The study area
The focus of the study will be on Khyber Pakhtunkhwa. The region is located in North West of western Khyber Pakhtunkhwa. It is bounded on the western side by Afghanistan. The province is 74,521 kilometer squares and has a population of 30.5 million people. The region has high level of variations in terms of elevation. The region experiences arid and semi-arid conditions often. As a result, many of the locations in this area are susceptible to drought. Most of Khyber Pakhtunkhwa falls in the arid and semi-arid region8. While annual rainfall is as low as 450mm per year in some regions, other regions in Khyber receives up to 1500mm per year. The rainfall recordings in various meteorological stations in Khyber Pakhtunkhwa are summarized below9