TNAU's Monsoon Predication

According to the prediction, the above normal rainfall (more than 110 per cent of the long-term mean seasonal rain) is expected at Mettur in Salem district and Ambasamudram in Tirunelveli district. Normal rainfall (90-110 per cent of the long-term mean rain) is expected in Thiruvallur, Chennai, Kancheepuram, Vellore, Tiruvannamalai, Dharmapuri, Villuppuram, Cuddalore, Perambalur, Salem, Namakkal, Erode, Coimbatore, Tirupur, Karur, Madurai, Dindigul, Tiruchi, Thanjavur, Nagapattinam, Sivaganga, Ramanathapuram, Virudhunagar, Tirunelveli, Kanyakumari and Pudukottai.
There will be near normal to normal rain (10-100 per cent) is expected at Gudalur in the Nilgiris, Nagercoil in Kanyakumari, Chathirapatti in Madurai, the Vaigai dam in Theni, Palladam in Coimbatore and Tuticorin and Krishnagiri districts. In hill areas such as Udhagamandalam, Yercaud and Kodaikkanal, normal rainfall is expected.