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Table 1 Relative contribution of vapor source regions to moisture in total precipitable water (TPW) for each season

From: Seasonal variation in isotopic composition and the origin of precipitation over Bangladesh

Season Site LND BOB ARS NID SID PAC
Pre-monsoon Sylhet   26% 28% 10%   
Dhaka   29% 28% 11%   
Chittagong   31% 27% 11%   
Indian Summer Monsoon Sylhet 14% 16% 16% 14% 15%  
Dhaka 10% 18% 17% 15% 16%  
Chittagong   20% 17% 17% 17%  
Post-monsoon Sylhet 24%      23%
Dhaka 26% 10%     21%
Chittagong 17% 12%     25%
  1. Values less than 10% were omitted. LND land surface (the recycling of water), BOB the Bay of Bengal, ARS the Arabian Sea, NID the northern part of the Indian Ocean, SID the southern part of the Indian Ocean, PAC the Pacific Ocean