Normal season: July 1 through June 30
Average seasonal precipitation: 12.76"(324.1 mm)1
| Season | Precipitation | ||
| 2002-2003 | 12.98" | (329.6 mm) | * |
| 2003-2004 | 9.44" | (239.8 mm) | |
| 2004-2005 | 30.76" | (781.3 mm) | |
| 2005-2006 | 9.97" | (253.3 mm) | |
| 2006-2007 | 4.22" | (107.0 mm) | |
| 2007-2008 | 10.65" | (270.6 mm) | |
| 2008-2009 | 7.71" | (195.9 mm) | |
| 2009-2010 | 12.89" | (327.5 mm) | |
| 2010-2011 | 16.44" | (417.4 mm) | |
| 2011-2012 | 4.13" | (105.0 mm) | |