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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, July 14, 2025
Sunday July 13, 2025
Flight: 8:46 pm 11 minutes after sunset (just before dark on a Mostly Cloudy evening) ~80% of the…
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Sunday, July 13, 2025
Saturday July 12, 2025
Storms over Killeen heading NE, Bracken 1:10, McNeil 1:30, SanMarcos […]
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Sunday, July 13, 2025
Tuesday July 15, 2025
8:40 pm – 9:10 pm  when conditions allow, i.e. when the atmosphere is stable, no pressure drops, no…
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Sunday, July 13, 2025
Saturday July 12, 2025
Flight: 8:50 pm 15 minutes after sunset (~10 mins before dark) ~12% of the colony flew 6 miles…
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Saturday, July 12, 2025
Friday July 11, 2025
Southerly flow – isolated storms heading N through SanAntonio produce […]
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Saturday, July 12, 2025
Saturday July 12, 2025
8:40 pm – 9:10 pm  when conditions allow, i.e. when the atmosphere is stable, no pressure drops, no…
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Saturday, July 12, 2025
Friday July 11, 2025
Flight: 8:56 pm 21 minutes after sunset (5 mins before dark) ~11% of the colony flew – some…
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Friday, July 11, 2025
Thursday July 10, 2025
Southerly flow across the region, Bracken 1:14, Chiroptorium 1:20, purple […]
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Friday, July 11, 2025
Thursday July 10, 2025
Flight: 8:52 pm 17 minutes after sunset (13 mins before dark) ~19% of the colony flew – some…
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Thursday, July 10, 2025
Wednesday July 9, 2025
Strong storms heading S across the Hill Country – a […]
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