Tuesday, July 15, 2025 · Congress Avenue Bridge · Austin, TX
16 minutes after sunset (just before dark on a Mostly Cloudy evening) only ~8% of the colony flew – some went 4 miles SSW while most went 8 miles NNE (only 2% of those went to altitude) on SE Winds at 8 mph – had been southerly 3-12 mph with gusts to 18 mph around 6:30pm, Mostly Cloudy, Temp 80°F, Dew Point 69°F falling, 18 Cooling Degree Days, Cloud Base 2508′, RH 69% rising, Heat Index 83F, BP 30.00 rising, sea level 1014.8 mb rising, bats viewable until 10:05 pm under streetlights
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