Normal season: July 1 through June 30
Average seasonal precipitation: 7.54"(191.4 mm)1
| Season | Precipitation | ||
| 2004-2005 | 24.75" | (628.6 mm) | * |
| 2005-2006 | 6.64" | (168.6 mm) | |
| 2006-2007 | 3.01" | (76.4 mm) | |
| 2007-2008 | 8.55" | (217.1 mm) | |
| 2008-2009 | 7.10" | (180.3 mm) | |
| 2009-2010 | 10.82" | (274.8 mm) | |
| 2010-2011 | 15.19" | (385.8 mm) | |
| 2011-2012 | 6.68" | (169.6 mm) | |
| 2012-2013 | 5.84" | (148.3 mm) | |
| 2013-2014 | 4.99" | (126.7 mm) | |
| 2014-2015 | 6.55" | (166.3 mm) | |
| 2015-2016 | 4.74" | (120.4 mm) | |