Rainfall decreases across major river basins – Irrigation Dpt.

Rainfall declined yesterday (16th) in areas around the Kalu, Kelani, and Attanagalu Oya basins, according to the Department of Irrigation. The update notes a decrease across major river basins. Source: AdaDerana RSS, May 17, 2026. source http://www.adaderana.lk/news.php?nid=122598