pyet.meteo_utils.extraterrestrial_r#
- pyet.meteo_utils.extraterrestrial_r(tindex, lat)[source]#
Extraterrestrial daily radiation [MJ m-2 d-1].
- Parameters:
tindex (pandas.DatetimeIndex) –
lat (array_like) – the site latitude [rad].
- Return type:
array_like containing the calculated extraterrestrial radiation [MJ m-2 d-1]
Notes
Based on equation 21 in Allen et al. (1998).