Flight: 8:56 pm

21 minutes after sunset (5 mins before dark) ~11% of the colony flew – some went 6 miles W while most went 8 miles NE (only 4% of those went to altitude) on SE Winds at 15 mph – had been southerly 13-18 mph all afternoon with gusts to 26 mph around 4:30 pm, Partly Cloudy, Temp 85°F, Dew Point 71°F steady, 18 Cooling Degree Days, Cloud Base 3192′, RH 63% rising, Heat Index 90F, BP 29.94 rising, sea level 1012.8 mb rising, bats viewable until 9:53 pm under streetlights