On 1/4/07, Michael Tobis <[EMAIL PROTECTED]> wrote:
The US standard is a three decade running mean calculated every decade,
not annually.
http://www.hprcc.unl.edu/nebraska/climatenormals.html
So the "normal" band is calculated with respect to 1970-2000 means. The
1970s were quite cold in much of the US, recall. It's hard to make the
case that the graphic understates the current anomaly.
Thanks! I didn't know that.
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