There are in situ measurements from radiometers as well as the more traditional contact thermometers. Need to add a section on these, as they have many unique qualities, including being traceable to temperature standards in a way that other in situ measurements often aren't.
There are in situ measurements from radiometers as well as the more traditional contact thermometers. Need to add a section on these, as they have many unique qualities, including being traceable to temperature standards in a way that other in situ measurements often aren't.