I believe it is referring to the UK temperatures index rather than CET. The Met Office often use it in their climate summaries. I think 1.3C is a notable anomaly and suggests we could be heading for one of the 10 (possibly 5) mildest winters on record. I will stand by that prediction. 

I deleted it! I meant to repost when my attachment was fixed to the correct chart but then got called away. 

I'd say that your prediction is correct, though. Still, it's a straw to clutch at and we had few enough even of those this winter.

Equal 24th warmest December since the UK series started in 1910. Obviously well below the exceptional record year of 2015 when the mean UK temperature was 7.9C. 

https://www.metoffice.gov.uk/pub/data/weather/uk/climate/datasets/Tmean/ranked/UK.txt

I am expecting a much bigger positive anomaly in January based on the current output.

CET 8c

1868/69 holds the current warmest UK winter CET @ 6.77C.

February's has stood since 1779 😮 @ 7.9C

Looks like the one day cold snap on the 13th could lead to ground frost in the South and see temperatures plummeting to 7C. This is what it has come to! 

Hope that’s not the highlight of this winter😆

dreadful output again if it’s cold your after, this pattern looks locked for at least the next 7 to 10 days, and possibly longer given the upstream signals 

To be fair we have had at least one fairly seasonal week this winter albeit right at the start of December. Glasgow even managed an ice day!

Haven’t got close to any -10 overnight minima here though which is usually the mark of a decent cold spell down here. Coldest so far this winter has been -6C. Meanwhile last nights min was +6.3C!

Decent uptick in rainfall on the 9th, otherwise nothing new at the moment

Good summary.

The scale used on the London ECM 12z ensemble temperature chart sums it up perfectly: +15c down to -2c. The sort of scale you might expect in March/April. It seems the only uncertainty is whether it will be slightly mild or very mild.

Fixed your post for you Matty!

No real let up in the Jetstream, though less of a roaring beast from Fri 17th onward.

GFS this morning mostly zonal, stronger flow for the first week, slacker later. Minor brief interruptions, LP on Thu 9th and Tue 21st, HP Sat 18th. ECM agrees

GEFS temps oscillating about the seasonal average, though the op takes an interesting dip around the 22nd everywhere. Rainfall as yesterday mostly in N & W; notably around 14th-17th (earlier in the N) and drier after. Little change in pattern in the FI 'postage stamps'.

Only one positive about this typical non-winter winter - at least the models are unrelenting in spewing out dross, so we are not left chasing any gold at the end of the rainbow, since the models are not providing the faintest glimmer of any hope.

I beg to differ - there will always been faint glimmers as there have been throughout the last few weeks of unremitting zonal on the GFS ops. Take GEM this morning for instance, or half a dozen of the GEFS suite. As likely as it is that these glimmers are just spikes in the noise, a rapid pattern change has happened before and could well happen again.

Thats a very sensible and true post.

No changes...more of the same. Truly locked in pattern. The far reaches of FI is now 23rd January.

Yesterday's ECM MFS offers very little other than a continuation of similar temperature profiles for the moth ahead. Amazing the consistency of high +ve anomalies over N and NW Europe.

MFS = moth friendly scenario? It probably is

yes possibly the heart of mid winter being unceremoniously ripped away again. Variations on a theme today, mild dry interludes and mild wet interludes with some bouts of wind thrown in.