Flight:  9:10 pm
Notes:

~43 minutes after sunset (after dark) ~32% of the colony flew 6 miles E (~37% flew to altitude) on NE Winds at 9 mph – had been southerly 6-10 mph most of the afternoon before swinging to the NE around 7pm, Temp 80°F, Dew Point 71°F falling, Visibility 10 miles, Mostly Cloudy, 13 Cooling Degree Days, Cloud Base 2052′, RH 74% rising, Heat Index 83°F, BP 29.94 rising, bats viewable until 9:43 pm under streetlights

Strong storm over MarbleFalls splits & dissipates devolving into showers as it reaches Austin, another storm over SanAngelo, Frio 1:30, Bracken SchertzClemens 1:48, Bracketville Stuart 1:50, SMCenterpoint NewBraunfels ICUCISD Camden 1:54, OldTunnel Chiroptorium SanMarcos TX28 410&IH35 Seguin 2:00, BalconesHeights EaglePass 2:06, DavisBlowout 2:10, Huber 2:14, Congress(~32% flew 6 miles E) NuecesRR SmythCrossing Fern 2:18, SanAngelo 2:26, GrapeCreek 2:30, FosterRd 2:32, McNeil 3:00,

9:00 pm – 9:30 pm
when conditions allow, i.e. when temps are >50°F, Dew Point >45°F, Heating Degree Days <9, atmosphere stable, no pressure drops, no strong wind, no rain in the area.
Chance of a good flight if conditions stable, but likely considerably after dark

Sunset: 8:27 pm
Dark: 8:57 pm (10-20 minutes earlier if cloudy)
Sunrise: 6:30 am 

Flight:  9:04 pm
2nd Flight: 9:46 pm

~37 (~42) minutes after sunset (after the storm passed & after dark) ~5% of the colony flew 6 miles NW on SE Winds at 15 mph – had been southerly 9-14 mph most of the afternoon with gusts to 20 mph around 1pm, Temp 86°F, Dew Point 73°F falling, Visibility 10 miles, A Few Clouds, 19 Cooling Degree Days, Cloud Base 2964′, RH 65% rising, Heat Index 93°F, BP 29.83 rising, 2nd flight at bats viewable until 10:39pm under streetlights

Six separate storm cells sweep east across the Hill Country, a big storm headed east of Austin while rainshowers popped up at Congress at flight time clearing around 1:36, Bracken 1:48, ICUCISD SchertzClemens 2:02, Congress~5% of the colony flew NW 4 miles ~1/2 hr after the storm) 2:12, McNeil Congress2(an additional ~5% of the colony flew 6 miles NW 1-1/2 hrs after the storm) 2:54, Stuart 3:08 after storm, other possible flights suppressed or readings confounded by by storms

9:00 pm – 9:30 pm
when conditions allow, i.e. when temps are >50°F, Dew Point >45°F, Heating Degree Days <9, atmosphere stable, no pressure drops, no strong wind, no rain in the area.
Chance of a good flight if conditions stable, but likely considerably after dark

Sunset: 8:27 pm
Dark: 8:57 pm (10-20 minutes earlier if cloudy)
Sunrise: 6:30 am 

Flight:  9:12 pm
Scouts: 9:06 pm

~46 min after sunset (after dark) ~30% of the colony flew, some went NNE, other SSE, others (36% of the total) flew SE to altitude into E Winds at 5 mph – had been easterly 3-7 mph all afternoon, Temp 83°F, Dew Point 72°F steady, Visibility 10 miles, A Few Clouds, 16 Cooling Degree Days, Cloud Base 2508′, RH 70% rising, Heat Index 88°F, BP 29.94 rising, bats viewable until 11:07 under streetlights

Rain over DelRio but stable in rest of the SBA, seabreeze front moving in to the I-35 corridor N of SanAnto, Frio 1:20, Bracken Camden 1:48, Stuart 1:56, Punkin Rucker 1:58, Chiroptorium ShertzClemens 2:02, OldTunnel Huber Randolph TX28 410&IH35 2:06, Dittmar 2:12, CongressScouts SmythCrossing 2:14, DavisBlowout 2:16, McNeil 2:18, Congress(~30% of the colony flew ~36% to altitude) Ney D’Hanis 2:20,

9:10 pm – 9:40 pm
when conditions allow, i.e. when temps are >50°F, Dew Point >45°F, Heating Degree Days <9, atmosphere stable, no pressure drops, no strong wind, no rain in the area.
Chance of a good flight if conditions stable, but likely considerably after dark

Sunset: 8:26 pm
Dark: 8:56 pm (10-20 minutes earlier if cloudy)
Sunrise: 6:30 am 

Flight:  No Flight
Scouts:

Flight Time Conditions: Winds E at 7 mph – had been NE 18-28 in early afternoon with gusts to 45 before calming toward dark, Temp 81°F, Dew Point 66°F steady, Visibility10 miles, Partly Cloudy, 15 Cooling Degree Days, Cloud Base 3420′, RH 61% rising, Heat Index 83°F, BP 29.97 rising