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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 →
Friday, August 29, 2025
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…
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Friday, August 29, 2025
Thursday August 28, 2025
Flight: 8:08 pm Scouts: 8:04 pm 10 mins after sunset (~20 minutes before dark) ~40% of the colony…
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Thursday, August 28, 2025
Wednesday August 27, 2025
Storms moving N stretching from SanAntonion to SanAngelo, storm dissipating […]
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Thursday, August 28, 2025
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…
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Thursday, August 28, 2025
Wednesday August 27, 2025
Flight: 8:12 pm 13 mins after sunset (~17 minutes before dark) ~46% of the colony flew – some…
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Wednesday, August 27, 2025
Tuesday August 26, 2025
Storms from BayCity to Austin and from Hondo to Laredo […]
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Wednesday, August 27, 2025
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…
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Wednesday, August 27, 2025
Tuesday August 26, 2025
Flight: 8:12 pm 12 mins after sunset (~8 minutes before dark on an Overcast evening) ~30% of the…
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Tuesday, August 26, 2025
Monday August 25, 2025
Bracken 0:34, Frio 0:48, OldTunnel Chiroptorium 1:10, SCUCISD TX28 410&IH35 […]
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Tuesday, August 26, 2025
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…
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