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Graph of the Day: Trend in global average surface temperature, 1970-2014
By Tamino
20 January 2015(Open Mind) – Both NASA and NOAA report 2014 as the hottest year on record. Despite the new #1, neither the news itself nor the response to it has surprised me.
The news that last year was so hot is certainly no surprise. The simple reason is that for the last 15 or 20 years, let’s say since the turn of the millennium just to be specific — you know, since back when we expected global warming to continue without slowing down — global warming has continued and shows no sign of slowing down.
As a matter of fact, according to the NASA data this year is dead on the projection we would have made back then by using the “global warming continues without slowing down” hypothesis. By the time 1999 came to a close, a warming trend was abundantly clear.
But besides just rising with the trend, temperature fluctuates up and down from year to year; hence the dashed red lines above and below the red trend line showing the likely range. Assuming global warming continues without slowing down, we would have expected this. [more]
Source: http://www.desdemonadespair.net/2015/04/graph-of-day-trend-in-global-average.html
