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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 →
Saturday, June 28, 2025
Friday June 27, 2025
Flight: 8:56 pm Notes: ~20 minutes after sunset (ten minutes before dark), ~22% of the colony flew –…
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Friday, June 27, 2025
Thursday June 26, 2025
Widespread rain E of the I-35 corridor from SanAntonio to […]
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Friday, June 27, 2025
Friday June 27, 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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Friday, June 27, 2025
Thursday June 26, 2025
Flight: 8:56 pm Notes: ~20 minutes past sunset (about at dark on a Mostly Cloudy evening) only ~4%…
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Thursday, June 26, 2025
Wednesday June 25, 2025
Light Rain from Bastrop to JohnsonCity dissipating toward flight time, […]
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Thursday, June 26, 2025
Wednesday June 25, 2025
Flight: 8:54 pm Notes: ~18 minutes after sunset (just before dark) only ~3% of the colony flew 4…
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Wednesday, June 25, 2025
Tuesday June 24, 2025
Storm early in Austin then more from over Bastrop & […]
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Wednesday, June 25, 2025
Tuesday June 24, 2025
Flight: 8:54 pm Notes: ~18 minutes after sunset, ~16% of the colony flew 8 miles NE (29% of…
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Tuesday, June 24, 2025
Monday June 23, 2025
A repeat of outflow boundaries from storms over College Station […]
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Tuesday, June 24, 2025
Thursday June 26, 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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