San Antonio Rv near Mcfaddin, TX
USGS Site No: 08188570 • San Antonio River • Refugio County, TX
San Antonio Rv near Mcfaddin, TX on the San Antonio River is currently at 3,010 cfs (High — 80th percentile for this date) . Gage height: 23.99 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 | 140 | |
| 25th | Low threshold | 192 | |
| 50th (Median) | Normal (median) | 339 | |
| 75th | High threshold | 843 | |
| 95th | Very High threshold | 10,000 | Today: 3,010 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 | 2,440 | — |
| May 27, 2026 | 2,620 | — |
| May 26, 2026 | 2,110 | — |
| May 25, 2026 | 1,660 | — |
| May 24, 2026 | 1,350 | — |
| May 23, 2026 | 595 | — |
| May 22, 2026 | 313 | — |
| May 21, 2026 | 297 | — |
| May 20, 2026 | 250 | — |
| May 19, 2026 | 258 | — |
| May 18, 2026 | 300 | — |
| May 17, 2026 | 445 | — |
| May 16, 2026 | 751 | — |
| May 15, 2026 | 741 | — |
| Apr 20, 2026 | 228 | — |
| Apr 19, 2026 | 227 | — |
| Apr 18, 2026 | 209 | — |
| Apr 17, 2026 | 180 | — |
| Apr 16, 2026 | 185 | — |
| Apr 15, 2026 | 188 | — |
| Apr 14, 2026 | 184 | — |
| Apr 13, 2026 | 183 | — |
| Apr 12, 2026 | 191 | — |
| Apr 11, 2026 | 212 | — |
| Apr 10, 2026 | 212 | — |
| Apr 9, 2026 | 156 | — |
| Apr 8, 2026 | 152 | — |
| Apr 7, 2026 | 153 | — |
| Apr 6, 2026 | 156 | — |
| Apr 5, 2026 | 167 | — |
Station Information
- USGS Site No
- 08188570
- State
- TX
- County
- Refugio County
- Coordinates
- 28.5313, -97.0427
- Drainage Area
- 4,134 mi²
- Datum (ft)
- -0.4
- HUC Code
- 12100303
Recent Extremes
- Max discharge
-
5,040 cfsJun 18, 2025
- Min discharge
-
128 cfsOct 3, 2025
Computed from the local daily-values archive.
Nearby Gauges
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Guadalupe Rv near Bloomington, TXUnknown10.2 mi · 1,830 cfs
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Guadalupe Rv at Sh 35 near Tivoli, TXVery High11.5 mi · 2,980 cfs
-
Coleto Ck near Victoria, TXLow15.0 mi · 2 cfs
-
North End Of Gbra Calhoun Canal near Long Mott,txVery Low16.0 mi · 1 cfs