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Monday June 23, 2025

Flight: 8:54 pm

Notes: ~18 mins after sunset, ~14% of the colony flew – some went 6 miles W while most went 6 miles NE – 13% of those went to altitude) on S Winds at 15 mph – had been southerly 9-16 mph all afternoon with gusts to 28 mph around 6:30 pm, Visibility 10 miles, A Few Clouds, 22 Heating Degree Days, Cloud Base 3876′, Temp 88°F, Dew Point 71°F rising, RH 57% rising, Heat Index 94°F, BP 30.05 rising, sea level 1016.3mb rising, bats viewable until 9:55 pm under streetlights

Sunday June 22, 2025

Spotty storms streaming up from the SSE, outflow boundaries from storms over College Station arrive at i-35 corridor around flight time, Bracken 0:34, Chiroptorium 0:36, DavisBlowout 0:56, Rucker 0:58, Frio 1:04, McNeil 1:30, Wimberley Kyle SanMarcos SMCenterpoint NewBraunfels SCUCISD SchertzClemens TX28 410&IH35 SanPedro BlaconesHeights SALutheran 1:54, Stuart SanAngelo 1:58, Lockhart 2:02, FosterRd GrapeCreek 2:04, Temple Huber WellsBranch NLamar Crestwood&IH35 Congress(~12% of the colony flew – some went 6 miles W while most went 6 miles NE – 10% of the total went to altitude) 2:06, OCFisher 2:08, D’Hanis 2:12, EaglePass 2:26, JamesRiver 2:34,

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Sunday June 22, 2025

Flight: 8:58 pm

Notes: 22 minutes after sunset ~12% of the colony flew – some went 6 miles W while most went 6 miles NE on SE Winds at 10 mph – had been southerly 14-20 mph all afternoon with gusts to 29 mph around 2:30pm, Visibility 10 miles, A Few Clouds, Temp 87°F, Dew Point 71°F rising, 20 Cooling Degree Days, Cloud Base 3628′, RH 59% steady, Heat Index 93°F, BP 30.01 rising, sea level 1014.8mb rising, bats viewable until 10:01 pm under streetlights

Saturday June 21, 2025

Storms streaming N over SanAntonio and Uvalde,Rucker 0:50, Bracken 0:54, McNeil 1:30, SAmMarcos 1:42, Seguin 1:50, SanPedro SALuthuran 1:52, Stuart 1:54, SanMarcos SMRB((Slayden) 1:56, Huber Taylor WellsBranch NLamar Crestwood&IH35 Congress(only ~88.9k flew – some went 6 miles W while most went 6 miles NNE – 7% of the total went to altitude) Lockhart SanAngelo 2:06, Temple 2:12, OCFisher GrapeCreek 2:14, FosterRd 2:16, JamesRiver 2:24,

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Saturday June 21, 2025

Flight: 8:58 pm

Notes: ~23 minutes after sunset (7 mins before dark) only ~88.9k flew – some went 6 miles W while most went 6 miles NNE (~7% of the total went to altitude) on S Winds at 9 mph – had been S 17-21 mph all afternoon with gusts to 31 mph around 5:30pm, Visibility 10 miles, A Few Clouds, Temp 85°F, Dew Point 70°F steady, 21 Cooling Degree Days, Cloud Base 3420′, RH 61% rising, Heat Index 89°F, BP 29.96 rising, sea level 1013.3mb rising, bats viewable until 9:57 pm under streetlights

Friday June 20, 2025

DavisBlowout 0:40, Rucker 0:46, Chiroptorium 0:50, Bracken 0:54, Frio 1:20, McNeil 1:42, SanMarcos SMCenterpoint Stuart 1:54, SCUCISD SchertzClemens TX28 410&IHJ35 1:56, WellsBranch SanPedro SALutheran 2:00, Congress(~15% of the colony flew – some went 6 miles WNW while most headed 8 miles NE – only ~6% of the those flew to altitude) 2:04, Huber NLamar Crestwood&IH35 2:06, SanAngelo 2:10, Lockhart SMRB(Slayden) FosterRd 2:12, Vanderpool 2:14, SanAngelo2 GrapeCreek 2:16, D’Hanis EaglePass Fern 2:22, JamesRiver Ney OCFisher 2:24,

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Monday June 23, 2025

8:40 pm – 9:10 pm

when conditions allow, i.e. when the atmosphere is stable, no pressure drops, no strong wind or rain in the area, If conditions look good (low or no wind), get there early!
The Congress bats are giving birth these days (average date of birth is June 10th) so flights will be diminished, unless a north front moves through that stirs up insect activity.

Sunset: 8:36 pm
Dark: 9:06 pm (10-20 min). earlier if cloudy)
Sunrise: 6:30 am

Friday June 20, 2025

Flight: 8:52 pm 

Notes: ~17 minutes past sunset (well before dark) ~24% of the colony flew 10 miles ENE (49% of those flew to altitude) on SE Winds at 13 mph – had been S 9-15 mph all afternoon with gusts to 22 mph around 2:30pm, A Few Clouds, Temp 88°F, Dew Point 74°F steady, 22 Cooling Degree Days, Cloud Base 3192′, RH 63% rising, Heat Index 97°F, BP 30.01 rising, sea level 1015.0mb rising, bats viewable until 10:23 pm under streetlights

Thursday June 19, 2025

Outflow boundary early heading N from storms over CarrizoSprings, Rucker 0:38, DavisBlowout 0:52, Bracken 0:58, Chiroptorium Frio 1:12, Stuart 1:40 as outflow boundary approaches, McNeil 1:38, JamesRiver 1:46, Huber Wimberley SanMarcos SMCenterpoint NewBraunfels Seguin 1:58, WellsBranch Taylor Congress(~24% of the colony flew 10 miles ENE – 49% of those flew to altitude) 2:00, OldTunnel NLamar Crestwood&IH35 Lockhart 2:04, Loyola Vanderpool Fern 2:06, FosterRd SanAngelo 2:10, EaglePass OCFisher 2:14, GrapeCreek 2:22,

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Thursday June 19, 2025

Flight: 8:52 pm 

Notes: ~17 minutes past sunset (well before dark) ~24% of the colony flew 10 miles ENE (49% of those flew to altitude) on SE Winds at 13 mph – had been S 9-15 mph all afternoon with gusts to 22 mph around 2:30pm, A Few Clouds, Temp 88°F, Dew Point 74°F steady, 22 Cooling Degree Days, Cloud Base 3192′, RH 63% rising, Heat Index 97°F, BP 30.01 rising, sea level 1015.0mb rising, bats viewable until 10:23 pm under streetlights

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