There seems to be some confusion (well at least I'm confused) about just how warm January was.

Some reliable sites are giving a mean of 7.9C, e.g.

http://www.bbc.co.uk/weather/feeds/35234711

http://www.metoffice.gov.uk/climate/uk/summaries

but they do talk about the "UK mean", which I've never heard mentioned before, and if I have, I always assumed they just meant the CET temperature (which is a bit like PIN number I know).

On the other hand other pages give a CET of 9.7C:

http://www.metoffice.gov.uk/hadobs/h..._mean2015.html

which is ridiculously high. I at first assumed it was a typo for 7.9, but others are assuring me not.

Anyway in the know like to clarify it for me please?



Thanks
Trevor