How high is the Stanislaus River at Ripon CA right now?

The Stanislaus River at Ripon CA is currently flowing at 1,320 cubic feet per second with a gage height of 43.20 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Stanislaus River at Ripon CA normal for this time of year?

Current flow is classified as high for October 28. Today's discharge is at the 93th percentile compared to the long-term historical record at this gauge.

Is the Stanislaus River at Ripon CA at flood stage?

No — the gage height is 16.80 feet below the NWS flood-stage threshold of 60.0 feet.

What is the historical median flow for the Stanislaus River at Ripon CA on October 28?

The long-term median discharge for this date is 398 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 156 to 1,370 cfs.

Where is the Stanislaus River at Ripon CA stream gauge located?

The Stanislaus River at Ripon CA stream gauge is operated by the USGS in Stanislaus County, CA on the Stanislaus River. USGS site number 11303000 (coordinates 37.7296, -121.1105).

Stanislaus River at Ripon CA

USGS Site No: 11303000 • Stanislaus River • Stanislaus County, CA

Stanislaus River at Ripon CA on the Stanislaus River is currently at 1,320 cfs (High — 93th percentile for this date) . Gage height: 43.20 ft.

Reading from 4 months ago

↑ Upstream on Stanislaus River

Stanislaus River at Oakdale CA

1,320

CFS Discharge

43.20

Gage Height (ft)

High

Flow Condition

Normal

Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for October 28 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	156
25th	Low threshold	225
50th (Median)	Normal (median)	398
75th	High threshold	736
95th	Very High threshold	1,370	Today: 1,320 cfs

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	1,320	—
May 27, 2026	1,320	—
May 26, 2026	1,370	—
May 25, 2026	1,530	—
May 24, 2026	1,620	—
May 23, 2026	1,700	—
May 22, 2026	1,710	—
May 21, 2026	1,840	—
May 20, 2026	2,070	—
May 19, 2026	2,060	—
May 18, 2026	2,040	—
May 17, 2026	2,010	—
May 16, 2026	1,880	—
May 15, 2026	1,640	—
Apr 20, 2026	883	—
Apr 19, 2026	1,120	—
Apr 18, 2026	1,040	—
Apr 17, 2026	771	—
Apr 16, 2026	953	—
Apr 15, 2026	1,190	—
Apr 14, 2026	985	—
Apr 13, 2026	1,150	—
Apr 12, 2026	1,470	—
Apr 11, 2026	1,450	—
Apr 10, 2026	1,380	—
Apr 9, 2026	1,360	—
Apr 8, 2026	1,330	—
Apr 7, 2026	1,320	—
Apr 6, 2026	1,330	—
Apr 5, 2026	1,270	—

Station Information

USGS Site No: 11303000
State: CA
County: Stanislaus County
Coordinates: 37.7296, -121.1105
Drainage Area: 1,075 mi²
Datum (ft): 2.8
HUC Code: 18040010

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 55.0 ft
Flood Stage: 60.0 ft

Currently 16.80 ft below flood stage.

Recent Extremes

Max discharge: 2,140 cfs

May 28, 2025
Min discharge: 163 cfs

Sep 18, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

San Joaquin River near Vernalis CA
9.3 mi · 1,940 cfs

Normal
Tuolumne River at Modesto CA
9.9 mi · 202 cfs

Very Low
Stanislaus River at Oakdale CA
14.4 mi

Unknown
Del Puerto C near Patterson CA
17.6 mi · 0 cfs

High
San Joaquin River near Crows Landing CA
21.2 mi · 510 cfs

Low