Odisha Climate Change Report reveals startling facts. Rainfall has been more erratic since the 1960s, with below-normal rainfall across all districts. The “normal” 120 days of monsoon rain has shrunk to 60–70 days.
by Sampad Mohapatra 
Monsoon variability
Indian Ocean disturbances significantly affect the state’s monsoon variability because various global circulation events have not in recent times. It had a strong influence on the state’s monsoon rainfall.
The state’s average annual rainfall from 1901 to 1950 was 1,503 millimeters. It is now 1,451 millimeters, with about 84 percent of rainfall received between June and September. The “normal” 120 days of monsoon rain has shrunk to 60–70 days, and unusual spikes in rainfall, with torrential rainfall of over 200–250 millimeters days.
Temperature
By 2100, the mean annual temperature globally is projected to increase by one to five degrees Celsius (24.5°C in 1970 to 28.5°C in 2080). The long-term projection up to 2100 for Odisha shows some disturbing pictures. Coastal Odisha will remain relatively less warm than the rest of the state,
even though it clearly breaches the 2°C barriers.
