Flight: 6:40pm  
Scouts: 

5 minutes after sundown only ~1% of the colony flew SSW 6 miles (2% to altitude) on N Winds at 12 mph – had been N 13-20 mph all afternoon with gusts to 24 mph around 5pm, Temp 59°F, Dew Point 41°F rising, Visibility 10 miles, Partly Cloudy, 11 Heating Degree Days, Cloud Base 4104′, RH 51% rising, Heat Index N/A. BP 30.14 rising, bats viewable until 9:25 pm under streetlights