Pahsimeroi River at Ellis ID

USGS Site No: 13302005 • Pahsimeroi River • Lemhi County, ID

Pahsimeroi River at Ellis ID on the Pahsimeroi River is currently at 0 cfs (Unknown) . Gage height: 2.19 ft.

Reading from

0
CFS Discharge
2.19
Gage Height (ft)
Unknown
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 220
25th Low threshold 240
50th (Median) Normal (median) 277
75th High threshold 321
95th Very High threshold 369

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.

406 203 0 cfs Mar 19 Apr 20
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
Apr 20, 2026 165 —
Apr 19, 2026 175 —
Apr 18, 2026 176 —
Apr 17, 2026 177 —
Apr 16, 2026 178 —
Apr 15, 2026 175 —
Apr 11, 2026 176 —
Apr 10, 2026 167 —
Apr 9, 2026 168 —
Apr 8, 2026 171 —
Apr 7, 2026 171 —
Apr 6, 2026 174 —
Apr 5, 2026 180 —
Apr 4, 2026 188 —
Apr 3, 2026 191 —
Apr 2, 2026 193 —
Apr 1, 2026 194 —
Mar 31, 2026 193 —
Mar 30, 2026 196 —
Mar 29, 2026 193 —
Mar 28, 2026 194 —
Mar 27, 2026 198 —
Mar 26, 2026 202 —
Mar 25, 2026 203 —
Mar 24, 2026 206 —
Mar 23, 2026 209 —
Mar 22, 2026 209 —
Mar 21, 2026 207 —
Mar 20, 2026 208 —
Mar 19, 2026 211 —

Station Information

USGS Site No
13302005
State
ID
County
Lemhi County
Coordinates
44.6917, -114.0469
Drainage Area
830 mi²
Datum (ft)
4,638.8
HUC Code
17060202
View on USGS NWIS →

Recent Extremes

Max discharge
238 cfs
Oct 15, 2025
Min discharge
95 cfs
Jul 2, 2025

Computed from the local daily-values archive.

Nearby Gauges

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