Greys River Above Reservoir, Near Alpine, WY

USGS Site No: 13023000 • Greys River • Lincoln County, WY

Greys River Above Reservoir, Near Alpine, WY on the Greys River is currently at 1,260 cfs (Very High — 115th percentile for this date) . Gage height: 2.78 ft.

Reading from

1,260
CFS Discharge
2.78
Gage Height (ft)
Very High
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 216
25th Low threshold 244
50th (Median) Normal (median) 290
75th High threshold 330
95th Very High threshold 421

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.

4.3k 2.1k 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 1,240 —
May 27, 2026 1,120 —
May 26, 2026 1,020 —
May 25, 2026 942 —
May 24, 2026 882 —
May 23, 2026 863 —
May 22, 2026 906 —
May 21, 2026 959 —
May 20, 2026 1,000 —
May 19, 2026 1,070 —
May 18, 2026 1,180 —
May 17, 2026 1,270 —
May 16, 2026 1,430 —
May 15, 2026 1,550 —
Apr 20, 2026 735 —
Apr 19, 2026 730 —
Apr 18, 2026 749 —
Apr 17, 2026 790 —
Apr 16, 2026 836 —
Apr 15, 2026 864 —
Apr 14, 2026 911 —
Apr 13, 2026 957 —
Apr 12, 2026 993 —
Apr 11, 2026 995 —
Apr 10, 2026 956 —
Apr 9, 2026 909 —
Apr 8, 2026 875 —
Apr 7, 2026 860 —
Apr 6, 2026 848 —
Apr 5, 2026 857 —

Station Information

USGS Site No
13023000
State
WY
County
Lincoln County
Coordinates
43.1431, -110.9769
Drainage Area
448 mi²
Datum (ft)
5,729.0
HUC Code
17040103
View on USGS NWIS →

Recent Extremes

Max discharge
2,600 cfs
Jun 1, 2025
Min discharge
198 cfs
Feb 22, 2026

Computed from the local daily-values archive.

Nearby Gauges

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