Tuolumne River below Early Intake near Mather CA

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

Tuolumne River below Early Intake near Mather CA on the Tuolumne River is currently at 957 cfs (Normal — 38th percentile for this date) . Gage height: 5.59 ft.

Reading from

957
CFS Discharge
5.59
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 76
25th Low threshold 185
50th (Median) Normal (median) 1,650 Today: 957 cfs
75th High threshold 3,770
95th Very High threshold 7,630

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.

8.5k 4.3k 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 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
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