Lemhi River Below L5 Diversion Near Salmon, ID

USGS Site No: 13305310 • Lemhi River • Lemhi County, ID

Lemhi River Below L5 Diversion Near Salmon, ID on the Lemhi River is currently at 152 cfs (Low — 14th percentile for this date) . Gage height: 1.92 ft.

Reading from

152
CFS Discharge
1.92
Gage Height (ft)
Low
Flow Condition
N/A
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for October 28 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 120
25th Low threshold 230 Today: 152 cfs
50th (Median) Normal (median) 286
75th High threshold 327
95th Very High threshold 412

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.

1.3k 632 0 cfs Apr 2 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 141 —
May 26, 2026 80 —
May 25, 2026 47 —
May 24, 2026 44 —
May 23, 2026 49 —
May 22, 2026 60 —
May 20, 2026 100 —
May 18, 2026 157 —
May 17, 2026 167 —
May 16, 2026 173 —
May 15, 2026 194 —
Apr 20, 2026 76 —
Apr 19, 2026 83 —
Apr 18, 2026 93 —
Apr 17, 2026 106 —
Apr 16, 2026 101 —
Apr 15, 2026 88 —
Apr 14, 2026 89 —
Apr 13, 2026 97 —
Apr 12, 2026 92 —
Apr 11, 2026 78 —
Apr 10, 2026 92 —
Apr 9, 2026 137 —
Apr 8, 2026 165 —
Apr 7, 2026 176 —
Apr 6, 2026 192 —
Apr 5, 2026 200 —
Apr 4, 2026 208 —
Apr 3, 2026 222 —
Apr 2, 2026 231 —

Station Information

USGS Site No
13305310
State
ID
County
Lemhi County
Coordinates
45.1328, -113.7989
Drainage Area
1,216 mi²
Datum (ft)
4,168.8
HUC Code
17060204
View on USGS NWIS →

Recent Extremes

Max discharge
405 cfs
Jun 2, 2025
Min discharge
21 cfs
Jul 16, 2025

Computed from the local daily-values archive.

Nearby Gauges