San Joaquin River above Merced River near Newman CA

USGS Site No: 11273400 • San Joaquin River • Stanislaus County, CA

San Joaquin River above Merced River near Newman CA on the San Joaquin River is currently at 333 cfs (Normal — 60th percentile for this date) . Gage height: 49.63 ft.

Reading from

333
CFS Discharge
49.63
Gage Height (ft)
Normal
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 Today's Flow
10th Very Low threshold 59
25th Low threshold 163
50th (Median) Normal (median) 291
75th High threshold 393 Today: 333 cfs
95th Very High threshold 0

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.

798 399 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 299 —
May 27, 2026 276 —
May 26, 2026 278 —
May 25, 2026 296 —
May 24, 2026 293 —
May 23, 2026 292 —
May 22, 2026 292 —
May 21, 2026 299 —
May 20, 2026 306 —
May 19, 2026 324 —
May 18, 2026 333 —
May 17, 2026 342 —
May 16, 2026 350 —
May 15, 2026 353 —
Apr 20, 2026 739 —
Apr 19, 2026 689 —
Apr 18, 2026 663 —
Apr 17, 2026 671 —
Apr 16, 2026 668 —
Apr 15, 2026 624 —
Apr 14, 2026 638 —
Apr 13, 2026 648 —
Apr 12, 2026 618 —
Apr 11, 2026 566 —
Apr 10, 2026 540 —
Apr 9, 2026 529 —
Apr 8, 2026 551 —
Apr 7, 2026 587 —
Apr 6, 2026 650 —
Apr 5, 2026 700 —

Station Information

USGS Site No
11273400
State
CA
Coordinates
37.3472, -120.9761
Drainage Area
7,949 mi²
Datum (ft)
2.6
HUC Code
18040001
View on USGS NWIS →

Recent Extremes

Max discharge
2,300 cfs
Feb 25, 2026
Min discharge
54 cfs
Oct 1, 2025

Computed from the local daily-values archive.

Nearby Gauges