Henrys Fork near Lake ID

USGS Site No: 13039500 • Henrys Fork • Fremont County, ID

Henrys Fork near Lake ID on the Henrys Fork is currently at 20 cfs (Low — 22th percentile for this date) . Gage height: 4.51 ft.

Reading from

Downstream on Henrys Fork ↓
Henrys Fork near Island Park ID
20
CFS Discharge
4.51
Gage Height (ft)
Low
Flow Condition
N/A
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile Label CFS Threshold Today's Flow
10th Very Low threshold 8
25th Low threshold 23 Today: 20 cfs
50th (Median) Normal (median) 70
75th High threshold 146
95th Very High threshold 243

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

241 120 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 11 —
May 27, 2026 10 —
May 26, 2026 10 —
May 25, 2026 9 —
May 24, 2026 8 —
May 23, 2026 8 —
May 22, 2026 8 —
May 21, 2026 10 —
May 20, 2026 8 —
May 19, 2026 8 —
May 18, 2026 10 —
May 17, 2026 10 —
May 16, 2026 9 —
May 15, 2026 8 —
Apr 20, 2026 6 —
Apr 19, 2026 6 —
Apr 18, 2026 6 —
Apr 17, 2026 6 —
Apr 16, 2026 6 —
Apr 15, 2026 6 —
Apr 14, 2026 6 —
Apr 13, 2026 6 —
Apr 12, 2026 6 —
Apr 11, 2026 6 —
Apr 10, 2026 6 —
Apr 9, 2026 6 —
Apr 8, 2026 7 —
Apr 7, 2026 8 —
Apr 6, 2026 8 —
Apr 5, 2026 10 —

Station Information

USGS Site No
13039500
State
ID
County
Fremont County
Coordinates
44.5944, -111.3497
Drainage Area
95 mi²
Datum (ft)
6,451.4
HUC Code
17040202
View on USGS NWIS →

Recent Extremes

Max discharge
73 cfs
Sep 24, 2025
Min discharge
4 cfs
May 2, 2025

Computed from the local daily-values archive.

Nearby Gauges

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