Flight: 8:40 pm

-13 minutes after sunset (17 mins before dark ) ~28% of the colony flew 14 miles SE  (~43% of the those climbed to altitude) into S Winds at 5 mph – had been southerly 5-10 mph most of the afternoon, Fair, Temp 85°F, Dew Point 56°F rising, 20 Cooling Degree Days, Cloud Base 6612, RH 37% rising, Heat Index 84°F, BP 30.05 rising, sea level pressure 1016.4 mb rising, bats viewable until 10:11 pm under streetlights