Normal season: July 1 through June 30
Average seasonal precipitation: 14.21"(360.8 mm)1
| Season | Precipitation | ||
| 2000-2001 | 11.11" | (282.1 mm) | * |
| 2001-2002 | 3.87" | (98.3 mm) | |
| 2002-2003 | 15.42" | (391.6 mm) | |
| 2003-2004 | 9.13" | (231.9 mm) | |
| 2004-2005 | 32.63" | (828.8 mm) | |
| 2005-2006 | 10.29" | (261.3 mm) | |
| 2006-2007 | 3.75" | (95.2 mm) | |
| 2007-2008 | 16.52" | (419.6 mm) | |
| 2008-2009 | 11.73" | (297.9 mm) | |
| 2009-2010 | 15.76" | (400.3 mm) | |
| 2010-2011 | 22.98" | (583.6 mm) | |
| 2011-2012 | 4.48" | (113.7 mm) | |