Normal season: July 1 through June 30
Average seasonal precipitation: 17.54"(445.4 mm)1
| Season | Precipitation | ||
| 2003-2004 | 0.00" | (0.0 mm) | * |
| 2004-2005 | 37.44" | (951.0 mm) | |
| 2005-2006 | 10.58" | (268.7 mm) | |
| 2006-2007 | 6.10" | (154.9 mm) | |
| 2007-2008 | 16.87" | (428.5 mm) | |
| 2008-2009 | 10.74" | (272.8 mm) | |
| 2009-2010 | 16.65" | (422.9 mm) | |
| 2010-2011 | 24.39" | (619.5 mm) | |
| 2011-2012 | 5.26" | (133.6 mm) | |