Overcast sky and light showers paved the way for pleasant weather on Wednesday, bringing much needed respite for the residents after peak summer days.

Many parts of the city and suburbs, including Adyar, Anna Nagar, Taramani, Royapettah, Kilpauk and Ambattur experienced light showers in the evening. Residents of Ambattur said that the showers lasted for over a half hour.

On Wednesday, Nungambakkam and Meenambakkam registered maximum temperature of 38.1 degree Celsius and 39 degree Celsius respectively, which was near normal.

Officials of the Meteorological Department said that the Nungambakkam and Meenambakkam observatories received 3.3 mm and 2 mm of rainfall respectively during the 12-hour period ending 8.30 p.m. The observatory at Madhavaram recorded 2 mm of rainfall on Wednesday.

The officials attributed the rainfall to the thunderstorm activity. Thunderclouds may sometimes form owing to the active southwest monsoon in neighbouring States, they said.

According to Y.E.A.Raj, Deputy Director General of Meteorology, Regional Meteorological Centre, the number of days when the temperature crossed 40 degree Celsius last month was less. While the maximum temperature in Nungambakkam crossed the mark on five days, Meenambakkam experienced nine hot days (40 degree and above) last month.

The maximum temperature peaked to 41.7 degree Celsius on May 7 in Nungambakkam. On the same day, the mercury level touched 42.4 degree Celsius at Meenambakkam.

This was more than the temperature level experienced in May last year. The mercury level soared to 40.9 degree Celsius on May 30 last year, he said.

The department forecasts that rain or thundershowers would occur in the city on Thursday and the maximum temperature may dip to 37 degree Celsius.

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