Replying to a reader's query,
this IS the highest ever rain total till August end for Mumbai Colaba.
Rainfall till Aug end:
1. 2010 2896 mms
2. 1983 2679 mms
3. 1990 2508 mms.

And, in reply to another query, the highest ever for S'Cruz is 3785 mms in 1958.

All India Top SWM Rainfalls, over a limit of 2000mm

1. Cherrapunji: 7043 mm (-50)
2. Agumbe: 5339 mm (-1053)
3. Gaganbawada: 4810 mm
4. Shirali: 3690 mm (+175)
5. Mahableshwar: 3687 mm (-1347)
6. Harnai: 3447 mm (+1361)
7. Buxa: 3408 mm
8. Ratnagiri: 3333 mm (+911)
9. Honavar: 3244 mm (+315)
10. Mangalore AP: 3158 mm(+134)
11. Panambur: 3139 mm (+257)
12. Bhagamandala: 3128 mm
13. Mumbai Santa Cruz: 3080 mm (+1115)
14. Matheran: 3030 mm
15. Mumbai Colaba: 3013 mm (+1276)
16. Panjim: 2938 (+603)
17. Karwar: 2932 mm (+362)
18. Kottigehara: 2872 mm
19. Coochbehar: 2758 mm (+638)
20. Chinnakallar: 2729 mm
21. Bhira: 2582 mm (-1360)
22. Alibaug: 2439 mm (+680)
23. Peermade: 2410 mm
24. Kannur: 2401 mm
25. Dahanu: 2377 mm (+674)
26. Jalpaiguri: 2342 mm (+201)
27. Valparai: 2190 mm
28. N.Lakhimpur: 2189 (+377)
29. Devala: 2187 mm
30. Dheradun: 2071 mm (+579)
31. Kozhikode: 2025 mm (-184)

Rainfall toppers list sent by Pradeep. I should be more careful in giving credit to the senders. Thanks emkay.