Swatara Creek Near Palmyra, PA
USGS Site No: 01573208 • Swatara Creek • Dauphin County, PA
Swatara Creek Near Palmyra, PA on the Swatara Creek is currently at 329 cfs (Very High — 95th percentile for this date) . Gage height: 3.69 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 | 0 | |
| 25th | Low threshold | 70 | |
| 50th (Median) | Normal (median) | 125 | |
| 75th | High threshold | 188 | |
| 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 | 406 | — |
| May 27, 2026 | 470 | — |
| May 26, 2026 | 603 | — |
| May 25, 2026 | 755 | — |
| May 24, 2026 | 774 | — |
| May 23, 2026 | 312 | — |
| May 22, 2026 | 263 | — |
| May 21, 2026 | 234 | — |
| May 20, 2026 | 214 | — |
| May 19, 2026 | 223 | — |
| May 18, 2026 | 241 | — |
| May 17, 2026 | 258 | — |
| May 16, 2026 | 283 | — |
| May 15, 2026 | 338 | — |
| Apr 21, 2026 | 327 | — |
| Apr 20, 2026 | 384 | — |
| Apr 19, 2026 | 343 | — |
| Apr 18, 2026 | 315 | — |
| Apr 17, 2026 | 328 | — |
| Apr 16, 2026 | 345 | — |
| Apr 15, 2026 | 366 | — |
| Apr 14, 2026 | 376 | — |
| Apr 13, 2026 | 379 | — |
| Apr 12, 2026 | 399 | — |
| Apr 11, 2026 | 422 | — |
| Apr 10, 2026 | 431 | — |
| Apr 9, 2026 | 449 | — |
| Apr 8, 2026 | 487 | — |
| Apr 7, 2026 | 562 | — |
| Apr 6, 2026 | 710 | — |
Station Information
- USGS Site No
- 01573208
- State
- PA
- County
- Dauphin County
- Coordinates
- 40.3222, -76.6294
- Drainage Area
- 437 mi²
- Datum (ft)
- 335.0
- HUC Code
- 02050305
Recent Extremes
- Max discharge
-
6,010 cfsJul 2, 2025
- Min discharge
-
70 cfsJan 31, 2026
Computed from the local daily-values archive.
Nearby Gauges
-
Susquehanna River at Harrisburg, PAHigh14.3 mi · 50,000 cfs
-
Susquehanna River at Marietta, PAHigh19.2 mi · 56,300 cfs
-
Tulpehocken Creek Near Bernville, PANormal24.9 mi · 63 cfs
-
Tulpehocken Creek at Blue Marsh Damsite Near ReadingLow32.0 mi · 87 cfs
-
Schuylkill River at Landingville, PANormal34.0 mi · 291 cfs