These two graphs show data from NASA GISTEMP, which is most often cited global temperature anomaly graph from the NASA Goddard Institute of Space Studies (GISS) for the entire globe, but done two ways. The top graph shows the magnified temperature anomaly, and the bottom graph shows the actual temperature as measured on the scale of normal human weather experience, typically 0° to 120° Fahrenheit.
The point of this display is to illustrate that if there were not statistical techniques such as anomaly analysis and scale amplification, humans would not likely be able to detect the mild rise in temperature since 1880. The bottom graph of absolute temperature shows this clearly and is essentially flat.
The top graph shows what is commonly displayed in the media, which is highly magnified. More details are here: New WUWT Global Temperature Feature: Anomaly vs. Real-World Temperature
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