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Ubc Dam 21 water level history

Daily records since 2013 · Level today: 616.09 ft

Highest on record
629.54 ft
May 26, 2015
Lowest on record
615.86 ft
Sep 14, 2025
Today
616.09 ft
Oct 24, 2026
Years of data
13
since 2013

In short

Across 12 complete years, 2025 had the lowest average level (617.10 ft) and 2014 the highest (618.94 ft).

On average the lake is lowest in September (617.75 ft) and highest in June (618.61 ft).

Ubc Dam 21 level, all years

Loading chart…

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

Each year's lowest and highest level

615619623627630201320152017201920212023202520262013: lowest 617.97 ft (2013-11-15), highest 619.51 ft (2013-11-25), average 618.35 ft, 153 days measured2014: lowest 617.87 ft (2014-09-10), highest 619.53 ft (2014-05-27), average 618.94 ft, 365 days measured2015: lowest 617.78 ft (2015-08-16), highest 629.54 ft (2015-05-26), average 618.86 ft, 365 days measured2016: lowest 617.69 ft (2016-08-13), highest 620.77 ft (2016-06-04), average 618.83 ft, 366 days measured2017: lowest 617.73 ft (2017-12-07), highest 619.18 ft (2017-01-18), average 618.26 ft, 365 days measured2018: lowest 617.71 ft (2018-06-27), highest 621.22 ft (2018-12-27), average 618.21 ft, 363 days measured2019: lowest 617.68 ft (2019-11-13), highest 622.84 ft (2019-01-03), average 618.52 ft, 357 days measured2020: lowest 617.68 ft (2020-01-30), highest 617.70 ft (2020-03-11), average 617.70 ft, 365 days measured2021: lowest 617.68 ft (2021-01-10), highest 619.94 ft (2021-06-03), average 618.24 ft, 364 days measured2022: lowest 617.67 ft (2022-11-14), highest 620.62 ft (2022-02-03), average 618.21 ft, 365 days measured2023: lowest 617.66 ft (2023-01-31), highest 619.10 ft (2023-05-15), average 617.88 ft, 365 days measured2024: lowest 617.66 ft (2024-01-15), highest 619.35 ft (2024-05-05), average 618.37 ft, 366 days measured2025: lowest 615.86 ft (2025-09-14), highest 617.69 ft (2025-04-03), average 617.10 ft, 365 days measured2026: lowest 616.07 ft (2026-01-11), highest 619.82 ft (2026-06-15), average 617.14 ft, 294 days measured
61561962362763020132017202120262013: lowest 617.97 ft (2013-11-15), highest 619.51 ft (2013-11-25), average 618.35 ft, 153 days measured2014: lowest 617.87 ft (2014-09-10), highest 619.53 ft (2014-05-27), average 618.94 ft, 365 days measured2015: lowest 617.78 ft (2015-08-16), highest 629.54 ft (2015-05-26), average 618.86 ft, 365 days measured2016: lowest 617.69 ft (2016-08-13), highest 620.77 ft (2016-06-04), average 618.83 ft, 366 days measured2017: lowest 617.73 ft (2017-12-07), highest 619.18 ft (2017-01-18), average 618.26 ft, 365 days measured2018: lowest 617.71 ft (2018-06-27), highest 621.22 ft (2018-12-27), average 618.21 ft, 363 days measured2019: lowest 617.68 ft (2019-11-13), highest 622.84 ft (2019-01-03), average 618.52 ft, 357 days measured2020: lowest 617.68 ft (2020-01-30), highest 617.70 ft (2020-03-11), average 617.70 ft, 365 days measured2021: lowest 617.68 ft (2021-01-10), highest 619.94 ft (2021-06-03), average 618.24 ft, 364 days measured2022: lowest 617.67 ft (2022-11-14), highest 620.62 ft (2022-02-03), average 618.21 ft, 365 days measured2023: lowest 617.66 ft (2023-01-31), highest 619.10 ft (2023-05-15), average 617.88 ft, 365 days measured2024: lowest 617.66 ft (2024-01-15), highest 619.35 ft (2024-05-05), average 618.37 ft, 366 days measured2025: lowest 615.86 ft (2025-09-14), highest 617.69 ft (2025-04-03), average 617.10 ft, 365 days measured2026: lowest 616.07 ft (2026-01-11), highest 619.82 ft (2026-06-15), average 617.14 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.

  • 2025615.86 ft on Sep 14
  • 2024617.66 ft on Jan 15
  • 2023617.66 ft on Jan 31
  • 2022617.67 ft on Nov 14
  • 2021617.68 ft on Jan 10

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (294 days)617.14616.07Jan 11619.82Jun 15
2025617.10615.86Sep 14617.69Apr 3
2024618.37617.66Jan 15619.35May 5
2023617.88617.66Jan 31619.10May 15
2022618.21617.67Nov 14620.62Feb 3
2021618.24617.68Jan 10619.94Jun 3
2020617.70617.68Jan 30617.70Mar 11
2019618.52617.68Nov 13622.84Jan 3
2018618.21617.71Jun 27621.22Dec 27
2017618.26617.73Dec 7619.18Jan 18
2016618.83617.69Aug 13620.77Jun 4
2015618.86617.78Aug 16629.54May 26
2014618.94617.87Sep 10619.53May 27
2013 (153 days)618.35617.97Nov 15619.51Nov 25

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

Monthly averages

MonthAverageLowestHighest
January618.26616.07622.84
February618.33616.07620.62
March618.31616.08619.65
April618.33616.08621.02
May618.52616.08629.54
June618.61617.68620.77
July618.31617.68619.46
August617.94616.28619.21
September617.75615.86619.35
October617.82616.08619.24
November618.03616.08619.51
December618.19616.07621.22

Download

Daily levels as CSV (4,818 rows; credit the original agencies listed below)