Date: 09/01/2015
Number: 25
Noticed Monarchs flying and roosting in trees in backyard last night around 7pm, Sept 1 2015. Overnight temp: guessing between 50 and 60 F. The trees they were roosting on are fairly well sheltered from the wind. Box elder trees with a hill to the east. They were on the side facing the hill.
Update 9/4/2015. Checked at 7pm and the Monarchs were beginning to roost. Counted around 30. Temperature at that time 85 F.
Mayer, MN
Latitude: 44.9 Longitude: -93.9
Observed by: Shirley
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