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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 →
Tuesday, August 26, 2025
Monday August 25, 2025
Flight: 8:22 pm 21 mins after sunset (~7 minutes before dark) ~43% of the colony flew – some…
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Monday, August 25, 2025
Sunday August 24, 2025
Isolated storm headed E toward Seguin early, Bracken 1:00, Frio […]
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Monday, August 25, 2025
Monday August 25, 2025
8:10 pm – 8:40 pm  when conditions allow, i.e. when the atmosphere is stable, no pressure drops, no strong…
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Monday, August 25, 2025
Sunday August 24, 2025
Flight: 8:28 pm 24 mins after sunset (about dark on a Partly Cloudy afternoon) ~932,300 flew – some…
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Sunday, August 24, 2025
Saturday August 23, 2025
Frio 1:12, Chiroptorium Bracken 1:14, OldTunnel SchertzClemens 410&IH35 1:22, Randolph […]
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Sunday, August 24, 2025
Sunday August 24, 2025
8:10 pm – 8:40 pm  when conditions allow, i.e. when the atmosphere is stable, no pressure drops, no strong…
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Sunday, August 24, 2025
Saturday August 23, 2025
Flight: 8:34 pm 31 mins after sunset (after dark) only ~31% of the colony braved the pop-up rave…
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Saturday, August 23, 2025
Friday August 22, 2025
Storms heading SW toward Temple NewBraunfels Junction Concan and DelRio, […]
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Saturday, August 23, 2025
Saturday August 23, 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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Saturday, August 23, 2025
Friday August 22, 2025
Flight: 8:30 pm 25 mins after sunset (after dark on an Partly Cloudy evening) ~50% of the colony…
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