Feb 27 2008
4 Global Temperature Anomalies Say the Same Thing
Watts Up With That has A look at temperature anomalies for all 4 global metrics. However, for the analysis, the temperature anomalies have different base periods. I quickly plotted the temperatures using the same base period. I also show the histogram of the temperature anomalies. I chose the base period to be the time from 1979 through January 2008. This makes things really easy because all I have to do is subtract out the mean of all the time series.
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The four global temperature anomaly metrics look a lot more similar when they are plotted using the same base period.
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5 Responses to “4 Global Temperature Anomalies Say the Same Thing”
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I’m a bit puzzled over your title.
In my original post on the 4 metrics my title was:
“January 2008 - 4 sources say “globally cooler” in the past 12 months”
Which implied agreement. So is your title above implying agreement, implying satire, or something else?
BTW, I gave you a boost on my most recent post, just minutes ago. Check it out.
[Reply: I wasn't implying anything with respect to your post. When I choose titles I try for something that people may search for in search engines (I'm not very good at this yet) and something that will give a person reading the title a brief intro to what the post is about. Combining these two factors, especially on a quick post, can sometimes yield not-perfect results/]
Thankfully the “hockey stick” is forever dead with this graphing.
I disagree. While there are probably flaws in the “hockey stick” (I’m not even remotely qualified to judge their methodology), this plot shows only the temperature change since 1979. If I plotted this on a x-axis that stretched from 1000-2007, the slope of the line would appear very vertical, like the “hockey stick” graph.
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