Galesville Reservoir water level history

Daily records since 1985 · Level today: 1,813.98 ft

Highest on record

1,883.62 ft

Jan 2, 1997

Lowest on record

1,780.00 ft

Oct 31, 1985

Today

1,813.98 ft

Oct 21, 2026

Years of data

since 1985

In short

Across 37 complete years, 2022 had the lowest average level (1,823.67 ft) and 2024 the highest (1,863.06 ft).

On average the lake is lowest in November (1,834.85 ft) and highest in May (1,865.40 ft).

Galesville Reservoir 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.

19911,805.04 ft on Jan 9
19921,805.63 ft on Nov 21
20211,805.85 ft on Dec 11
19901,806.30 ft on Dec 31
20221,807.02 ft on Jan 2

Yearly highs and lows

Year	Average	Low	Low date	High	High date
2026 (292 days)	1,835.18	1,814.10	Oct 20	1,843.22	Mar 9
2025	1,861.01	1,835.03	Dec 17	1,880.08	Mar 17
2024	1,863.06	1,836.04	Jan 5	1,878.98	May 7
2023	1,850.97	1,819.84	Jan 1	1,871.65	May 17
2022	1,823.67	1,807.02	Jan 2	1,835.76	Jun 22
2021	1,833.61	1,805.85	Dec 11	1,853.08	Apr 3
2020	1,839.86	1,818.38	Dec 25	1,851.96	Apr 11
2019	1,854.75	1,817.03	Jan 17	1,879.81	Apr 10
2018	1,838.36	1,819.02	Dec 17	1,852.23	Apr 21
2017	1,861.31	1,837.62	Dec 31	1,880.19	Apr 29
2016	1,862.95	1,841.45	Nov 19	1,878.30	May 7
2015	1,853.22	1,836.76	Dec 2	1,868.18	Feb 11
2014	1,845.09	1,833.97	Feb 11	1,856.93	Apr 7
2013	1,861.32	1,834.96	Dec 31	1,875.53	Apr 24
2012	1,861.78	1,837.49	Jan 17	1,881.72	Mar 31
2011	1,860.32	1,838.09	Dec 29	1,879.40	Apr 21
2010	1,854.03	1,839.64	Nov 26	1,869.85	Jun 21
2009	1,851.47	1,838.38	Dec 30	1,863.19	May 17
2008	1,859.30	1,837.63	Dec 23	1,875.97	May 18
2007	1,859.14	1,838.27	Nov 17	1,875.24	May 10
2006	1,862.31	1,841.83	Nov 19	1,876.22	May 4
2005	1,855.89	1,839.40	Nov 28	1,873.53	Dec 31
2004	1,857.78	1,841.09	Dec 7	1,871.95	Apr 26
2003	1,858.14	1,840.46	Dec 4	1,879.97	Apr 27
2002	1,853.38	1,837.91	Jan 1	1,860.71	Apr 4
2001	1,828.36	1,808.28	Nov 21	1,837.04	Dec 31
2000	1,859.14	1,837.06	Dec 31	1,878.69	May 22
1999	1,859.82	1,840.09	Dec 1	1,878.14	May 12
1998 (311 days)	1,864.48	1,842.58	Oct 31	1,882.21	May 21
1997	1,859.17	1,843.93	Dec 15	1,883.62	Jan 2
1996	1,862.64	1,841.33	Jan 7	1,881.69	May 22
1995	1,860.53	1,822.13	Jan 6	1,879.72	May 5
1994	1,829.87	1,807.89	Nov 15	1,842.85	Mar 5
1993	1,860.34	1,826.39	Jan 1	1,881.36	May 9
1992	1,829.80	1,805.63	Nov 21	1,842.52	Mar 5
1991	1,843.84	1,805.04	Jan 9	1,864.69	Jun 6
1990	1,830.56	1,806.30	Dec 31	1,846.36	Mar 25
1989	1,855.46	1,826.19	Jan 1	1,879.71	May 7
1988	1,836.17	1,816.11	Nov 13	1,848.55	Jun 13
1987 (312 days)	1,856.36	1,839.69	Nov 26	1,874.92	Apr 5
1986 (241 days)	1,845.41	1,798.90	Jan 31	1,849.20	Jun 3
1985 (3 days)	1,781.73	1,780.00	Oct 31	1,785.20	Dec 31

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

Monthly averages

Month	Average	Lowest	Highest
January	1,841.49	1,798.90	1,883.62
February	1,847.60	1,813.24	1,871.87
March	1,857.27	1,821.17	1,881.72
April	1,863.79	1,821.62	1,881.18
May	1,865.40	1,829.75	1,882.21
June	1,864.14	1,831.71	1,881.54
July	1,860.22	1,828.66	1,879.87
August	1,854.40	1,821.83	1,874.74
September	1,847.44	1,815.24	1,866.50
October	1,840.47	1,780.00	1,861.32
November	1,834.85	1,780.00	1,855.58
December	1,836.97	1,785.20	1,875.63

Download

Daily levels as CSV (14,607 rows; credit the original agencies listed below)