Precipitation & rainfall
Precipitation variability, monsoon shifts, drought spells and heavy-rain frequency for a single region.
Precipitation vs baseline — Mumbai
Bars show observed precipitation; dotted line is the 1961–1990 monthly average.
Drought & wet spells (SPI)
Standardized Precipitation Index by month. Blue = wet, orange = dry.
Intensity distribution
Frequency of monthly precipitation totals — the long tail is heavy-rain months.
Extreme rainfall highlights
Top single-month events and driest months in the current filter window.
Wettest month
497.7 mm
Aug 1969
SPI +1.06
Wettest month
496.2 mm
Jan 1983
SPI +2.40
Wettest month
494.8 mm
Jun 1984
SPI +0.39
Wettest month
494.4 mm
Jul 2014
SPI +0.29
Wettest month
494.2 mm
Jul 2025
SPI +0.29
Wettest month
493.4 mm
Jun 2007
SPI +0.37
Prolonged dry spells
Driest month
42.8 mm
Feb 2021
SPI -3.31
Driest month
200.4 mm
Jul 1984
SPI -3.04
Driest month
281.7 mm
Sep 1955
SPI -2.79
Driest month
260.8 mm
Jun 1980
SPI -2.69
Driest month
295.1 mm
Sep 1960
SPI -2.59
Driest month
275.7 mm
Aug 1958
SPI -2.43