Jamestown Reservoir water level history

Daily records since 1989 · Level today: 1,429.83 ft

Highest on record

1,719.13 ft

Jul 4, 1992

Lowest on record

1,246.21 ft

Jan 31, 1990

Today

1,429.83 ft

Oct 21, 2026

Years of data

since 1989

In short

Across 33 complete years, 1991 had the lowest average level (1,424.79 ft) and 2011 the highest (1,437.80 ft).

On average the lake is lowest in January (1,428.73 ft) and highest in May (1,434.86 ft).

Jamestown 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.

19901,246.21 ft on Jan 31
20071,400.46 ft on Oct 26
19911,418.12 ft on Apr 20
19931,418.37 ft on Jan 19
20201,423.89 ft on Mar 20

Yearly highs and lows

Year	Average	Low	Low date	High	High date
2026 (294 days)	1,430.75	1,429.35	Jan 1	1,433.18	Apr 9
2025	1,430.30	1,429.17	Jan 1	1,432.13	Aug 8
2024	1,431.00	1,429.14	Dec 27	1,433.71	Jul 10
2023	1,432.44	1,429.36	Nov 30	1,443.66	May 21
2022	1,431.97	1,426.17	Jan 1	1,442.44	May 22
2021	1,428.16	1,426.01	Oct 8	1,429.97	Apr 12
2020	1,432.03	1,423.89	Mar 20	1,439.67	Apr 16
2019	1,433.58	1,429.80	Jan 4	1,442.00	Nov 12
2018	1,430.34	1,429.63	Nov 16	1,432.26	May 19
2017	1,431.40	1,429.36	Feb 16	1,439.12	Apr 21
2016	1,430.46	1,429.25	Dec 21	1,432.00	Sep 8
2015	1,430.16	1,429.50	Jan 19	1,431.83	May 25
2014	1,430.25	1,428.10	Mar 9	1,433.85	May 12
2013	1,431.54	1,428.66	Dec 18	1,441.00	Jun 5
2012	1,429.80	1,428.03	Jan 4	1,431.52	Apr 19
2011	1,437.80	1,427.49	Nov 24	1,451.52	May 1
2010	1,432.81	1,428.55	Oct 24	1,445.63	Apr 15
2009	1,434.87	1,429.17	Dec 11	1,454.01	Apr 27
2008	1,429.91	1,429.15	Feb 3	1,431.52	Jun 19
2007	1,429.97	1,400.46	Oct 26	1,432.61	Jun 26
2006	1,429.63	1,428.52	Jan 27	1,431.13	Jun 25
2005	1,430.38	1,428.48	Dec 10	1,432.27	May 1
2004	1,430.74	1,428.12	Oct 6	1,437.47	Apr 18
2003	1,430.03	1,428.84	Feb 18	1,432.48	May 24
2002	1,430.41	1,428.94	Dec 15	1,431.90	Apr 24
2001 (322 days)	1,430.94	1,425.72	Jan 1	1,442.84	Apr 21
2000 (298 days)	1,431.62	1,425.63	Dec 27	1,438.71	Aug 1
1999	1,431.29	1,425.63	Dec 26	1,441.64	Apr 22
1998	1,431.17	1,426.31	Oct 14	1,439.37	Apr 13
1997	1,433.24	1,427.25	Mar 25	1,445.75	May 2
1996	1,433.71	1,429.46	Oct 10	1,444.87	Apr 25
1995	1,433.22	1,429.46	Sep 22	1,442.92	Apr 18
1994	1,432.81	1,428.82	Nov 23	1,440.54	Apr 12
1993	1,429.72	1,418.37	Jan 19	1,442.81	Aug 15
1992 (299 days)	1,423.30	1,414.43	Sep 26	1,719.13	Jul 4
1991	1,424.79	1,418.12	Apr 20	1,620.21	Jun 4
1990	1,425.77	1,246.21	Jan 31	1,671.59	Aug 21
1989 (1 days)	1,426.39	1,426.39	Dec 31	1,426.39	Dec 31

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

Monthly averages

Month	Average	Lowest	Highest
January	1,428.73	1,246.21	1,517.62
February	1,428.80	1,420.92	1,435.93
March	1,429.32	1,420.91	1,441.44
April	1,433.67	1,418.12	1,454.01
May	1,434.86	1,418.89	1,453.95
June	1,433.28	1,371.70	1,620.21
July	1,432.81	1,421.87	1,719.13
August	1,431.53	1,421.42	1,671.59
September	1,430.61	1,414.43	1,449.10
October	1,429.22	1,400.46	1,442.30
November	1,429.01	1,418.67	1,442.00
December	1,428.92	1,420.66	1,440.75

Download

Daily levels as CSV (13,151 rows; credit the original agencies listed below)