Old 15th Oct 2019, 12:41
  #34 (permalink)  
20driver
 
Join Date: Aug 2004
Location: US
Posts: 432
Originally Posted by Ian W View Post
There are two things to be concerned about with graphs watch what is being done with the Y axis normally this exhibits a degree (cough) of precision in temperature measurement that would not be achieved by the accuracy of a met observer in howling sleet reading a temperature from a thermometer in a Stevenson Screen. The comparisons with 'global temperatures' from the past when in the Southern hemisphere a hundred years ago there were very very few observations - are extremely shaky as the much of the temperatures are based on guesswork but then expressed with a precision of hundredths of a degree (ever seen error bars on those graphs? No nor have I),
This encapsulates is so much of my objection to the current state climate science. The rules of evaluating and presenting data in a manner that accounts for precision do not apply.
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