Quote:
Originally Posted by MotoSook
Anyone ever question the data?
What equipment was used?
Where was the data taken?
Are the users using the same method?
A glass-mercury thermometer in 1880 has the acccuracy of?
A modern digital thermometer with a high precision probe properly calibrated has an accuracy of?
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Yes, all the time. There are numerous ways to re-construct past climates. Pollen "fossils" are one.