The Potato NPT Trials Amidst Prolonged Rains in Kenyan Regions took place in April of 2009 in various locations including Kibirichia, Kisima, Molo, Naraok, Oljoro, Tigoni, Baraka, and Limuru. The study was conducted under a randomized complete block design (RCBD) with eight potato clones and four replications, aiming to assess the performance of these clones in challenging weather conditions characterized by extended periods of rainfall.