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- March 2023 was the second warmest measured in the world
- Southern and Central Europe had temperatures above average, while northern Europe had temperatures below average
- Temperatures were well above average in a region from northern Africa through southwestern Russia and most of Asia where some new temperatures were recorded
- Most above-average temperatures have been recorded in northeastern North America, Argentina and neighboring countries, large parts of Australia, and in the coastal regions of Antarctica.
- Conversely, it was noticeably cooler over western and central North America