Country: USA
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Lake Houston water level history

Daily records since 1996 · Level today: 42.13 ft

Highest on record
52.37 ft
Aug 29, 2017
Lowest on record
36.34 ft
Sep 5, 2011
Today
42.13 ft
Oct 23, 2026
Years of data
30
since 1996

In short

Across 29 complete years, 2011 had the lowest average level (39.84 ft) and 2003 the highest (45.25 ft).

On average the lake is lowest in October (42.97 ft) and highest in May (43.57 ft).

Lake Houston level, all years

Loading chart…

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

Each year's lowest and highest level

35404449531996200020042008201220162020202420261996: lowest 43.83 ft (1996-12-06), highest 46.25 ft (1996-09-28), average 44.84 ft, 164 days measured1997: lowest 43.96 ft (1997-08-22), highest 46.48 ft (1997-05-25), average 45.18 ft, 364 days measured1998: lowest 42.42 ft (1998-08-05), highest 49.96 ft (1998-11-15), average 44.45 ft, 357 days measured1999: lowest 40.81 ft (1999-11-22), highest 45.95 ft (1999-04-07), average 43.77 ft, 363 days measured2000: lowest 40.98 ft (2000-10-29), highest 46.23 ft (2000-11-25), average 43.37 ft, 362 days measured2001: lowest 43.86 ft (2001-10-22), highest 48.66 ft (2001-06-10), average 45.23 ft, 365 days measured2002: lowest 44.51 ft (2002-06-15), highest 48.42 ft (2002-11-07), average 45.21 ft, 358 days measured2003: lowest 44.61 ft (2003-06-02), highest 47.44 ft (2003-11-18), average 45.25 ft, 365 days measured2004: lowest 42.98 ft (2004-10-18), highest 46.87 ft (2004-02-14), average 45.03 ft, 366 days measured2005: lowest 42.55 ft (2005-09-24), highest 46.57 ft (2005-02-09), average 45.05 ft, 365 days measured2006: lowest 44.13 ft (2006-11-16), highest 46.86 ft (2006-10-17), average 45.03 ft, 365 days measured2007: lowest 44.24 ft (2007-09-29), highest 46.28 ft (2007-01-18), average 44.88 ft, 361 days measured2008: lowest 44.40 ft (2008-07-23), highest 47.99 ft (2008-09-15), average 45.09 ft, 366 days measured2009: lowest 41.68 ft (2009-10-01), highest 47.15 ft (2009-04-29), average 44.33 ft, 365 days measured2010: lowest 41.02 ft (2010-11-01), highest 43.13 ft (2010-07-03), average 42.19 ft, 364 days measured2011: lowest 36.34 ft (2011-09-05), highest 42.76 ft (2011-12-23), average 39.84 ft, 365 days measured2012: lowest 41.09 ft (2012-12-15), highest 43.79 ft (2012-07-15), average 42.02 ft, 366 days measured2013: lowest 40.98 ft (2013-09-19), highest 43.11 ft (2013-10-31), average 42.03 ft, 362 days measured2014: lowest 41.58 ft (2014-08-30), highest 43.27 ft (2014-05-29), average 42.23 ft, 362 days measured2015: lowest 41.27 ft (2015-10-22), highest 44.64 ft (2015-05-29), average 42.42 ft, 363 days measured2016: lowest 41.94 ft (2016-11-01), highest 47.69 ft (2016-05-29), average 42.64 ft, 366 days measured2017: lowest 41.51 ft (2017-02-10), highest 52.37 ft (2017-08-29), average 42.45 ft, 365 days measured2018: lowest 40.24 ft (2018-03-28), highest 44.23 ft (2018-03-31), average 42.39 ft, 363 days measured2019: lowest 40.99 ft (2019-12-17), highest 47.50 ft (2019-09-20), average 41.83 ft, 361 days measured2020: lowest 41.01 ft (2020-08-27), highest 42.98 ft (2020-03-23), average 41.78 ft, 365 days measured2021: lowest 41.39 ft (2021-09-13), highest 44.01 ft (2021-05-03), average 42.52 ft, 360 days measured2022: lowest 41.59 ft (2022-03-21), highest 43.22 ft (2022-01-09), average 42.32 ft, 360 days measured2023: lowest 41.38 ft (2023-10-18), highest 44.24 ft (2023-01-30), average 42.43 ft, 364 days measured2024: lowest 41.38 ft (2024-06-17), highest 48.12 ft (2024-05-04), average 42.57 ft, 366 days measured2025: lowest 40.87 ft (2025-03-13), highest 43.20 ft (2025-06-16), average 42.33 ft, 365 days measured2026: lowest 40.93 ft (2026-04-17), highest 43.39 ft (2026-07-15), average 42.35 ft, 294 days measured
3540444953199620042012202020261996: lowest 43.83 ft (1996-12-06), highest 46.25 ft (1996-09-28), average 44.84 ft, 164 days measured1997: lowest 43.96 ft (1997-08-22), highest 46.48 ft (1997-05-25), average 45.18 ft, 364 days measured1998: lowest 42.42 ft (1998-08-05), highest 49.96 ft (1998-11-15), average 44.45 ft, 357 days measured1999: lowest 40.81 ft (1999-11-22), highest 45.95 ft (1999-04-07), average 43.77 ft, 363 days measured2000: lowest 40.98 ft (2000-10-29), highest 46.23 ft (2000-11-25), average 43.37 ft, 362 days measured2001: lowest 43.86 ft (2001-10-22), highest 48.66 ft (2001-06-10), average 45.23 ft, 365 days measured2002: lowest 44.51 ft (2002-06-15), highest 48.42 ft (2002-11-07), average 45.21 ft, 358 days measured2003: lowest 44.61 ft (2003-06-02), highest 47.44 ft (2003-11-18), average 45.25 ft, 365 days measured2004: lowest 42.98 ft (2004-10-18), highest 46.87 ft (2004-02-14), average 45.03 ft, 366 days measured2005: lowest 42.55 ft (2005-09-24), highest 46.57 ft (2005-02-09), average 45.05 ft, 365 days measured2006: lowest 44.13 ft (2006-11-16), highest 46.86 ft (2006-10-17), average 45.03 ft, 365 days measured2007: lowest 44.24 ft (2007-09-29), highest 46.28 ft (2007-01-18), average 44.88 ft, 361 days measured2008: lowest 44.40 ft (2008-07-23), highest 47.99 ft (2008-09-15), average 45.09 ft, 366 days measured2009: lowest 41.68 ft (2009-10-01), highest 47.15 ft (2009-04-29), average 44.33 ft, 365 days measured2010: lowest 41.02 ft (2010-11-01), highest 43.13 ft (2010-07-03), average 42.19 ft, 364 days measured2011: lowest 36.34 ft (2011-09-05), highest 42.76 ft (2011-12-23), average 39.84 ft, 365 days measured2012: lowest 41.09 ft (2012-12-15), highest 43.79 ft (2012-07-15), average 42.02 ft, 366 days measured2013: lowest 40.98 ft (2013-09-19), highest 43.11 ft (2013-10-31), average 42.03 ft, 362 days measured2014: lowest 41.58 ft (2014-08-30), highest 43.27 ft (2014-05-29), average 42.23 ft, 362 days measured2015: lowest 41.27 ft (2015-10-22), highest 44.64 ft (2015-05-29), average 42.42 ft, 363 days measured2016: lowest 41.94 ft (2016-11-01), highest 47.69 ft (2016-05-29), average 42.64 ft, 366 days measured2017: lowest 41.51 ft (2017-02-10), highest 52.37 ft (2017-08-29), average 42.45 ft, 365 days measured2018: lowest 40.24 ft (2018-03-28), highest 44.23 ft (2018-03-31), average 42.39 ft, 363 days measured2019: lowest 40.99 ft (2019-12-17), highest 47.50 ft (2019-09-20), average 41.83 ft, 361 days measured2020: lowest 41.01 ft (2020-08-27), highest 42.98 ft (2020-03-23), average 41.78 ft, 365 days measured2021: lowest 41.39 ft (2021-09-13), highest 44.01 ft (2021-05-03), average 42.52 ft, 360 days measured2022: lowest 41.59 ft (2022-03-21), highest 43.22 ft (2022-01-09), average 42.32 ft, 360 days measured2023: lowest 41.38 ft (2023-10-18), highest 44.24 ft (2023-01-30), average 42.43 ft, 364 days measured2024: lowest 41.38 ft (2024-06-17), highest 48.12 ft (2024-05-04), average 42.57 ft, 366 days measured2025: lowest 40.87 ft (2025-03-13), highest 43.20 ft (2025-06-16), average 42.33 ft, 365 days measured2026: lowest 40.93 ft (2026-04-17), highest 43.39 ft (2026-07-15), average 42.35 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.

