Normal season: July 1 through June 30
Average seasonal precipitation: 8.19"(208.0 mm)1
| Season | Precipitation | ||
| 2005-2006 | 4.69" | (119.1 mm) | * |
| 2006-2007 | 2.15" | (54.6 mm) | |
| 2007-2008 | 7.35" | (186.6 mm) | |
| 2008-2009 | 6.68" | (169.6 mm) | |
| 2009-2010 | 10.21" | (259.3 mm) | |
| 2010-2011 | 14.55" | (369.5 mm) | |
| 2011-2012 | 3.09" | (78.4 mm) | |