Biology

Crickets Chirping Thermometer

Estimate temperature from cricket chirps (Dolbear's law).

Calculated Output

Temperature (°F) 70

Temperature (°C) 21.111

Formula: °F = chirps in 14 s + 40

Step-by-Step Breakdown

1. Values used:

2. Chirps in 14 seconds = 30

4. Temperature = 70°F

5. Temperature = 21.111°C

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The math behind it

Dolbear's law: temperature in °F ≈ number of chirps in 14 seconds + 40.

30 chirps in 14 s → ~70 °F (21 °C).

Which cricket?

The snowy tree cricket follows this most closely.