  • 201136.34 ft on Sep 5
  • 201840.24 ft on Mar 28
  • 199940.81 ft on Nov 22
  • 202540.87 ft on Mar 13
  • 201340.98 ft on Sep 19

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (294 days)42.3540.93Apr 1743.39Jul 15
202542.3340.87Mar 1343.20Jun 16
202442.5741.38Jun 1748.12May 4
202342.4341.38Oct 1844.24Jan 30
202242.3241.59Mar 2143.22Jan 9
202142.5241.39Sep 1344.01May 3
202041.7841.01Aug 2742.98Mar 23
201941.8340.99Dec 1747.50Sep 20
201842.3940.24Mar 2844.23Mar 31
201742.4541.51Feb 1052.37Aug 29
201642.6441.94Nov 147.69May 29
201542.4241.27Oct 2244.64May 29
201442.2341.58Aug 3043.27May 29
201342.0340.98Sep 1943.11Oct 31
201242.0241.09Dec 1543.79Jul 15
201139.8436.34Sep 542.76Dec 23
201042.1941.02Nov 143.13Jul 3
200944.3341.68Oct 147.15Apr 29
200845.0944.40Jul 2347.99Sep 15
200744.8844.24Sep 2946.28Jan 18
200645.0344.13Nov 1646.86Oct 17
200545.0542.55Sep 2446.57Feb 9
200445.0342.98Oct 1846.87Feb 14
200345.2544.61Jun 247.44Nov 18
200245.2144.51Jun 1548.42Nov 7
200145.2343.86Oct 2248.66Jun 10
200043.3740.98Oct 2946.23Nov 25
199943.7740.81Nov 2245.95Apr 7
199844.4542.42Aug 549.96Nov 15
199745.1843.96Aug 2246.48May 25
1996 (164 days)44.8443.83Dec 646.25Sep 28

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

Monthly averages

MonthAverageLowestHighest
January43.5041.0647.39
February43.4740.9346.87
March43.4140.2446.44
April43.4740.8347.15
May43.5739.6448.12
June43.3738.5248.66
July43.2237.7246.42
August43.0536.4652.37
September43.0536.3447.99
October42.9736.7548.16
November43.2138.7949.96
December43.3840.6346.61

Download

Daily levels as CSV (10,997 rows; credit the original agencies listed below)