Swatara Creek Near Hershey, PA
USGS Site No: 01573560 • Swatara Creek • Dauphin County, PA
Swatara Creek Near Hershey, PA on the Swatara Creek is currently at 381 cfs (Normal — 51th percentile for this date) . Gage height: 1.90 ft.
Reading from
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 | 132 | |
| 25th | Low threshold | 202 | |
| 50th (Median) | Normal (median) | 357 | |
| 75th | High threshold | 809 | Today: 381 cfs |
| 95th | Very High threshold | 3,980 |
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 | 469 | — |
| May 27, 2026 | 542 | — |
| May 26, 2026 | 684 | — |
| May 25, 2026 | 842 | — |
| May 24, 2026 | 825 | — |
| May 23, 2026 | 396 | — |
| May 22, 2026 | 344 | — |
| May 21, 2026 | 298 | — |
| May 20, 2026 | 277 | — |
| May 19, 2026 | 279 | — |
| May 18, 2026 | 299 | — |
| May 17, 2026 | 325 | — |
| May 16, 2026 | 349 | — |
| May 15, 2026 | 409 | — |
| Apr 21, 2026 | 384 | — |
| Apr 20, 2026 | 437 | — |
| Apr 19, 2026 | 393 | — |
| Apr 18, 2026 | 365 | — |
| Apr 17, 2026 | 378 | — |
| Apr 16, 2026 | 400 | — |
| Apr 15, 2026 | 416 | — |
| Apr 14, 2026 | 419 | — |
| Apr 13, 2026 | 423 | — |
| Apr 12, 2026 | 444 | — |
| Apr 11, 2026 | 467 | — |
| Apr 10, 2026 | 475 | — |
| Apr 9, 2026 | 491 | — |
| Apr 8, 2026 | 532 | — |
| Apr 7, 2026 | 614 | — |
| Apr 6, 2026 | 762 | — |
Station Information
- USGS Site No
- 01573560
- State
- PA
- County
- Dauphin County
- Coordinates
- 40.2984, -76.6677
- Drainage Area
- 483 mi²
- Datum (ft)
- 325.9
- HUC Code
- 02050305
Flood Stage Thresholds
- Action Stage
- 6.0 ft
- Flood Stage
- 7.0 ft
- Moderate Flood
- 10.0 ft
- Major Flood
- 14.0 ft
Currently 5.10 ft below flood stage.
Recent Extremes
- Max discharge
-
6,450 cfsJul 2, 2025
- Min discharge
-
82 cfsJan 27, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Susquehanna River at Harrisburg, PAHigh11.9 mi · 50,000 cfs
-
Susquehanna River at Marietta, PAHigh18.3 mi · 56,300 cfs
-
East Mahantango Creek Near Dalmatia, PAHigh25.1 mi · 182 cfs
-
Tulpehocken Creek Near Bernville, PANormal27.3 mi · 63 cfs
-
Tulpehocken Creek at Blue Marsh Damsite Near ReadingLow34.2 mi · 87 cfs