Preliminary Rainfall in and around Chennai Region on 20.06.2017 (in mm).
- Kadambathur (Near Tiruvallur) - 67
 - Thirukalukundram (Near Mahabs) - 49
 - Thiruporur (Near Kovalam) - 46
 - St.Thomas Mount - 45
 - Chithamur (Near Uthiramerur) - 42
 - Anna University - 41
 - Meenambakkam - 40
 - Tiruvalangadu (Near Tiruvallur) - 38
 - Uthukottai - 37
 - Tharamani - 36
 - Chembarabakkam Lake - 36
 - Katupakkam (Near SRM University) - 34
 - Kattankolathur (Near Maraimalai Nagar) - 33
 - Arakkonam - 33
 - Tiruvallur - 32
 - Hindustan University - 31
 - Puzhal - 25
 - Kolapakkam (Near Airport) - 26
 - Redhills Lake - 25
 - Poondi Lake - 23
 - Sathyabama University - 23
 - Madhavaram - 18
 - Cholavaram - 17
 - Palavedu (Near Avadi) - 17
 - Avadi - 15
 - Ennore - 15
 - Tamaraipakkam - 14
 - Poonamalle - 14
 - Korattur Anaicut - 13
 - Minjur - 8
 - Nungambakkam - 8
 
Yesterday Delta belt and Chennai belt saw storms lining upto 200 of kms in length
Courtesy: Tamil Nadu Weatherman