Via adjustments, NOAA turns a long-term cooling trend at Altus, Oklahoma into a warming trend – including the last eleven years which the station has been shut down.
https://www.ncei.noaa.gov/pub/data/ushcn/v2.5/ushcn.tmax.latest.raw.tar.gz
USH00340179.raw.tmax
https://www.ncei.noaa.gov/pub/data/ushcn/v2.5/ushcn.tmax.latest.FLs.52j.tar.gz
USH00340179.FLs.52j.tmax