Nothing about climate science reeks more of confirmation bias, than the changes scientists make to their own data sets over time. They all show exactly the same pattern of monotonically cooling the past and warming the present, regardless of the instrumentation.

2001 version : FigA.txt 2016 version : Fig.A.txt

2016 version : RATPAC-A-annual-levels.txt 2011 version : global.dat

RSS_Monthly_MSU_AMSU_Channel_TMT_Anomalies_Land_and_Ocean_v04_0.txt

RSS_Monthly_MSU_AMSU_Channel_TMT_Anomalies_Land_and_Ocean_v03_3.txt

In the case of US temperature adjustments, they are made to exactly match the increase in CO2. Junk science doesn’t get any worse than that.