Sulphur Rv at Ih 30 near Dalby Springs, TX

USGS Site No: 07343450Sulphur River • Bowie County, TX

Sulphur Rv at Ih 30 near Dalby Springs, TX on the Sulphur River is currently at 1,000 cfs (Normal — 46th percentile for this date) . Gage height: 13.62 ft.

Reading from

1,000
CFS Discharge
13.62
Gage Height (ft)
Normal
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 35
25th Low threshold 179
50th (Median) Normal (median) 1,170 Today: 1,000 cfs
75th High threshold 3,450
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.

3.2k 1.6k 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 816 12.16
May 27, 2026 1,000 13.60
May 26, 2026 1,280 15.75
May 25, 2026 1,130 14.61
May 24, 2026 616 10.54
May 23, 2026 821 12.20
May 22, 2026 968 13.34
May 21, 2026 494 9.43
May 20, 2026 287 7.62
May 19, 2026 325 7.96
May 18, 2026 441 9.02
May 17, 2026 639 10.73
May 16, 2026 852 12.43
May 15, 2026 1,180 14.96
Apr 20, 2026 56 5.14
Apr 19, 2026 61 5.21
Apr 18, 2026 68 5.30
Apr 17, 2026 78 5.42
Apr 16, 2026 93 5.61
Apr 15, 2026 118 5.91
Apr 14, 2026 163 6.38
Apr 13, 2026 243 7.20
Apr 12, 2026 369 8.36
Apr 11, 2026 508 9.61
Apr 10, 2026 755 11.66
Apr 9, 2026 1,160 14.78
Apr 8, 2026 1,740 18.43
Apr 7, 2026 1,900 19.08
Apr 6, 2026 1,280 15.64
Apr 5, 2026 270 7.41

Station Information

USGS Site No
07343450
State
TX
County
Bowie County
Coordinates
33.3094, -94.6981
Drainage Area
1,976 mi²
Datum (ft)
225.7
HUC Code
11140302
View on USGS NWIS →

Recent Extremes

Max discharge
21,700 cfs
Jun 15, 2025
Min discharge
0 cfs
Nov 12, 2025

Computed from the local daily-values archive.

Nearby Gauges