Flight: 8:24 pm

~10 mins after sunset (10 mins before dark on a Mostly Cloudy evening) 1,533,290 took flight, some went  miles NE while most went 12 miles SSE (only ~6% of those went to altitude) Winds Calm  – had been N 7-8 mph early becoming E at 18 mph w/ gusts to 28 mph and a Thunderstorm around 3:30pm, Mostly Cloudy, Temp 84°F, Dew Point 74°F rising, 21 Cooling Degree Days, Cloud Base 2280, RH 72% rising, Heat Index 91°F, BP 29.90 rising, sea level pressure 1011.5 mb rising, bats viewable until 10:15 pm under streetlights