Blanco Rv at Halifax Rch near Kyle, TX
USGS Site No: 08171290 • Blanco River • Hays County, TX
Blanco Rv at Halifax Rch near Kyle, TX on the Blanco River is currently at 9 cfs (Low — 20th percentile for this date) . Gage height: 0.88 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 | 10 | Today: 9 cfs |
| 50th (Median) | Normal (median) | 27 | |
| 75th | High threshold | 130 | |
| 95th | Very High threshold | 0 |
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 | 10 | 0.91 |
| May 27, 2026 | 10 | 0.91 |
| May 26, 2026 | 6 | 0.83 |
| May 25, 2026 | 8 | 0.86 |
| May 24, 2026 | 10 | 0.90 |
| May 23, 2026 | 13 | 0.94 |
| May 22, 2026 | 16 | 0.97 |
| May 21, 2026 | 7 | 0.84 |
| May 20, 2026 | 6 | 0.83 |
| May 19, 2026 | 3 | 0.74 |
| May 18, 2026 | 3 | 0.75 |
| May 17, 2026 | 3 | 0.75 |
| May 16, 2026 | 3 | 0.75 |
| May 15, 2026 | 4 | 0.77 |
| Apr 20, 2026 | 9 | 0.87 |
| Apr 19, 2026 | 5 | 0.78 |
| Apr 18, 2026 | 3 | 0.75 |
| Apr 17, 2026 | 4 | 0.76 |
| Apr 16, 2026 | 5 | 0.79 |
| Apr 15, 2026 | 6 | 0.82 |
| Apr 14, 2026 | 8 | 0.86 |
| Apr 13, 2026 | 8 | 0.85 |
| Apr 12, 2026 | 7 | 0.85 |
| Apr 11, 2026 | 9 | 0.88 |
| Apr 10, 2026 | 5 | 0.78 |
| Apr 9, 2026 | 3 | 0.75 |
| Apr 8, 2026 | 4 | 0.76 |
| Apr 7, 2026 | 4 | 0.78 |
| Apr 6, 2026 | 5 | 0.80 |
| Apr 5, 2026 | 7 | 0.84 |
Station Information
- USGS Site No
- 08171290
- State
- TX
- County
- Hays County
- Coordinates
- 30.0056, -97.9525
- Drainage Area
- 391 mi²
- Datum (ft)
- 673.7
- HUC Code
- 12100203
Recent Extremes
- Max discharge
-
366 cfsJun 12, 2025
- Min discharge
-
1 cfsMay 25, 2025
Computed from the local daily-values archive.
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Bear Ck below Fm 1826 near Driftwood, TXNormal10.4 mi · 6 cfs
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Bear Ck at Spillar Ranch Road near Manchaca, TXNormal11.3 mi · 8 cfs
-
Onion Ck at Twin Creeks Road near Manchaca, TXNormal11.5 mi · 4 cfs