Yellowtail Reservoir water level history

Daily records since 1989 · Level today: 3,626.47 ft

Highest on record

3,888.20 ft

Aug 5, 2007

Lowest on record

3,502.72 ft

Oct 23, 1991

Today

3,626.47 ft

Oct 21, 2026

Years of data

since 1989

In short

Across 33 complete years, 2007 had the lowest average level (3,589.59 ft) and 2009 the highest (3,635.45 ft).

On average the lake is lowest in April (3,606.54 ft) and highest in July (3,632.72 ft).

Yellowtail 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.

19913,502.72 ft on Oct 23
20073,506.51 ft on Feb 21
20063,510.73 ft on Dec 31
20033,572.80 ft on Mar 11
20043,581.85 ft on May 8

Yearly highs and lows

Year	Average	Low	Low date	High	High date
2026 (292 days)	3,621.06	3,613.76	Apr 16	3,628.04	Jan 1
2025	3,626.81	3,615.67	Apr 16	3,633.98	Jun 27
2024	3,628.87	3,613.10	May 8	3,637.75	Jun 27
2023	3,630.59	3,613.95	Mar 15	3,647.76	Jun 30
2022	3,628.13	3,615.30	Apr 21	3,639.60	Jul 9
2021	3,624.96	3,613.51	May 20	3,631.20	Nov 15
2020	3,627.83	3,608.22	May 8	3,640.15	Jul 5
2019	3,630.32	3,612.76	May 8	3,648.08	Jul 11
2018	3,628.28	3,603.88	Apr 30	3,645.33	Jun 28
2017	3,629.40	3,603.45	May 10	3,646.97	Jul 15
2016	3,628.64	3,616.48	May 7	3,638.45	Oct 18
2015	3,632.92	3,621.18	May 7	3,647.87	Jun 21
2014	3,629.71	3,602.39	May 23	3,641.77	Sep 18
2013	3,633.05	3,624.68	May 15	3,640.67	Nov 19
2012	3,626.55	3,614.89	May 11	3,635.59	Jun 26
2011	3,632.23	3,606.53	May 20	3,655.01	Jul 24
2010	3,631.74	3,624.33	Dec 31	3,645.66	Jun 29
2009	3,635.45	3,619.53	May 21	3,749.58	Jun 27
2008	3,629.67	3,607.50	May 9	3,718.03	Apr 26
2007	3,589.59	3,506.51	Feb 21	3,888.20	Aug 5
2006	3,604.49	3,510.73	Dec 31	3,746.39	Aug 16
2005	3,616.22	3,583.31	Apr 8	3,642.76	Jul 1
2004	3,590.99	3,581.85	May 8	3,604.95	Jan 1
2003	3,595.56	3,572.80	Mar 11	3,616.07	Jul 8
2002 (321 days)	3,586.16	3,576.20	Sep 9	3,597.56	Jan 16
2001 (300 days)	3,613.71	3,602.67	Oct 4	3,622.77	Jan 4
2000	3,626.60	3,619.48	Sep 21	3,634.29	Jun 29
1999	3,628.86	3,605.08	Apr 23	3,649.23	Jul 12
1998	3,630.07	3,614.49	May 11	3,642.59	Aug 6
1997	3,626.29	3,593.23	May 8	3,651.71	Jul 14
1996	3,624.23	3,605.51	May 5	3,635.17	Jul 16
1995	3,625.31	3,609.08	Feb 20	3,646.28	Jul 17
1994	3,612.70	3,603.42	Sep 13	3,622.83	Jan 2
1993	3,628.23	3,611.99	May 1	3,643.47	Jul 8
1992 (274 days)	3,568.76	3,503.06	Jul 9	3,641.23	Jul 31
1991	3,600.57	3,502.72	Oct 23	3,662.32	Jan 16
1990	3,618.78	3,593.43	Apr 13	3,682.86	Aug 24
1989 (1 days)	3,620.87	3,620.87	Dec 31	3,620.87	Dec 31

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

Monthly averages

Month	Average	Lowest	Highest
January	3,616.77	3,507.34	3,662.32
February	3,611.83	3,506.51	3,631.20
March	3,609.07	3,507.04	3,630.89
April	3,606.54	3,509.27	3,735.08
May	3,608.77	3,511.73	3,661.79
June	3,626.49	3,511.60	3,796.89
July	3,632.72	3,503.06	3,814.03
August	3,630.71	3,577.29	3,888.20
September	3,628.26	3,521.02	3,643.04
October	3,627.42	3,502.72	3,642.71
November	3,627.29	3,521.66	3,755.66
December	3,622.92	3,510.73	3,656.41

Download

Daily levels as CSV (13,150 rows; credit the original agencies listed below)