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USHCN adjustment hockey stick


blizzard1024

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I know there are valid reasons for adjusting temperature but what the heck is going on here?

2014 monthly data has been seriously adjusted up. It is a hockey stick. What has changed so much this year that it needs so much adjustment upwards??

 

post-1184-0-92149900-1399460603_thumb.gi

 

 

Data for new version of USHCN vs unadjusted data can be found here...

 

ftp://ftp.ncdc.noaa.gov/pub/data/ushcn/v2.5/ushcn.tavg.latest.FLs.52i.tar.gz
ftp://ftp.ncdc.noaa.gov/pub/data/ushcn/v2.5/ushcn.tavg.latest.raw.tar.gz

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It is likely because a good amount of data for 2014 is still not in. I have noticed that they tend to revise numbers downward as the months come out.

 

It won't look like that by the end of the year.

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