18th December...NEM fury

Kayalpattinam in Thoothukudi records 932 mm in 24 hrs. (This is more than their annual rainfall falling in a day). 

This is the highest ever rainfall recorded in plains ever in Tamil Nadu in 24 hrs & the 2nd highest rainfall after the Kakkachi (manjolai) 965 mm recorded in 1992.

Information from Pradeep John.