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Hatch predictions for 300+ US rivers — built from live water & weather, then confirmed against real fly-shop reports.

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Canyon Creek Near Cedar Falls

Canyon Creek · Pacific NW · USGS gage 12116100

Coldwater (summer mean 15.4°C — prime coldwater).

Water
59°F
Flow
0 cfs
Air
42°F
Sky
97%
Pressure
29.94 in
Wind
5 mph
Predicted hatches · 2026-10-30

No bugs scoring above the noise floor right now.

PREDICTED from the first-principles model only. Report-confirmed signal (fly-shop & forum reports) is the next milestone.