Granger Lake water level history
Daily records since 2000 · Level today: 503.82 ft
Highest on record
523.02 ft
Jul 27, 2007
Lowest on record
498.40 ft
Nov 14, 2011
Today
503.82 ft
Oct 21, 2026
Years of data
26
since 2000
In short
Across 25 complete years, 2011 had the lowest average level (501.65 ft) and 2007 the highest (509.27 ft).
On average the lake is lowest in October (503.53 ft) and highest in May (505.14 ft).
Granger 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.
- 2011
- 2012
- 2009
- 2023
- 2008
Yearly highs and lows
| Year | Average | Low | Low date | High | High date |
|---|---|---|---|---|---|
| 2026 (293 days) | 505.11 | 503.43 | Jan 20 | 510.67 | Jun 8 |
| 2025 | 504.33 | 502.95 | Jan 8 | 513.15 | Jul 9 |
| 2024 | 504.88 | 502.93 | Jan 1 | 510.24 | May 20 |
| 2023 | 502.96 | 500.36 | Oct 22 | 504.98 | May 15 |
| 2022 | 503.51 | 501.59 | Aug 18 | 507.01 | Feb 7 |
| 2021 | 504.66 | 503.01 | Jan 1 | 509.04 | Jun 4 |
| 2020 | 503.61 | 502.38 | Dec 4 | 505.00 | Feb 14 |
| 2019 | 505.28 | 503.55 | Oct 10 | 513.39 | May 14 |
| 2018 | 504.93 | 502.52 | Sep 3 | 513.20 | Oct 22 |
| 2017 | 504.53 | 503.91 | Aug 6 | 506.96 | Sep 4 |
| 2016 | 506.20 | 504.08 | Oct 24 | 514.78 | Jun 6 |
| 2015 | 505.88 | 503.71 | Oct 21 | 519.21 | May 30 |
| 2014 | 504.41 | 503.43 | Sep 13 | 505.97 | Nov 24 |
| 2013 | 503.82 | 502.05 | Oct 11 | 505.59 | Nov 28 |
| 2012 | 503.02 | 499.35 | Jan 2 | 507.08 | Mar 23 |
| 2011 | 501.65 | 498.40 | Nov 14 | 504.16 | Mar 9 |
| 2010 | 502.86 | 501.46 | Sep 6 | 513.70 | Sep 10 |
| 2009 | 502.14 | 499.42 | Sep 10 | 512.15 | Oct 28 |
| 2008 | 503.09 | 500.46 | Dec 22 | 507.20 | May 16 |
| 2007 | 509.27 | 503.31 | Jan 1 | 523.02 | Jul 27 |
| 2006 | 503.07 | 501.27 | Oct 9 | 505.98 | May 10 |
| 2005 | 504.38 | 503.71 | Oct 28 | 508.45 | Aug 13 |
| 2004 | 505.25 | 501.72 | Jan 7 | 518.37 | Nov 26 |
| 2003 | 503.34 | 501.71 | Dec 11 | 507.85 | Feb 24 |
| 2002 | 504.65 | 503.79 | Jun 26 | 509.32 | Jul 7 |
| 2001 | 504.97 | 503.07 | Aug 25 | 511.18 | Nov 18 |
| 2000 (92 days) | 504.19 | 501.29 | Oct 15 | 508.00 | Nov 8 |
Levels in feet. Partial years show the number of days with data.
Monthly averages
| Month | Average | Lowest | Highest |
|---|---|---|---|
| January | 504.06 | 499.35 | 512.77 |
| February | 504.25 | 500.30 | 509.90 |
| March | 504.40 | 500.32 | 510.54 |
| April | 504.41 | 500.45 | 513.21 |
| May | 505.14 | 501.40 | 519.21 |
| June | 505.08 | 501.32 | 518.84 |
| July | 504.79 | 500.42 | 523.02 |
| August | 504.11 | 499.66 | 522.92 |
| September | 503.81 | 499.28 | 517.57 |
| October | 503.53 | 498.65 | 513.20 |
| November | 504.02 | 498.40 | 518.37 |
| December | 503.92 | 498.58 | 516.61 |
Download
Daily levels as CSV (9,460 rows; credit the original agencies listed below)