Lago Guayo water level history

Daily records since 1980 · Level today: 1,459.63 ft

Highest on record

1,470.90 ft

Jul 8, 1996

Lowest on record

34.21 ft

May 23, 1984

Today

1,459.63 ft

Oct 21, 2026

Years of data

since 1980

In short

Across 33 complete years, 1982 had the lowest average level (52.08 ft) and 2012 the highest (1,459.23 ft).

On average the lake is lowest in June (1,272.21 ft) and highest in April (1,325.73 ft).

Lago Guayo 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.

198135.15 ft on Jan 20
198235.65 ft on Jun 30
198342.24 ft on Oct 14
19941,419.32 ft on May 27
19971,425.75 ft on Jun 5

Yearly highs and lows

Year	Average	Low	Low date	High	High date
2026 (293 days)	1,456.72	1,449.56	Jul 21	1,460.48	Apr 1
2025	1,459.15	1,454.07	Feb 18	1,460.83	May 2
2024	1,457.44	1,445.17	Feb 5	1,461.37	May 7
2023	1,457.92	1,450.84	Apr 23	1,460.86	Sep 19
2022	1,456.30	1,448.20	Jun 14	1,462.91	Sep 18
2021	1,453.02	1,441.59	Mar 16	1,460.61	Nov 1
2020	1,458.29	1,450.03	Jun 10	1,460.84	Sep 28
2019	1,455.36	1,446.05	Jun 18	1,460.73	Oct 16
2018	1,457.34	1,450.63	Jul 28	1,460.71	Nov 15
2017	1,457.21	1,442.27	Feb 21	1,461.71	Sep 20
2016	1,455.39	1,439.72	Mar 29	1,460.82	Nov 22
2015	1,458.73	1,447.58	Aug 11	1,461.04	Oct 25
2014	1,456.61	1,449.38	Mar 11	1,460.82	Nov 3
2013	1,457.16	1,449.85	Apr 13	1,460.75	May 7
2012	1,459.23	1,452.69	Jan 23	1,460.84	Apr 14
2011	1,457.77	1,449.87	Oct 19	1,461.18	May 20
2010	1,458.88	1,451.85	Apr 21	1,461.36	Oct 7
2009	1,454.10	1,443.86	Jul 31	1,460.80	Nov 16
2008	1,456.42	1,450.33	Jun 20	1,461.14	Sep 4
2007	1,453.29	1,445.97	Apr 21	1,461.20	Dec 11
2006	1,452.85	1,440.33	Aug 13	1,460.24	Apr 30
2005	1,456.51	1,448.13	May 17	1,461.97	Oct 10
2004	1,456.80	1,449.71	Jan 22	1,461.66	Sep 15
2003	1,447.38	1,437.08	May 11	1,460.77	Nov 18
2002	1,448.45	1,439.18	Mar 26	1,457.54	Dec 2
2001 (316 days)	1,449.74	1,436.36	Jul 16	1,460.86	May 10
2000	1,454.26	1,445.52	Jul 14	1,460.85	May 8
1999	1,454.55	1,438.85	Jun 2	1,460.80	Nov 18
1998	1,453.42	1,434.73	Feb 25	1,462.46	Sep 21
1997	1,444.41	1,425.75	Jun 5	1,460.75	Oct 15
1996 (242 days)	1,450.95	1,428.90	May 14	1,470.90	Jul 8
1995	1,452.39	1,431.71	Sep 4	1,460.77	May 9
1994	1,438.38	1,419.32	May 27	1,458.03	Jan 4
1993 (329 days)	1,453.08	1,432.72	Aug 24	1,461.13	Apr 14
1992 (194 days)	1,446.88	1,431.29	Nov 23	1,460.70	Oct 8
1991 (286 days)	1,438.26	1,419.61	Apr 17	1,446.87	Nov 19
1990 (314 days)	1,438.10	1,415.60	Jun 1	1,460.93	Oct 26
1989 (206 days)	1,448.04	1,432.38	Jul 21	1,461.12	Sep 18
1985 (30 days)	50.40	46.86	Jan 13	53.82	Jan 1
1984 (272 days)	49.80	34.21	May 23	60.82	Sep 17
1983	56.27	42.24	Oct 14	60.64	May 19
1982	52.08	35.65	Jun 30	60.88	Oct 18
1981	54.57	35.15	Jan 20	60.57	Oct 5
1980 (253 days)	52.97	38.19	Aug 26	61.95	May 27

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

Monthly averages

Month	Average	Lowest	Highest
January	1,289.42	35.15	1,460.91
February	1,319.49	38.00	1,460.48
March	1,308.29	35.19	1,460.66
April	1,325.73	34.74	1,461.13
May	1,301.92	34.21	1,461.37
June	1,272.21	35.65	1,468.50
July	1,279.11	35.74	1,470.90
August	1,296.62	38.19	1,461.01
September	1,296.64	39.54	1,462.91
October	1,287.45	42.24	1,461.97
November	1,285.96	46.04	1,461.02
December	1,282.60	50.16	1,461.20

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Daily levels as CSV (14,552 rows; credit the original agencies listed below)