July 18, 2011

The Old Farmer's Almanac 2011 Edition -- Estimate the Temperature from a Cricket's Chirp

The Old Farmer's Almanac 2011, which marks the publication's 219th anniversary, contains weather predictions for every day and climatic trends for each season, plus the science behind weather folklore. It also boasts "the most accurate astronomical data under the sun", with best-viewing recommendations for every month.

For instance, The Old Farmer's Almanac teaches nature's formula to estimate the temperature counting cricket chirps. The method:

To convert cricket chirps to degrees Fahrenheit, count number of chirps in 14 seconds then add 40 to get temperature. For example: 30 chirps + 40 = 70° F
To convert cricket chirps to degrees Celsius, count number of chirps in 25 seconds, divide by 3, then add 4 to get temperature. For example: 48 chirps / 3 + 4 = 20° C

or try this Cricket Chirp Calculator.

h/t Lifehacker

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Posted by Molly & Jessie at July 18, 2011 2:56 AM