Was just working out some details, for Max (Thailand) and for my records. Thought I would share it on Vagaries:
1.Highest 24 hrs rainfall for September at Palam Airport till now is 190 mms in 1963.
2. Cherrapunji is going thru a bad monsoon phase. Rainfall from 1st June - 16 th September there is 5624 mms, that is 2111 mms less than what it should be ! Howevr, the rainfall from 1st Jan 2011 till date there is 7880 mms, and the required annual normal is 11070 mms.
3. Bharuch has had 1123 mms till today this season.While Ankleshwar has managed 697 mms.
The heaviest 24 hr fall in Bharuch was on 5th August 1976, when 460 mms fell in 1 day, and for September the heaviest fall in a day was on 6th Sept 1954 when 305 mms fell.
4. Surat's heaviest 24 hr rain ever was 459 mms in 1941 on 2nd July.