Flight: 7:48 pm  
Scouts: 7:24 pm

5 minutes after sunset only ~4% of the colony flew 8 miles SSE (none to altitude) on N Winds at 14 mph – N Winds picked up to 18-22 mph starting 3pm with gusts to 26 mph around 7pm, A Few Clouds, Temp 67°F, Dew Point 54°F steady, 0 Cooling 0 Heating Degree Days, Cloud Base 2964′, RH 63% rising, Wind Chill N/A, BP 29.94 rising, bats viewable until 9:01 pm under streetlights

7:25 pm – 7:55 pm
when conditions allow, i.e. when temps are >50°F, Dew Point >45°F (>38°F after long torpor), Heating Degree Days <9 (<15 after long torpor), atmosphere stable, no pressure drops, no strong wind, no rain in the area

Sunset: 7:44 pm
Dark: 8:14 pm (10-20 minutes earlier if cloudy)
Sunrise: 7:30 am 

Strong N front passes Austin at 3pm, Frio 0:30, CongressScouts BalconesHeights 0:32, Bracken 0:38, D’Hanis Stuart Fern 0:42, Timberwood SanPedro BalconesHeights2 0:46, Frio Rucker 0:48, McNeil WellsBranch Loyola WaterlooGreenway 0:50, Chiroptorium SMCenterpoint SCUCISD Randolph 410&IH35 SanPedro2 0:52, Temple Leander CedarPark BeeCavePark NLamar Congress(only ~4% of the colony flew 8 miles SSE) 0:56, Dabny 0:58, Wimberley Lockhart SALutheranHS Seguin 1:00, SmythCrossing 1:02, FtCavazos FosterRd 1:04, FM1572 Spofford Pinto EagelPass 1:06, GrapeCreekHS 1:08, Salado Beaver Creek 1:18, DavisBlowout Ney 1:20, Huber 1:24,

7:20 pm – 7:50 pm
when conditions allow, i.e. when temps are >50°F, Dew Point >45°F (>38°F after long torpor), Heating Degree Days <9 (<15 after long torpor), atmosphere stable, no pressure drops, no strong wind, no rain in the area

Sunset: 7:44 pm
Dark: 8:14 pm (10-20 minutes earlier if cloudy)
Sunrise: 7:32 am 

Flight: 8:16 pm  
Scouts: 

34 minutes after sunset ~3% of the colony emerged between rain showers & flew 2 miles E on N Winds at 8 mph – Winds had been N 8-12 mph most of the afternoon, Visibility only 6 miles, Light Drizzle Fog/Mist, Temp 63°F, Dew Point 62°F rising, 7 Heating Degree Days, Cloud Base 228′, RH 97% rising, Heat Index N/A, BP 29.83 rising, bats viewable under streetlights until next shower at 9:03 pm 

Storms in the Hill Country heading E toward I-35 corridor at flight time, Frio 0:28 triggered by front, Bracken SanPedro Camden 0:36, Randolph BalconesHeights 0:44, SmythCrossing Fern 0:50, SanMarcos SMCenterpoint SCUCISD SchertzClemens 410&IH35 SALutheranHS Dabny 0:52, NewBraunfels TX28 0:54, FosterRd 0:58, Stuart 1:00, Spofford 1:02, GrapeCreekHS 1:04, Bracketville Pinto 1:06, ElMoral Quemado 1:16, Loyola 1:18, Congress 1:24(~3% ventured out between rain storms, other possible flights suppressed or readings confounded by storms

7:20 pm – 7:50 pm
when conditions allow, i.e. when temps are >50°F, Dew Point >45°F (>38°F after long torpor), Heating Degree Days <9 (<15 after long torpor), atmosphere stable, no pressure drops, no strong wind, no rain in the area

Sunset: 7:43 pm
Dark: 8:13 pm (10-20 minutes earlier if cloudy)
Sunrise: 7:33 am 

Flight: 7:38 pm  
Scouts: 7:08 pm

4 minutes before sunset, ~22% of the colony flew 12 miles ESE into S Winds at 6 mph – had been S 8-12 mph all afternoon, Temp 64°F, Dew Point 56°F rising, Visibility 10 miles, Overcast, 7 Heating Degree Days, Cloud Base 1824′, RH 75% rising, Heat Index N/A, BP 30.00 steady, bats viewable until 9:07 pm under streetlights

Upper-level moisture from the W, SanPedro 0:06, CongressScouts 0:16, Frio 0:18, McNeil WellsBranch 0:30, TX28 0:36, WaterlooGreenway(~6.3k none to altitude) SALutheranHS 0:40, Congress(~22% of the colony – 25% flew to altitude) ABIA Bracken(after rain shower) SchertzClemens Randolph TX28 BalconesHeights 0:46, Camden 0:54, Temple 0:58, Chiroptorium SMRB(Slayden) Frio2 Stuart Fern 1:06, GrapeCreekHS FosterRd 1:10, Milano Thorndale FM1572 Bracketville EaglePass 1:12, NuecesRR Pinto 1:20, S’Hanis Spofford 1:26, Ney 1:28,

7:25 pm – 7:55 pm
when conditions allow, i.e. when temps are >50°F, Dew Point >45°F (>38°F after long torpor), Heating Degree Days <9 (<15 after long torpor), atmosphere stable, no pressure drops, no strong wind, no rain in the area

Sunset: 7:42 pm
Dark: 8:12 pm (10-20 minutes earlier if cloudy)
Sunrise: 7:34 am