Clark Canyon Reservoir water level history
Daily records since 1989 · Level today: 5,517.26 ft
Highest on record
5,803.73 ft
Jun 11, 1991
Lowest on record
5,399.69 ft
Nov 3, 1991
Today
5,517.26 ft
Oct 21, 2026
Years of data
37
since 1989
In short
Across 32 complete years, 2004 had the lowest average level (5,508.52 ft) and 2011 the highest (5,545.54 ft).
On average the lake is lowest in September (5,522.94 ft) and highest in May (5,536.85 ft).
Clark Canyon Reservoir level, all years
Loading chart…
Measured
Normal range for the date (middle 50% of past years)
Full pool
Lowest years
Years ranked by their lowest daily level.
- 1991
- 2004
- 2001
- 1990
- 2005
Yearly highs and lows
| Year | Average | Low | Low date | High | High date |
|---|---|---|---|---|---|
| 2026 (292 days) | 5,524.18 | 5,513.59 | Sep 3 | 5,532.15 | May 3 |
| 2025 | 5,529.82 | 5,514.75 | Sep 26 | 5,540.69 | May 6 |
| 2024 | 5,537.65 | 5,527.78 | Sep 26 | 5,546.37 | Apr 11 |
| 2023 | 5,533.84 | 5,524.84 | Jan 1 | 5,541.78 | Dec 31 |
| 2022 | 5,522.98 | 5,511.99 | Sep 5 | 5,529.51 | May 6 |
| 2021 | 5,527.83 | 5,514.07 | Sep 20 | 5,540.19 | Apr 30 |
| 2020 | 5,536.55 | 5,527.56 | Sep 29 | 5,544.61 | May 1 |
| 2019 | 5,539.13 | 5,531.24 | Sep 11 | 5,546.50 | May 2 |
| 2018 | 5,543.03 | 5,537.53 | Oct 4 | 5,550.95 | Jun 26 |
| 2017 | 5,534.19 | 5,526.65 | Jan 1 | 5,540.66 | Jun 21 |
| 2016 | 5,526.07 | 5,513.90 | Sep 21 | 5,535.65 | May 4 |
| 2015 | 5,526.62 | 5,515.41 | Sep 22 | 5,534.94 | Apr 30 |
| 2014 | 5,525.47 | 5,517.13 | Sep 26 | 5,531.87 | May 8 |
| 2013 | 5,527.23 | 5,512.83 | Sep 26 | 5,538.89 | Apr 29 |
| 2012 | 5,535.93 | 5,523.42 | Sep 25 | 5,546.57 | May 2 |
| 2011 | 5,545.54 | 5,540.54 | Oct 24 | 5,555.99 | Jul 18 |
| 2010 | 5,543.61 | 5,539.37 | Oct 13 | 5,549.06 | Jul 5 |
| 2009 | 5,539.48 | 5,529.12 | Jan 1 | 5,546.49 | Jul 1 |
| 2008 (280 days) | 5,526.99 | 5,516.92 | Sep 4 | 5,535.92 | May 10 |
| 2007 | 5,527.95 | 5,517.14 | Sep 13 | 5,537.45 | Apr 30 |
| 2006 | 5,526.83 | 5,517.24 | Sep 8 | 5,535.64 | May 10 |
| 2005 | 5,515.89 | 5,508.19 | Aug 25 | 5,524.14 | Dec 31 |
| 2004 | 5,508.52 | 5,498.58 | Aug 22 | 5,516.75 | Apr 27 |
| 2003 (161 days) | 5,516.75 | 5,500.16 | Jul 20 | 5,522.16 | May 16 |
| 2002 (275 days) | 5,514.65 | 5,491.35 | Aug 30 | 5,526.98 | May 3 |
| 2001 | 5,521.71 | 5,504.20 | Sep 5 | 5,535.52 | May 4 |
| 2000 | 5,532.21 | 5,517.34 | Sep 21 | 5,545.23 | Apr 22 |
| 1999 | 5,540.48 | 5,534.70 | Sep 1 | 5,546.48 | Jun 21 |
| 1998 | 5,544.19 | 5,539.70 | Sep 24 | 5,551.08 | Jul 11 |
| 1997 | 5,541.90 | 5,539.65 | May 24 | 5,545.60 | Jul 8 |
| 1996 | 5,538.92 | 5,531.98 | Sep 13 | 5,542.99 | Mar 17 |
| 1995 | 5,542.71 | 5,531.66 | Jan 1 | 5,553.68 | Jul 18 |
| 1994 | 5,535.12 | 5,523.11 | Sep 26 | 5,546.66 | May 3 |
| 1993 | 5,530.14 | 5,520.46 | Jan 1 | 5,540.44 | Dec 31 |
| 1992 (312 days) | 5,523.97 | 5,509.84 | Sep 25 | 5,548.10 | Mar 30 |
| 1991 | 5,526.94 | 5,399.69 | Nov 3 | 5,803.73 | Jun 11 |
| 1990 | 5,522.39 | 5,507.06 | Aug 14 | 5,531.88 | May 7 |
| 1989 (1 days) | 5,522.20 | 5,522.20 | Dec 31 | 5,522.20 | Dec 31 |
Levels in feet. Partial years show the number of days with data.
Monthly averages
| Month | Average | Lowest | Highest |
|---|---|---|---|
| January | 5,532.42 | 5,509.70 | 5,544.16 |
| February | 5,533.35 | 5,510.77 | 5,544.01 |
| March | 5,534.92 | 5,513.70 | 5,548.10 |
| April | 5,536.73 | 5,516.00 | 5,546.99 |
| May | 5,536.85 | 5,513.89 | 5,548.82 |
| June | 5,535.35 | 5,508.50 | 5,803.73 |
| July | 5,531.28 | 5,500.01 | 5,555.99 |
| August | 5,525.78 | 5,470.58 | 5,553.87 |
| September | 5,522.94 | 5,491.47 | 5,547.65 |
| October | 5,524.77 | 5,495.77 | 5,543.20 |
| November | 5,528.46 | 5,399.69 | 5,543.92 |
| December | 5,531.00 | 5,507.64 | 5,544.12 |
Download
Daily levels as CSV (12,946 rows; credit the original agencies listed below)