Sunday, July 27, 2025 · Congress Avenue Bridge · Austin, TX
-15 minutes after sunset (10 mins before dark ) ~32% of the colony flew 8 miles NE (only 5% of the those went to altitude) on S Winds at 10 mph – had been southerly 10-21 mph all afternoon with gusts to 28 mph around 5:30 pm, Partly Cloudy, Temp 82°F, Dew Point 71°F steady, 20 Cooling Degree Days, Cloud Base 2508, RH 69% rising, Heat Index 86°F, BP 30.00 rising, sea level 1014.9 mb rising, bats viewable until 10:19 pm under streetlights
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