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Lahontan Reservoir water level history

Daily records since 2020 · Level today: 4,124.96 ft

Highest on record
4,162.73 ft
May 31, 2024
Lowest on record
4,089.62 ft
Aug 17, 2021
Today
4,124.96 ft
Oct 23, 2026
Years of data
7
since 2020

In short

Across 5 complete years, 2021 had the lowest average level (4,119.88 ft) and 2024 the highest (4,152.69 ft).

On average the lake is lowest in October (4,123.01 ft) and highest in June (4,150.57 ft).

Lahontan Reservoir level, all years

Loading chart…

Measured Normal range for the date (middle 50% of past years)

Each year's lowest and highest level

4,0854,1064,1264,1474,16720202021202220232024202520262020: lowest 4,119.91 ft (2020-11-11), highest 4,153.86 ft (2020-06-03), average 4,137.86 ft, 280 days measured2021: lowest 4,089.62 ft (2021-08-17), highest 4,140.89 ft (2021-04-07), average 4,119.88 ft, 350 days measured2022: lowest 4,096.67 ft (2022-10-18), highest 4,145.23 ft (2022-06-02), average 4,126.91 ft, 365 days measured2023: lowest 4,113.15 ft (2023-01-01), highest 4,162.37 ft (2023-07-16), average 4,147.74 ft, 362 days measured2024: lowest 4,138.29 ft (2024-11-14), highest 4,162.73 ft (2024-05-31), average 4,152.69 ft, 366 days measured2025: lowest 4,122.13 ft (2025-11-12), highest 4,152.64 ft (2025-05-15), average 4,140.72 ft, 365 days measured2026: lowest 4,124.96 ft (2026-10-22), highest 4,156.40 ft (2026-04-10), average 4,146.13 ft, 295 days measured
4,0854,1064,1264,1474,16720202022202420262020: lowest 4,119.91 ft (2020-11-11), highest 4,153.86 ft (2020-06-03), average 4,137.86 ft, 280 days measured2021: lowest 4,089.62 ft (2021-08-17), highest 4,140.89 ft (2021-04-07), average 4,119.88 ft, 350 days measured2022: lowest 4,096.67 ft (2022-10-18), highest 4,145.23 ft (2022-06-02), average 4,126.91 ft, 365 days measured2023: lowest 4,113.15 ft (2023-01-01), highest 4,162.37 ft (2023-07-16), average 4,147.74 ft, 362 days measured2024: lowest 4,138.29 ft (2024-11-14), highest 4,162.73 ft (2024-05-31), average 4,152.69 ft, 366 days measured2025: lowest 4,122.13 ft (2025-11-12), highest 4,152.64 ft (2025-05-15), average 4,140.72 ft, 365 days measured2026: lowest 4,124.96 ft (2026-10-22), highest 4,156.40 ft (2026-04-10), average 4,146.13 ft, 295 days measured
Lowest to highest that yearYear average2026 so far

One bar per year from the lowest to the highest daily level, with the year's average. Years with no bar have no daily record in the agency archive.

Lowest years

Years ranked by their lowest daily level.

  • 20214,089.62 ft on Aug 17
  • 20224,096.67 ft on Oct 18
  • 20234,113.15 ft on Jan 1
  • 20254,122.13 ft on Nov 12
  • 20244,138.29 ft on Nov 14

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (295 days)4,146.134,124.96Oct 224,156.40Apr 10
20254,140.724,122.13Nov 124,152.64May 15
20244,152.694,138.29Nov 144,162.73May 31
20234,147.744,113.15Jan 14,162.37Jul 16
20224,126.914,096.67Oct 184,145.23Jun 2
20214,119.884,089.62Aug 174,140.89Apr 7
2020 (280 days)4,137.864,119.91Nov 114,153.86Jun 3

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

Monthly averages

MonthAverageLowestHighest
January4,137.784,113.154,155.98
February4,143.714,131.644,158.07
March4,147.964,136.644,160.18
April4,148.224,128.754,161.31
May4,148.674,129.654,162.73
June4,150.574,128.744,162.73
July4,145.464,110.054,162.37
August4,135.564,089.624,161.72
September4,128.144,091.194,158.36
October4,123.014,092.304,154.92
November4,125.074,099.134,152.79
December4,129.704,106.614,154.26

Download

Daily levels as CSV (2,383 rows; credit the original agencies listed below)