Snake River · Washington · Columbia
Hells Canyon Mouth
Target: Fall Chinook
Confidence is reduced because river flow, water temperature, recent angler reports were unavailable. The score reflects only the sources that reported in.
Angler briefing
generated · claude-haiku-4-5# Hells Canyon Mouth – Fall Chinook Briefing **Verdict:** Good conditions (78/100) for Fall Chinook at Hells Canyon Mouth, though low confidence warrants cautious optimism. **Driver:** Fish counts are strong—recent passage of 1120 fish runs 35% above baseline and is climbing, accounting for most of the score. Weather is cooperating with light cloud cover, moderate wind, and stable pressure. However, critical data on river flow, water temperature, and recent angler reports are missing, which significantly limits confidence to just 12%—you're fishing on solid numbers but blind to real-time conditions that could make or break your day.
What drove the score
Factor breakdown
Fish counts
Recent count 1120 vs 832 baseline (+35%, rising).
view source ↗Weather & pressure
13% cloud, 15 km/h wind, stable pressure.
view source ↗Excluded — source unavailable
- River flowweight 25% · dropped
- Water temperatureweight 25% · dropped
- Recent angler reportsweight 8% · dropped
Catch report
Did you catch fish here?
No account, no personal data — just the catch outcome.
Fish-count feed
last 6 readingsSame inputs · every model version
Provenance
- inputs hash
- 23ddef2e
- reproducible
- ✗ mismatch
- usgs gauge
- 13343500 ↗