How high is the Sister Grove Ck near Blue Ridge, TX right now?

The Sister Grove Ck near Blue Ridge, TX is currently flowing at 116 cubic feet per second with a gage height of 13.39 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Sister Grove Ck near Blue Ridge, TX normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 71th percentile compared to the long-term historical record at this gauge.

Is the Sister Grove Ck near Blue Ridge, TX at flood stage?

No — the gage height is 10.61 feet below the NWS flood-stage threshold of 24.0 feet.

What is the historical median flow for the Sister Grove Ck near Blue Ridge, TX on June 11?

The long-term median discharge for this date is 33 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 2 to 380 cfs.

Where is the Sister Grove Ck near Blue Ridge, TX stream gauge located?

The Sister Grove Ck near Blue Ridge, TX stream gauge is operated by the USGS in Collin County, TX on the Sister Grove Creek. USGS site number 08059400 (coordinates 33.2946, -96.4830).

Sister Grove Ck near Blue Ridge, TX

USGS Site No: 08059400 • Sister Grove Creek • Collin County, TX

Sister Grove Ck near Blue Ridge, TX on the Sister Grove Creek is currently at 116 cfs (Normal — 71th percentile for this date) . Gage height: 13.39 ft.

Reading from 1 week ago

116

CFS Discharge

13.39

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	2
25th	Low threshold	5
50th (Median)	Normal (median)	33
75th	High threshold	130	Today: 116 cfs
95th	Very High threshold	380

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	255	15.06
May 27, 2026	224	14.52
May 26, 2026	11	11.96
May 25, 2026	15	12.02
May 24, 2026	23	12.15
May 23, 2026	20	12.10
May 22, 2026	17	12.06
May 21, 2026	19	12.09
May 20, 2026	24	12.16
May 19, 2026	14	12.00
May 18, 2026	13	11.98
May 17, 2026	15	12.03
May 16, 2026	18	12.08
May 15, 2026	24	12.16
Apr 20, 2026	26	12.19
Apr 19, 2026	33	12.29
Apr 18, 2026	31	12.26
Apr 17, 2026	30	12.24
Apr 16, 2026	32	12.27
Apr 15, 2026	34	12.30
Apr 14, 2026	37	12.33
Apr 13, 2026	42	12.39
Apr 12, 2026	41	12.38
Apr 11, 2026	42	12.40
Apr 10, 2026	56	12.59
Apr 9, 2026	87	13.01
Apr 8, 2026	136	13.64
Apr 7, 2026	205	14.49
Apr 6, 2026	294	15.54
Apr 5, 2026	470	17.36

Station Information

USGS Site No: 08059400
State: TX
County: Collin County
Coordinates: 33.2946, -96.4830
Drainage Area: 83 mi²
Datum (ft): 526.3
HUC Code: 12030106

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 22.0 ft
Flood Stage: 24.0 ft
Moderate Flood: 27.0 ft
Major Flood: 31.0 ft

Currently 10.61 ft below flood stage.

Recent Extremes

Max discharge: 817 cfs

Jun 9, 2025
Min discharge: 0 cfs

Oct 23, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

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