May 12, 2021

12 May 2021 (13 May 2021 UTC) – times are also UTC (subtract 5:10 hours for CDT)
Cave bat numbers strong – insulated from chilly N winds prior to emergence, bridge bat flight numbers diminished – exposed to chilly wind, Bracken 0:06, Frio (541,420 – ~63k (12%) to altitude) 0:30, Ney 0:56, Stuart (543,654 – 229.4K (42%) to altitude) 1:06, McNeil 1:28, SanMarcos SMCenterpoint 1:32, Congress Dittmar Buda Wimberley 1:34, GrapeCreek FosterRd 1:50,
2021-05-13_UTC