Country: USA

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

1,0461,0481,0511,0531,05520082010201220142016201820202022202420262008: lowest 1,049.55 ft (2008-09-26), highest 1,051.74 ft (2008-11-04), average 1,050.80 ft, 138 days measured2009: lowest 1,048.84 ft (2009-02-18), highest 1,051.91 ft (2009-09-14), average 1,050.56 ft, 365 days measured2010: lowest 1,049.47 ft (2010-06-09), highest 1,052.69 ft (2010-04-19), average 1,051.11 ft, 364 days measured2011: lowest 1,049.79 ft (2011-01-05), highest 1,051.62 ft (2011-07-26), average 1,050.86 ft, 364 days measured2012: lowest 1,047.02 ft (2012-07-18), highest 1,050.82 ft (2012-01-01), average 1,049.12 ft, 366 days measured2013: lowest 1,047.00 ft (2013-01-04), highest 1,051.39 ft (2013-03-17), average 1,049.19 ft, 365 days measured2014: lowest 1,046.82 ft (2014-06-02), highest 1,050.80 ft (2014-10-16), average 1,049.18 ft, 365 days measured2015: lowest 1,048.50 ft (2015-08-20), highest 1,054.21 ft (2015-05-20), average 1,050.56 ft, 365 days measured2016: lowest 1,050.09 ft (2016-12-29), highest 1,052.72 ft (2016-04-21), average 1,051.43 ft, 362 days measured2017: lowest 1,048.60 ft (2017-09-06), highest 1,052.49 ft (2017-09-30), average 1,050.56 ft, 362 days measured2018: lowest 1,048.53 ft (2018-08-30), highest 1,053.51 ft (2018-11-13), average 1,050.89 ft, 359 days measured2019: lowest 1,047.15 ft (2019-08-19), highest 1,053.72 ft (2019-06-24), average 1,050.90 ft, 359 days measured2020: lowest 1,048.17 ft (2020-01-15), highest 1,052.14 ft (2020-04-16), average 1,050.15 ft, 366 days measured2021: lowest 1,047.95 ft (2021-10-28), highest 1,051.90 ft (2021-07-29), average 1,049.95 ft, 364 days measured2022: lowest 1,047.51 ft (2022-07-12), highest 1,051.33 ft (2022-06-09), average 1,049.92 ft, 364 days measured2023: lowest 1,047.80 ft (2023-12-31), highest 1,051.91 ft (2023-07-17), average 1,050.01 ft, 363 days measured2024: lowest 1,047.09 ft (2024-10-28), highest 1,053.56 ft (2024-06-24), average 1,049.93 ft, 362 days measured2025: lowest 1,048.78 ft (2025-09-16), highest 1,053.57 ft (2025-05-26), average 1,050.64 ft, 361 days measured2026: lowest 1,048.18 ft (2026-06-29), highest 1,051.69 ft (2026-04-05), average 1,049.98 ft, 294 days measured
1,0461,0481,0511,0531,055200820132018202320262008: lowest 1,049.55 ft (2008-09-26), highest 1,051.74 ft (2008-11-04), average 1,050.80 ft, 138 days measured2009: lowest 1,048.84 ft (2009-02-18), highest 1,051.91 ft (2009-09-14), average 1,050.56 ft, 365 days measured2010: lowest 1,049.47 ft (2010-06-09), highest 1,052.69 ft (2010-04-19), average 1,051.11 ft, 364 days measured2011: lowest 1,049.79 ft (2011-01-05), highest 1,051.62 ft (2011-07-26), average 1,050.86 ft, 364 days measured2012: lowest 1,047.02 ft (2012-07-18), highest 1,050.82 ft (2012-01-01), average 1,049.12 ft, 366 days measured2013: lowest 1,047.00 ft (2013-01-04), highest 1,051.39 ft (2013-03-17), average 1,049.19 ft, 365 days measured2014: lowest 1,046.82 ft (2014-06-02), highest 1,050.80 ft (2014-10-16), average 1,049.18 ft, 365 days measured2015: lowest 1,048.50 ft (2015-08-20), highest 1,054.21 ft (2015-05-20), average 1,050.56 ft, 365 days measured2016: lowest 1,050.09 ft (2016-12-29), highest 1,052.72 ft (2016-04-21), average 1,051.43 ft, 362 days measured2017: lowest 1,048.60 ft (2017-09-06), highest 1,052.49 ft (2017-09-30), average 1,050.56 ft, 362 days measured2018: lowest 1,048.53 ft (2018-08-30), highest 1,053.51 ft (2018-11-13), average 1,050.89 ft, 359 days measured2019: lowest 1,047.15 ft (2019-08-19), highest 1,053.72 ft (2019-06-24), average 1,050.90 ft, 359 days measured2020: lowest 1,048.17 ft (2020-01-15), highest 1,052.14 ft (2020-04-16), average 1,050.15 ft, 366 days measured2021: lowest 1,047.95 ft (2021-10-28), highest 1,051.90 ft (2021-07-29), average 1,049.95 ft, 364 days measured2022: lowest 1,047.51 ft (2022-07-12), highest 1,051.33 ft (2022-06-09), average 1,049.92 ft, 364 days measured2023: lowest 1,047.80 ft (2023-12-31), highest 1,051.91 ft (2023-07-17), average 1,050.01 ft, 363 days measured2024: lowest 1,047.09 ft (2024-10-28), highest 1,053.56 ft (2024-06-24), average 1,049.93 ft, 362 days measured2025: lowest 1,048.78 ft (2025-09-16), highest 1,053.57 ft (2025-05-26), average 1,050.64 ft, 361 days measured2026: lowest 1,048.18 ft (2026-06-29), highest 1,051.69 ft (2026-04-05), average 1,049.98 ft, 294 days measured
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.

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (294 days)1,049.981,048.18Jun 291,051.69Apr 5
20251,050.641,048.78Sep 161,053.57May 26
20241,049.931,047.09Oct 281,053.56Jun 24
20231,050.011,047.80Dec 311,051.91Jul 17
20221,049.921,047.51Jul 121,051.33Jun 9
20211,049.951,047.95Oct 281,051.90Jul 29
20201,050.151,048.17Jan 151,052.14Apr 16
20191,050.901,047.15Aug 191,053.72Jun 24
20181,050.891,048.53Aug 301,053.51Nov 13
20171,050.561,048.60Sep 61,052.49Sep 30
20161,051.431,050.09Dec 291,052.72Apr 21
20151,050.561,048.50Aug 201,054.21May 20
20141,049.181,046.82Jun 21,050.80Oct 16
20131,049.191,047.00Jan 41,051.39Mar 17
20121,049.121,047.02Jul 181,050.82Jan 1
20111,050.861,049.79Jan 51,051.62Jul 26
20101,051.111,049.47Jun 91,052.69Apr 19
20091,050.561,048.84Feb 181,051.91Sep 14
2008 (138 days)1,050.801,049.55Sep 261,051.74Nov 4

Levels in feet. Partial years show the number of days with data.

Monthly averages

MonthAverageLowestHighest
January1,050.061,047.001,052.54
February1,050.121,048.301,052.26
March1,050.221,048.101,052.49
April1,050.501,047.721,053.19
May1,050.721,046.891,054.21
June1,050.511,046.821,053.76
July1,050.671,047.021,052.76
August1,050.121,047.151,052.31
September1,050.131,047.051,052.49
October1,050.051,047.001,053.09
November1,050.281,047.681,053.51
December1,050.071,047.081,053.02

Download

Daily levels as CSV (6,608 rows; credit the original agencies listed below)