Flight: 8:34 pm

31 mins after sunset (after dark) only ~31% of the colony braved the pop-up rave in the parking lot and flew 12 miles S (~43% of them went to altitude) on E Winds at 5 mph – had been NE 6-16 most of the afternoon with gusts to 23 mph around 3:30pm, Partly Cloudy, Temp 90°F, Dew Point 63°F falling, 18 Cooling Degree Days, Cloud Base 6156′, RH 41% rising, Heat Index 91°F, BP 29.93 rising, sea level pressure 1012.2 mb rising, bats viewable until 11:25 pm under streetlights