Dillon Lake water level history
Daily records since 2020 · Level today: 737.79 ft
Highest on record
771.36 ft
Feb 26, 2022
Lowest on record
734.23 ft
Jan 25, 2021
Today
737.79 ft
Oct 21, 2026
Years of data
6
since 2020
In short
Across 5 complete years, 2021 had the lowest average level (737.15 ft) and 2022 the highest (739.09 ft).
On average the lake is lowest in December (735.99 ft) and highest in April (741.77 ft).
Dillon Lake 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.
- 2021
- 2024
- 2022
- 2023
- 2025
Yearly highs and lows
| Year | Average | Low | Low date | High | High date |
|---|---|---|---|---|---|
| 2026 (292 days) | 739.21 | 735.49 | Apr 4 | 758.72 | May 28 |
| 2025 | 738.56 | 734.92 | Mar 2 | 760.09 | Apr 7 |
| 2024 | 738.84 | 734.44 | Feb 11 | 770.27 | Apr 6 |
| 2023 | 737.26 | 734.47 | Feb 12 | 750.24 | Mar 26 |
| 2022 | 739.09 | 734.45 | Jan 9 | 771.36 | Feb 26 |
| 2021 | 737.15 | 734.23 | Jan 25 | 748.39 | May 11 |
| 2020 (138 days) | 736.79 | 734.38 | Dec 30 | 738.07 | Sep 15 |
Levels in feet. Partial years show the number of days with data.
Monthly averages
| Month | Average | Lowest | Highest |
|---|---|---|---|
| January | 736.65 | 734.23 | 744.27 |
| February | 737.99 | 734.27 | 771.36 |
| March | 738.89 | 734.45 | 768.58 |
| April | 741.77 | 735.37 | 770.27 |
| May | 740.35 | 737.47 | 758.72 |
| June | 738.22 | 737.36 | 752.23 |
| July | 737.97 | 737.21 | 740.06 |
| August | 738.58 | 737.33 | 756.24 |
| September | 737.93 | 737.28 | 742.18 |
| October | 737.88 | 737.35 | 743.00 |
| November | 736.59 | 734.57 | 742.01 |
| December | 735.99 | 734.38 | 739.01 |
Download
Daily levels as CSV (2,256 rows; credit the original agencies listed below)