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Climate

The temperature spiral

Every month since 1880, drawn as one continuous line circling the year. Distance from center is how far that month ran above or below the 1951–1980 average. The spiral grows outward because the world is warming.

1880
—
Anomaly vs 1951–1980
−0.7 °C0+1.5 °C

Source: NASA GISS GISTEMP v4, updated —.

Yearly means as a table