 52.77 | 39.33 | 29.48 | 51.91 | |||||||||||||
| 1999 | 30.90 | 34.14 | 46.23 | 46.43 | 58.00 | 69.37 | 74.32 | 72.00 | 63.77 | 57.16 | 45.10 | 27.71 | 52.09 | |||||||||||||
| 2000 | 30.39 | 35.76 | 42.71 | 53.20 | 64.58 | 72.47 | 79.23 | 77.52 | 67.13 | 56.32 | 28.23 | 27.58 | 52.93 | |||||||||||||
| 2001 | 27.35 | 34.79 | 39.81 | 51.07 | 62.87 | 72.77 | 79.45 | 73.71 | 68.43 | 55.06 | 39.97 | 26.61 | 52.66 | |||||||||||||
| 2002 | 26.71 | 28.36 | 37.26 | 55.63 | 63.65 | 77.07 | 82.03 | 76.13 | 65.53 | 51.45 | 32.50 | 28.68 | 52.08 | |||||||||||||
| 2003 | 34.42 | 31.57 | 39.13 | 50.93 | 61.10 | 69.70 | 82.19 | 76.29 | 64.70 | 59.55 | 35.03 | 31.23 | 52.99 | |||||||||||||
| 2004 | 27.90 | 30.45 | 45.55 | 51.37 | 62.00 | 69.33 | 73.87 | 71.32 | 63.90 | 51.03 | 38.13 | 27.77 | 51.05 | |||||||||||||
| 2005 | 32.74 | 33.04 | 37.87 | 49.57 | 61.48 | 68.17 | 79.52 | 72.26 | 68.57 | 55.03 | ----- | z | ----- | z | 55.82 | |||||||||||
| 2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.23 | 77.52 | 73.29 | 58.97 | 49.23 | 38.67 | 28.32 | 57.32 | ||||||||
| 2007 | 24.16 | 33.00 | 44.77 | a | 51.60 | 60.71 | 72.67 | 79.71 | 76.16 | 66.57 | 52.97 | 42.60 | 26.39 | 52.61 | ||||||||||||
| 2008 | 22.74 | 29.97 | 37.55 | 43.93 | 56.65 | 70.70 | 78.16 | 74.23 | 66.20 | 55.81 | 42.38 | f | 27.65 | 51.23 | ||||||||||||
| 2009 | 27.52 | 34.39 | 41.19 | 45.60 | 61.77 | 66.17 | 74.94 | 72.19 | 66.00 | 48.29 | 40.47 | 23.23 | 50.15 | |||||||||||||
| 2010 | 28.45 | 28.57 | 41.68 | 48.87 | 55.90 | 73.37 | 77.39 | 73.26 | 69.67 | 55.58 | 33.87 | 33.42 | 51.67 | |||||||||||||
| 2011 | 26.45 | 28.79 | 42.37 | a | 47.13 | 53.94 | 72.00 | 75.68 | 75.52 | 66.13 | 51.35 | 36.60 | 28.71 | 50.39 | ||||||||||||
| 2012 | 31.19 | 33.52 | 47.13 | a | 56.73 | 64.40 | a | ----- | z | 77.84 | 74.71 | 67.73 | 54.77 | 41.73 | 29.65 | 52.67 | ||||||||||
| 2013 | 25.81 | 29.71 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 27.76 | |||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 29.00 | 32.90 | 42.34 | 49.95 | 60.82 | 72.16 | 77.70 | 75.27 | 67.11 | 54.17 | 37.76 | 28.24 | 51.46 | |||||||||||||
| S.D. | 3.25 | 2.92 | 3.45 | 4.39 | 3.63 | 3.54 | 2.75 | 2.50 | 3.45 | 3.82 | 4.34 | 1.97 | 1.12 | |||||||||||||
| SKEW | 0.36 | 0.31 | 0.16 | 0.04 | -0.80 | 0.16 | -0.11 | 0.29 | 0.12 | 0.61 | -0.10 | 0.22 | -0.15 | |||||||||||||
| MAX | 36.65 | 39.41 | 48.81 | 56.73 | 65.81 | 78.76 | 82.74 | 80.74 | 74.83 | 63.42 | 45.53 | 33.42 | 52.99 | |||||||||||||
| MIN | 22.74 | 28.36 | 37.26 | 42.67 | 52.81 | 66.17 | 71.77 | 70.90 | 58.97 | 48.29 | 28.23 | 23.23 | 49.87 | |||||||||||||
| NO YRS | 24 | 25 | 24 | 25 | 22 | 27 | 27 | 28 | 28 | 23 | 20 | 23 | 16 | |||||||||||||