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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 →
Monday, September 15, 2025
Sunday September 14, 2025
Granger radar still out of service, Frio 0:22, OldTunnel 0:26, […]
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Sunday, September 14, 2025
Saturday September 13, 2025
Flow from southeast, rain out west, Granger still offline, Chiroptorium […]
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Saturday, September 13, 2025
Friday September 12, 2025
Winds from the southeast, Granger stays offline, Stuart 0:12, OldTunnel […]
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Friday, September 12, 2025
Thursday September 11, 2025
Granger radar continues offline, outflow boundary from storms over Belville […]
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Friday, September 12, 2025
Wednesday September 10, 2025
Granger remains offline, Stuart 0:26, Bracken 0:42, OldTunnel Frio 0:48, […]
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Wednesday, September 10, 2025
Tuesday September 9, 2025
Granger radar still offline, Stuart 0:48, Bracken Frio 0:54, OldTunnel […]
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Tuesday, September 9, 2025
Monday September 8, 2025
Granger continues offline, Stuart 0:54, Frio 0:58, Bracken 1:02, OldTunnel […]
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Tuesday, September 9, 2025
Tuesday September 9, 2025
8:05 pm – 8:35 pm  when conditions allow, i.e. when the atmosphere is stable, no pressure drops, no…
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Tuesday, September 9, 2025
Monday September 8, 2025
Flight: 8:30 pm Scouts: 8:22 pm 46 mins after sunset (way after dark) only ~24% of the colony…
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Monday, September 8, 2025
Sunday September 7, 2025
Granger remains offline, scattered showers dissipating as they head E […]
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