San Antonio Rv near Mcfaddin, TX

USGS Site No: 08188570San 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

3,010
CFS Discharge
23.99
Gage Height (ft)
High
Flow Condition
N/A
Flood Status

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.

11k 5.7k 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

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
Coordinates
28.5313, -97.0427
Drainage Area
4,134 mi²
Datum (ft)
-0.4
HUC Code
12100303
View on USGS NWIS →

Recent Extremes

Max discharge
5,040 cfs
Jun 18, 2025
Min discharge
128 cfs
Oct 3, 2025

Computed from the local daily-values archive.

Nearby Gauges