West Branch Delaware River At Stilesville
West Branch Delaware River · Northeast · USGS gage 01425000
Coldwater (summer mean 9.0°C — prime coldwater).
Water
46°F
Flow
516 cfs
Air
63°F
Sky
1%
Pressure
29.95 in
Wind
3 mph
Predicted hatches · 2026-07-31
PredictedMidgeChironomidae0.50
Predicted by conditions; no reports yet. water 8.0°C (46°F) sits in the prime band (1-10°C); shoulder of the season; 7 days sustained ≥0°C; watch midday, especially cold months.
flies: Zebra Midge #18-22, Griffith's Gnat, Disco Midge
PREDICTED from the first-principles model only. Report-confirmed signal (fly-shop & forum reports) is the next milestone.