Date: 09/07/2025

Number: 1

1857 Hours
1 monarch in a common hackberry (Celtis occidentalis), 3 meters above ground on south side of the tree.

61 degrees F (16.11 C). Partly sunny, but sun starting to set. Lot of shadows. Wind 4 mph with gusts up to 8 mph from the northwest. RH 63%, Dew Point 48. Sunset scheduled for 1914.

Adjacent to Henslow Trail, near Iron Bridge Trailhead, Iron Bridge Prairie Restoration, Midewin National Tallgrass Prairie (U.S. Forest Service).

Wilmington, IL

Latitude: 41.4 Longitude: -88.1

Observed by: Mike
Contact Observer

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