Monday, March 18, 2024 · Congress Avenue Bridge · Austin, TX
Flight: 7:50 pm Scouts: 7:42 pm
10 minutes after sunset only ~3% of the colony flew 8 miles SSE (10% to altitude) on N Winds at 12 mph – had been northerly 12-20 mph all afternoon with Thunderstorm/Light Rain around 2pm Light Rain around 6pm, Overcast, Temp 62°F, Dew Point 59°F falling, Visibility 10 miles, 3 Heating Degree Days, Cloud Base 684′, RH 90% steady, Heat Index N/A, BP 29.97 rising, bats viewable until 9:19 pm under streetlights