Yale Reservoir water level history
Daily records since 2012 · Level today: 473.00 ft
Highest on record
489.42 ft
May 31, 2013
Lowest on record
461.88 ft
Dec 27, 2019
Today
473.00 ft
Oct 23, 2026
Years of data
14
since 2012
In short
Across 8 complete years, 2025 had the lowest average level (475.71 ft) and 2018 the highest (480.68 ft).
On average the lake is lowest in November (473.36 ft) and highest in May (481.48 ft).
Yale Reservoir level, all years
Loading chart…
Measured
Normal range for the date (middle 50% of past years)
Each year's lowest and highest level
Lowest to highest that yearYear average2026 so far
One bar per year from the lowest to the highest daily level, with the year's average. Years with no bar have no daily record in the agency archive.
Lowest years
Years ranked by their lowest daily level.
- 2019
- 2024
- 2023
- 2021
- 2025
Yearly highs and lows
| Year | Average | Low | Low date | High | High date |
|---|---|---|---|---|---|
| 2026 (294 days) | 476.31 | 471.19 | Sep 28 | 479.52 | Mar 13 |
| 2025 | 475.71 | 465.00 | Oct 31 | 480.00 | Apr 12 |
| 2024 | 476.50 | 463.00 | Nov 16 | 480.00 | May 12 |
| 2023 | 476.52 | 463.00 | Dec 3 | 480.00 | Jul 21 |
| 2022 | 476.47 | 465.48 | Dec 26 | 480.00 | Mar 2 |
| 2021 | 476.81 | 464.00 | Dec 7 | 480.00 | Jul 24 |
| 2020 | 476.78 | 466.79 | Jan 2 | 479.50 | Aug 19 |
| 2019 | 477.47 | 461.88 | Dec 27 | 489.16 | Apr 20 |
| 2018 | 480.68 | 468.87 | Nov 13 | 489.00 | Mar 28 |
| 2017 (90 days) | 476.59 | 464.00 | Oct 19 | 488.20 | Dec 31 |
| 2013 (272 days) | 484.93 | 472.24 | Jan 24 | 489.42 | May 31 |
| 2012 (93 days) | 482.31 | 478.44 | Dec 13 | 487.67 | Dec 5 |
Levels in feet. Partial years show the number of days with data.
Monthly averages
| Month | Average | Lowest | Highest |
|---|---|---|---|
| January | 475.72 | 466.15 | 487.40 |
| February | 477.43 | 471.00 | 487.78 |
| March | 478.76 | 473.67 | 489.00 |
| April | 480.31 | 475.27 | 489.16 |
| May | 481.48 | 477.06 | 489.42 |
| June | 480.76 | 476.96 | 488.95 |
| July | 479.80 | 474.00 | 488.31 |
| August | 478.54 | 472.00 | 487.42 |
| September | 477.86 | 471.19 | 489.25 |
| October | 474.70 | 464.00 | 484.02 |
| November | 473.36 | 463.00 | 486.24 |
| December | 474.38 | 461.88 | 488.20 |
Download
Daily levels as CSV (3,656 rows; credit the original agencies listed below)