At present, Tamil Nadu is rain deficient by 23%, as the state has only recorded 333.6 mm of rains against its normal of 434.2 mm. However, during the last 24 hours, many parts of Tamil Nadu especially the southern districts along with the capital city, Chennai recorded isolated light rainfall activity.
In the last 24 hours from 08:30 am on Saturday, Karaikal recorded 4.4 mm of rain, followed by Nagapattinam 4.1 mm, Palayamkottai 3 mm, Coonoor 2.4 mm, Chennai 0.6 mm and Kanyakumari 0.2 mm. In fact, Coimbatore and few other places witnessed trace of rain.
These rains have been attributed to the remnants of the upper air trough in the lower levels over Comorin region. This trough has further weakened. Hence, extreme southern parts of Tamil Nadu and parts of Puducherry may still receive light rain and thundershower activity over isolated places during the next 24 hours.
Thereafter, rains will decrease significantly, and days will become little warm followed by pleasant nights. Thus, we can say that, from January 1, dry weather is likely to prevail over Tamil Nadu and Puducherry.
In Chennai, during the next 24 hours, sky conditions are likely to remain cloudy. In fact, patchy rain may also occur in some areas of the city. Maximum and minimum temperatures are likely to be around 30˚C and 22˚C, respectively.
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