Department of Meteorology;
COMSATS Institute of Information Technology;
Islamabad 44000;
Pakistan;
Pakistan Meteorological Department;
Islamabad 44000;
Pakistan;
State key Laboratory of Cloud-Precipitation Physics and SevereStorms;
Institute of Atmospheric Physics;
Chinese Academy of Sciences;
Beijing 100029;
China;
evapotranspiration; meteorological parameters; climatic zone; Penman Monteith method; Pakistan;