One of the (at least ten) Monarch Caterpillars we found during the afternoon "Marvelous Monarchs" program at Bald Eagle State Park, PA, on Friday, August 22, 2025.

During the time we were there (~2:00 to 3:30 PM) the air temperature rose from 74°F to 78°F, the dew point was about 53°F, the humidity dropped from about 47% to 40%, a light breeze of about 6 mph was blowing from the SW under partly cloudy skies, and the air pressure was about 28.71 inches and slowly dropping.

  Latitude:       41.03°N
  Longitude:    77.64°W

         - Tim