Rathbun Lake water level history
Daily records since 1989 · Level today: 905.88 ft
Highest on record
1,105.65 ft
May 26, 1991
Lowest on record
800.00 ft
Jun 21, 1994
Today
905.88 ft
Oct 21, 2026
Years of data
37
since 1989
In short
Across 36 complete years, 2006 had the lowest average level (901.18 ft) and 1990 the highest (919.45 ft).
On average the lake is lowest in December (904.65 ft) and highest in July (908.79 ft).
Rathbun Lake 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.
- 1994
- 1993
- 1995
- 2006
- 1990
Yearly highs and lows
| Year | Average | Low | Low date | High | High date |
|---|---|---|---|---|---|
| 2026 (292 days) | 905.76 | 904.13 | Jan 7 | 910.94 | Jun 15 |
| 2025 | 904.74 | 903.00 | Jan 25 | 910.75 | Aug 13 |
| 2024 | 904.22 | 902.41 | Jan 22 | 908.45 | May 16 |
| 2023 | 903.97 | 902.37 | Dec 21 | 906.09 | Mar 1 |
| 2022 | 904.74 | 903.40 | Oct 23 | 907.75 | May 6 |
| 2021 | 905.38 | 904.05 | Oct 9 | 909.87 | Jul 18 |
| 2020 | 904.36 | 903.19 | Nov 23 | 906.63 | May 31 |
| 2019 | 907.38 | 904.02 | Dec 21 | 918.10 | Jun 2 |
| 2018 | 905.17 | 903.00 | Jan 20 | 912.55 | Oct 13 |
| 2017 | 904.45 | 903.09 | Dec 31 | 907.76 | Apr 9 |
| 2016 | 905.60 | 904.14 | Dec 24 | 912.69 | Jan 1 |
| 2015 | 910.13 | 904.16 | Mar 22 | 921.51 | Aug 1 |
| 2014 | 907.62 | 903.93 | Apr 11 | 914.36 | Oct 17 |
| 2013 | 908.31 | 902.79 | Jan 26 | 920.99 | Jun 1 |
| 2012 | 904.33 | 903.07 | Dec 30 | 906.27 | May 8 |
| 2011 | 905.75 | 902.33 | Mar 16 | 916.29 | Jun 30 |
| 2010 | 911.60 | 902.23 | Dec 17 | 926.71 | Jul 24 |
| 2009 | 906.15 | 902.38 | Mar 4 | 910.49 | Jun 10 |
| 2008 | 912.50 | 903.47 | Mar 1 | 925.09 | Aug 1 |
| 2007 | 907.00 | 900.01 | Jan 1 | 914.18 | May 11 |
| 2006 | 901.18 | 899.85 | Nov 28 | 902.16 | May 12 |
| 2005 | 904.03 | 902.14 | Dec 31 | 907.02 | Apr 24 |
| 2004 | 905.10 | 902.93 | Jan 1 | 908.79 | Sep 1 |
| 2003 | 902.38 | 901.39 | Apr 19 | 903.56 | Jul 11 |
| 2002 | 904.07 | 901.81 | Dec 31 | 910.39 | May 17 |
| 2001 | 907.22 | 903.37 | Jan 9 | 914.06 | Jun 23 |
| 2000 | 903.36 | 902.33 | Jun 10 | 904.58 | Jul 13 |
| 1999 | 906.15 | 903.16 | Dec 31 | 913.94 | Jun 14 |
| 1998 | 910.13 | 904.10 | Jan 30 | 918.32 | Jun 21 |
| 1997 | 905.17 | 903.65 | Oct 11 | 908.99 | May 11 |
| 1996 | 907.47 | 903.94 | Dec 31 | 918.26 | Jun 8 |
| 1995 | 906.29 | 898.39 | Jan 26 | 917.21 | Jul 10 |
| 1994 | 913.18 | 800.00 | Jun 21 | 1,099.98 | Jan 11 |
| 1993 | 911.48 | 809.99 | Oct 22 | 927.13 | Jul 27 |
| 1992 | 909.98 | 902.99 | Jul 14 | 956.39 | Jul 2 |
| 1991 | 908.00 | 903.90 | Apr 11 | 1,105.65 | May 26 |
| 1990 | 919.45 | 900.01 | Mar 9 | 999.77 | Jun 29 |
| 1989 (1 days) | 959.70 | 959.70 | Dec 31 | 959.70 | Dec 31 |
Levels in feet. Partial years show the number of days with data.
Monthly averages
| Month | Average | Lowest | Highest |
|---|---|---|---|
| January | 908.06 | 888.11 | 1,099.98 |
| February | 908.22 | 898.48 | 1,000.95 |
| March | 905.23 | 898.78 | 1,000.15 |
| April | 905.53 | 899.74 | 916.98 |
| May | 907.82 | 899.90 | 1,105.65 |
| June | 908.24 | 800.00 | 999.77 |
| July | 908.79 | 899.81 | 956.39 |
| August | 907.58 | 899.34 | 926.58 |
| September | 906.86 | 898.91 | 922.83 |
| October | 905.87 | 809.99 | 921.38 |
| November | 905.46 | 898.41 | 919.42 |
| December | 904.65 | 881.33 | 959.70 |
Download
Daily levels as CSV (13,422 rows; credit the original agencies listed below)