Hammer Creek At Obie Rd near Schafferstown
Hammer Creek · Northeast · USGS gage 01576381
Trout (marginal) (summer mean 17.9°C — trout, warm in summer).
Water
52°F
Flow
12 cfs
Air
53°F
Sky
0%
Pressure
30.06 in
Wind
8 mph
Predicted hatches · 2026-10-30
PredictedBlue-Winged OliveBaetis spp.0.97
Predicted by conditions; no reports yet. water 11.1°C (52°F) is cooling past the prime band (6-11°C); peak season; 8 days sustained ≥4°C; watch midday, especially overcast afternoons.
flies: BWO Sparkle Dun #18-22, RS2, Pheasant Tail #18
PredictedMidgeChironomidae0.41
Predicted by conditions; no reports yet. water 11.1°C (52°F) is cooling past the prime band (1-10°C); shoulder of the season; 8 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.