In the year 2014, the onset date forecast was June 6 but the monsoon arrived a day earlier on June 5. In 2015 the onset prediction was June 5 but the rains broke over Kerala on May 30. In 2016, the onset forecast was June 8 but the monsoon began on June 7. In 2017, it arrived on May 30 as predicted. In 2018, also IMD correctly predicted the monsoon arrival on May 29.