How high is the Medina Rv at San Antonio, TX right now?

The Medina Rv at San Antonio, TX is currently flowing at 122 cubic feet per second with a gage height of 3.50 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Medina Rv at San Antonio, TX normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 55th percentile compared to the long-term historical record at this gauge.

Is the Medina Rv at San Antonio, TX at flood stage?

No — the gage height is 16.50 feet below the NWS flood-stage threshold of 20.0 feet.

What is the historical median flow for the Medina Rv at San Antonio, TX on June 11?

The long-term median discharge for this date is 108 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 28 to 1,540 cfs.

Where is the Medina Rv at San Antonio, TX stream gauge located?

The Medina Rv at San Antonio, TX stream gauge is operated by the USGS in Bexar County, TX on the Medina River. USGS site number 08181500 (coordinates 29.2641, -98.4908).

Medina Rv at San Antonio, TX

USGS Site No: 08181500 • Medina River • Bexar County, TX

Medina Rv at San Antonio, TX on the Medina River is currently at 122 cfs (Normal — 55th percentile for this date) . Gage height: 3.50 ft.

Reading from 1 week ago

↑ Upstream on Medina River

Medina Rv near Somerset, TX

122

CFS Discharge

3.50

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	28
25th	Low threshold	63
50th (Median)	Normal (median)	108
75th	High threshold	173	Today: 122 cfs
95th	Very High threshold	1,540

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.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	202	3.92
May 27, 2026	540	5.37
May 26, 2026	133	3.56
May 25, 2026	188	3.85
May 24, 2026	499	5.24
May 23, 2026	1,200	7.98
May 22, 2026	761	6.24
May 21, 2026	290	4.35
May 20, 2026	315	4.45
May 19, 2026	62	3.06
May 18, 2026	62	3.07
May 17, 2026	63	3.08
May 16, 2026	65	3.10
May 15, 2026	72	3.15
Apr 20, 2026	74	3.32
Apr 19, 2026	60	3.22
Apr 18, 2026	58	3.20
Apr 17, 2026	56	3.18
Apr 16, 2026	58	3.20
Apr 15, 2026	63	3.24
Apr 14, 2026	63	3.24
Apr 13, 2026	60	3.21
Apr 12, 2026	58	3.20
Apr 11, 2026	54	3.16
Apr 10, 2026	58	3.19
Apr 9, 2026	54	3.16
Apr 8, 2026	52	3.14
Apr 7, 2026	52	3.14
Apr 6, 2026	55	3.17
Apr 5, 2026	55	3.17

Station Information

USGS Site No: 08181500
State: TX
County: Bexar County
Coordinates: 29.2641, -98.4908
Drainage Area: 1,317 mi²
Datum (ft): 439.0
HUC Code: 12100302

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 16.0 ft
Flood Stage: 20.0 ft
Moderate Flood: 24.0 ft
Major Flood: 28.0 ft

Currently 16.50 ft below flood stage.

Recent Extremes

Max discharge: 4,470 cfs

Jun 12, 2025
Min discharge: 26 cfs

Oct 18, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

San Antonio Rv at Loop 410, San Antonio, TX
4.7 mi · 52 cfs

Normal
Medina Rv near Somerset, TX
5.5 mi · 30 cfs

Low
Leon Ck at Ih 35, San Antonio, TX
7.2 mi · 21 cfs

Normal
Salado Ck at Loop 13, San Antonio, TX
8.0 mi · 19 cfs

Normal
San Antonio Rv near Elmendorf, TX
8.6 mi · 361 cfs

Normal