Greenbrier River at Alderson, WV

USGS Site No: 03183500 • Greenbrier River • Monroe County, WV

Greenbrier River at Alderson, WV on the Greenbrier River is currently at 4,150 cfs (Very High — 96th percentile for this date) . Gage height: 4.92 ft.

Reading from

4,150
CFS Discharge
4.92
Gage Height (ft)
Very High
Flow Condition
Normal
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 86
25th Low threshold 148
50th (Median) Normal (median) 299
75th High threshold 860
95th Very High threshold 3,820

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.

15k 7.4k 0 cfs Apr 6 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 7,360 —
May 27, 2026 10,300 —
May 26, 2026 13,300 —
May 25, 2026 7,200 —
May 24, 2026 7,870 —
May 23, 2026 6,260 —
May 22, 2026 929 —
May 21, 2026 500 —
May 20, 2026 548 —
May 19, 2026 611 —
May 18, 2026 680 —
May 17, 2026 753 —
May 16, 2026 799 —
May 15, 2026 858 —
Apr 21, 2026 493 —
Apr 20, 2026 533 —
Apr 19, 2026 573 —
Apr 18, 2026 623 —
Apr 17, 2026 674 —
Apr 16, 2026 728 —
Apr 15, 2026 788 —
Apr 14, 2026 859 —
Apr 13, 2026 959 —
Apr 12, 2026 1,080 —
Apr 11, 2026 1,240 —
Apr 10, 2026 1,430 —
Apr 9, 2026 1,730 —
Apr 8, 2026 2,190 —
Apr 7, 2026 2,900 —
Apr 6, 2026 2,460 —

Station Information

USGS Site No
03183500
State
WV
County
Monroe County
Coordinates
37.7243, -80.6415
Drainage Area
1,328 mi²
Datum (ft)
1,529.0
HUC Code
05050003
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
9.0 ft
Flood Stage
14.0 ft
Moderate Flood
16.0 ft
Major Flood
19.0 ft

Currently 9.08 ft below flood stage.

Recent Extremes

Max discharge
21,500 cfs
Feb 21, 2026
Min discharge
35 cfs
Sep 22, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges