Date: 10/17/2015

Number: 50

Large group (50+) roosting Monarch butterflies in live oak tree near the Windmill Spring in Seminole Canyon State Park - time: 9:00 a.m. October 18

Overnight low was around 62 degrees F. by 10 am it had only warmed to around 68 degrees. Wind was from SSE and was gusting to 15-20 mph.

Editor’s note: Observer confirms 10/17 is the night the roost formed.

Comstock Texas, TX

Latitude: 29.7 Longitude: -101.3

Observed by: S
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