Flight: 8:50 pm

15 minutes after sunset (~10 mins before dark) ~12% of the colony flew 6 miles NE (18% of those went to altitude) on SE Winds at 13 mph – had been S 13-20 mph all afternoon with gusts to 22 mph around 7:30 pm, Partly Cloudy, Temp 85°F, Dew Point 74°F rising, 20 Cooling Degree Days, Cloud Base 2508′, RH 70% rising, Heat Index 92F, BP 29.94 rising, sea level 1012.5 mb rising, bats viewable until 9:51 pm under streetlights