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Temperature record - Wikipedia the free encyclopedia2014 was the hottest year ever on Earth. The top ten are all in the last 15 years.
The long term ice core record: the last 800,000 years
![](https://upload.wikimedia.org/wikipedia/commons/thumb/c/ca/EPICA_temperature_plot.svg/400px-EPICA_temperature_plot.svg.png)
Temperature estimates relative to today from over 800,000 years of the EPICA ice cores in Antarctica. Today's date is on the right side of the graph.
Even longer term records exist for few sites: the recent Antarctic EPICA core reaches 800 kyr; many others reach more than 100,000 years. The EPICA core covers eight glacial/interglacial cycles. TheNGRIP core from Greenland stretchs back more than 100 kyr, with 5 kyr in the Eemian interglacial. Whilst the large-scale signals from the cores are clear, there are problems interpreting the detail, and connecting the isotopic variation to the temperature signal.