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Water report · Flathead Lake

Flathead Lake water level

Water report·at Polson Mt2h ago
2,892.26ftNormal

Near normal for mid October, and dropping this week. Above 73% of past October 13s on record.

Updated 12:30 AM UTC, Oct 13

Flathead Lake water level history

Oct 13typical 2,891.26 to 2,892.30 ft
2,892.26ft

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Oct 7Oct 10Oct 13
Oct 13typical 2,891.26 to 2,892.30 ft
2,892.26ft

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Sep 14Sep 28Oct 13
Oct 13typical 2,891.26 to 2,892.30 ft
2,892.26ft

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Jul 16Aug 29Oct 13
Oct 13typical 2,891.26 to 2,892.30 ft
2,892.26ft

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Oct 13Apr 13Oct 13

What this means

2,892.26 ft puts Flathead Lake in the 73rd percentile for October 13, against 27 years of record.

The median for this date is 2,891.78 ft, and half of all October 13s on record fell between 2,891.26 and 2,892.30.

Over the last 7 days, Flathead Lake held between 2,892.26 and 2,892.55 ft, lowest on Oct 13 and highest on Oct 7.

That is 0.29 ft lower than on Oct 7.

Over the last 30 days, Flathead Lake held between 2,892.26 and 2,893.13 ft, lowest on Oct 13 and highest on Sep 15.

That is 0.84 ft lower than on Sep 14.

Over the last 90 days, Flathead Lake held between 2,892.26 and 2,893.13 ft, lowest on Oct 13 and highest on Sep 15.

That is 0.78 ft lower than on Jul 16.

Over the last 12 months, Flathead Lake held between 2,886.35 and 2,893.15 ft, lowest on Mar 20 and highest on Jul 2.

That is 1.37 ft higher than on Oct 13.

On this water

No member has posted conditions here lately. The gauge says what the water is doing; an angler who was standing in it says what that felt like.

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USGS monitoring location 12371550, Flathead Lake at Polson MT, 13.2 miles from the center of Flathead Lake. Provisional data, subject to revision. Values refresh every 30 minutes. Readings describe the reservoir at the gauge; a shallow arm miles upstream will not match them.

About this gauge

Readings come from USGS monitoring location 12371550, Flathead Lake at Polson MT, 13.2 miles from the center of Flathead Lake. It reports reservoir elevation. Values refresh every 30 minutes and are provisional until the agency reviews them. Readings describe the reservoir at the gauge; a shallow arm miles upstream will not match them.

Flathead Lake fishing records

The gauge is half the picture. The other half is what came out of the water: verified catches, the current record, and the anglers holding it.

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