Agriculture & Environmental
Evapotranspiration (Hargreaves)
ET0 = 0.0023·Ra·(T+17.8)·√ΔT
The Hargreaves estimate of reference evapotranspiration rises with mean air temperature, using only temperature and extraterrestrial radiation to predict how fast a well-watered crop loses water to the atmosphere.
Computed & rendered in pure C# on the frozen OnlyCSharp 1.8 library — animation baked to GIF with the library's own
Gif encoder (no GPU, no ffmpeg, no external packages).