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| Last Updated::05/12/2014

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CLIMATE UPDATION - January-March, 2013

 The average global temperature in 2012 was about 14.6 0C, which is 0.6 0C warmer than the mid-20th century baseline. It has risen about 0.8 0C since 1880, according to the new analysis, done by National Aeronautics & Space Administration (NASA) . The year 2012 was the 10th warmest year since records began in 1880. The annually-averaged temperature across global land and ocean surfaces was 0.57°C above the 20th century average. The global temperature across land and ocean surfaces during January–March, 2013 was the 8th warmest on record, at 0.58°C above the 20th century average. The global combined land and ocean annually-averaged temperature rank for each years  are 2010, 2005,1998, 2003, 2002, 2006, 2009, 2007, 2004 and 2012 respectively. Over the course of 2012, the average monthly land temperature anomaly ranged from +0.22°C (December) to +1.39°C (April), a difference of 1.17°C.

The dataset of land surface temperature variation observed during 1st quarter of 1954-2013 (January – March) in Manipur state shows an increasing trend in both the minimum and maximum temperature. When the maximum temperature  increased upto 1.50C (approximately), the corresponding minimum temperature has also increased upto 20C (approximately). Moreover, the Indian Network for Climate Change Assessment (INCCA) report has already projected to experience an increase in temperature above 1.70C in Manipur state by 2030s.

The increasing trends in mean maximum temperature were significant over Andaman and Nicobar, Andhra Pradesh, Arunachal Pradesh, Assam, Goa, Gujarat, Himachal Pradesh, Jharkhand, Karnataka, Kerala, Lakshadweep, Madhya Pradesh, Maharashtra, Manipur, Mizoram, Orissa, Rajasthan, Sikkim, Tamil Nadu and Uttarakhand. The highest increase in annual mean maximum temperatures was observed over Himachal Pradesh (+0.06 0C/year) followed by Goa (+0.04 0C /year), Manipur, Mizoram and Tamil Nadu (+0.03 0C /year each), reported by the Indian Meteorological Department, Govt. of India (Source : State Level Climate Change Trends in India, Meteorological Monograph No. ESSO/IMD/EMRC/02/2013 INDIA). The average annual mean minimum temperatures have shown significantly increasing trends over Andhra Pradesh, Arunachal Pradesh, Assam, Bihar, Delhi, Gujarat, Haryana, Kerala, Lakshadweep, Manipur, Meghalaya, Rajasthan, Sikkim, Tamil Nadu and Tripura. The highest increase in annual mean minimum temperature was observed for Sikkim (+0.07 0C /year) followed by Arunachal Pradesh, Bihar, Delhi, Gujarat, Manipur, Tamil Nadu and Tripura (+0.02 oC / year each) during the last 6 decades i.e. 1951-2010. read more>>