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You might want to use Fourier analysis instead. I did this project but with temperature : https://searke.github.io/2017/01/08/TemperatureGraph.html https://sea

by searke 2y ago

You might want to use Fourier analysis instead. I did this project but with temperature : https://searke.github.io/2017/01/08/TemperatureGraph.html https://searke.github.io/2017/01/08/TemperatureGraph.html Also, coincidentally enough, for Chicago using Wolfram Language. Great minds think alike I guess.

phkahler 2y ago
>> You might want to use Fourier analysis instead. Yep. There error plot clearly shows a 3rd harmonic dominating. IIRC the length of day is constant at the equator and the light/time function is a distorted sinewave as you go north or south from there. I am curious about the slope within a day. It seem to "get dark quickly" these day vs July.
url00 2y ago
What a great title! Sending warmth to you this winter from Wisconsin.
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