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Lago Regulador de Isabela water level history

Daily records since 2004 · Level today: 521.00 ft

Highest on record
533.10 ft
Oct 31, 2018
Lowest on record
513.09 ft
Aug 8, 2013
Today
521.00 ft
Oct 23, 2026
Years of data
22
since 2004

In short

Across 21 complete years, 2022 had the lowest average level (521.81 ft) and 2011 the highest (530.67 ft).

On average the lake is lowest in March (525.90 ft) and highest in December (527.49 ft).

Lago Regulador de Isabela level, all years

Loading chart…

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

Each year's lowest and highest level

512517523529534200420072010201320162019202220262004: lowest 515.83 ft (2004-09-30), highest 530.44 ft (2004-11-10), average 524.31 ft, 120 days measured2005: lowest 515.63 ft (2005-12-28), highest 532.17 ft (2005-07-02), average 526.57 ft, 357 days measured2006: lowest 513.90 ft (2006-06-14), highest 530.72 ft (2006-03-26), average 523.63 ft, 365 days measured2007: lowest 517.85 ft (2007-03-30), highest 531.63 ft (2007-10-05), average 528.17 ft, 365 days measured2008: lowest 517.77 ft (2008-06-21), highest 532.15 ft (2008-11-04), average 527.91 ft, 366 days measured2009: lowest 519.76 ft (2009-01-30), highest 532.89 ft (2009-02-24), average 530.15 ft, 352 days measured2010: lowest 518.74 ft (2010-04-20), highest 532.28 ft (2010-10-20), average 529.43 ft, 355 days measured2011: lowest 527.85 ft (2011-06-12), highest 532.02 ft (2011-09-19), average 530.67 ft, 344 days measured2012: lowest 524.62 ft (2012-03-30), highest 532.70 ft (2012-12-16), average 529.28 ft, 359 days measured2013: lowest 513.09 ft (2013-08-08), highest 531.79 ft (2013-12-04), average 526.88 ft, 357 days measured2014: lowest 517.10 ft (2014-09-08), highest 531.77 ft (2014-05-15), average 526.32 ft, 365 days measured2015: lowest 523.80 ft (2015-04-05), highest 531.71 ft (2015-09-16), average 529.00 ft, 365 days measured2016: lowest 525.65 ft (2016-03-24), highest 532.42 ft (2016-08-06), average 529.74 ft, 366 days measured2017: lowest 516.63 ft (2017-10-21), highest 532.06 ft (2017-01-31), average 529.22 ft, 345 days measured2018: lowest 516.66 ft (2018-08-02), highest 533.10 ft (2018-10-31), average 527.42 ft, 334 days measured2019: lowest 517.65 ft (2019-02-25), highest 532.32 ft (2019-08-25), average 526.72 ft, 362 days measured2020: lowest 519.21 ft (2020-01-11), highest 529.44 ft (2020-11-17), average 526.38 ft, 366 days measured2021: lowest 513.33 ft (2021-10-09), highest 529.53 ft (2021-09-09), average 525.96 ft, 365 days measured2022: lowest 515.30 ft (2022-08-14), highest 528.51 ft (2022-04-18), average 521.81 ft, 365 days measured2023: lowest 514.15 ft (2023-03-02), highest 527.36 ft (2023-11-11), average 522.60 ft, 365 days measured2024: lowest 520.46 ft (2024-01-05), highest 528.57 ft (2024-09-27), average 526.36 ft, 364 days measured2025: lowest 517.32 ft (2025-04-21), highest 528.80 ft (2025-05-20), average 523.40 ft, 365 days measured2026: lowest 515.78 ft (2026-07-09), highest 526.61 ft (2026-09-17), average 521.10 ft, 295 days measured
512517523529534200420102016202220262004: lowest 515.83 ft (2004-09-30), highest 530.44 ft (2004-11-10), average 524.31 ft, 120 days measured2005: lowest 515.63 ft (2005-12-28), highest 532.17 ft (2005-07-02), average 526.57 ft, 357 days measured2006: lowest 513.90 ft (2006-06-14), highest 530.72 ft (2006-03-26), average 523.63 ft, 365 days measured2007: lowest 517.85 ft (2007-03-30), highest 531.63 ft (2007-10-05), average 528.17 ft, 365 days measured2008: lowest 517.77 ft (2008-06-21), highest 532.15 ft (2008-11-04), average 527.91 ft, 366 days measured2009: lowest 519.76 ft (2009-01-30), highest 532.89 ft (2009-02-24), average 530.15 ft, 352 days measured2010: lowest 518.74 ft (2010-04-20), highest 532.28 ft (2010-10-20), average 529.43 ft, 355 days measured2011: lowest 527.85 ft (2011-06-12), highest 532.02 ft (2011-09-19), average 530.67 ft, 344 days measured2012: lowest 524.62 ft (2012-03-30), highest 532.70 ft (2012-12-16), average 529.28 ft, 359 days measured2013: lowest 513.09 ft (2013-08-08), highest 531.79 ft (2013-12-04), average 526.88 ft, 357 days measured2014: lowest 517.10 ft (2014-09-08), highest 531.77 ft (2014-05-15), average 526.32 ft, 365 days measured2015: lowest 523.80 ft (2015-04-05), highest 531.71 ft (2015-09-16), average 529.00 ft, 365 days measured2016: lowest 525.65 ft (2016-03-24), highest 532.42 ft (2016-08-06), average 529.74 ft, 366 days measured2017: lowest 516.63 ft (2017-10-21), highest 532.06 ft (2017-01-31), average 529.22 ft, 345 days measured2018: lowest 516.66 ft (2018-08-02), highest 533.10 ft (2018-10-31), average 527.42 ft, 334 days measured2019: lowest 517.65 ft (2019-02-25), highest 532.32 ft (2019-08-25), average 526.72 ft, 362 days measured2020: lowest 519.21 ft (2020-01-11), highest 529.44 ft (2020-11-17), average 526.38 ft, 366 days measured2021: lowest 513.33 ft (2021-10-09), highest 529.53 ft (2021-09-09), average 525.96 ft, 365 days measured2022: lowest 515.30 ft (2022-08-14), highest 528.51 ft (2022-04-18), average 521.81 ft, 365 days measured2023: lowest 514.15 ft (2023-03-02), highest 527.36 ft (2023-11-11), average 522.60 ft, 365 days measured2024: lowest 520.46 ft (2024-01-05), highest 528.57 ft (2024-09-27), average 526.36 ft, 364 days measured2025: lowest 517.32 ft (2025-04-21), highest 528.80 ft (2025-05-20), average 523.40 ft, 365 days measured2026: lowest 515.78 ft (2026-07-09), highest 526.61 ft (2026-09-17), average 521.10 ft, 295 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.

