Sandy River Near Marmot, OR

USGS Site No: 14137000 • Sandy River • Clackamas County, OR

Sandy River Near Marmot, OR on the Sandy River is currently at 697 cfs (Normal — 57th percentile for this date) . Gage height: 690.47 ft.

Reading from

697
CFS Discharge
690.47
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 291
25th Low threshold 373
50th (Median) Normal (median) 588
75th High threshold 965 Today: 697 cfs
95th Very High threshold 2,600

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.

3.9k 1.9k 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 594 —
May 27, 2026 586 —
May 26, 2026 608 —
May 25, 2026 609 —
May 24, 2026 619 —
May 23, 2026 638 —
May 22, 2026 657 —
May 21, 2026 682 —
May 20, 2026 720 —
May 19, 2026 774 —
May 18, 2026 849 —
May 17, 2026 964 —
May 16, 2026 756 —
May 15, 2026 647 —
Apr 20, 2026 1,960 —
Apr 19, 2026 2,090 —
Apr 18, 2026 2,030 —
Apr 17, 2026 2,030 —
Apr 16, 2026 2,210 —
Apr 15, 2026 2,220 —
Apr 14, 2026 1,490 —
Apr 13, 2026 1,580 —
Apr 12, 2026 1,250 —
Apr 11, 2026 1,300 —
Apr 10, 2026 1,150 —
Apr 9, 2026 1,190 —
Apr 8, 2026 1,250 —
Apr 7, 2026 1,310 —
Apr 6, 2026 1,390 —
Apr 5, 2026 1,450 —

Station Information

USGS Site No
14137000
State
OR
Coordinates
45.3996, -122.1373
Drainage Area
264 mi²
Datum (ft)
0.0
HUC Code
17080001
View on USGS NWIS →

Recent Extremes

Max discharge
17,700 cfs
Dec 19, 2025
Min discharge
209 cfs
Oct 8, 2025

Computed from the local daily-values archive.