Mud Mountain Lake water level history

Daily records since 1976 · Level today: 915.86 ft

Highest on record

1,195.50 ft

Feb 10, 1996

Lowest on record

895.64 ft

Oct 13, 2006

Today

915.86 ft

Oct 21, 2026

Years of data

since 1976

In short

Across 40 complete years, 2005 had the lowest average level (909.98 ft) and 1979 the highest (971.28 ft).

On average the lake is lowest in September (922.26 ft) and highest in June (942.73 ft).

Mud Mountain Lake level, all years

Loading chart…

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

Lowest years

Years ranked by their lowest daily level.

2000896.70 ft on Nov 18
1999897.00 ft on Oct 12
2022897.87 ft on Oct 5
2002898.00 ft on Sep 29
2001898.00 ft on Feb 18

Yearly highs and lows

Year	Average	Low	Low date	High	High date
2026 (290 days)	942.13	902.50	Jun 29	1,146.32	Mar 23
2025	942.93	903.77	Jul 5	1,184.15	Dec 13
2024	921.44	901.22	Oct 19	1,011.33	Jan 30
2023	921.00	900.35	Oct 31	1,058.96	Dec 7
2022	928.39	897.87	Oct 5	1,090.21	Mar 3
2021	922.11	899.72	Sep 1	1,084.61	Nov 15
2020	933.36	903.27	Oct 5	1,176.45	Feb 9
2019	918.24	902.24	Oct 16	1,024.93	Dec 22
2018	929.88	902.84	Dec 7	1,078.30	Feb 17
2017	940.20	903.40	Jan 13	1,090.55	Nov 25
2016	931.01	901.50	Oct 5	1,137.70	Feb 19
2015	953.68	902.57	Aug 25	1,126.59	Dec 11
2014	927.87	902.37	Oct 3	1,087.63	Mar 11
2013	919.19	903.22	Sep 26	1,040.14	Dec 3
2012	925.22	902.18	Oct 7	1,102.15	Jul 19
2011	945.92	903.51	Dec 24	1,116.38	Jan 19
2010	920.84	903.17	Aug 31	1,034.94	Dec 14
2009	928.57	902.25	Oct 13	1,161.45	Jan 9
2008 (316 days)	938.02	901.54	Nov 4	1,112.23	Nov 14
2007	929.63	904.69	Feb 14	1,024.84	Dec 4
2006 (316 days)	933.85	895.64	Oct 13	1,086.46	Nov 19
2005	909.98	900.07	Sep 25	1,074.51	Jan 20
2004	914.23	900.70	Nov 23	1,056.06	Jan 31
2003	919.02	900.20	Nov 7	1,090.20	Feb 2
2002	912.29	898.00	Sep 29	1,057.30	Apr 15
2001	933.56	898.00	Feb 18	1,089.10	Aug 24
2000	910.15	896.70	Nov 18	1,001.60	Jun 16
1999	919.56	897.00	Oct 12	1,081.30	Nov 26
1998 (314 days)	932.09	902.00	Nov 20	1,073.30	Dec 31
1997 (274 days)	953.31	899.90	Sep 2	1,104.10	Mar 21
1996 (329 days)	970.56	915.70	Aug 21	1,195.50	Feb 10
1995 (315 days)	945.41	904.50	Mar 31	1,161.20	Dec 1
1994 (295 days)	917.13	907.00	Sep 12	1,091.90	Dec 28
1993 (300 days)	914.58	907.00	Feb 26	931.00	May 17
1992 (328 days)	914.27	906.00	Dec 11	998.80	Jan 29
1991	928.90	906.00	Aug 27	1,080.30	Feb 21
1990	947.66	905.00	Aug 18	1,127.00	Nov 26
1989	924.43	903.00	Oct 23	1,016.90	Jun 15
1988	935.44	905.00	Jan 7	1,031.20	May 14
1987	935.10	903.00	Nov 4	1,091.80	Apr 15
1986	955.47	905.00	Feb 12	1,074.60	Jun 13
1985	956.11	907.00	Sep 23	1,037.10	Aug 1
1984	969.57	906.80	Jan 1	1,072.00	Jun 14
1983	931.16	902.00	Oct 27	1,033.80	Jun 2
1982	968.13	915.00	Jan 1	1,075.30	Jul 4
1981	956.50	914.00	Mar 21	1,039.00	Jan 1
1980	932.63	917.80	Oct 31	1,038.00	Dec 31
1979	971.28	910.00	Jan 25	1,087.20	Jun 6
1978	953.68	909.20	Dec 20	1,010.00	Dec 5
1977	962.03	907.40	Feb 8	1,126.60	Dec 3
1976 (92 days)	960.31	912.00	Dec 18	984.40	Dec 27

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

Monthly averages

Month	Average	Lowest	Highest
January	942.57	899.00	1,161.45
February	942.05	898.00	1,195.50
March	939.61	898.00	1,146.32
April	936.14	902.10	1,100.32
May	937.60	904.50	1,083.50
June	942.73	902.50	1,106.50
July	930.70	903.22	1,102.15
August	927.78	900.00	1,089.10
September	922.26	898.00	1,032.40
October	924.97	895.64	1,075.49
November	935.34	896.70	1,150.30
December	940.20	897.00	1,184.15

Download

Daily levels as CSV (17,657 rows; credit the original agencies listed below)