Blanco Rv at Fischer Store Road near Fischer, TX

USGS Site No: 08170950Blanco River • Hays County, TX

Blanco Rv at Fischer Store Road near Fischer, TX on the Blanco River is currently at 13 cfs (Normal — 29th percentile for this date) . Gage height: 3.41 ft.

Reading from

13
CFS Discharge
3.41
Gage Height (ft)
Normal
Flow Condition
Normal
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 3
25th Low threshold 10
50th (Median) Normal (median) 28 Today: 13 cfs
75th High threshold 79
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.

24 12 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 8
May 27, 2026 10
May 26, 2026 8
May 25, 2026 7
May 24, 2026 7
May 23, 2026 8
May 22, 2026 13
May 21, 2026 12
May 20, 2026 10
May 19, 2026 9
May 18, 2026 8
May 17, 2026 9
May 16, 2026 9
May 15, 2026 9
Apr 20, 2026 2
Apr 19, 2026 2
Apr 18, 2026 2
Apr 17, 2026 2
Apr 16, 2026 2
Apr 15, 2026 2
Apr 14, 2026 2
Apr 13, 2026 2
Apr 12, 2026 2
Apr 11, 2026 2
Apr 10, 2026 2
Apr 9, 2026 2
Apr 8, 2026 2
Apr 7, 2026 2
Apr 6, 2026 2
Apr 5, 2026 1

Station Information

USGS Site No
08170950
State
TX
County
Hays County
Coordinates
30.0006, -98.2004
Drainage Area
269 mi²
Datum (ft)
917.0
HUC Code
12100203
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
12.0 ft
Flood Stage
17.0 ft
Moderate Flood
23.0 ft
Major Flood
38.0 ft

Currently 13.59 ft below flood stage.

Recent Extremes

Max discharge
261 cfs
Jun 12, 2025
Min discharge
1 cfs
Jun 10, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges