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Crickets like it warm. And the warmer it gets, the faster they chirp. A gentleman by the name of Amos Dolbear noticed this fact back in 1898. He came up with a cricket chirping temperature formula, which is know as Dolbears Law. The equation is as follows: T = 50 + (N - 40) / 4, where T = temperature in degrees Fahrenheit and N = number of chirps per minute.

If that seems like too much work to figure out, there’s an simplified version that goes like this: temperature = number of chirps in 13 seconds + 40. So, next time you’re out in the great outdoors, give it a try! For more information about crickets and Mr. Dolbear's study, visit Survival Topics.

Black Field Cricket pic courtesy of bentler.us.

• survival
• crickets
• temperature