COLA India Rainfall Data

All-India monsoon rainfall index

Subdivisional monsoon rainfall

Areally averaged June, July, August, September rainfall for 1871-2000. Hilly regions of India have been excluded from the averaging. The data are constructed from a network of 306 stations (no missing data) for 1871-1990. The data for 1991-2000 have been constructed from an unknown number of stations, and should be regarded as preliminary.

These data are also available by anonymous FTP at

last update: 1 March 2001