Diversion Lake water level history
Daily records since 2008 · Level today: 1,051.06 ft
Highest on record
1,054.21 ft
May 20, 2015
Lowest on record
1,046.82 ft
Jun 2, 2014
Today
1,051.06 ft
Oct 23, 2026
Years of data
18
since 2008
In short
Across 17 complete years, 2012 had the lowest average level (1,049.12 ft) and 2016 the highest (1,051.43 ft).
On average the lake is lowest in October (1,050.05 ft) and highest in May (1,050.72 ft).
Diversion Lake 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.
- 2014
- 2013
- 2012
- 2024
- 2019
Yearly highs and lows
| Year | Average | Low | Low date | High | High date |
|---|---|---|---|---|---|
| 2026 (294 days) | 1,049.98 | 1,048.18 | Jun 29 | 1,051.69 | Apr 5 |
| 2025 | 1,050.64 | 1,048.78 | Sep 16 | 1,053.57 | May 26 |
| 2024 | 1,049.93 | 1,047.09 | Oct 28 | 1,053.56 | Jun 24 |
| 2023 | 1,050.01 | 1,047.80 | Dec 31 | 1,051.91 | Jul 17 |
| 2022 | 1,049.92 | 1,047.51 | Jul 12 | 1,051.33 | Jun 9 |
| 2021 | 1,049.95 | 1,047.95 | Oct 28 | 1,051.90 | Jul 29 |
| 2020 | 1,050.15 | 1,048.17 | Jan 15 | 1,052.14 | Apr 16 |
| 2019 | 1,050.90 | 1,047.15 | Aug 19 | 1,053.72 | Jun 24 |
| 2018 | 1,050.89 | 1,048.53 | Aug 30 | 1,053.51 | Nov 13 |
| 2017 | 1,050.56 | 1,048.60 | Sep 6 | 1,052.49 | Sep 30 |
| 2016 | 1,051.43 | 1,050.09 | Dec 29 | 1,052.72 | Apr 21 |
| 2015 | 1,050.56 | 1,048.50 | Aug 20 | 1,054.21 | May 20 |
| 2014 | 1,049.18 | 1,046.82 | Jun 2 | 1,050.80 | Oct 16 |
| 2013 | 1,049.19 | 1,047.00 | Jan 4 | 1,051.39 | Mar 17 |
| 2012 | 1,049.12 | 1,047.02 | Jul 18 | 1,050.82 | Jan 1 |
| 2011 | 1,050.86 | 1,049.79 | Jan 5 | 1,051.62 | Jul 26 |
| 2010 | 1,051.11 | 1,049.47 | Jun 9 | 1,052.69 | Apr 19 |
| 2009 | 1,050.56 | 1,048.84 | Feb 18 | 1,051.91 | Sep 14 |
| 2008 (138 days) | 1,050.80 | 1,049.55 | Sep 26 | 1,051.74 | Nov 4 |
Levels in feet. Partial years show the number of days with data.
Monthly averages
| Month | Average | Lowest | Highest |
|---|---|---|---|
| January | 1,050.06 | 1,047.00 | 1,052.54 |
| February | 1,050.12 | 1,048.30 | 1,052.26 |
| March | 1,050.22 | 1,048.10 | 1,052.49 |
| April | 1,050.50 | 1,047.72 | 1,053.19 |
| May | 1,050.72 | 1,046.89 | 1,054.21 |
| June | 1,050.51 | 1,046.82 | 1,053.76 |
| July | 1,050.67 | 1,047.02 | 1,052.76 |
| August | 1,050.12 | 1,047.15 | 1,052.31 |
| September | 1,050.13 | 1,047.05 | 1,052.49 |
| October | 1,050.05 | 1,047.00 | 1,053.09 |
| November | 1,050.28 | 1,047.68 | 1,053.51 |
| December | 1,050.07 | 1,047.08 | 1,053.02 |
Download
Daily levels as CSV (6,608 rows; credit the original agencies listed below)