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Thursday August 28, 2025

Chiroptoroium 0:24, OldTunnel Bracken 0:30, Frio 0:48, DavisBlowout Huber 0:54, SanPedro 0:56, McNeil 0:58, SaladoCreek&MLKdriver 410&IH35 1:00, SanMarcos 1:04, WaterlooGreenway 1:08, Lockhart SMCenterpoint TX28 BalconesHeights SALutheran Seguin SMRB(Slayden) 1:10, WellsBranch CongressScouts 1:12, Stuart 1:14, NLamar Crestwood&IH35 Congress(~40% of the colony flew – some went 12 miles NE while most went 18 miles SE ~35% of the total went to altitude) ABIA 1:16, Temple Loyola Dittmar Wimberley 1:18, Floresville 1:24, SanAngelo FosterRd GrapeCreek 1:32, NuecesRR 1:36, SmythCrossing EaglePass 1:42, Thorndale 1:46, JamesRiver D’Hanis LaNavaja(Coahuila) ElMoral(Coahuila) Fern 1:50,

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Friday August 29, 2025

8:00 pm – 8:30 pm

 when conditions allow, i.e. when the atmosphere is stable, no pressure drops, no strong wind or rain in the area, If conditions look good (low or no wind), get there early!
The Congress bat pups have been flying for about 5 weeks now, so flights can be great nowadays, especially if a front moves through that stirs up insect activity.

Sunset: 7:57 pm
Dark: 8:27 pm (10-20 min). earlier if cloudy)
Sunrise: 7:06 am

Thursday August 28, 2025

Flight: 8:08 pm
Scouts: 8:04 pm

10 mins after sunset (~20 minutes before dark) ~40% of the colony flew – some went 12 miles NE while most went 18 miles SE (~35% of the total went to altitude) into SE Winds at 7 mph – had been southerly 8-16 mph all afternoon with gusts to 24 mph just after noon, A Few Clouds, Temp 94°F, Dew Point 66°F rising, 23 Cooling Degree Days, Cloud Base 6384′, RH 40% rising, Heat Index 97°F, BP 29.88 rising, sea level pressure 1010.5 mb falling, bats viewable until 9:09 pm under streetlights

Wednesday August 27, 2025

Storms moving N stretching from SanAntonion to SanAngelo, storm dissipating in NAustin just before flight time, Outflow boundary heading N from storms E of Austin, OldTunnel 0:18, Chiroptorium 0:28, Frio 0:38, Bracken 0:42, Huber 0:44, DavisBlowout 0:48, McNeil SanPedro BalconesHeights SaladoCreek&MLKdrive 1:06, SanMarcos SMCenterpoint NewBraunfels SCUCISD TX28 SchertzClemens Randolph 410&IH35 SALutheran Camden TX24 Seguin 1:14, Stuart 1:18, WellsBranch Crestwood Congress(~46% of the colony flew – some went 12 miles NE while most went 12 miles ESE ~26% of the total went to altitude) Dittmar Buda Wimberley Lockhart SMRB(Slayden) 1:20, SanAngelo 1:22, Temple Loyola TomMillerDam ABIA 1:26, Floresville FosterRd 1:28 as storm pop up just to the W, NuecesRR SmythCrossing Fern 1:36, GrapeCreek 1:38, JamesRiver 1:42,

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Thursday August 28, 2025

8:05 pm – 8:35 pm

 when conditions allow, i.e. when the atmosphere is stable, no pressure drops, no strong wind or rain in the area, If conditions look good (low or no wind), get there early!
The Congress bat pups have been flying for about 5 weeks now, so flights can be great nowadays, especially if a front moves through that stirs up insect activity.

Sunset: 7:58 pm
Dark: 8:28 pm (10-20 min). earlier if cloudy)
Sunrise: 7:05 am

Wednesday August 27, 2025

Flight: 8:12 pm

13 mins after sunset (~17 minutes before dark) ~46% of the colony flew – some went 12 miles NE while most went 12 miles ESE (~26% of the total went to altitude) into SE Winds at 8 mph – had been southerly 6-12 mph most of the afternoon with a Thunderstorm/Light Rain around 4:30 pm, A Few Clouds, Temp 88°F, Dew Point 77°F rising, 19 Cooling Degree Days, Cloud Base 2508′, RH 57% rising, Heat Index 94°F, BP 30.01 falling, sea level pressure 1015.1 mb falling, bats viewable until 9:49 pm under streetlights

Tuesday August 26, 2025

Storms from BayCity to Austin and from Hondo to Laredo send outflow boundaries NNW, Frio 0:24, OldTunnel 0:32, Bracken 0:38, Chiroptorium 0:50 Huber SanMarcos SanPedro 1:06, SchertzClemens BalconesHeights Camden 1:10,McNeil NewBraunfels SALutheran Seguin 1:14, Wimberley 1:16, WellsBranch Stuart 1:18, Congress(~30% of the colony flew – some went 6 miles SSW while most went 12 miles SE ~31% of the total went to altitude) 1:20, NLamar Crestwood&IH35 Loyola Dittmar 1:24, Temple 1:26, FosterRd 1:28, SanAngelo 1:32, GrapeCreek 1:40,

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Wednesday August 27, 2025

8:05 pm – 8:35 pm

 when conditions allow, i.e. when the atmosphere is stable, no pressure drops, no strong wind or rain in the area, If conditions look good (low or no wind), get there early!
The Congress bat pups have been flying for about a month now, so flights can be great nowadays, especially if a front moves through that stirs up insect activity.

Sunset: 7:59 pm
Dark: 8:29 pm (10-20 min). earlier if cloudy)
Sunrise: 7:05 am

Tuesday August 26, 2025

Flight: 8:12 pm

12 mins after sunset (~8 minutes before dark on an Overcast evening) ~30% of the colony flew – some went 6 miles SSW while most went 12 miles SE (~31% of the total went to altitude) into S Winds at 8 mph – had been easterly 6-10 mph much of the afternoon, Overcast, Temp 84°F, Dew Point 71°F falling, 18 Cooling Degree Days, Cloud Base 2964′, RH 65% rising, Heat Index 89°F, BP 30.04 rising, sea level pressure 1016.3 mb rising, bats viewable until 9:57 pm under streetlights

Monday August 25, 2025

Bracken 0:34, Frio 0:48, OldTunnel Chiroptorium 1:10, SCUCISD TX28 410&IH35 SanPedro SALutheran Camden Seguin 1:16, Dittmar Wimberley Lockhart SanMarcos SMCenterpoint NewBraunfels SchertzCLemens Randolph TX24 SMRB(Slayden) 1:24, Huber McNeil WellsBranch Congress(~43% of the colony flew – some went 6 miles SSW while most went 12 miles SE ~44% of the total went to altitude) Onion Buda MustangRidge Stuart 1:30, SanAngelo 1:34, Temple Loyola ABIA 1:36, Floresville 1:38, FosterRd 1:40, GrapeCreek 1:42, BeeCavePark 1:44, Rucker Fern 1:52, JamesRiver 2:08,

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