Charles River at Medway, MA
USGS Site No: 01103280 • Charles River • Norfolk County, MA
Charles River at Medway, MA on the Charles River is currently at 47 cfs (Normal — 49th percentile for this date) . Gage height: 1.08 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 | 9 | |
| 25th | Low threshold | 22 | |
| 50th (Median) | Normal (median) | 48 | Today: 47 cfs |
| 75th | High threshold | 117 | |
| 95th | Very High threshold | 447 |
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 | 59 | — |
| May 27, 2026 | 70 | — |
| May 26, 2026 | 78 | — |
| May 25, 2026 | 75 | — |
| May 24, 2026 | 48 | — |
| May 23, 2026 | 45 | — |
| May 22, 2026 | 54 | — |
| May 21, 2026 | 65 | — |
| May 20, 2026 | 74 | — |
| May 19, 2026 | 55 | — |
| May 18, 2026 | 53 | — |
| May 17, 2026 | 58 | — |
| May 16, 2026 | 64 | — |
| May 15, 2026 | 66 | — |
| Apr 21, 2026 | 99 | — |
| Apr 20, 2026 | 105 | — |
| Apr 19, 2026 | 111 | — |
| Apr 18, 2026 | 118 | — |
| Apr 17, 2026 | 117 | — |
| Apr 16, 2026 | 107 | — |
| Apr 15, 2026 | 85 | — |
| Apr 14, 2026 | 86 | — |
| Apr 13, 2026 | 89 | — |
| Apr 12, 2026 | 92 | — |
| Apr 11, 2026 | 100 | — |
| Apr 10, 2026 | 109 | — |
| Apr 9, 2026 | 117 | — |
| Apr 8, 2026 | 129 | — |
| Apr 7, 2026 | 141 | — |
| Apr 6, 2026 | 157 | — |
Station Information
- USGS Site No
- 01103280
- State
- MA
- County
- Norfolk County
- Coordinates
- 42.1398, -71.3895
- Drainage Area
- 66 mi²
- Datum (ft)
- 174.2
- HUC Code
- 01090001
Flood Stage Thresholds
- Action Stage
- 4.5 ft
- Flood Stage
- 5.0 ft
- Moderate Flood
- 6.0 ft
- Major Flood
- 7.0 ft
Currently 3.92 ft below flood stage.
Recent Extremes
- Max discharge
-
616 cfsMay 24, 2025
- Min discharge
-
6 cfsSep 4, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Sudbury River at Ashland, MANormal9.0 mi · 16 cfs
-
Trout Brook at Dover, MANormal9.3 mi · 3 cfs
-
Charles River at Dover, MANormal10.4 mi · 131 cfs
-
Cochituate Bk below Lake Cochituate at Framingham, MANormal12.1 mi · 10 cfs
-
Sudbury River at Saxonville, MANormal12.8 mi · 116 cfs