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Tuesday August 26, 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: 8:00 pm
Dark: 8:30 pm (10-20 min). earlier if cloudy)
Sunrise: 7:04 am

Monday August 25, 2025

Flight: 8:22 pm

21 mins after sunset (~7 minutes before dark) ~43% of the colony flew – some went 6 miles SSW while most went 12 miles SE (~44% of the total went to altitude) into E Winds at 7 mph – had been Light & Variable most of the afternoon, A Few Clouds, Temp 91°F, Dew Point 62°F steady, 19 Cooling Degree Days, Cloud Base 6612′, RH 38% rising, Heat Index 92°F, BP 29.96 rising, sea level pressure 1013.4 mb rising, bats viewable until 11:19 pm under streetlights

Sunday August 24, 2025

Isolated storm headed E toward Seguin early, Bracken 1:00, Frio 1:02, OldTunnel 1:14, SchertzClemens Randolph TX28 410&IH35 SanPedro Camden 1:22, Chiroptorium Huber Dittmar Wimberley SanMarcos SMCenterpoint NewBraunfels SCUCISD SALutheran 1:28, DavisBlowout McNeil Crestwood&IH35 Loyola Congress(~932,300 flew – some went 6 miles N while most went 8 miles S ~44% of the total went to altitude) 1:34, SMRB(Slayden) 1:36, Stuart Fern 1:38, Ney 1:42, D’Hanis 1:46, SanAngelo GrapeCreek FosterRd 1:50, JamesRiver Temple 1:58,

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Monday August 25, 2025

8:10 pm – 8:40 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 taken to the wing, so flights can be great nowadays, especially if a front moves through that stirs up insect activity.

Sunset: 8:01 pm
Dark: 8:31 pm (10-20 min). earlier if cloudy)
Sunrise: 7:04 am

Sunday August 24, 2025

Flight: 8:28 pm

24 mins after sunset (about dark on a Partly Cloudy afternoon) ~932,300 flew – some went 6 miles N while most went 8 miles S (~44% of the total went to altitude) Winds Variable at 5 mph – had been NE 10-14 mph most of the afternoon with gusts to 26 mph around 5:30pm, Partly Cloudy, Temp 88°F, Dew Point 62°F falling, 20 Cooling Degree Days, Cloud Base 5928′, RH 42% rising, Heat Index 88°F, BP 29.94 rising, sea level pressure 1012.7 mb rising, bats viewable until 11:51 pm under streetlights

Saturday August 23, 2025

Frio 1:12, Chiroptorium Bracken 1:14, OldTunnel SchertzClemens 410&IH35 1:22, Randolph TX28 SanPedro SALutheran Camden Seguin 1:30, NewBraunfels Fern 1:32, SanMarcos SMCenterpoint Wimberley 1:36, Stuart 1:38, Huber McNeil Loyola Crestwood&IH35 Congress(only ~31% of the colony braved the pop-up rave in the parking lot and flew 12 miles S ~43% of them went to altitude) Dittmar SMRB(Slayden) 1:42, Floresville D’Hanis 1:46, DavisBlowout Temple 1:48, Ney Rucker 1:50, SanAngelo 1:52, EagelPass 1:56, GrapeCreek 2:04,

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Sunday August 24, 2025

8:10 pm – 8:40 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 taken to the wing, so flights can be great nowadays, especially if a front moves through that stirs up insect activity.

Sunset: 8:02 pm
Dark: 8:32 pm (10-20 min). earlier if cloudy)
Sunrise: 7:03 am

Saturday August 23, 2025

Flight: 8:34 pm

31 mins after sunset (after dark) only ~31% of the colony braved the pop-up rave in the parking lot and flew 12 miles S (~43% of them went to altitude) on E Winds at 5 mph – had been NE 6-16 most of the afternoon with gusts to 23 mph around 3:30pm, Partly Cloudy, Temp 90°F, Dew Point 63°F falling, 18 Cooling Degree Days, Cloud Base 6156′, RH 41% rising, Heat Index 91°F, BP 29.93 rising, sea level pressure 1012.2 mb rising, bats viewable until 11:25 pm under streetlights

Friday August 22, 2025

Storms heading SW toward Temple NewBraunfels Junction Concan and DelRio, Bracken 1:10 on the edge of a storm, Frio 1:10, Randolph 1:22, OldTunnel TX28 410&IH35 SanPedro SALutheran Camden 1:28, Chiroptorium Ney 1:34, McNeil Congress(~50% of the colony rolled the dice on the storm dissipating to the E and flew 14 miles SSW ~38% of them went to altitude) 1:38, Dittmar Onion Wimberley SMRB(Slayden) 1:40, Huber Floresville 1:46, Stuart SanAngelo 1:50, DavisBlowout 1:52, D’Hanis Fern 1:54, GrapeCreek 1:56, FosterRd 1:58,

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Saturday August 23, 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 taken to the wing, so flights can be great nowadays, especially if a front moves through that stirs up insect activity (like last night).

Sunset: 8:04 pm
Dark: 8:34 pm (10-20 min). earlier if cloudy)
Sunrise: 7:03 am

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