r.sunhours
Calculates solar elevation, solar azimuth, and sun hours.
Raster (r.*)
ParameterNumber|year|Year|1950|2050|2016|False
ParameterNumber|month|Month|1|12|1|True
ParameterNumber|day|Day|1|31|1|False
ParameterNumber|hour|Hour|0|24|12|True
ParameterNumber|minute|Minutes|0|60|0|True
ParameterNumber|second|Seconds|0|60|0|True
ParameterString|percentile|Percentile to calculate (comma separated list if multiple) (requires extended statistics flag)|None|False|True
ParameterString|separator|Field separator. Special characters: pipe, comma, space, tab, newline|None|False|True
*ParameterBoolean|-t|Time is local sidereal time, not Greenwich standard time|False
*ParameterBoolean|-s|Do not use SOLPOS algorithm of NREL|False
OutputRaster|elevation|Solar Elevation Angle
OutputRaster|azimuth|Solar Azimuth Angle
OutputRaster|sunhour|Sunshine Hours