The onset of Southwest monsoon this year was a tad bit early on May 28. However, officially, Monsoon rains are only counted June 1 onward.
Since the beginning of Monsoon, rains have been good for most parts. The pace of advancement of Southwest Monsoon has also been good for the southern parts as well as even the central and Eastern parts.
Monsoon reached Mumbai a day prior to the stipulated date and has until now covered the states of Maharashtra, a few areas of Chhattisgarh, Odisha as well as West Bengal.
The rainiest pocket during these last 12 days have been in the West Coast including the states of Kerala coastal Karnataka as well as Konkan and Goa.