Rays Branch Juniata River below Rays Dam near Huntingdon, PA
USGS Site No: 01563200 • Rays Branch Juniata River • Huntingdon County, PA
Rays Branch Juniata River below Rays Dam near Huntingdon, PA on the Rays Branch Juniata River is currently at 1,710 cfs (High — 81th percentile for this date) . Gage height: 5.90 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 29 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 | 198 | |
| 25th | Low threshold | 203 | |
| 50th (Median) | Normal (median) | 212 | |
| 75th | High threshold | 1,180 | |
| 95th | Very High threshold | 2,830 | Today: 1,710 cfs |
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 | 3,470 | — |
| May 27, 2026 | 3,270 | — |
| May 26, 2026 | 3,600 | — |
| May 25, 2026 | 4,440 | — |
| May 24, 2026 | 6,120 | — |
| May 23, 2026 | 3,570 | — |
| May 22, 2026 | 1,550 | — |
| May 21, 2026 | 968 | — |
| May 20, 2026 | 404 | — |
| May 19, 2026 | 305 | — |
| May 18, 2026 | 305 | — |
| May 17, 2026 | 306 | — |
| May 16, 2026 | 306 | — |
| May 15, 2026 | 358 | — |
| Apr 21, 2026 | 559 | — |
| Apr 20, 2026 | 558 | — |
| Apr 19, 2026 | 559 | — |
| Apr 18, 2026 | 559 | — |
| Apr 17, 2026 | 540 | — |
| Apr 16, 2026 | 499 | — |
| Apr 15, 2026 | 498 | — |
| Apr 14, 2026 | 495 | — |
| Apr 13, 2026 | 493 | — |
| Apr 12, 2026 | 578 | — |
| Apr 11, 2026 | 794 | — |
| Apr 10, 2026 | 823 | — |
| Apr 9, 2026 | 900 | — |
| Apr 8, 2026 | 900 | — |
| Apr 7, 2026 | 954 | — |
| Apr 6, 2026 | 1,110 | — |
Station Information
- USGS Site No
- 01563200
- State
- PA
- County
- Huntingdon County
- Coordinates
- 40.4290, -77.9911
- Drainage Area
- 960 mi²
- Datum (ft)
- 597.4
- HUC Code
- 02050303
Recent Extremes
- Max discharge
-
15,000 cfsMay 15, 2025
- Min discharge
-
197 cfsNov 1, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Juniata River at Mapleton Depot, PAHigh3.9 mi · 3,340 cfs
-
Juniata River at Huntingdon, PAHigh4.1 mi · 1,450 cfs
-
Frankstown Branch Juniata River at Williamsburg, PAHigh11.2 mi · 535 cfs
-
Aughwick Creek Near Shirleysburg, PAVery High11.5 mi · 518 cfs
-
Little Juniata River at Spruce Creek, PAHigh14.9 mi · 482 cfs