Monday, July 14, 2025 · Congress Avenue Bridge · Austin, TX
11 minutes after sunset (just before dark on a Mostly Cloudy evening) ~80% of the colony flew – some went 4 miles SSW while most went 8 miles NNE (only 2% of those went to altitude) into NE Winds at 3 mph – had been northeasterly 3-7 mph all afternoon once Thunderstorm Rain Fog/Mist ended around1:30 pm, Mostly Cloudy, Temp 78°F, Dew Point 71°F falling, 14 Cooling Degree Days, Cloud Base 1596′, RH 79% steady, Heat Index 90F, BP 30.00 rising, sea level 1014.8 mb rising, bats viewable until 9:51 pm under streetlights
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