SUV’s Cause Cooling Trend In Georgia
November 9, 2013
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Paul,
I wonder why you selected 1931 as the start date for an article referring to SUVs??
According to the Henry Ford Museum, the Jeep Cherokee (XJ) was the first true sport utility vehicle, and this wasn’t introduced until 1987. Therefore the trend in Georgia since the SUV was introduced is currently +0.1 deg F/decade (NOAA: same source you used).
Paul,
Also, using the same source and keeping everything per your graph (i.e. starting the trend in 1931 and using Oct – Sept), I find that by selecting ‘Contiguous U.S.’ from the State/Region option the chart shows an overall warming trend of +0.13 deg. F/decade.
Wiki defines the ‘contiguous United States’ as ‘the 48 adjoining U.S. states on the continent of North America (plus the District of Columbia)’. So on average the mainland U.S. has seen a warming trend at a rate of +0.13 deg F/dec since 1931.
This may save you the trouble of posting temperature trends from 1931 for each individual state starting from the coolest, as I see you have started doing.
Best.
Yes, I covered that in my first post.
The trend since 1895 is 0.13F/decade.
And the trend since 1931 is also 0.13F.
In other words, we are seeing a long term trend.
https://notalotofpeopleknowthat.wordpress.com/2013/11/06/new-alarmist-website-says-history-began-in-1960/
Thanks Paul,
Do you believe that 2012 represented a peak in the cycle of current U.S. temperatures?
For the next 20-30 years, I think it is quite possible. That does not mean a warmer year definitely won’t come along, but the long term trend has stabilised since 1998.
(If you run the NOAA graph again, there is a “Smoothed Time Series” plot to tick. This shows what I mean.)
You also need to remember what made 2012 so warm was that the warm weather lasted just about all year, an unlikely combination of events.
Also when the AMO turns cold in the next 10-15 years, there will be a definite dip in both US and UK temperatures.
Final word, and sorry for posting 3 in a row:
I make the warmest trend of any U.S. state since 1931 that of Arizona (+0.30 deg F/dec). I also note that large states such as California, Montana and New Mexico have all warmed quite strongly since 1931, which probably explains why the US as a whole has warmed since 1931.
You are quite right, David. The western states have tended to warm over the last century, and the eastern half have cooled.