Aerosol-Precipitation Interactions over India: Review and Future Perspectives

Table 1

Accumulated rainfall (mm) in July from 2001 to 2010 over the Arabian Sea, all India, and the Bay of Bengal and its mean. Total rainfall during the southwest monsoon season (June-July-August-September) and percentage contribution of July rainfall to total rainfall are given. Percentage difference in July and seasonal rainfall from the mean (2001–2010) for each year and each region is also given. Percentage difference in − indicates % deficit and + denotes % excess with respect to the mean rainfall in July or for the season.

Month/season	Year										Mean
	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010
Arabian Sea
July	78	27	124	80	88	79	90	90	147	155	96±37
Total	277	254	298	328	335	379	570	336	382	545	370±107
July %	28	11	42	24	26	21	16	27	39	28	26±9
% difference in July	−19	−72	+29	−17	−8	−18	−6	−6	+53	+61
% difference in total	−25	−31	−19	−11	−10	+2	+54	−9	+3	+47
All India
July	253	152	278	254	285	277	268	235	290	306	260±43
Total	780	661	819	784	807	848	948	860	741	950	820±88
July %	33	23	34	32	35	33	28	27	39	32	32±4
% difference in July	−2	−41	+7	−2	+10	+7	+3	−10	+11	+18
% difference in total	−5	−19	0	−4	−2	+3	+16	+5	−10	+16
Bay of Bengal
July	244	187	304	201	248	218	232	262	268	275	244±36
Total	887	777	938	848	890	956	1046	946	912	1035	923±81
July %	28	24	32	24	28	23	22	28	29	27	26±3
% difference in July	0	−24	+25	−18	+2	−11	−5	+8	+10	+13
% difference in total	−4	−16	+2	−8	−4	+4	+13	+2	−1	+12