A Cricket Thermometer

How can a mating ritual tell you the temperature?  Ask a cricket!

The timing of cricket chirps can tell you the outside temperature, and they are fairly accurate until it’s below around 55 degrees (crickets aren’t really active when it’s that cold).

For the temperature in Fahrenheit, count the number of chirps in 14 seconds and add 40.  For Celsius, count the number of chirps in 25 seconds, divide by three, then add four. Male crickets are the ones chirping, as they are trying to lure females.  Crickets chirp faster the warmer it is, but there’s no word on whether the ladies care what temperature it is!

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