Year, Month and IMD Sub Division-wise Normal (1971-2020) and Actual Rainfall Data Since 1901

This Dataset contains year, month and India Meteorological Department (IMD) sub division wise actual rainfall data Note: `Normal Rainfall` is for the years 1971-2020. The India Meteorological Department (IMD) uses data from 1971-2020 to define the current normal rainfall for India. The New All-India annual rainfall normal based on data of 1971-2020 is 1160.1 mm compared to earlier normal of 1176.9mm based on data of 1961-2010. The New All-India rainfall normal computed based on data of 1971-2020 for the southwest monsoon season (June-September) is 868.6mm. It will replace the earlier normal of 880.6 mm based on data of 1961-2010 This updated Long Period Average (LPA) represents a 50-year average, replacing previous normals based on data from 1961-2010.