Twin Buttes Reservoir water level history
Daily records since 2000 · Level today: 1,894.44 ft
Highest on record
1,934.72 ft
Jun 18, 2019
Lowest on record
1,881.08 ft
Nov 9, 2013
Today
1,894.44 ft
Oct 21, 2026
Years of data
26
since 2000
In short
Across 20 complete years, 2004 had the lowest average level (1,888.81 ft) and 2019 the highest (1,932.28 ft).
On average the lake is lowest in October (1,904.77 ft) and highest in May (1,908.37 ft).
Twin Buttes 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.
- 2001
- 2004
- 2011
- 2018
- 2015
Yearly highs and lows
| Year | Average | Low | Low date | High | High date |
|---|---|---|---|---|---|
| 2026 (293 days) | 1,901.19 | 1,894.51 | Oct 20 | 1,904.75 | Jan 1 |
| 2025 | 1,904.64 | 1,898.12 | Apr 18 | 1,908.72 | Jul 22 |
| 2024 | 1,904.45 | 1,900.66 | Nov 7 | 1,908.20 | Jan 1 |
| 2023 | 1,913.65 | 1,908.11 | Dec 12 | 1,917.72 | Jan 3 |
| 2022 | 1,922.89 | 1,917.42 | Nov 22 | 1,927.75 | Jan 1 |
| 2021 | 1,928.10 | 1,926.26 | Aug 15 | 1,929.22 | Aug 21 |
| 2020 | 1,930.72 | 1,928.01 | Sep 8 | 1,932.88 | Apr 12 |
| 2019 | 1,932.28 | 1,929.48 | Jan 1 | 1,934.72 | Jun 18 |
| 2018 | 1,903.27 | 1,891.44 | Sep 4 | 1,929.46 | Dec 31 |
| 2017 | 1,903.25 | 1,898.43 | Dec 5 | 1,907.03 | Apr 19 |
| 2016 | 1,900.28 | 1,895.54 | Feb 6 | 1,904.39 | Dec 31 |
| 2015 | 1,895.37 | 1,891.83 | Jan 1 | 1,900.87 | Jul 11 |
| 2014 (220 days) | 1,895.46 | 1,891.11 | May 26 | 1,899.62 | Jun 28 |
| 2013 (250 days) | 1,887.24 | 1,881.08 | Nov 9 | 1,891.07 | Jan 23 |
| 2012 (313 days) | 1,889.63 | 1,885.91 | Aug 2 | 1,894.47 | Oct 16 |
| 2011 | 1,898.58 | 1,888.80 | Dec 31 | 1,906.33 | Feb 24 |
| 2010 | 1,910.28 | 1,905.88 | Dec 22 | 1,913.70 | May 2 |
| 2009 | 1,913.58 | 1,909.98 | Sep 9 | 1,916.98 | Jan 1 |
| 2008 | 1,920.87 | 1,916.98 | Dec 31 | 1,924.44 | Apr 11 |
| 2007 | 1,916.38 | 1,909.73 | Jan 1 | 1,922.61 | Dec 31 |
| 2006 | 1,912.89 | 1,908.71 | Aug 26 | 1,917.01 | May 3 |
| 2005 | 1,911.85 | 1,905.70 | Jan 1 | 1,915.03 | Dec 31 |
| 2004 | 1,888.81 | 1,885.75 | Sep 23 | 1,905.61 | Dec 31 |
| 2003 (157 days) | 1,887.03 | 1,885.87 | Dec 30 | 1,888.70 | Apr 1 |
| 2002 (273 days) | 1,889.38 | 1,885.79 | Sep 30 | 1,891.47 | Apr 1 |
| 2001 | 1,890.67 | 1,883.60 | Aug 27 | 1,895.07 | Apr 22 |
| 2000 (92 days) | 1,888.99 | 1,884.57 | Oct 23 | 1,890.73 | Nov 11 |
Levels in feet. Partial years show the number of days with data.
Monthly averages
| Month | Average | Lowest | Highest |
|---|---|---|---|
| January | 1,907.38 | 1,885.85 | 1,931.81 |
| February | 1,907.61 | 1,886.17 | 1,932.09 |
| March | 1,907.23 | 1,886.61 | 1,932.73 |
| April | 1,908.05 | 1,887.36 | 1,932.88 |
| May | 1,908.37 | 1,887.27 | 1,934.41 |
| June | 1,907.50 | 1,886.70 | 1,934.72 |
| July | 1,906.81 | 1,885.96 | 1,934.65 |
| August | 1,904.89 | 1,883.60 | 1,933.96 |
| September | 1,904.91 | 1,882.22 | 1,932.56 |
| October | 1,904.77 | 1,882.03 | 1,931.62 |
| November | 1,906.56 | 1,881.08 | 1,931.16 |
| December | 1,907.33 | 1,885.87 | 1,931.44 |
Download
Daily levels as CSV (8,848 rows; credit the original agencies listed below)