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How years compare with the 20th Century average

10 warmest years

10 coldest years

20th Century average temperature

Hotter

Colder

JFMAMJJASONDMonths-0.8-0.6-0.4-0.220th Centuryaveragetemperature+0.2+0.4+0.6+0.8+1.0+1.2ColderHotter

Source: NOAA