What is in news : According to data from KSNDMC, between October 1 and 13, as many as 16 districts had rainfall in ‘large excess’, which means 60% and above rainfall.

Details :

• Many districts have recorded over 100% more rainfall than normal. These included Chickballapur(191%) , Davangere (184%), Tumakuru (165%), Chitradurga (157%), Bengaluru Rural (147%), Kolar (119%), Chikkamagaluru (118%), Dakshina Kannada (115%), and Kodagu (103%).
• Udupi, Shivamogga, Bengaluru Urban, Mandya, Haveri, Mysuru and Ramanagara had departures of 92% to 70%.
• Five districts had excess rainfall: Uttara Kannada, Chamarajanagar, Hassan, Belagavi, and Vijayanagar, while six had normal rainfall. Four districts, Vijayapura, Bagalkot, Bidar and Ballari, had deficient rainfall.
• Looking at the actual southwest monsoon period — July to September — all regions had normal rainfall, though Malnad had a –18% departure from normal, Coastal Karnataka had a –13% departure, and the State overall had –8% departure; +19% or –19% departure is considered to be normal.

Rainfall in Karnataka :

• The average annual rainfall in Karnataka is 1248 mm.
• The state is divided into three meteorological zones viz. North Interior Karnataka, South Interior Karnataka and Coastal Karnataka.
• Coastal Karnataka with an average annual rainfall of 3456 mm is one of the most rainy regions in the country. Contrasting this, the region of South Interior Karnataka and North Interior Karnataka receive only 1286 and 731 mm of average annual rainfall.
• The average annual rainfall in the districts of Karnataka varies from 562 mm in the Bagalkot district to 4119 mm in the Udupi District. Bagalkot, Chitradurga and Koppal are the districts which receive the least rainfall whereas Udupi, Dakshina Kannada, Uttara Kannada, Hassan, Kodagu, Chickmagalur and Shivamogga districts receive the heaviest rainfall.