R/daylightTimeFactor.R
In sirad: Functions for Calculating Daily Solar Radiation and Evapotranspiration

daylightTimeFactor <-
  function(lat,i) {
    ws <- acos(-tan(lat)*tan(solarDecl(i)))
    ws
  }

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sirad documentation built on May 1, 2019, 7:42 p.m.

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