Normal season: July 1 through June 30
Average seasonal precipitation: 12.82"(325.7 mm)1
| Season | Precipitation | ||
| 2004-2005 | 14.22" | (361.1 mm) | * |
| 2005-2006 | 10.30" | (261.6 mm) | |
| 2006-2007 | 2.22" | (56.3 mm) | |
| 2007-2008 | 12.73" | (323.3 mm) | |
| 2008-2009 | 11.05" | (280.6 mm) | |
| 2009-2010 | 15.76" | (400.3 mm) | |
| 2010-2011 | 24.88" | (632.0 mm) | |
| 2011-2012 | 4.80" | (121.9 mm) | |