Flight: 8:56 pm

22 minutes after sunset (8 mins before dark) only ~9% of the colony flew 8 miles NNE (only 4% of those went to altitude) on S Winds at 8 mph – had been S 9-15 mph all afternoon with gusts to 25 mph around 5:30, A Few Clouds, Temp 86°F, Dew Point 69°F falling, 21 Cooling Degree Days, Cloud Base 3876, RH 57% rising, Heat Index 90°F, BP 29.90 rising, sea level 1011.4 mb rising, bats viewable until 10:19 pm under streetlights