Tuesday, July 22, 2025 · Congress Avenue Bridge · Austin, TX
20 minutes after sunset (10 mins before dark on a partly cloudy evening) ~33% of the colony flew 8 miles ENE (11% of those went to altitude) on S Winds at 14 mph with gusts to 22 mph – had been S 12-17 mph all afternoon, Partly Cloudy, Temp 88°F, Dew Point 68°F falling, 20 Cooling Degree Days, Cloud Base 4560, RH 52% rising, Heat Index 92°F, BP 29.93 rising, sea level 1012.3 mb rising, bats viewable until 10:21 pm under streetlights
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