Normal season: July 1 through June 30
Average seasonal precipitation: 12.16"(308.7 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 | 9.26" | (235.2 mm) | |
| 2012-2013 | 5.56" | (141.2 mm) | |
| 2013-2014 | 4.32" | (109.7 mm) | |
| 2014-2015 | 6.81" | (173.0 mm) | |
| 2015-2016 | 10.10" | (256.5 mm) | |
| 2016-2017 | 19.95" | (506.7 mm) | |
| 2017-2018 | 4.91" | (124.7 mm) | |
| 2018-2019 | 24.86" | (631.4 mm) | |
| 2019-2020 | 17.20" | (436.8 mm) | |
| 2020-2021 | 2.52" | (64.0 mm) | |
| 2021-2022 | 3.18" | (80.7 mm) | |
| 2022-2023 | 27.74" | (704.6 mm) | |
| 2023-2024 | 20.68" | (525.2 mm) | |
| 2024-2025 | 9.10" | (231.1 mm) | |
| 2025-2026 | 0.86" | (21.8 mm) | |