Chennai
India
Chennai has warmed by about +0.8 °C since 1981.Its rainy-season rain is rising by about 10% every 10 years.It lies in the Bay of Bengal cyclone region.
Temperature
Whole year
Getting warmer
+0.17 °C
every 10 years
Very sure this is a real change
Hot season (March–May): +0.13 °C every 10 years.
Each year Long-term trend Likely range of the trend (95%)
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- Rate (Sen's slope)
- +0.171 °C/decade
- 95% range
- +0.131 to +0.206
- p-value (modified Mann–Kendall)
- p < 0.001
- Passes the map-wide check (FDR)
- Yes
- Map square used
- 13.00°N, 81.00°E (80 km from the city)
- Data
- NASA GISTEMP v4 (GISS), 2° grid
Rain
Rainy season (June–September)
Getting wetter
+58 mm
every 10 years (+10.2% of the usual amount)
Very sure this is a real change
Whole year: no clear change.
Each year Long-term trend Likely range of the trend (95%)
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- Rate (Sen's slope)
- +57.6 mm/decade
- 95% range
- +30.7 to +81.6
- p-value (modified Mann–Kendall)
- p < 0.001
- Passes the map-wide check (FDR)
- Yes
- Map square used
- 13.75°N, 81.25°E (130 km from the city)
- Data
- GPCP v2.3 monthly precipitation (NASA GSFC / NOAA), 2.5° grid
Disasters around Chennai
Floods
3
flood alerts within 150 km since 2000, 1 of them serious or severe.
Most recent: December 2022.
Landslides
1
reported landslides within 100 km (2007–2017).
Fires
1
fires a year seen by satellite nearby in March–May (2003–2024 average).