Medicine Bow River above Seminoe Reservoir, near Hanna, WY

USGS Site No: 06635000Medicine Bow River • Carbon County, WY

Medicine Bow River above Seminoe Reservoir, near Hanna, WY on the Medicine Bow River is currently at 39 cfs (Very Low — 2th percentile for this date) . Gage height: 2.32 ft.

Reading from

39
CFS Discharge
2.32
Gage Height (ft)
Very Low
Flow Condition
Normal
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 157 Today: 39 cfs
25th Low threshold 311
50th (Median) Normal (median) 698
75th High threshold 1,100
95th Very High threshold 1,810

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.

1.8k 891 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 47
May 27, 2026 61
May 26, 2026 73
May 25, 2026 73
May 24, 2026 41
May 23, 2026 36
May 22, 2026 31
May 21, 2026 30
May 20, 2026 32
May 19, 2026 35
May 18, 2026 27
May 17, 2026 13
May 16, 2026 14
May 15, 2026 15
Apr 20, 2026 41
Apr 19, 2026 44
Apr 18, 2026 47
Apr 17, 2026 48
Apr 16, 2026 51
Apr 15, 2026 60
Apr 14, 2026 70
Apr 13, 2026 73
Apr 12, 2026 81
Apr 11, 2026 88
Apr 10, 2026 96
Apr 9, 2026 107
Apr 8, 2026 102
Apr 7, 2026 90
Apr 6, 2026 96
Apr 5, 2026 112

Station Information

USGS Site No
06635000
State
WY
County
Carbon County
Coordinates
42.0097, -106.5131
Drainage Area
2,338 mi²
Datum (ft)
6,415.4
HUC Code
10180004
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
5.0 ft
Flood Stage
6.0 ft
Moderate Flood
7.0 ft
Major Flood
8.0 ft

Currently 3.68 ft below flood stage.

Recent Extremes

Max discharge
296 cfs
Jun 12, 2025
Min discharge
3 cfs
Aug 20, 2025
Days at flood stage
0

Computed from the local daily-values archive.