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Bat Flight History

Flight Prediction Archive

Every evening's bat flight prediction at Congress Avenue Bridge, documented by Austin Bat Refuge staff.

All Posts

Tonight's Prediction →
Wednesday, July 30, 2025
Wednesday July 30, 2025
8:30 pm – 9:00 pm  when conditions allow, i.e. when the atmosphere is stable, no pressure drops, no strong…
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Wednesday, July 30, 2025
Tuesday July 29, 2025
Flight: 8:40 pm -13 minutes after sunset (17 mins before dark ) ~28% of the colony flew 14…
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Tuesday, July 29, 2025
Monday July 28, 2025
Chiroptorium 0:34, Bracken 1:04, Frio 1:16, SALutheran 1:24, SCUCISD 1:26, […]
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Tuesday, July 29, 2025
Monday July 28, 2025
Flight: 8:46 pm Scouts: 8:42 pm -17 minutes after sunset (13 mins before dark ) only ~11% of…
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Monday, July 28, 2025
Sunday July 27, 2025
Outflow boundaries heading W through SanAngelo and DelRio, another heading […]
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Monday, July 28, 2025
Tuesday July 29, 2025
8:30 pm – 9:00 pm  when conditions allow, i.e. when the atmosphere is stable, no pressure drops, no strong…
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Monday, July 28, 2025
Sunday July 27, 2025
Flight: 8:36 pm -8 minutes after sunset (wells before dark ) only ~10% of the colony flew 8…
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Sunday, July 27, 2025
Saturday July 26, 2025
Storms in a band from ElDorado to EaglePass heading W […]
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Sunday, July 27, 2025
Saturday July 26, 2025
Flight: 8:44 pm Scouts: 8:40 pm -15 minutes after sunset (10 mins before dark ) ~32% of the…
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Saturday, July 26, 2025
Friday July 25, 2025
Big storms over Houston, dissipating as they move E toward […]
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