Table 1 Details of the data and variables used in the present study.

From: Statistical Evidence for the Role of Southwestern Indian Ocean Heat Content in the Indian Summer Monsoon Rainfall

Parameter/Index Variable used in computing Grid spacing Data Source Study Region Reference
Indian Summer Monsoon Rainfall (ISMR) Station Rainfall Data 0.25° × 0.25° 1 Indian mainland (Fig. S1) 26, 27
Ocean Mean Temperature Percent Deviation (OMT PD) OHC, D26 0.25° × 0.25° 2 (50°E–70°E, 10°S–0°N) 17
Sea Surface Temperature Percent Deviation (SST PD) Sea Surface Temperature 1° × 1° 3 (50°E–70°E, 10°S–0°N) 30
Dipole Mode Index from Sea Surface Temperature (DMI)a Sea Surface Temperature 1° × 1° 4 (50°E–70°E, 10°–10°N); (90°E–110°E, 10°S–0°N) 2, 30
Dipole Mode Index from Ocean Mean Temperature (ODMI) OHC, D26 0.25° × 0.25° 2 (50°E–70°E, 10°S–10°N); (90°E–110°E,10°S–0°N) 2, 17
El Nino/Southern Oscillation (NINO3.4)b Sea Surface Temperature 1° × 1° 5 (5°N–5°S, 170°W–120°W) 30
El Nino Modoki Index (EMI)c Sea Surface Temperature 1° × 1° 4 (165°E–140°W, 10°S–10°N); (110°W–70°W, 15°S–5°N); (125°E–145°E, 10°S–20°N) 20, 30
Hadley profile data (Version: En4) Temperature & Salinity profiles 1° × 1° 3 (50°E–70°E, 10°S–0°N) 31
In situ OMT data Temperature & Salinity profiles 6 (30°E–100°E, 30°S–30oN) 36
  1. The time period for all the datasets is 1993–2017.
  2. Date Source references: 1-India Meteorological Department; 2-National Oceanic and Atmospheric Administration Atlantic Oceanographic and Meteorological Laboratory; 3- Met Office Hadley Center; 4-Japan Agency for Marine-Earth Science and Technology 5-Royal Netherlands Meteorological Institute climate explorer and 6-National Oceanic Data Center, National Oceanic and Atmospheric Administration.
  3. a,b,cThese parameters are directly obtained from respective centres, which used Hadley SST for the computations.