under the influence of an active intertropical convergence zone, the season got off to one of its earliest starts on record, with a depression developing over the andaman sea during january 4. over the next couple of days the system moved westwards and made landfall on sri lanka, where it weakened into an area of low pressure. over the next few months the basin remained quiet, before the precursor cyclonic circulation to depression bob 02 developed during may 18. as the cyclonic circulation developed it helped the southwest monsoon, advance into the andaman sea and parts of the bay of bengal, before it developed into a depression during may 21. the depression was short lived and weakened into a remnant low, over the bay of bengal during may 23. the southwest monsoon was subsequently delayed by six days setting in over the indian state of kerala and eventually moved over the state during june 6. over the next few days the monsoon set in further over the bay of bengal, while it was enhanced over the arabian sea by the formation of cyclonic storm nanauk. by june 18, the monsoon covered most of the north indian ocean and parts of gujarat, konkan & goa, odisha, jharkhand, bihar and gangetic west bengal.