Global Temperature Anomalies from 1880 to 2024

Overview

• Published: January 10, 2025
• Organization: NASA's Scientific Visualization Studio
• Key Contributors:
  • Gavin A. Schmidt (Scientific Consulting)
  • Mark SubbaRao (Visualizations)
  • Robert B. Schmunk (Data)
• Dataset Used: GISS Surface Temperature Analysis (GISTEMP v4)

Key Visualizations

• Map Projections: Robinson, Orthographic, and Equirectangular
• Anomalies Represented:
  • Normal temperatures in white
  • Higher than normal in red
  • Lower than normal in blue
• Baseline Period for Normals: 1951-1980
• Visualization Technique: Averages over a running 24-month window

2024 Temperature Records

• Warmest Year on Record: Earth’s average surface temperature in 2024
• Temperature Increase:
  • 2.30°F (1.28°C) above 20th-century baseline
  • 2.65°F (1.47°C) warmer than mid-19th century
• Heat Streak: 15 consecutive months (June 2023-August 2024) of record temperatures

Data and Analysis

• Data Availability:
  • NASA’s full dataset and analysis code are publicly available
  • Managed by GISS, affiliated with Columbia University
• Temperature Measurement: Utilized NOAA GHCN v4 and ERSST v5 data

Additional Resources

• Related Visualizations:
  • Record Temperature Years: 2024, 2023, 2016
  • Zonal Climate Anomalies 1880-2024
  • Shifting Distribution of Land Temperature Anomalies (1964-2024)
• Public Access: Visit GISS Surface Temperature Analysis for more data

Credits

• Data provided by Robert B. Schmunk
• Visualization by Mark SubbaRao

Further Information

• Visit: NASA's Earth Science Programs