India Meteorological Department (IMD) was established in 1875. IMD provides National Meteorological Service to the country and is the principal government agency in all matters relating to Meteorology, Seismology and allied subjects. For administrative control and technical operations, six Regional Meteorological Centres (RMCs) function with their headquarters at Kolkata, Chennai, Guwahati, Mumbai, Nagpur and New Delhi.
State Meteorological Centre at GANGTOK, SIKKIM is responsible for the weather related activities of the four regions: East, West, North and South Sikkim.
Normal-Observed Graphical representation for 40th standard week
Observation Starts on:26/09/2015
Observation Ends on : 02/10/2015