In a span of 24 hours from, 8.30 am on Thursday, Chennai has received a whopping 78.1 mm of rain, taking the total rainfall amount in the city to 329.6 mm, which is more than the October average of 286.4 mm. Other places in Tamil Nadu to have received rain are Dharmapuri 19 mm, Coonoor 18.6 mm, Salem 16 mm, Kodaikanal 11 mm and Pamban 8.2 mm.
Rainfall in Kerala has also been light to moderate with Kottayam receiving 29.8 mm of rain, Kozhikode 27.9 mm, Thiruvananthapuram 13.4 mm, Kochi 9.4 mm and Alapuzha 5.9 mm of rain.
Neighbouring Karnataka too received some good rain with Mangalore recording 68.6 mm of heavy rain on Thursday. Agumbe observed 19.8 mm of rain, Karwar 16.4 mm and Bangalore 8 mm of rain.
In view of this rainfall temperatures are below normal by 2-4 degrees at many places in Tamil Nadu. Chennai recorded 29.7°C as the maximum temperature on Thursday, which is one degree below normal. Kodaikanal saw the maximum settle at 15.3°C, which is 2 degrees below normal. In Vellore and Coimbatore the maximums settled at 29.0°C and 30.2°C, which is about 2 degrees below normal.
Meanwhile, this trend of rainfall in South India is expected to continue for some more days as the Northeast Monsoon is likely to remain active.