Siletz River at Siletz, OR

USGS Site No: 14305500Siletz River • Lincoln County, OR

Siletz River at Siletz, OR on the Siletz River is currently at 237 cfs (Low — 16th percentile for this date) . Gage height: 2.85 ft.

Reading from

237
CFS Discharge
2.85
Gage Height (ft)
Low
Flow Condition
Normal
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 216
25th Low threshold 271 Today: 237 cfs
50th (Median) Normal (median) 381
75th High threshold 621
95th Very High threshold 1,690

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.

5.1k 2.6k 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 252
May 27, 2026 289
May 26, 2026 310
May 25, 2026 255
May 24, 2026 249
May 23, 2026 260
May 22, 2026 271
May 21, 2026 284
May 20, 2026 298
May 19, 2026 313
May 18, 2026 346
May 17, 2026 416
May 16, 2026 427
May 15, 2026 321
Apr 20, 2026 1,040
Apr 19, 2026 1,180
Apr 18, 2026 1,350
Apr 17, 2026 1,590
Apr 16, 2026 1,990
Apr 15, 2026 2,490
Apr 14, 2026 592
Apr 13, 2026 581
Apr 12, 2026 619
Apr 11, 2026 590
Apr 10, 2026 602
Apr 9, 2026 638
Apr 8, 2026 682
Apr 7, 2026 734
Apr 6, 2026 796
Apr 5, 2026 872

Station Information

USGS Site No
14305500
State
OR
Coordinates
44.7151, -123.8873
Drainage Area
202 mi²
Datum (ft)
102.3
HUC Code
17100204
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
12.0 ft
Flood Stage
16.0 ft
Moderate Flood
20.0 ft
Major Flood
25.0 ft

Currently 13.15 ft below flood stage.

Recent Extremes

Max discharge
19,900 cfs
Dec 9, 2025
Min discharge
50 cfs
Sep 28, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges