Country: USA
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Ubc Dam 4 water level history

Daily records since 2013 · Level today: 838.45 ft

Highest on record
852.73 ft
Oct 31, 2015
Lowest on record
837.37 ft
Sep 12, 2023
Today
838.45 ft
Oct 23, 2026
Years of data
13
since 2013

In short

Across 12 complete years, 2023 had the lowest average level (838.22 ft) and 2015 the highest (839.21 ft).

On average the lake is lowest in September (838.32 ft) and highest in May (838.72 ft).

Ubc Dam 4 level, all years

Loading chart…

Measured Normal range for the date (middle 50% of past years)

Each year's lowest and highest level

836841845849854201320152017201920212023202520262013: lowest 838.48 ft (2013-10-29), highest 841.86 ft (2013-11-22), average 838.74 ft, 79 days measured2014: lowest 838.32 ft (2014-09-03), highest 845.28 ft (2014-07-19), average 838.56 ft, 365 days measured2015: lowest 837.76 ft (2015-10-20), highest 852.73 ft (2015-10-31), average 839.21 ft, 365 days measured2016: lowest 838.02 ft (2016-08-12), highest 849.83 ft (2016-08-22), average 838.68 ft, 366 days measured2017: lowest 838.12 ft (2017-07-11), highest 846.04 ft (2017-08-28), average 838.42 ft, 365 days measured2018: lowest 838.04 ft (2018-07-03), highest 843.64 ft (2018-12-27), average 838.39 ft, 364 days measured2019: lowest 838.07 ft (2019-08-22), highest 844.24 ft (2019-01-03), average 838.37 ft, 365 days measured2020: lowest 838.08 ft (2020-07-19), highest 839.75 ft (2020-02-12), average 838.27 ft, 366 days measured2021: lowest 838.12 ft (2021-09-22), highest 844.15 ft (2021-10-14), average 838.41 ft, 365 days measured2022: lowest 837.58 ft (2022-08-17), highest 851.63 ft (2022-08-28), average 838.39 ft, 365 days measured2023: lowest 837.37 ft (2023-09-12), highest 840.64 ft (2023-09-14), average 838.22 ft, 365 days measured2024: lowest 838.11 ft (2024-09-28), highest 843.19 ft (2024-01-23), average 838.34 ft, 366 days measured2025: lowest 838.13 ft (2025-06-29), highest 848.60 ft (2025-07-06), average 838.46 ft, 365 days measured2026: lowest 838.40 ft (2026-08-16), highest 849.13 ft (2026-06-16), average 838.79 ft, 294 days measured
83684184584985420132017202120262013: lowest 838.48 ft (2013-10-29), highest 841.86 ft (2013-11-22), average 838.74 ft, 79 days measured2014: lowest 838.32 ft (2014-09-03), highest 845.28 ft (2014-07-19), average 838.56 ft, 365 days measured2015: lowest 837.76 ft (2015-10-20), highest 852.73 ft (2015-10-31), average 839.21 ft, 365 days measured2016: lowest 838.02 ft (2016-08-12), highest 849.83 ft (2016-08-22), average 838.68 ft, 366 days measured2017: lowest 838.12 ft (2017-07-11), highest 846.04 ft (2017-08-28), average 838.42 ft, 365 days measured2018: lowest 838.04 ft (2018-07-03), highest 843.64 ft (2018-12-27), average 838.39 ft, 364 days measured2019: lowest 838.07 ft (2019-08-22), highest 844.24 ft (2019-01-03), average 838.37 ft, 365 days measured2020: lowest 838.08 ft (2020-07-19), highest 839.75 ft (2020-02-12), average 838.27 ft, 366 days measured2021: lowest 838.12 ft (2021-09-22), highest 844.15 ft (2021-10-14), average 838.41 ft, 365 days measured2022: lowest 837.58 ft (2022-08-17), highest 851.63 ft (2022-08-28), average 838.39 ft, 365 days measured2023: lowest 837.37 ft (2023-09-12), highest 840.64 ft (2023-09-14), average 838.22 ft, 365 days measured2024: lowest 838.11 ft (2024-09-28), highest 843.19 ft (2024-01-23), average 838.34 ft, 366 days measured2025: lowest 838.13 ft (2025-06-29), highest 848.60 ft (2025-07-06), average 838.46 ft, 365 days measured2026: lowest 838.40 ft (2026-08-16), highest 849.13 ft (2026-06-16), average 838.79 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.

  • 2023837.37 ft on Sep 12
  • 2022837.58 ft on Aug 17
  • 2015837.76 ft on Oct 20
  • 2016838.02 ft on Aug 12
  • 2018838.04 ft on Jul 3

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (294 days)838.79838.40Aug 16849.13Jun 16
2025838.46838.13Jun 29848.60Jul 6
2024838.34838.11Sep 28843.19Jan 23
2023838.22837.37Sep 12840.64Sep 14
2022838.39837.58Aug 17851.63Aug 28
2021838.41838.12Sep 22844.15Oct 14
2020838.27838.08Jul 19839.75Feb 12
2019838.37838.07Aug 22844.24Jan 3
2018838.39838.04Jul 3843.64Dec 27
2017838.42838.12Jul 11846.04Aug 28
2016838.68838.02Aug 12849.83Aug 22
2015839.21837.76Oct 20852.73Oct 31
2014838.56838.32Sep 3845.28Jul 19
2013 (79 days)838.74838.48Oct 29841.86Nov 22

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

Monthly averages

MonthAverageLowestHighest
January838.44838.13844.24
February838.36838.14839.75
March838.38838.14842.33
April838.45838.15845.72
May838.72838.12849.60
June838.61838.06849.13
July838.49837.75848.60
August838.63837.52851.63
September838.32837.37847.07
October838.59837.76852.73
November838.60838.12852.60
December838.40838.15843.64

Download

Daily levels as CSV (4,755 rows; credit the original agencies listed below)