![Male fall field cricket (photo from Wikimedia Commons)](https://www.birdsoutsidemywindow.org/wp-content/uploads/2017/08/insects_gryllus_pennsylvanicus_male_rsz_wiki.jpg)
On Throw Back Thursday:
There’s a Rule of Thumb that says you can tell the temperature –in Fahrenheit! — by listening to a cricket’s chirp.
Here’s how: Read about the Thermometer
(photo of a fall field cricket (Gryllus pennsylvanicus) from Wikimedia Commons; click on the image to see the original)