http://www.loc.gov/rr/scitech/mysteries/cricket.html estimate of the temperature http://www.loc.gov/rr/scitech/mysteries/cricket.html http://www.loc.gov/rr/scitech/mysteries/cricket.html crickets From the Library of Congress temperature Chirping crickets tell the temperature loc.gov calculate the temperature other things Library of Congress Everyday Mysteries http://www.loc.gov/rr/scitech/mysteries/cricket.html From the Library of Congress