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Snohomish River · Washington

Monroe Bend

Target: Coho Salmon

model v1.0.0 · Heuristic Baseline
freshly scored · 8/31/2026, 5:45:08 AM
90/100
Excellent
Confidence37% · Low confidence

Confidence is reduced because fish counts, water temperature, recent angler reports were unavailable. The score reflects only the sources that reported in.

Angler briefing

generated · claude-haiku-4-5

Monroe Bend scores excellently at 90/100 for Coho, driven primarily by ideal river flow at 1440cfs (well within the 600–2200cfs sweet spot) and favorable weather with clear skies, light wind, and stable pressure. However, the 37% confidence is notably low due to unavailable fish counts, water temperature, and recent angler reports—critical data that could significantly shift conditions on the water. Plan to scout conditions yourself and talk to local anglers before committing, as the score is only as reliable as its complete information.

What drove the score

Factor breakdown

River flow

+68pts

1440cfs is in the ideal band (600–2200cfs).

view source ↗

Weather & pressure

+23pts

0% cloud, 6 km/h wind, stable pressure.

view source ↗

Excluded — source unavailable

  • Fish countsweight 30% · 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 readings
5/23/2026now · 850 counted

Same inputs · every model version

v1.0.0active
Heuristic Baseline
90
37% conf
v1.1.0candidate
Thermal-Weighted Candidate
88
36% conf
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Provenance

inputs hash
0827a52e
reproducible
✗ mismatch
usgs gauge
12150800