Kolkata has been witnessing on and off rains for more than a month now. However, the intensity of these rains has mainly remained light in nature. The intensity of these showers increased mainly after July 23 when the city witnessed some moderate rains to the tune of 77 mm.
Henceforth, occasional showers continued over the state capital with a few short breaks. August also began on a rainy note for the city as the first day started with a total of 25 mm of rains. The day before also, 23 mm of rains were observed by Kolkata which reduced to mere 0.3 in the last 24 hours.
However, the maximum temperatures settled at 29.6 degrees Celsius which is 3 degrees below the normal levels. The reason for these rains as per Skymet Weather can be associated with the persistence of the cyclonic circulation over Northwest Bay of Bengal and adjoining Gangetic West Bengal.
In addition to this, the eastern end of the axis of Monsoon trough was also running through Kolkata. However, now the eastern end has shifted towards the north and is passing via Malda over the northern parts of West Bengal.
Hence, we can expect few spells of moderate showers to continue over the city for another 48 hours until August 5. Thereafter, the rains would reduce and hence relief from ongoing showers can be anticipated. However, light spells would continue.
The monthly average rainfall stands at 344.5 mm and till date, the city has recorded a total of 48.3 mm of rains.
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Any information taken from here should be credited to skymetweather.com