Vol. 12, Special Issue 8 (2023)

Author(s):
SH Suryawanshi, RS Talole, UH Khobragade, Y Bisen and KD Gharde

Abstract:
The average monsoon seasonal rainfall ranges from 648.9 mm to 1231.3 mm in different taluka stations, with a coefficient of variation of 36.2 to 35.5 percent. The average dates of the onset and withdrawal of the effective monsoon ranged from the 3rd to the 30th of June and from the 25th of September to the 2nd of October in different talukas in the Amravati district. During early and delayed onset years, the mean date of onset of the effective monsoon ranged from 6th to 15th June and 27th June to 21st July, respectively. During early and delayed withdrawal years, the mean date of monsoon withdrawal ranged from September 8th to September 19th and October 5th to October 17th, respectively. In the Amravati district, spatial variation maps for the average dates of onset and withdrawal of the effective monsoon were developed. The average start date of distinct category critical dry spells (CDS) occurred in different monsoon months from the 14th to the 22nd of June, the 15th to the 24th of July, the 15th to the 20th of August, and the 11th to the 17th of September across different talukas in Amravati district.