  • 2013513.09 ft on Aug 8
  • 2021513.33 ft on Oct 9
  • 2006513.90 ft on Jun 14
  • 2023514.15 ft on Mar 2
  • 2022515.30 ft on Aug 14

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (295 days)521.10515.78Jul 9526.61Sep 17
2025523.40517.32Apr 21528.80May 20
2024526.36520.46Jan 5528.57Sep 27
2023522.60514.15Mar 2527.36Nov 11
2022521.81515.30Aug 14528.51Apr 18
2021525.96513.33Oct 9529.53Sep 9
2020526.38519.21Jan 11529.44Nov 17
2019526.72517.65Feb 25532.32Aug 25
2018527.42516.66Aug 2533.10Oct 31
2017529.22516.63Oct 21532.06Jan 31
2016529.74525.65Mar 24532.42Aug 6
2015529.00523.80Apr 5531.71Sep 16
2014526.32517.10Sep 8531.77May 15
2013526.88513.09Aug 8531.79Dec 4
2012529.28524.62Mar 30532.70Dec 16
2011530.67527.85Jun 12532.02Sep 19
2010529.43518.74Apr 20532.28Oct 20
2009530.15519.76Jan 30532.89Feb 24
2008527.91517.77Jun 21532.15Nov 4
2007528.17517.85Mar 30531.63Oct 5
2006523.63513.90Jun 14530.72Mar 26
2005526.57515.63Dec 28532.17Jul 2
2004 (120 days)524.31515.83Sep 30530.44Nov 10

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

Monthly averages

MonthAverageLowestHighest
January526.62515.62532.06
February526.39515.45532.89
March525.90514.15532.01
April525.94515.17532.65
May527.16516.76531.89
June526.73513.90531.96
July526.62515.78532.17
August526.54513.09532.83
September527.14515.83532.16
October526.98513.33533.10
November527.36518.01532.96
December527.49515.63532.70

Download

Daily levels as CSV (7,962 rows; credit the original agencies listed below)