“I mean, since 1880? That was such a long time ago”
Don’t even be fooled into thinking it goes back that far.
The only chance we have of getting a worldwide temperature reading is by satellites, which have only been orbiting around for around 40 years.
Everything else is an interpolation and BS ‘adjustment’ of a very limited number of land based thermometers...primarily in the westernized world.
I sometimes ask GW believers how accurate they think records were being kept in, say, Nevada, the Yukon, Siberia and the Amazon in the 1880s. How many weather stations were there, were they calibrated, and could they measure anything consistently to within 0.1 deg, even assuming the person reading the instrument wasn’t drunk at the time?
The GW believers usually decide I’m an evil person who hates Mother Gaia...