Starved Rock Pool water level history
Daily records since 2011 · Level today: 459.25 ft
Highest on record
1,505.79 ft
Apr 1, 2011
Lowest on record
0.00 ft
Feb 7, 2012
Today
459.25 ft
Oct 21, 2026
Years of data
16
since 2011
In short
Across 13 complete years, 2014 had the lowest average level (458.94 ft) and 2024 the highest (459.09 ft).
On average the lake is lowest in February (442.46 ft) and highest in April (464.26 ft).
Starved Rock Pool 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.
- 2015
- 2022
- 2016
- 2013
- 2018
Yearly highs and lows
| Year | Average | Low | Low date | High | High date |
|---|---|---|---|---|---|
| 2026 (294 days) | 459.11 | 458.83 | Apr 7 | 459.60 | Jan 28 |
| 2025 | 459.06 | 458.68 | Jul 21 | 459.45 | Jan 27 |
| 2024 | 459.09 | 458.78 | Dec 1 | 460.66 | Jan 19 |
| 2023 | 459.01 | 458.78 | Sep 2 | 459.29 | Nov 24 |
| 2022 | 458.96 | 458.61 | Jan 29 | 459.43 | Dec 25 |
| 2021 | 458.96 | 458.65 | Feb 15 | 459.26 | Mar 13 |
| 2020 | 459.01 | 458.68 | Dec 10 | 466.20 | May 19 |
| 2019 | 459.07 | 458.69 | Mar 16 | 465.12 | May 3 |
| 2018 | 459.03 | 458.63 | Mar 1 | 464.31 | Feb 22 |
| 2017 | 458.95 | 458.65 | Apr 8 | 460.08 | May 2 |
| 2016 | 458.98 | 458.62 | Jan 3 | 460.52 | Jan 1 |
| 2015 | 459.01 | 458.53 | Jul 2 | 462.23 | Dec 30 |
| 2014 | 458.94 | 458.66 | Jul 3 | 459.14 | May 21 |
| 2013 | 459.01 | 458.62 | Apr 29 | 468.05 | Apr 20 |
| 2012 (329 days) | 434.98 | 0.00 | Feb 7 | 459.08 | May 2 |
| 2011 (277 days) | 475.45 | 458.67 | Jun 11 | 1,505.79 | Apr 1 |
Levels in feet. Partial years show the number of days with data.
Monthly averages
| Month | Average | Lowest | Highest |
|---|---|---|---|
| January | 459.01 | 458.61 | 460.66 |
| February | 442.46 | 0.00 | 464.31 |
| March | 461.36 | 160.69 | 1,505.65 |
| April | 464.26 | 458.62 | 1,505.79 |
| May | 459.10 | 458.65 | 466.20 |
| June | 459.02 | 458.67 | 461.60 |
| July | 458.97 | 458.53 | 459.31 |
| August | 458.96 | 458.78 | 459.36 |
| September | 458.94 | 458.78 | 459.70 |
| October | 458.93 | 458.73 | 459.29 |
| November | 458.95 | 458.70 | 459.29 |
| December | 458.99 | 458.64 | 462.23 |
Download
Daily levels as CSV (5,648 rows; credit the original agencies listed below)