dayLength {weaana} | R Documentation |
The time elapsed in hours between the specified sun angle from 90 degree in am and pm. +ve above the horizon, -ve below the horizon.
Description
The time elapsed in hours between the specified sun angle from 90 degree in am and pm. +ve above the horizon, -ve below the horizon.
Usage
dayLength(doy, lat, angle = -6)
Arguments
doy |
day of year number |
lat |
latitude of site (deg) |
angle |
angle to measure time between, such as twilight (deg). angular distance between 90 deg and end of twilight - altitude of sun. +ve up, -ve down. |
Value
day length in hours
[Package weaana version 0.1.1 Index]