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 (Very High — 99th percentile for this date) . Gage height: 23.99 ft.

Reading from

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

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 156
25th Low threshold 173
50th (Median) Normal (median) 275
75th High threshold 490
95th Very High threshold 2,190

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