jopo:
"So if our outgoing ... blah blah blah It just does not look like that when looking at OLR."
- that's called seeing what you want to see, even when it's not there
tristanc:
"It's about the amount of noise (random/chaotic year-to-year variation) in the data, compared to the scale of the trend you're trying to measure. The trend is very close to zero while the noise is very large."