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Nearby posts
Rochester runs warmer than normal this month
October 15, 2026
The past 30 days at Rochester airport have been warmer than normal, with mean daily highs of 67.5°F (0.9°F above normal) and mean daily lows of 49.1°F (1.7°F above normal).
Monroe County slides into abnormally dry conditions
October 15, 2026
Monroe County entered Abnormally Dry conditions the week of October 13-19, 2026, with 25.02% of the county classified D0 or worse. October precipitation to date was 0.8 inches, 0.2 inches below normal for this point in the month at Frederick Douglass Greater Rochester International Airport, 7 km from the ecosystem.
Chinook Salmon running in Erie/Ontario tributaries
October 15, 2026
were recorded on October 14 and October 7 in the Erie/Ontario region, consistent with the fall spawning run that typically peaks from late September through early October. These introduced Pacific salmon have been stocked in Lake Ontario tributaries since 1969.
More about Caddisflies
Pollution-sensitive caddisflies found in Potomac tributaries
October 20, 2026
and net-spinning caddisfly larvae recorded through October 16 in tributaries including the Potomac River system. These pollution-sensitive larvae require dissolved oxygen above 6 mg/L and indicate that some stream reaches maintain acceptable water quality despite regional impairment designations.
Caddisflies found at multiple sites this fall
September 24, 2026
(Agraylea multipunctata) and other caddisflies were observed at multiple sites in September, with specimens collected as recently as September 20 in Byron. Caddisfly larvae are pollution-sensitive macroinvertebrates that indicate adequate dissolved oxygen and generally clean stream conditions.
Legend
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