How high is the Tuolumne River below Early Intake near Mather CA right now?

The Tuolumne River below Early Intake near Mather CA is currently flowing at 957 cubic feet per second with a gage height of 5.59 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Tuolumne River below Early Intake near Mather CA normal for this time of year?

Current flow is classified as very high for October 28. Today's discharge is at the 132th percentile compared to the long-term historical record at this gauge.

What is the historical median flow for the Tuolumne River below Early Intake near Mather CA on October 28?

The long-term median discharge for this date is 59 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 36 to 205 cfs.

Where is the Tuolumne River below Early Intake near Mather CA stream gauge located?

The Tuolumne River below Early Intake near Mather CA stream gauge is operated by the USGS in Tuolumne County, CA on the Tuolumne River. USGS site number 11276900 (coordinates 37.8816, -119.9701).

Tuolumne River below Early Intake near Mather CA

USGS Site No: 11276900 • Tuolumne River • Tuolumne County, CA

Tuolumne River below Early Intake near Mather CA on the Tuolumne River is currently at 957 cfs (Very High — 132th percentile for this date) . Gage height: 5.59 ft.

Reading from 4 months ago

↑ Upstream on Tuolumne River

Tuolumne River above Early Intake near Mather CA

Downstream on Tuolumne River ↓

Tuolumne River below Lagrange Dam near Lagrange CA

957

CFS Discharge

5.59

Gage Height (ft)

Very High

Flow Condition

N/A

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
10th	Very Low threshold	36
25th	Low threshold	49
50th (Median)	Normal (median)	59
75th	High threshold	81
95th	Very High threshold	205

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	993	—
May 27, 2026	1,270	—
May 26, 2026	1,400	—
May 25, 2026	1,420	—
May 24, 2026	1,360	—
May 23, 2026	1,240	—
May 22, 2026	840	—
May 21, 2026	714	—
May 20, 2026	831	—
May 19, 2026	1,090	—
May 18, 2026	1,520	—
May 17, 2026	1,820	—
May 16, 2026	1,810	—
May 15, 2026	1,710	—
Apr 20, 2026	770	—
Apr 19, 2026	728	—
Apr 18, 2026	728	—
Apr 17, 2026	734	—
Apr 16, 2026	734	—
Apr 15, 2026	739	—
Apr 14, 2026	759	—
Apr 13, 2026	785	—
Apr 12, 2026	814	—
Apr 11, 2026	738	—
Apr 10, 2026	699	—
Apr 9, 2026	683	—
Apr 8, 2026	679	—
Apr 7, 2026	676	—
Apr 6, 2026	747	—
Apr 5, 2026	778	—

Station Information

USGS Site No: 11276900
State: CA
County: Tuolumne County
Coordinates: 37.8816, -119.9701
Drainage Area: 487 mi²
Datum (ft): 2,220.6
HUC Code: 18040009

View on USGS NWIS →

Recent Extremes

Max discharge: 5,390 cfs

May 11, 2025
Min discharge: 38 cfs

Dec 14, 2025

Computed from the local daily-values archive.

Nearby Gauges

Cherry C near Early Intake CA
1.0 mi · 52 cfs

High
Tuolumne River above Early Intake near Mather CA
1.3 mi · 418 cfs

Very High
Cherry C below Valley Dam near Hetch Hetchy CA
6.6 mi · 7 cfs

Normal
Eleanor C near Hetch Hetchy CA
7.7 mi · 34 cfs

High
Tuolumne River near Hetch Hetchy CA
10.1 mi · 366 cfs

Very High