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Mean maximum temp in State up during 1950-2010

By AJIT PATOWARY
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GUWAHATI, April 5 � The statewise averaged annual mean maximum temperature series has shown a significantly increasing trend over the State in a study conducted by three meteorologists for assessing the climate change trends in the country with the meteorological data for a 60-year period between 1950 and 2010. The findings of the study have been published by the India Meteorology Department (IMD).

Similarly, the state averaged annual mean minimum temperatures have shown significantly increasing trends over the State during the same period.

The study, conducted by LS Rathore, SD Attri and AK Jaswal, was uploaded by the IMD in its website at the fag end of 2013. The observations made on the findings of the study are still relevant.

The findings of the study states � �Statewise averaged annual mean maximum temperature time series has shown increasing trends over many states of India except Bihar, Chhattisgarh, Delhi, Haryana, Jammu and Kashmir, Meghalaya, Punjab, Tripura and Uttar Pradesh. The increasing trends 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.�

In the case of annual mean minimum temperature trends, it mentions � �State averaged 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.�

It states that the highest increase in annual mean maximum temperatures was observed over Himachal Pradesh (+0.06 degree Celsius in a year) followed by Goa (+0.04 degree Celsius in a year), Manipur, Mizoram and Tamil Nadu (+0.03 degree Celsius in a year each). It maintains that the decreasing trends in this respect were significant over Punjab (-0.01 degree Celsius in a year) and Haryana (-0.02 degree Celsius in a year). However, no trends were observed over Bihar, Chhattisgarh, Delhi, Meghalaya, Tripura and Uttar Pradesh during 1951-2010, it states.

The highest increase in annual mean minimum temperature was observed for Sikkim (+0.07 degree Celsius in a year) followed by Arunachal Pradesh, Bihar, Delhi, Gujarat, Manipur, Tamil Nadu and Tripura (+0.02 degree Celsius in a year each) during the study period.

But the annual mean minimum temperature trends are significantly decreasing over Chhattisgarh (-0.01 degree Celsius in a year), Orissa (-0.02 degree Celsius in a year), Punjab (-0.01 degree Celsius in a year) and Uttarakhand (-0.03 degree Celsius in a year). However, Goa, Jharkhand, Karnataka, Madhya Pradesh, Maharashtra, Mizoram, Uttar Pradesh and West Bengal do not indicate any trend in annual mean minimum temperature during the last six decades.

The study further maintains that the annual mean temperatures have increased significantly over all the states of India except Chhattisgarh, Haryana, Jammu and Kashmir, Meghalaya, Orissa, Punjab, Uttar Pradesh, Uttarakhand and West Bengal.

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Mean maximum temp in State up during 1950-2010

GUWAHATI, April 5 � The statewise averaged annual mean maximum temperature series has shown a significantly increasing trend over the State in a study conducted by three meteorologists for assessing the climate change trends in the country with the meteorological data for a 60-year period between 1950 and 2010. The findings of the study have been published by the India Meteorology Department (IMD).

Similarly, the state averaged annual mean minimum temperatures have shown significantly increasing trends over the State during the same period.

The study, conducted by LS Rathore, SD Attri and AK Jaswal, was uploaded by the IMD in its website at the fag end of 2013. The observations made on the findings of the study are still relevant.

The findings of the study states � �Statewise averaged annual mean maximum temperature time series has shown increasing trends over many states of India except Bihar, Chhattisgarh, Delhi, Haryana, Jammu and Kashmir, Meghalaya, Punjab, Tripura and Uttar Pradesh. The increasing trends 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.�

In the case of annual mean minimum temperature trends, it mentions � �State averaged 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.�

It states that the highest increase in annual mean maximum temperatures was observed over Himachal Pradesh (+0.06 degree Celsius in a year) followed by Goa (+0.04 degree Celsius in a year), Manipur, Mizoram and Tamil Nadu (+0.03 degree Celsius in a year each). It maintains that the decreasing trends in this respect were significant over Punjab (-0.01 degree Celsius in a year) and Haryana (-0.02 degree Celsius in a year). However, no trends were observed over Bihar, Chhattisgarh, Delhi, Meghalaya, Tripura and Uttar Pradesh during 1951-2010, it states.

The highest increase in annual mean minimum temperature was observed for Sikkim (+0.07 degree Celsius in a year) followed by Arunachal Pradesh, Bihar, Delhi, Gujarat, Manipur, Tamil Nadu and Tripura (+0.02 degree Celsius in a year each) during the study period.

But the annual mean minimum temperature trends are significantly decreasing over Chhattisgarh (-0.01 degree Celsius in a year), Orissa (-0.02 degree Celsius in a year), Punjab (-0.01 degree Celsius in a year) and Uttarakhand (-0.03 degree Celsius in a year). However, Goa, Jharkhand, Karnataka, Madhya Pradesh, Maharashtra, Mizoram, Uttar Pradesh and West Bengal do not indicate any trend in annual mean minimum temperature during the last six decades.

The study further maintains that the annual mean temperatures have increased significantly over all the states of India except Chhattisgarh, Haryana, Jammu and Kashmir, Meghalaya, Orissa, Punjab, Uttar Pradesh, Uttarakhand and West Bengal.