Moses Lake water level history

Daily records since 1974 · Level today: 1,046.65 ft

Highest on record

1,047.25 ft

Apr 9, 1988

Lowest on record

1,040.69 ft

Jan 14, 2022

Today

1,046.65 ft

Oct 21, 2026

Years of data

since 1974

In short

Across 46 complete years, 2021 had the lowest average level (1,044.57 ft) and 1984 the highest (1,046.00 ft).

On average the lake is lowest in December (1,042.92 ft) and highest in September (1,046.77 ft).

Moses 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.

20211,040.72 ft on Dec 31
20201,040.93 ft on Dec 29
20231,041.12 ft on Jan 1
20191,041.12 ft on Jan 3
20181,041.13 ft on Dec 29

Yearly highs and lows

Year	Average	Low	Low date	High	High date
2026 (292 days)	1,045.61	1,042.00	Jan 1	1,046.86	May 14
2025	1,045.20	1,041.46	Dec 10	1,047.07	May 4
2024	1,045.01	1,041.21	Dec 13	1,046.92	Nov 3
2023	1,044.84	1,041.12	Jan 1	1,046.87	Apr 26
2022 (298 days)	1,045.26	1,040.69	Jan 14	1,046.81	May 13
2021	1,044.57	1,040.72	Dec 31	1,046.86	Oct 23
2020	1,044.85	1,040.93	Dec 29	1,046.82	May 2
2019	1,044.87	1,041.12	Jan 3	1,046.85	May 16
2018	1,045.16	1,041.13	Dec 29	1,046.85	Apr 24
2017	1,045.35	1,041.33	Dec 15	1,046.95	Sep 2
2016	1,045.01	1,041.31	Jan 7	1,046.85	Sep 21
2015	1,045.06	1,041.36	Dec 31	1,047.00	Sep 17
2014	1,045.29	1,042.72	Feb 8	1,046.84	Oct 23
2013	1,045.35	1,042.21	Jan 24	1,046.96	May 31
2012	1,045.21	1,042.26	Jan 25	1,046.82	May 7
2011	1,045.32	1,042.32	Jan 11	1,047.00	Aug 31
2010	1,045.11	1,042.26	Jan 3	1,046.81	May 26
2009	1,045.17	1,042.25	Jan 20	1,046.85	Apr 30
2008	1,045.31	1,042.29	Dec 20	1,046.79	Jul 31
2007	1,045.17	1,042.37	Dec 31	1,047.00	Sep 3
2006	1,045.48	1,042.46	Jan 5	1,047.01	Aug 1
2005	1,045.25	1,042.36	Jan 5	1,047.04	Sep 2
2004	1,044.97	1,042.13	Mar 24	1,047.02	Aug 17
2003	1,045.21	1,042.46	Dec 31	1,046.99	Sep 24
2002	1,045.31	1,042.66	Jan 24	1,047.05	Sep 14
2001	1,045.38	1,042.80	Dec 30	1,046.94	Aug 12
2000	1,045.38	1,042.99	Dec 31	1,047.11	Sep 12
1999	1,045.48	1,042.88	Dec 22	1,046.90	Sep 11
1998	1,045.65	1,043.01	Dec 23	1,046.79	Jul 25
1997	1,045.50	1,042.96	Jan 27	1,046.82	Oct 23
1996	1,045.51	1,042.99	Jan 18	1,046.81	Jun 23
1995	1,045.45	1,042.81	Dec 2	1,046.82	Oct 27
1994	1,045.33	1,042.80	Feb 15	1,046.84	Jun 29
1993	1,045.41	1,042.94	Dec 28	1,046.90	May 5
1992	1,045.57	1,043.68	Dec 25	1,047.04	Jun 20
1991 (93 days)	1,045.26	1,043.62	Dec 27	1,046.94	Oct 3
1990 (207 days)	1,045.40	1,043.47	Mar 13	1,046.97	Jun 22
1989 (93 days)	1,045.09	1,043.62	Dec 15	1,046.79	Sep 30
1988 (273 days)	1,045.79	1,043.66	Feb 23	1,047.25	Apr 9
1987	1,045.55	1,043.49	Jan 29	1,047.18	Sep 1
1986	1,045.71	1,043.69	Feb 18	1,047.14	Aug 24
1985	1,045.77	1,043.59	Nov 27	1,047.05	Sep 10
1984	1,046.00	1,043.66	Nov 7	1,047.22	Jun 29
1983	1,045.73	1,043.52	Dec 4	1,047.24	Apr 18
1982	1,045.60	1,043.40	Jan 8	1,047.12	Jul 1
1981	1,045.64	1,043.47	Dec 30	1,047.00	Aug 9
1980	1,045.86	1,043.50	Dec 19	1,047.08	Apr 13
1979	1,045.57	1,043.60	Jan 8	1,047.21	Apr 23
1978	1,045.73	1,043.62	Dec 26	1,047.01	Jul 9
1977	1,045.89	1,043.68	Dec 31	1,047.06	Apr 12
1976	1,045.77	1,044.22	Jan 10	1,046.88	Aug 3
1975	1,045.82	1,044.23	Jan 23	1,046.84	Aug 6
1974 (92 days)	1,045.80	1,044.39	Dec 31	1,046.80	Oct 10

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

Monthly averages

Month	Average	Lowest	Highest
January	1,042.99	1,040.69	1,044.91
February	1,043.57	1,041.61	1,046.57
March	1,044.22	1,041.26	1,047.01
April	1,046.18	1,042.66	1,047.25
May	1,046.72	1,045.81	1,047.07
June	1,046.73	1,046.27	1,047.22
July	1,046.73	1,046.32	1,047.21
August	1,046.76	1,046.46	1,047.17
September	1,046.77	1,046.42	1,047.18
October	1,046.66	1,044.52	1,046.99
November	1,044.23	1,041.23	1,046.92
December	1,042.92	1,040.72	1,044.89

Download

Daily levels as CSV (18,018 rows; credit the original agencies listed below)