The entire US temperature trend is due to NASA/NOAA data tampering
Mosher says that GISS is an accurate representation of their set of stations. If that is true, the only sensible explanation for the changes in GISS over time, is that the set of stations has been altered to remove stations which were warmer in the past.
Either way, GISS is complete garbage.
But then of course, there are US temperatures – which are being altered right in front of our eyes.

Five years ago, the Met Office’s top scientist said that Scottish skiing is a thing of the past.
09 February 2009
Alex Hill, the chief government adviser with the Met Office, told The Scotsman there was no future for skiing in Scotland because climate change would see winters become too warm for regular snowfall.
Mr Hill said: “Put it this way: I won’t be investing in the skiing industry.
Skiing is ‘doomed’ … so enjoy it while it lasts – The Scotsman
Five years later, their problem is that the chair lifts are buried in snow
BBC News – Skiers warned of terrain traps in Scotland’s mountains
Nine US HCN stations set both their all-time record minimums in February 1936, and their all-time record maximums in July, 1936. Two of those stations had a spread of 170 degrees that year.
Obama says that anyone who disagrees with his idiot science adviser, is an evil flat-earther.
h/t to Sundance
Current climate experts simply forgot to mention that WAIS thinning has been going on for centuries, and has nothing to do with CO2.
[youtube=http://www.youtube.com/watch?v=nwWqZ6_J2w0]