Colorado River Near Granby
Colorado River · Rockies · USGS gage 09019500
Coldwater (summer mean 9.6°C — prime coldwater).
Water
n/a
Flow
n/a
Air
35°F
Sky
50%
Pressure
29.96 in
Wind
3 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.