Flight: 8:56 pm

22 minutes after sunset (8mins before dark) only ~4% of the colony flew 8 miles NNE (only 3% of those went to altitude) on S Winds at 7 mph – had been S 12-14 all afternoon gusting to 22 mph from SE around 6:30pm, A Few Clouds, Temp 85°F, Dew Point 71°F rising, 19 Cooling Degree Days, Cloud Base 3192′, RH 63% rising, Heat Index 90°F, BP 29.94 rising, sea level 1012.5 mb rising, bats viewable until 9:57 pm under streetlights