Snake River Above Reservoir, Near Alpine, WY

USGS Site No: 13022500Snake River • Lincoln County, WY

Snake River Above Reservoir, Near Alpine, WY on the Snake River is currently at 13,400 cfs (Normal — 52th percentile for this date) . Gage height: 7.64 ft.

Reading from

13,400
CFS Discharge
7.64
Gage Height (ft)
Normal
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 7,330
25th Low threshold 10,200
50th (Median) Normal (median) 13,100
75th High threshold 17,000 Today: 13,400 cfs
95th Very High threshold 26,400

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.

22k 11k 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 11,700
May 27, 2026 10,500
May 26, 2026 9,590
May 25, 2026 8,900
May 24, 2026 8,460
May 23, 2026 8,450
May 22, 2026 8,820
May 21, 2026 8,240
May 20, 2026 7,570
May 19, 2026 7,420
May 18, 2026 7,920
May 17, 2026 9,010
May 16, 2026 10,200
May 15, 2026 11,300
Apr 20, 2026 3,200
Apr 19, 2026 3,250
Apr 18, 2026 3,410
Apr 17, 2026 3,650
Apr 16, 2026 3,870
Apr 15, 2026 4,070
Apr 14, 2026 4,440
Apr 13, 2026 4,700
Apr 12, 2026 4,690
Apr 11, 2026 4,510
Apr 10, 2026 4,210
Apr 9, 2026 3,910
Apr 8, 2026 3,630
Apr 7, 2026 3,420
Apr 6, 2026 3,370
Apr 5, 2026 3,480

Station Information

USGS Site No
13022500
State
WY
Coordinates
43.1961, -110.8894
Drainage Area
3,465 mi²
Datum (ft)
5,717.0
HUC Code
17040103
View on USGS NWIS →

Recent Extremes

Max discharge
17,200 cfs
Jun 2, 2025
Min discharge
1,150 cfs
Feb 22, 2026

Computed from the local daily-values archive.

Nearby Gauges