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IMD Gridded Temperature Data

Overview

The India Meteorological Department (IMD) Gridded Temperature dataset provides daily maximum and minimum temperature data over the Indian subcontinent with long-term historical records dating back to the mid-20th century.

Data Specifications

  • Provider: India Meteorological Department
  • Frequency: Daily
  • Data Latency: Approximately 3 days
  • Geospatial Resolution: 0.5° x 0.5° (approximately 50 km)
  • Temporal Coverage: 1951 to present
  • Data Format: Binary, ASCII
  • Coverage: Indian subcontinent
  • Unit of Measurement: Degrees Celsius

Variables Available

  • Daily Maximum Temperature (Tmax)
  • Daily Minimum Temperature (Tmin)
  • Daily Mean Temperature (derived)

Key Features

  • Long-term temperature record for the Indian subcontinent
  • Consistent methodology for the entire time series
  • Quality-controlled data suitable for climate trend analysis
  • Captures both seasonal patterns and extreme temperature events
  • Widely used for agricultural and health impact studies

Use in Parametric Insurance

This dataset is valuable for:

  • Heat stress insurance for agriculture
  • Frost coverage for sensitive crops
  • Temperature-dependent business interruption insurance
  • Health and mortality risk assessments in extreme temperature events
  • Growing degree day calculations for agricultural insurance
  • Heat wave parametric triggers

Data Access

The data is available through official requests to the India Meteorological Department and through approved research collaborations.