The average rainfall dictates the agricultural calendar. The main rice crop, Aman , is sown during the monsoon. If the monsoon is delayed or deficit, it impacts food security and farmer livelihoods. Conversely, excessive rainfall in North Bengal often leads to devastating floods in districts like Malda and Murshidabad, washing away crops and disrupting life.
Rainfall intensity in West Bengal is primarily determined by proximity to the Himalayas and the Bay of Bengal. Global Historical Climatology Network daily Global Historical Climatology Network daily average rainfall in west bengal
Meteorologists and geographers typically divide West Bengal into distinct rainfall zones. The average rainfall dictates the agricultural calendar
This region, comprising Darjeeling, Jalpaiguri, Alipurduar, and Cooch Behar, receives the highest rainfall in the state. and Cooch Behar