Howard A Hanson Lake water level history
Daily records since 1999 · Level today: 1,126.40 ft
Highest on record
1,188.80 ft
Jan 9, 2009
Lowest on record
1,066.70 ft
Nov 24, 2004
Today
1,126.40 ft
Oct 21, 2026
Years of data
27
since 1999
In short
Across 23 complete years, 2006 had the lowest average level (1,103.23 ft) and 2025 the highest (1,131.63 ft).
On average the lake is lowest in December (1,082.94 ft) and highest in June (1,162.06 ft).
Howard A Hanson Lake 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.
- 2004
- 2007
- 2006
- 2008
- 2010
Yearly highs and lows
| Year | Average | Low | Low date | High | High date |
|---|---|---|---|---|---|
| 2026 (293 days) | 1,140.72 | 1,080.71 | Jan 4 | 1,167.42 | May 18 |
| 2025 | 1,131.63 | 1,076.63 | Nov 26 | 1,188.04 | Dec 12 |
| 2024 | 1,127.49 | 1,075.07 | Nov 26 | 1,167.94 | Jun 7 |
| 2023 | 1,124.37 | 1,072.19 | Jan 23 | 1,167.06 | Jun 19 |
| 2022 | 1,126.59 | 1,073.19 | Feb 2 | 1,167.14 | Jun 24 |
| 2021 | 1,126.04 | 1,075.73 | Nov 25 | 1,167.17 | Jun 18 |
| 2020 | 1,129.55 | 1,073.62 | Nov 14 | 1,170.03 | Feb 9 |
| 2019 | 1,126.44 | 1,075.42 | Jan 11 | 1,167.09 | May 26 |
| 2018 | 1,124.59 | 1,074.49 | Dec 2 | 1,167.05 | Jun 4 |
| 2017 | 1,125.31 | 1,073.68 | Jan 5 | 1,167.64 | Jun 17 |
| 2016 | 1,126.60 | 1,073.87 | Nov 20 | 1,168.00 | Jun 26 |
| 2015 | 1,131.06 | 1,074.10 | Dec 3 | 1,165.30 | Jun 3 |
| 2014 | 1,127.56 | 1,074.90 | Feb 6 | 1,167.40 | Jun 17 |
| 2013 | 1,123.42 | 1,074.80 | Dec 19 | 1,167.30 | Jun 7 |
| 2012 | 1,121.99 | 1,071.90 | Nov 16 | 1,167.70 | Jun 24 |
| 2011 | 1,123.71 | 1,074.20 | Mar 1 | 1,167.40 | Jun 23 |
| 2010 | 1,122.20 | 1,070.60 | Jan 7 | 1,170.30 | May 12 |
| 2009 | 1,121.16 | 1,072.90 | Jan 6 | 1,188.80 | Jan 9 |
| 2008 | 1,120.97 | 1,070.10 | Feb 1 | 1,167.00 | Jul 1 |
| 2007 | 1,124.06 | 1,067.00 | Dec 5 | 1,167.10 | Jun 12 |
| 2006 | 1,103.23 | 1,069.70 | Feb 24 | 1,162.20 | Nov 8 |
| 2005 | 1,113.93 | 1,070.70 | Dec 22 | 1,150.60 | Jun 13 |
| 2004 | 1,109.83 | 1,066.70 | Nov 24 | 1,146.70 | May 30 |
| 2003 (92 days) | 1,087.31 | 1,073.80 | Nov 20 | 1,110.20 | Oct 1 |
| 2001 (273 days) | 1,124.30 | 1,075.50 | Jan 12 | 1,148.60 | Jun 13 |
| 2000 | 1,112.63 | 1,074.00 | Nov 30 | 1,150.10 | Jun 13 |
| 1999 (92 days) | 1,100.16 | 1,070.10 | Dec 9 | 1,128.40 | Nov 26 |
Levels in feet. Partial years show the number of days with data.
Monthly averages
| Month | Average | Lowest | Highest |
|---|---|---|---|
| January | 1,084.40 | 1,070.20 | 1,188.80 |
| February | 1,083.17 | 1,069.70 | 1,170.03 |
| March | 1,109.04 | 1,070.90 | 1,154.00 |
| April | 1,139.09 | 1,072.10 | 1,163.50 |
| May | 1,155.96 | 1,073.60 | 1,170.30 |
| June | 1,162.06 | 1,137.80 | 1,169.10 |
| July | 1,158.74 | 1,131.80 | 1,167.30 |
| August | 1,152.12 | 1,127.80 | 1,163.96 |
| September | 1,141.30 | 1,118.50 | 1,155.80 |
| October | 1,115.66 | 1,075.70 | 1,142.22 |
| November | 1,086.18 | 1,066.70 | 1,162.20 |
| December | 1,082.94 | 1,067.00 | 1,188.04 |
Download
Daily levels as CSV (9,130 rows; credit the original agencies listed below)