Snake River · Washington · Columbia
Hells Canyon Mouth
Target: Fall Chinook
Confidence is reduced because fish counts, 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**Verdict:** Hells Canyon Mouth rates as Good (77/100) for fall Chinook, but confidence is low at just 12% due to limited data. **What's driving the score:** Weather and pressure conditions are favorable—stable pressure, light wind at 16 km/h, and mostly clear skies (24% cloud cover) together account for the full 77-point score. **What's missing:** Fish counts, river flow, and water temperature are all unavailable, which significantly undermines confidence in this forecast. Before heading out, try to confirm current water temperature and recent angler activity, as these would be critical to validating whether conditions are actually producing.
What drove the score
Factor breakdown
Weather & pressure
24% cloud, 16 km/h wind, stable pressure.
view source ↗Excluded — source unavailable
- Fish countsweight 30% · dropped
- 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
- 78201e8a
- reproducible
- ✗ mismatch
- usgs gauge
- 13343500 ↗