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The southwest monsoon has slipped into deficit in its final lap, after an overall decent run during the first three months of the season. The country as a whole has, as on 19 September 2018, cumulatively received an average area-weighted rainfall of 750.5 mm during the current monsoon season from June 1. This is 10.1 per cent below the historical long-term average of 834.5 mm for the same period, making it a “below normal” monsoon. That, as per the IMD (India Meteorological Department’s) definition, refers to rainfall deficiency exceeding 10 per cent of the long-period average.