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Zack LabeonMastodon1d ago
When averaging temperatures across each line of latitude, all areas were warmer than the long-term average in March 2026.
[Plot shows zonal-mean surface air temperature anomalies, where latitude = y-axis (not scaled by distance). Data: GISTEMPv4 (1951-1980)]
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Analysis Summary
Climate data shows every latitude band globally was warmer than the 1951-1980 baseline in March 2026, based on NASA's GISTEMPV4 temperature dataset. This continues a broader warming trend tied to climate change and is consistent with expectations from ongoing greenhouse gas forcing. The visualization uses zonal (latitude-averaged) means rather than area-weighted data, which is standard for analyzing latitudinal climate patterns but does not weight polar regions by their smaller surface area.
Claims Analysis (1)
“When averaging temperatures across each line of latitude, all areas were warmer than the long-term average in March 2026.”
GISTEMPv4 is institutional temperature dataset from NASA GISS. Claim matches dataset methodology and March 2026 is within current timeframe. Zonal-mean anomalies by latitude are standard climate analysis.
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