Normal season: July 1 through June 30
Average seasonal precipitation: 16.26"(413.0 mm)1
| Season | Precipitation | ||
| 2005-2006 | 13.06" | (331.7 mm) | |
| 2006-2007 | 4.15" | (105.4 mm) | |
| 2007-2008 | 17.29" | (439.1 mm) | |
| 2008-2009 | 12.44" | (316.0 mm) | |
| 2009-2010 | 18.29" | (464.5 mm) | |
| 2010-2011 | 32.32" | (820.8 mm) | |
| 2011-2012 | 6.85" | (174.0 mm) | |