Monsoon will be below normal this year and the western India is likely to experience a deficient rainfall. Skymet, a private weather forecasting agency, said in New Delhi that El Nino – a phenomenon associated with warming of Pacific waters – is being attributed as one of the main reasons behind a possibly weak monsoon this year. It said the first half of the monsoon period might see better rainfall than the later half.<br/><br/>Weather Risk, another private forecasting agency has predicted an El Nino event this year and said it is likely to have a negative impact on the southwest monsoon during the later part of the monsoon period. India Meteorological Department will come out with its monsoon forecast next month.