Writes RS:
The actual thermometer data showed October as the 24th warmest, nearly four degrees cooler than 1947 and 1963, and on a long term cooling trend.
After time of observation bias adjustments, the past has cooled, but temperatures are still on a downwards trend.
The biggest cheat comes when they apply the UHI adjustment and homogenization, which makes the past much colder (yes, you read that correctly) and turns a cooling trend into a warming trend.
Finally NCDC throws in an additional cheat, on top of the USHCN cheats.
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