Canyon Ferry Reservoir water level history
Daily records since 1989 · Level today: 3,784.53 ft
Highest on record
4,716.98 ft
Jul 7, 1991
Lowest on record
3,666.73 ft
May 14, 1991
Today
3,784.53 ft
Oct 21, 2026
Years of data
37
since 1989
In short
Across 27 complete years, 2021 had the lowest average level (3,783.53 ft) and 1991 the highest (3,843.76 ft).
On average the lake is lowest in April (3,782.54 ft) and highest in July (3,803.52 ft).
Canyon Ferry 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
- 1990
- 2022
- 2018
- 2011
Yearly highs and lows
| Year | Average | Low | Low date | High | High date |
|---|---|---|---|---|---|
| 2026 (292 days) | 3,786.51 | 3,783.07 | Feb 26 | 3,791.34 | Jul 11 |
| 2025 | 3,785.57 | 3,781.31 | Feb 18 | 3,793.82 | Jun 19 |
| 2024 | 3,788.14 | 3,783.66 | Nov 5 | 3,796.38 | Jun 22 |
| 2023 | 3,788.01 | 3,778.96 | Apr 11 | 3,797.19 | Jul 3 |
| 2022 | 3,783.91 | 3,776.77 | Feb 28 | 3,797.19 | Jul 11 |
| 2021 | 3,783.53 | 3,778.62 | Dec 31 | 3,790.27 | Jun 21 |
| 2020 | 3,787.39 | 3,780.27 | Apr 11 | 3,797.66 | Jun 24 |
| 2019 | 3,788.80 | 3,781.65 | Mar 22 | 3,798.16 | Jul 10 |
| 2018 | 3,788.04 | 3,778.18 | Apr 23 | 3,798.95 | Jun 27 |
| 2017 | 3,787.91 | 3,781.92 | Feb 6 | 3,796.99 | Jun 30 |
| 2016 | 3,787.23 | 3,778.68 | May 17 | 3,797.13 | Jun 22 |
| 2015 | 3,787.73 | 3,783.62 | Oct 23 | 3,796.82 | Jun 20 |
| 2014 | 3,787.90 | 3,778.45 | May 4 | 3,797.66 | Jul 6 |
| 2013 | 3,785.11 | 3,781.11 | May 14 | 3,790.26 | Jul 5 |
| 2012 | 3,789.32 | 3,785.73 | Mar 28 | 3,797.44 | Jun 20 |
| 2011 | 3,788.67 | 3,778.21 | May 22 | 3,799.72 | Jul 5 |
| 2010 (301 days) | 3,791.12 | 3,786.47 | Apr 17 | 3,799.28 | Jun 29 |
| 2009 | 3,790.56 | 3,784.48 | Apr 15 | 3,798.89 | Jun 28 |
| 2008 | 3,788.97 | 3,781.42 | Feb 13 | 3,798.35 | Jul 6 |
| 2007 (236 days) | 3,788.70 | 3,783.31 | Dec 31 | 3,796.78 | Jun 22 |
| 2006 (228 days) | 3,784.45 | 3,776.23 | Apr 6 | 3,796.37 | Jun 28 |
| 2005 (301 days) | 3,785.63 | 3,779.84 | Jan 19 | 3,798.53 | Jul 3 |
| 2004 (1 days) | 3,781.62 | 3,781.62 | Dec 31 | 3,781.62 | Dec 31 |
| 2002 | 3,787.61 | 3,780.79 | Mar 10 | 3,796.47 | Jul 9 |
| 2001 | 3,784.23 | 3,780.63 | Oct 17 | 3,789.48 | Jun 26 |
| 2000 | 3,784.56 | 3,781.20 | Sep 25 | 3,790.12 | Jun 29 |
| 1999 | 3,788.24 | 3,779.62 | Apr 19 | 3,796.80 | Jul 10 |
| 1998 | 3,791.23 | 3,785.56 | Apr 25 | 3,799.37 | Jun 30 |
| 1997 (253 days) | 3,791.90 | 3,769.87 | Apr 23 | 3,798.50 | Jun 21 |
| 1996 (238 days) | 3,788.69 | 3,778.76 | Apr 8 | 3,797.84 | Jul 9 |
| 1995 | 3,789.12 | 3,782.19 | Mar 19 | 3,798.82 | Jul 11 |
| 1994 | 3,785.28 | 3,781.43 | Oct 15 | 3,791.42 | Jun 22 |
| 1993 | 3,790.03 | 3,778.84 | Mar 6 | 3,797.92 | Jun 19 |
| 1992 (307 days) | 3,782.15 | 3,698.48 | Mar 24 | 3,786.60 | Jul 20 |
| 1991 | 3,843.76 | 3,666.73 | May 14 | 4,716.98 | Jul 7 |
| 1990 | 3,790.79 | 3,747.09 | Apr 12 | 4,066.32 | Jul 2 |
| 1989 (1 days) | 3,784.03 | 3,784.03 | Dec 31 | 3,784.03 | Dec 31 |
Levels in feet. Partial years show the number of days with data.
Monthly averages
| Month | Average | Lowest | Highest |
|---|---|---|---|
| January | 3,785.09 | 3,777.92 | 3,791.97 |
| February | 3,783.67 | 3,700.00 | 3,891.67 |
| March | 3,782.61 | 3,698.48 | 3,818.84 |
| April | 3,782.54 | 3,747.09 | 3,789.69 |
| May | 3,784.63 | 3,666.73 | 3,793.87 |
| June | 3,795.61 | 3,780.39 | 4,025.38 |
| July | 3,803.52 | 3,786.00 | 4,716.98 |
| August | 3,797.27 | 3,782.81 | 4,113.34 |
| September | 3,790.99 | 3,780.12 | 3,928.19 |
| October | 3,787.66 | 3,779.37 | 3,882.67 |
| November | 3,788.03 | 3,779.47 | 3,877.15 |
| December | 3,787.00 | 3,697.38 | 3,879.89 |
Download
Daily levels as CSV (11,953 rows; credit the original agencies listed below)