Sf Trinity River below Hyampom CA

USGS Site No: 11528700Sf Trinity River • Trinity County, CA

Sf Trinity River below Hyampom CA on the Sf Trinity River is currently at 391 cfs (Normal — 52th percentile for this date) . Gage height: 3.53 ft.

Reading from

391
CFS Discharge
3.53
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 147
25th Low threshold 282
50th (Median) Normal (median) 373
75th High threshold 652 Today: 391 cfs
95th Very High threshold 1,260

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.

7.2k 3.6k 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 397
May 27, 2026 375
May 26, 2026 364
May 25, 2026 369
May 24, 2026 378
May 23, 2026 381
May 22, 2026 389
May 21, 2026 398
May 20, 2026 407
May 19, 2026 415
May 18, 2026 425
May 17, 2026 432
May 16, 2026 436
May 15, 2026 444
Apr 20, 2026 772
Apr 19, 2026 696
Apr 18, 2026 746
Apr 17, 2026 817
Apr 16, 2026 916
Apr 15, 2026 1,020
Apr 14, 2026 1,160
Apr 13, 2026 1,340
Apr 12, 2026 1,110
Apr 11, 2026 750
Apr 10, 2026 704
Apr 9, 2026 569
Apr 8, 2026 514
Apr 7, 2026 528
Apr 6, 2026 548
Apr 5, 2026 571

Station Information

USGS Site No
11528700
State
CA
Coordinates
40.6498, -123.4942
Drainage Area
764 mi²
Datum (ft)
1,212.0
HUC Code
18010212
View on USGS NWIS →

Recent Extremes

Max discharge
17,400 cfs
Feb 25, 2026
Min discharge
82 cfs
Sep 6, 2025

Computed from the local daily-values archive.

Nearby Gauges