Saturday, July 19, 2025 · Congress Avenue Bridge · Austin, TX
23 minutes after sunset (just before dark) ~22% of the colony flew 8 miles ENE (20% of those went to altitude) on SE Winds at 14 mph with gusts to 24 mph – had been S 6-13 mph all afternoon, Partly Cloudy, Temp 86°F, Dew Point 71°F rising, 18 Cooling Degree Days, Cloud Base 3420, RH 61% rising, Heat Index 92°F, BP 30.01 rising, sea level 1015.1 mb rising, bats viewable until 10:07 pm under streetlights
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