Flight:  No Evening Flight due to storms
Scouts: 

bats hunkered down until storms passed at 3:30 am when ~54k flew a few miles south, 3 cm hail to the N & S of Congress before & after flight time, Flight Time Conditions: Winds NW at 13 mph with gusts to 25 mph – had switched from S as front passed at ~5:30 pm, Temp 73°F, Dew Point 62°F falling, Visibility 9 miles, Overcast, 10 Cooling Degree Days, Cloud Base 2508′, RH 69% falling, Heat Index N/A, BP 29.56 rising, after storm the next morning bats were viewable until ~4:30 am under streetlights

Big storms developing along IH 35 corridor at flight time as front passes to the SSE, Frio 1:06 rides the front S until major storm bounces them back N at 2:12 (really interesting to see on radar, must have been awesome & stunningly beautiful for the bats), 3 cm hail N&S of Congress before & after flight time – no emergence, Bracken 1:16 seriously scary as the bats headed south & major storm impacted them away from the roost – there was no way around it & they may have had to shelter from the storm until 3am , SchertzClemens Randolph Camden Stuart 1:20, NewBraunfels 1:22, SanMarcos SMCenterpoint TX28 Lohghorn&Western 1:26, Nueces90 Pinto GrapeCreekHS SanAngelo FosterRd 1:30, SanPedro BalconesHeights 1:34, SALutheranHS D’Hanis 1:38, others obscured or suppressed by storms

7:55 pm – 8:25 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. 

Sunset: 7:55 pm
Dark: 8:25 pm (10-20 minutes earlier if cloudy)
Sunrise: 7:10 am 

Flight  No Flight 
Scouts: 

Eclipse Notes: bats chattered quite loudly during totality as birds quieted down, but only one lonely bat flitted about the West side of the bridge around 1:30 pm according to bat citizen scientist Dana from Philadelphia. Thanks, Dana, for the Eclipse Face Time call!
No Evening Flight (just a smattering of bats (<500)) due to unstable conditions at flight time – Winds S at 10 mph – had been southerly 6-12 mph all afternoon with Light Rain Fog/Mist at 5pm and gusts to 25 mph at 7pm, Visibility 7 miles, Overcast, Temp 74°F, DewPoint 72°F steady, 4 Cooling Degree Days, Cloud Base 456′, Heat Index N/A, RH 94% rising, BP 29.73 steady, 

Frio 1:02, Bracken SchertzClemens Seguin 1:14, New Braunfels 1:16, Chiroptorium McNeil Wimberlery SanMarcos SMCenterpoint SCUCISD TX28 Longhorn&Western 410&IH35 SanPedro 1:22, BalconesHeights SALutheranHS Stuart 1:28, DavisBlowout Huber Congress(only a smattering, no flight) Dabny GrapeCreekHS SanAngelo 1:30, FosterRd 1:34, SunnyClime Knippa Uvalde NuecesRR Nueces90 SmythCrossing Pinto 1:36, Comfort ElMoral(Coahuila) Jimenez 1:42, Camden 1:44, OldTunnel Centerpoint D’Hanis EaglePass Fern 1:48,

7:55 pm – 8:25 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. Good chance for a strong flight tonight just before or at dark

Sunset: 7:54 pm
Dark: 8:24 pm (10-20 minutes earlier if cloudy)
Sunrise: 7:11 am 

Flight 8:30 pm 
Scouts: 8:24 pm

~37 minutes after sunset (after dark) ~34% of the colony flew 6 miles ESE (16% to altitude) Winds Variable at 3 mph – had been NE 5-7 mph most of the afternoon, Mostly Cloudy, Temp 74°F, Dew Point 50°F steady, Visibility 10 miles, 5 Cooling Degree Days, Cloud Base 5472′, RH 43% rising, Heat Index N/A, BP 29.86 steady, some bats viewable until 10:33 pm under streetlights

Frio 1:06, Bracken 1:12, Longhorn&Western 1:16, SchertzClemens SanPedro 1:18, GrapeCreek SanAngelo FosterRd 1:20, Chiroptorium SMCenterpoint Randolph TX28 410&IH35 Camden 1:24, SCUCISD 1:26, Temple McNeil FM1572 Dabny 1:28, CongressScouts Dittmar Creedmoor Wimberley SanMarcos Lockhart SALutheranHS SMRB(Slayden) 1:32, Huber Salado Thorndale Taylor D’Hanis Uvlade NuecesRR Nueces90 SmythCrossing Webb Stuart 1:34, OldTunnel DavisBlowout Congress(~34% flew 6 miles ESE 16% to altitude) Ney Centerpoint 1:38, EaglePass ElMoral(Coahuila) Pinto DelRio 1:40, Vanderpool 1:48, Fern 1:54, BeaverCreek 1:56,

7:50 pm – 8:20 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. Good chance for a strong flight tonight just before or at dark

Sunset: 7:53 pm
Dark: 8:23 pm (10-20 minutes earlier if cloudy)
Sunrise: 7:12 am 

Flight 8:28 pm Not Good (Wind may have kept most bats in the roost)
Scouts: 8:20 pm

Not Good – 36 minutes after sundown (way after dark) only ~1% of the colony braved gusty winds to fly 4 miles WNW (14% of those few flew to altitude) on S Winds at 15 mph – had been S 14-18 mph all afternoon with gusts from SE to 23 mph around 7pm, Temp 73°F, Dew Point 66°F rising, Visibility 10 miles, Overcast, 0 Heating / Cooling Degree Days, Cloud Base 1596′, RH 79% rising, Heat Index N/A. BP 29.82 rising, bats viewable until 9:15 pm under streetlights