Martinez Ck near Saint Hedwig, TX
USGS Site No: 08185100 • Martinez Creek • Bexar County, TX
Martinez Ck near Saint Hedwig, TX on the Martinez Creek is currently at 49 cfs (Very High — 98th percentile for this date) . Gage height: 3.47 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 | 6 | |
| 25th | Low threshold | 7 | |
| 50th (Median) | Normal (median) | 9 | |
| 75th | High threshold | 15 | |
| 95th | Very High threshold | 39 |
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 | 263 | 6.19 |
| May 27, 2026 | 651 | 9.59 |
| May 26, 2026 | 46 | 3.34 |
| May 25, 2026 | 62 | 3.70 |
| May 24, 2026 | 187 | 5.45 |
| May 23, 2026 | 162 | 4.98 |
| May 22, 2026 | 64 | 3.74 |
| May 21, 2026 | 107 | 4.44 |
| May 20, 2026 | 88 | 4.09 |
| May 19, 2026 | 11 | 2.62 |
| May 18, 2026 | 11 | 2.62 |
| May 17, 2026 | 12 | 2.63 |
| May 16, 2026 | 11 | 2.62 |
| May 15, 2026 | 15 | 2.70 |
| Apr 20, 2026 | 26 | 2.90 |
| Apr 19, 2026 | 12 | 2.60 |
| Apr 18, 2026 | 9 | 2.54 |
| Apr 17, 2026 | 11 | 2.57 |
| Apr 16, 2026 | 12 | 2.58 |
| Apr 15, 2026 | 13 | 2.60 |
| Apr 14, 2026 | 14 | 2.63 |
| Apr 13, 2026 | 16 | 2.66 |
| Apr 12, 2026 | 15 | 2.64 |
| Apr 11, 2026 | 16 | 2.66 |
| Apr 10, 2026 | 12 | 2.59 |
| Apr 9, 2026 | 8 | 2.52 |
| Apr 8, 2026 | 7 | 2.51 |
| Apr 7, 2026 | 8 | 2.53 |
| Apr 6, 2026 | 8 | 2.53 |
| Apr 5, 2026 | 8 | 2.52 |
Station Information
- USGS Site No
- 08185100
- State
- TX
- County
- Bexar County
- Coordinates
- 29.4439, -98.1689
- Drainage Area
- 81 mi²
- Datum (ft)
- 500.1
- HUC Code
- 12100304
Recent Extremes
- Max discharge
-
651 cfsMay 27, 2026
- Min discharge
-
3 cfsAug 14, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Salado Ck at Loop 13, San Antonio, TXNormal15.9 mi · 19 cfs
-
Salado Ck at Loop 410, San Antonio, TXNormal16.5 mi · 0 cfs
-
Dry Comal Ck at Loop 337 near New Braunfels, TXHigh16.9 mi · 8 cfs
-
Guadalupe Rv at New Braunfels, TXUnknown18.0 mi · 0 cfs
-
Comal Rv at New Braunfels, TXLow18.4 mi · 175 cfs