Calculate sun altitude for given latitude, day and time
     
    
    Usage
    sunaltitude(latitude, dayofyear, hour)
 
     
    
    Arguments
- latitude
 
Latitude of location
 
- dayofyear
 
Julian day of year
 
- hour
 
Time of day (hours from midnight)
 
 
    
    Value
    Sunaltitude in degrees
     
    
    Examples
    sunaltitude(-43,20,15)
#> [1] 46.30008