Loyalhanna Lake water level history

Daily records since 2013 · Level today: 923.35 ft

Highest on record

955.93 ft

Sep 11, 2018

Lowest on record

916.94 ft

Jan 11, 2020

Today

923.35 ft

Oct 21, 2026

Years of data

since 2013

In short

Across 12 complete years, 2016 had the lowest average level (922.37 ft) and 2018 the highest (925.41 ft).

On average the lake is lowest in December (921.86 ft) and highest in April (925.81 ft).

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

Years ranked by their lowest daily level.

Year	Average	Low	Low date	High	High date
2026 (288 days)	926.44	919.57	Feb 2	944.63	Mar 29
2025	924.78	919.62	Jan 10	945.41	Apr 8
2024	924.50	918.17	Jan 7	955.80	Apr 5
2023	923.11	918.33	Dec 22	936.04	Mar 26
2022	923.85	918.27	Mar 9	942.40	May 8
2021	922.88	917.76	Jan 25	938.00	Mar 2
2020	923.45	916.94	Jan 11	940.54	Feb 14
2019	924.12	917.92	Mar 25	946.33	Feb 9
2018	925.41	917.08	Jan 8	955.93	Sep 11
2017	923.65	917.69	Jan 22	938.41	Jun 25
2016	922.37	917.48	Feb 12	946.14	Dec 19
2015	923.69	917.44	Jan 29	947.49	Mar 16
2014	922.94	918.13	Jan 29	941.62	May 17
2013 (159 days)	923.55	918.71	Nov 22	939.10	Aug 30

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

Month	Average	Lowest	Highest
January	922.45	916.94	939.36
February	925.33	917.48	951.49
March	924.28	917.92	947.49
April	925.81	918.96	955.80
May	925.43	921.69	942.40
June	924.53	921.42	940.50
July	923.86	921.29	935.84
August	923.63	921.40	939.10
September	924.22	922.05	955.93
October	923.50	920.84	933.22
November	921.91	917.95	930.74
December	921.86	917.81	946.14

Daily levels as CSV (4,830 rows; credit the original agencies listed below)