Measured US temperatures show no warming over the past 20 years, while the temperatures published by NCDC show 3.4F/century warming during that period.

The graph below shows the difference between the average final USHCN station temperature, and the average raw USHCN station temperature. All reported warming in the US since 1994 is due to highly subjective adjustments by government scientists who personally benefit from global warming alarmism.