🧵 The slumbering #cicadas emerge when the average soil temperature is 64°F / 17.8°C. Average air temperatures in #Elmhurst #Illinois for this past week were:

55°F / 12.8°C Max
44.89°F / 7.16°C Avg
41°F / 5°C Min

In the past, the 17-year brood has usually emerged in late May or June.

So yes, this is early.

https://www.chicagobotanic.org/plantinfo/periodical_cicada_17_year

https://www.wunderground.com/history/daily/us/il/elmhurst/yesterday

#Cicadas #Cicadas2024 #Cicadadon #BroodXIX #Cicadapocalypse #BroodXIII #Bugstodon #Insectodon #Insectsmews #ClimateChange #EarthDay