Met office sources said monsoon is expected to hit Purnea border on June 17 and then proceed to other parts of the state.
The pre-monsoon early morning showers today brought much needed respite from the sweltering heat weather conditions and brought down the maximum temperature by two notches from normal.
The showers were reported from Patna, Chhapra, Siwan, the sources said.
Gaya was the hottest place in the state at 38.4 degrees Celsius, while Bhagalpur recorded 31.6 degrees and Purnea 33.7 degrees Celsius, the met office bulletin said.
The four major cities of Patna, Gaya, Bhagalpur and Purnea may witness partly cloudy sky with possibility of rain or thundershower tomorrow, it added.
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