Arrowhead Run at Thayerville, MD
USGS Site No: 03075850 • Arrowhead Run • Garrett County, MD
Arrowhead Run at Thayerville, MD on the Arrowhead Run is currently at 4 cfs (Very High — 95th percentile for this date) . Gage height: 3.00 ft.
Reading from
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 | 0 | |
| 25th | Low threshold | 0 | |
| 50th (Median) | Normal (median) | 1 | |
| 75th | High threshold | 2 | |
| 95th | Very High threshold | 0 |
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.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 8 | — |
| May 27, 2026 | 17 | — |
| May 26, 2026 | 8 | — |
| May 25, 2026 | 18 | — |
| May 24, 2026 | 10 | — |
| May 23, 2026 | 6 | — |
| May 22, 2026 | 2 | — |
| May 21, 2026 | 1 | — |
| May 20, 2026 | 0 | — |
| May 19, 2026 | 0 | — |
| May 18, 2026 | 0 | — |
| May 17, 2026 | 0 | — |
| May 16, 2026 | 1 | — |
| May 15, 2026 | 1 | — |
| Apr 21, 2026 | 1 | — |
| Apr 20, 2026 | 1 | — |
| Apr 19, 2026 | 1 | — |
| Apr 18, 2026 | 1 | — |
| Apr 17, 2026 | 1 | — |
| Apr 16, 2026 | 1 | — |
| Apr 15, 2026 | 1 | — |
| Apr 14, 2026 | 1 | — |
| Apr 13, 2026 | 1 | — |
| Apr 12, 2026 | 1 | — |
| Apr 11, 2026 | 1 | — |
| Apr 10, 2026 | 1 | — |
| Apr 9, 2026 | 1 | — |
| Apr 8, 2026 | 1 | — |
| Apr 7, 2026 | 1 | — |
| Apr 6, 2026 | 1 | — |
Station Information
- USGS Site No
- 03075850
- State
- MD
- County
- Garrett County
- Coordinates
- 39.5028, -79.3272
- Drainage Area
- 1 mi²
- Datum (ft)
- 2,461.9
- HUC Code
- 05020006
Recent Extremes
- Max discharge
-
25 cfsFeb 20, 2026
- Min discharge
-
0 cfsOct 28, 2025
Computed from the local daily-values archive.
Nearby Gauges
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Cherry Creek at State Park Road Near Mchenry, MDVery High2.5 mi · 51 cfs
-
North Glade Run Near Swanton, MDVery High4.0 mi · 19 cfs
-
Youghiogheny River Near Swallow Falls Park, MDVery High4.6 mi · 883 cfs
-
Youghiogheny River Near Mchenry, MDVery High4.7 mi · 1,690 cfs
-
Youghiogheny River Near Oakland, MDHigh7.6 mi · 679 cfs