What is the historical median flow for the Snake River at Hells Canyon Dam ID-OR State Line on June 11?

The long-term median discharge for this date is 21,100 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 8,140 to 50,200 cfs.

Where is the Snake River at Hells Canyon Dam ID-OR State Line stream gauge located?

The Snake River at Hells Canyon Dam ID-OR State Line stream gauge is operated by the USGS in Wallowa County, OR on the Snake River. USGS site number 13290450 (coordinates 45.2544, -116.6969).

Snake River at Hells Canyon Dam ID-OR State Line

USGS Site No: 13290450 • Snake River • Wallowa County, OR

Snake River at Hells Canyon Dam ID-OR State Line on the Snake River appears to be offline. The last reading on record is 12,700 cfs, recorded Oct 1, 2010.

Gauge appears offline — last reading Oct 1, 2010.

Nearby gauges with live readings

This gauge isn't reporting right now. These nearby USGS gauges are currently active:

Little Salmon River at Riggins ID 21.1 mi@if($nearby->currentReading) · 1,680 cfs@endif
East Fork Wallowa River Near Joseph, OR 25.0 mi@if($nearby->currentReading) · 31 cfs@endif
Nf Payette River at Mccall ID 37.0 mi@if($nearby->currentReading) · 1,040 cfs@endif
Salmon River at White Bird ID 38.7 mi@if($nearby->currentReading) · 32,300 cfs@endif
Lake Fork Payette River above Jumbo Creek near Mccall ID 41.5 mi@if($nearby->currentReading) · 529 cfs@endif

↑ Upstream on Snake River

Snake River at Weiser ID

Downstream on Snake River ↓

Snake River Near Anatone, WA

12,700

CFS Discharge

0.00

Gage Height (ft)

Normal

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	8,140
25th	Low threshold	11,400
50th (Median)	Normal (median)	21,100	Today: 12,700 cfs
75th	High threshold	35,400
95th	Very High threshold	50,200

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.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
Apr 20, 2026	8,252	12.09
Apr 19, 2026	10,246	12.60
Apr 18, 2026	11,096	13.61
Apr 17, 2026	8,153	11.19
Apr 16, 2026	8,914	11.19
Apr 15, 2026	10,511	13.53
Apr 14, 2026	8,853	12.68
Apr 13, 2026	7,094	11.66
Apr 12, 2026	10,716	12.77
Apr 11, 2026	12,974	13.40
Apr 10, 2026	11,947	13.82
Apr 9, 2026	11,030	13.11
Apr 8, 2026	8,011	11.21
Apr 7, 2026	9,307	10.87
Apr 6, 2026	10,229	12.99
Apr 5, 2026	12,113	13.28
Apr 4, 2026	8,979	12.05
Apr 3, 2026	12,105	12.03
Apr 2, 2026	10,484	13.60
Apr 1, 2026	8,296	12.32
Mar 31, 2026	6,377	10.57
Mar 30, 2026	5,609	9.88
Mar 29, 2026	7,303	11.11
Mar 28, 2026	7,068	10.97
Mar 27, 2026	5,133	9.68
Mar 26, 2026	9,448	12.96
Mar 25, 2026	7,433	10.61
Mar 24, 2026	7,892	11.78
Mar 23, 2026	6,716	12.11
Mar 22, 2026	5,642	10.41

Station Information

USGS Site No: 13290450
State: OR
County: Wallowa County
Coordinates: 45.2544, -116.6969
Drainage Area: 73,300 mi²
Datum (ft): 1,435.0
HUC Code: 17060101

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 10.4 ft
Flood Stage: 16.0 ft
Moderate Flood: 20.0 ft
Major Flood: 25.6 ft

Currently 16.00 ft below flood stage.

Recent Extremes

Max discharge: 27,700 cfs

Apr 23, 2025
Min discharge: 2,041 cfs

Jan 31, 2026
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Little Salmon River at Riggins ID
21.1 mi · 1,680 cfs

Low
East Fork Wallowa River Near Joseph, OR
25.0 mi · 31 cfs

Normal
Nf Payette River at Mccall ID
37.0 mi · 1,040 cfs

Normal
Salmon River at White Bird ID
38.7 mi · 32,300 cfs

Normal
Lake Fork Payette River above Jumbo Creek near Mccall ID
41.5 mi · 529 cfs

Normal