Monroe Lake water level history
Daily records since 2002 · Level today: 537.81 ft
Highest on record
557.23 ft
May 4, 2011
Lowest on record
533.65 ft
Nov 13, 2005
Today
537.81 ft
Oct 21, 2026
Years of data
25
since 2002
In short
Across 23 complete years, 2012 had the lowest average level (538.29 ft) and 2019 the highest (544.34 ft).
On average the lake is lowest in October (537.19 ft) and highest in April (543.85 ft).
Monroe 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.
- 2005
- 2007
- 2010
- 2012
- 2022
Yearly highs and lows
| Year | Average | Low | Low date | High | High date |
|---|---|---|---|---|---|
| 2026 (294 days) | 543.00 | 537.81 | Oct 13 | 551.07 | May 30 |
| 2025 | 542.59 | 537.37 | Nov 17 | 551.18 | Apr 16 |
| 2024 | 538.54 | 536.36 | Jan 7 | 544.68 | Apr 20 |
| 2023 | 538.73 | 535.87 | Jan 1 | 546.33 | Apr 11 |
| 2022 | 539.78 | 535.76 | Dec 23 | 547.74 | Mar 29 |
| 2021 | 539.78 | 537.95 | Sep 19 | 544.93 | Mar 29 |
| 2020 | 540.16 | 536.90 | Oct 18 | 546.43 | Apr 3 |
| 2019 | 544.34 | 537.23 | Oct 20 | 553.12 | Feb 27 |
| 2018 | 540.75 | 537.55 | Aug 15 | 550.97 | Apr 16 |
| 2017 | 538.97 | 536.48 | Oct 31 | 545.72 | May 21 |
| 2016 | 540.14 | 537.66 | Oct 18 | 545.62 | Mar 17 |
| 2015 | 540.68 | 537.11 | Oct 24 | 549.50 | Jul 22 |
| 2014 | 539.94 | 537.61 | Oct 6 | 546.62 | Apr 16 |
| 2013 | 538.88 | 536.33 | Jan 1 | 545.23 | Dec 29 |
| 2012 | 538.29 | 535.67 | Nov 30 | 546.39 | Feb 1 |
| 2011 | 542.06 | 536.85 | Jan 1 | 557.23 | May 4 |
| 2010 | 538.38 | 535.33 | Nov 22 | 542.15 | Jun 30 |
| 2009 | 539.47 | 537.86 | Sep 19 | 544.56 | May 21 |
| 2008 | 543.42 | 535.94 | Jan 1 | 555.01 | Apr 12 |
| 2007 | 539.72 | 534.41 | Dec 1 | 551.10 | Jan 24 |
| 2006 | 540.03 | 536.98 | Jan 1 | 548.34 | Mar 21 |
| 2005 | 539.20 | 533.65 | Nov 13 | 551.38 | Jan 18 |
| 2004 | 538.81 | 536.88 | Oct 17 | 545.39 | Jan 14 |
| 2003 | 538.98 | 537.46 | Aug 28 | 543.45 | May 20 |
| 2002 (322 days) | 541.01 | 536.44 | Oct 24 | 556.18 | May 15 |
Levels in feet. Partial years show the number of days with data.
Monthly averages
| Month | Average | Lowest | Highest |
|---|---|---|---|
| January | 540.58 | 535.87 | 551.38 |
| February | 540.62 | 537.69 | 553.12 |
| March | 542.15 | 537.97 | 553.32 |
| April | 543.85 | 537.96 | 555.01 |
| May | 543.59 | 537.69 | 557.23 |
| June | 541.50 | 536.97 | 553.14 |
| July | 540.25 | 536.32 | 552.64 |
| August | 538.59 | 535.60 | 548.36 |
| September | 537.60 | 535.15 | 540.97 |
| October | 537.19 | 534.09 | 539.71 |
| November | 537.35 | 533.65 | 540.55 |
| December | 538.54 | 534.41 | 545.71 |
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Daily levels as CSV (8,784 rows; credit the original agencies listed below)