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Sam Rayburn Reservoir water level history

Daily records since 2000 · Level today: 153.25 ft

Highest on record
175.22 ft
Jun 3, 2021
Lowest on record
150.81 ft
Nov 13, 2011
Today
153.25 ft
Oct 21, 2026
Years of data
26
since 2000

In short

Across 25 complete years, 2011 had the lowest average level (154.21 ft) and 2019 the highest (166.21 ft).

On average the lake is lowest in October (159.63 ft) and highest in June (164.64 ft).

Sam Rayburn Reservoir level, all years

Loading chart…

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

Lowest years

Years ranked by their lowest daily level.

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (291 days)155.72153.31Oct 20156.92Jul 4
2025161.10155.09Nov 24166.96Feb 28
2024163.82156.91Jan 22172.43Jun 17
2023161.70157.07Dec 31165.77May 18
2022160.66157.91Dec 10163.51May 26
2021164.86160.76Jan 1175.22Jun 3
2020162.78159.89Nov 25165.66May 1
2019166.21161.56Oct 14174.89Jan 27
2018163.45160.48Sep 23170.27Dec 31
2017163.35161.29Jan 1167.29Sep 4
2016164.87160.77Nov 28170.74Mar 25
2015166.15161.50Oct 24173.89Jun 22
2014162.37160.26Jan 1164.73Jul 24
2013160.52157.30Oct 29162.87Apr 19
2012160.61152.27Jan 1164.28May 13
2011154.21150.81Nov 13156.65Mar 6
2010160.69155.77Dec 30165.10Mar 21
2009160.91157.55Jan 1164.07Nov 6
2008160.49157.09Nov 11164.48Apr 12
2007163.42158.78Dec 11168.54Jan 28
2006161.83159.28Oct 15164.28Dec 31
2005162.90159.33Dec 13167.63Feb 18
2004164.36159.53Jan 1168.66May 20
2003163.30158.35Nov 15169.82Mar 13
2002162.73157.81Oct 18166.84Jan 1
2001165.48160.15Jan 1173.22Mar 30
2000 (92 days)156.74155.34Nov 1159.98Dec 31

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

Monthly averages

MonthAverageLowestHighest
January161.75152.27174.89
February162.87154.55174.80
March163.88155.43173.22
April164.12156.08173.15
May164.46155.82175.12
June164.64155.39175.22
July163.25154.11173.05
August161.67152.63169.85
September160.52151.71167.29
October159.63150.90164.63
November159.86150.81166.32
December160.37150.94170.27

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Daily levels as CSV (9,472 rows; credit the original agencies listed below)