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Water report · Henrys Fork

Henrys Fork conditions

Water report·near Ashton Id3h ago
910CFSVery low

Running very low for late September. Above 9% of past September 21s on record.

Updated 1:15 AM UTC, Sep 21

3.28 ftgage

Henrys Fork flow history

Aug 12typical 1,450 to 2,130 cfs
1,640cfs

Press and drag the chart to read past days

Aug 6Aug 9Aug 12
Aug 12typical 1,450 to 2,130 cfs
1,640cfs

Press and drag the chart to read past days

Jul 14Jul 28Aug 12
Aug 12typical 1,450 to 2,130 cfs
1,640cfs

Press and drag the chart to read past days

May 15Jun 28Aug 12
Aug 12typical 1,450 to 2,130 cfs
1,640cfs

Press and drag the chart to read past days

Sep 20Mar 2Aug 12

What this means

910 cfs puts Henrys Fork in the 9th percentile for September 21, against 114 years of record.

The median for this date is 1,310 cfs, and half of all September 21s on record fell between 1,150 and 1,600.

Over the last 7 days, Henrys Fork ran between 1,560 and 1,640 cfs, lowest on Aug 11 and highest on Aug 12.

That is 20.0 cfs higher than on Aug 6.

Over the last 30 days, Henrys Fork ran between 1,540 and 2,170 cfs, lowest on Aug 4 and highest on Jul 14.

That is 530 cfs lower than on Jul 14.

Over the last 90 days, Henrys Fork ran between 928 and 2,170 cfs, lowest on May 17 and highest on Jul 14.

That is 684 cfs higher than on May 15.

Over the last 12 months, Henrys Fork ran between 669 and 2,170 cfs, lowest on Oct 9 and highest on Jul 14.

That is 648 cfs higher than on Sep 20.

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.

Post a report

USGS monitoring location 13046000, HENRYS FORK NR ASHTON ID, 0.6 miles from the center of Henrys Fork. Provisional data, subject to revision. Values refresh every 30 minutes. Gauge readings describe the river at that point; conditions upstream and downstream will differ.

About this gauge

Readings come from USGS monitoring location 13046000, HENRYS FORK NR ASHTON ID, 0.6 miles from the center of Henrys Fork. It reports gage height and discharge. Values refresh every 30 minutes and are provisional until the agency reviews them. Gauge readings describe the river at that point; conditions upstream and downstream will differ.

Henrys Fork 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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