There are very few stations in South America with long-term data. Here are a couple of them from NASA GISS V2. Both showed a similar pattern with warmth before 1920
Data.GISS: GISS Surface Temperature Analysis
Data.GISS: GISS Surface Temperature Analysis
In GISS V4, the unadjusted data has changed to erase the heat of the past.
Data.GISS: GISS Surface Temperature Analysis (v4)
Data.GISS: GISS Surface Temperature Analysis (v4)
How does unadjusted historical data change over time?
Data.GISS: GISS Surface Temperature Analysis
Data.GISS: GISS Surface Temperature Analysis (v4)
How do they ‘explain’ the hint CHANGES?
For some reason they always have to lie about the climate.