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Wednesday August 6, 2025

Frio 1:00 Bracken 1:08, Chiroptorium 1:16, SanPedro 1:22, OldTunnel SALutheran 1:28, SCUCISD 1:30, SchertzClemens TX28 410&IH35 1:34, SMCenterpoint NewBraunfels 1:38, SanMarcos 1:42, BeeCavePark Crestwood&IH35, 1:44, CongressScouts Wimberley Seguin 1:46, Lockhart 1:48, WellsBranch NLamar Loyola Congress(only ~16% of the colony flew 14 miles SSW ~24% of those climbed to altitude) Dittmar SMRB(Slayden) Ney 1:52, Huber Rucker 1:58, SanAngelo 2:02, Castroville D’Hanis US277&TX55 Fern 2:04, DavisBlowout 2:06, FosterRd GrapeCreek 2:08, JamesRiver 2:22,

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Wednesday August 6, 2025

Flight: 8:44 pm
Scouts: 8:38 pm

-21 minutes after sunset (about at dark with the hazy sky) only ~16% of the colony flew 14 miles SSW (~24% of those climbed to altitude) on SE Winds at 13 mph  – had been easterly 5-10 mph most of the afternoon gusting to 21 mph around 3:30pm , A Few Clouds, Temp 91°F, Dew Point 70°F rising, 21 Cooling Degree Days, Cloud Base 4788, RH 50% rising, Heat Index 97°F, BP 30.08 rising, sea level pressure 1017.3 mb rising, bats viewable until 10:33 pm under streetlights

Tuesday August 5, 2025

Outflow boundary approaching the I-35 corridor from Gonzales to Smithville at flight time, Bracken Frio 1:04, Chiroptorium 1:22, SCUCISD 1:28, Randolph TX28 410&IH35 SanPedro SALutheran 1:30, OldTunnel 1:34, McNeil SMCenterpoint SchertzClemens 1:38, D’Hanis 1:44, CongressScouts SanMarcos 1:50, WellsBranch Crestwood&IH35 Congress(~37% of the colony flew 14 miles SSW ~27% of those climbed to altitude) 1:52, Ney 1:54,DavisBlowout Loyola Dittmar SMRB(Slayden) 1:58, JamesRiver Rucker 2:04, SmythCrossing US277&TX55 2:06, Huber EaglePass Fern 2:12, SanAngelo 2:16, GrapeCreek 2:18, FosterRd 2:24,

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Tuesday August 5, 2025

Flight: 8:44 pm

-22 minutes after sunset (8 mins before dark) ~37% of the colony flew 14 miles SSW (~27% of those climbed to altitude) on E Winds at 7 mph  – had been easterly 7-12 mph with gusts to 20 mph around 6:30pm , A Few Clouds, Temp 89°F, Dew Point 68°F rising, 18 Cooling Degree Days, Cloud Base 4788, RH 50% rising, Heat Index 93°F, BP 30.06 rising, sea level pressure 1016.8 mb rising, bats viewable until 11:19 pm under streetlights

Monday August 4, 2025

Bracken 0:56, Frio 1:18, Chiroptorium Randolph SanPedro 1:24, SMCenterpoint SALutheran 1:30, SanMarcos Seguin 1:34, McNeil 1;36, OldTunnel Wimberley SanMarcos 1:38, Dittmar 1:42, Congress(a whopping ~79% of the colony flew 14 miles SSW ~18% of those climbed to altitude) 1:44, Lockhart D’Hanis Ney 1:52, SMRB(Slayden) 1:52, DavisBlowout 2:04, JamesRiver 2:10, Huber Vanderpool Rucker SanAngelo FosterRd 2:12, Webb 2:16, GrapeCreek 2:18, Stuart Fern US277&TX55 2:20,

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Thursday August 7, 2025

8:25 pm – 8:55 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 bats have weaned their pups, so flights can be great nowadays, especially if a front moves through that stirs up insect activity.

Sunset: 8:19 pm
Dark: 8:49 pm (10-20 min). earlier if cloudy)
Sunrise: 6:53 am

Monday August 4, 2025

Flight: 8:36 pm

-13 minutes after sunset (7 mins before dark on a Mostly Cloudy evening) a whopping ~79% of the colony flew 14 miles SSW (~18% of those climbed to altitude) on E Winds at 5 mph  – had been easterly 3-8 mph most of the afternoon after gusting to 25 mph around noon , Mostly Cloudy, Temp 84°F, Dew Point 68°F steady, 18 Cooling Degree Days, Cloud Base 3648, RH 59% rising, Heat Index 87°F, BP 29.98 rising, sea level pressure 1014.0 mb rising, bats viewable until 9:29 pm under streetlights

Sunday August 3, 2025

Seabreeze from Luling to Floresville heading NW at flight time, Bracken 0:56, Frio 1:16, Chiroptorium 410&IH35 SanPedro 1:30, SanMarcos SMCenterpoint 1:34, McNeil SALutheran Seguin 1:38, OldTunnel WellsBranch Crestwood&IH35 Congress(only ~26% of the colony flew 12 miles SSW ~23% of those climbed to altitude) Dittmar Wimberley Lockhart 1:44, SMRB(SLayden) 1:52, D’Hanis 1:58, Ney 2:02, JamesRiver 2:08, Fern 2:12, SanAngelo FosterRd GrapeCreek 2:16, US277&TX 2:18, Stuart Rucker 2:22,

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Sunday August 3, 2025

Flight: 8:36 pm

-13 minutes after sunset (17mins before dark) only ~26% of the colony flew 12 miles SSW (~23% of those climbed to altitude) Winds Variable  – had been Light & Variable all afternoon , A Few Clouds, Temp 91°F, Dew Point 68°F steady, 20 Cooling Degree Days, Cloud Base 5244, RH 47% rising, Heat Index 95°F, BP 29.88 steady, sea level pressure 1010.5 mb rising, bats viewable until 9:47 pm under streetlights

Saturday August 2, 2025

Storms sweeping S across the Hill Country, outflow boundary moving E through Austin around 22:14, Frio 0:50 as oncoming storm dissipates, McNeil 1:12, Chiroptorium 1:26, McNeil2 SMCenterpoint D’Hanis 1:30, Congress(~63% of the colony flew 14 miles SE ~27% of those climbed to altitude) 1:34, OldTunnel WellsBranch Crestwood&IH35 Loyola Dittmar Kyle 1:38, Wimberley SMRB(Slayden) 1:44, DavisBlowout Lockhart 1:48, Congress2 Rucker 2:04, Fern 2:16, other flights suppressed or readings confounded by storms

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