Flight:  No Flight
Scouts:

Just a smattering of bats around 9:45pm – most stayed in the roost, Flight Time Conditions:  Winds N at 10 mph – had been NE 7-12 mph most of the afternoon, Overcast, Temp 70°F, Dew Point 68°F falling, Visibility 10 miles, 7 Cooling Degree Days, Cloud Base 456′, RH 93% falling, Heat Index N/A, BP 29.73 rising

Rain heading E over Austin & RoundRock at flight time, storm over SanAngelo, Bracken SchertzClemens Frio 1:40, Stuart Fern 2:00, GrapeCreek 2:14, Rucker 2:16, SanAngelo 2:20, Huber 2:24, FosterRd 2:28, McNeil(tiny) 2:46, Congress(<1k) at 2:56, other possible fllights supressed by instability or obscured by high humidity

8:55pm – 9:25 pm
when conditions allow, i.e. when temps are >50°F, Dew Point >45°F, Heating Degree Days <9, atmosphere stable, no pressure drops, no strong wind, no rain in the area.
Frontal passage should generate slightly earlier & stronger flights, even with recent abundant rainfall

Sunset: 8:16 pm
Dark: 8:46 pm (10-20 minutes earlier if cloudy)
Sunrise: 6:39 am 

Flight:  9:22 pm
Scouts: 9:16 pm

~67 minutes after sunset (30 minutes after dark) ~44% of the colony flew 8 miles NNW on E Winds at 8 mph – had been E 13-15 mph most of the afternoon with gusts from NE at 17 mph around 8pm, Temp 69°F, Dew Point 63°F steady, Visibility 10 miles, Overcast, 11 Cooling Degree Days, Cloud Base 1368′, RH 81% rising, Heat Index N/A and rising, BP 29.89 rising, bats viewable until 11:31 pm under streetlights

Storms heading N along US90 E of IH35, Bracken 1:36, SchertzClemens Seguin 1:38, SanMarcos 1:42, TX28 410&IH35 1:46, Randolph Frio 1:50, GrapeCreek 1:56, SanAngelo 2:00, FosterRd 2:06, McNeil 2:10, SmythCrossing Stuart Rucker EaglePass Jimenez 2:18, CongressScouts 2:24, Congress(~44% of the colony flew 8 miles NNW) 2:30, Victoria 2:42, Congress2 2:46,

8:55pm – 9:25 pm
when conditions allow, i.e. when temps are >50°F, Dew Point >45°F, Heating Degree Days <9, atmosphere stable, no pressure drops, no strong wind, no rain in the area.
Frontal passage should generate slightly earlier & stronger flights, even with recent abundant rainfall

Sunset: 8:15 pm
Dark: 8:45 pm (10-20 minutes earlier if cloudy)
Sunrise: 6:39 am 

Flight:  9:06 pm
Scouts: 8:54 pm
2nd Flight: 9:14 pm

52 minutes after sunset (much earlier but still ~30 min after dark) ~21% of the colony flew 6 miles SSW on N Winds at 9 mph – had been NE 14-21 mph most of the afternoon with gusts to 30 mph around 4pm, Temp 73°F, Dew Point 61°F falling, Visibility 10 miles, Mostly Cloudy, 13 Cooling Degree Days, Cloud Base 2736′, RH 68% rising, Heat Index N/A, BP 29.95 rising, bats viewable until midnight under streetlights

Storms heading E toward FtCavazos & Temple, small cell heading E to the N of Congress at flight time, Bracken SchertzClemens 1:44, TX28 Seguin 1:48, Frio 1:50, Huber 410&IH35 1:54, Chiroptorium SALutheranHS 1:56, Bracketville 1:58, DavisBlowout McNeil 2:00, CongressScouts GrapeCreek 2:02, Uvalde 2:04, OldTunnel 2:08, FosterRd 2:10, D’Hanis SmythCrossing Stuart EaglePass 2:12, Congress 2:14, Rucker Fern 2:18, SanPedro 2:20, Congress2(~21% of the colony headen 6 miles SSW) 2:22,

9:10 pm – 9:40 pm
when conditions allow, i.e. when temps are >50°F, Dew Point >45°F, Heating Degree Days <9, atmosphere stable, no pressure drops, no strong wind, no rain in the area.
Frontal passage should generate slightly earlier & stronger flights, even with recent abundant rainfall

Sunset: 8:14 pm
Dark: 8:44 pm (10-20 minutes earlier if cloudy)
Sunrise: 6:40 am 

Flight:  9:42 pm
Scouts: 9:16 pm

88 minutes after sunset (way after dark – 62 minutes after Thunderstorm ended) ~19% of the colony headed 6 miles SSE on N Winds at 17 mph – had been easterly 6-10 mph all afternoon, Temp 78°F, Dew Point 62°F falling, Visibility 10 miles, Mostly Cloudy, 18 Cooling Degree Days, Cloud Base 3648′, RH 58% rising, Heat Index 80°F, BP 29.80 rising, bats viewable until 10:15 pm under streetlights