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

timeOfSunrise <-
  function(lat,i) {
    sr <- 12 - dayLength(lat,i)/2
    if (dayLength(lat,i) == 0 ) sr <- NA
    sr
  }

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sirad documentation built on May 2, 2019, 4:41 p.m.

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