Delaware Lake water level history
Daily records since 2020 · Level today: 915.30 ft
Highest on record
937.22 ft
Apr 8, 2025
Lowest on record
905.60 ft
Dec 2, 2022
Today
915.30 ft
Oct 21, 2026
Years of data
6
since 2020
In short
Across 5 complete years, 2023 had the lowest average level (914.16 ft) and 2025 the highest (914.91 ft).
On average the lake is lowest in December (911.52 ft) and highest in April (917.60 ft).
Delaware Lake level, all years
Loading chart…
Measured
Normal range for the date (middle 50% of past years)
Lowest years
Years ranked by their lowest daily level.
- 2022
- 2021
- 2023
- 2025
- 2024
Yearly highs and lows
| Year | Average | Low | Low date | High | High date |
|---|---|---|---|---|---|
| 2026 (292 days) | 916.39 | 914.91 | Mar 26 | 933.49 | May 28 |
| 2025 | 914.91 | 910.21 | Jan 27 | 937.22 | Apr 8 |
| 2024 | 914.32 | 910.36 | Mar 25 | 934.21 | Apr 7 |
| 2023 | 914.16 | 910.20 | Mar 22 | 926.52 | Mar 27 |
| 2022 | 914.40 | 905.60 | Dec 2 | 935.69 | Feb 26 |
| 2021 | 914.19 | 910.18 | Dec 18 | 932.67 | May 12 |
| 2020 (138 days) | 914.05 | 910.24 | Dec 26 | 921.04 | Oct 31 |
Levels in feet. Partial years show the number of days with data.
Monthly averages
| Month | Average | Lowest | Highest |
|---|---|---|---|
| January | 912.13 | 910.16 | 920.45 |
| February | 913.34 | 910.18 | 935.69 |
| March | 913.75 | 910.05 | 929.20 |
| April | 917.60 | 910.69 | 937.22 |
| May | 917.59 | 915.12 | 933.49 |
| June | 915.73 | 915.25 | 926.12 |
| July | 915.70 | 914.91 | 923.18 |
| August | 915.54 | 914.19 | 920.16 |
| September | 915.01 | 913.02 | 918.03 |
| October | 914.73 | 912.06 | 921.04 |
| November | 912.67 | 906.12 | 920.53 |
| December | 911.52 | 905.60 | 917.45 |
Download
Daily levels as CSV (2,256 rows; credit the original agencies listed below)