The India Meteorology Department has said that the rainfall over Kerala during the southwest monsoon season 2018 (June 1 to August 19, 2018) has been exceptionally high.
Kerala has so far received 2346.6 mm rain against the normal of 1649.5 mm (above normal by 42%). The spatial distribution of district-wise seasonal rainfall indicates that the highest excess rainfall was recorded at Idukki district (92% above normal) followed by Palakkad (72% above normal).
The rainfall over Kerala during June, July and up to August 19 has been 15%, 18% and 164% above normal respectively. The rainfall over Kerala has been in general above normal throughout the season. Specially, there were two consecutive active spells with above normal rainfall peaking around June 14. Another peak rainfall activity was experienced around July 20.