Currently the CET is running at 1.5C colder than the 1961-90 baseline, or, more relevantly, about 2.0C below the 1981-2010 average now used by the Met Office.
The week ahead is forecast to turn even colder, with more snow predicted and a Met Office yellow alert issued.
If the month remains at 3.8C, it will finish as the coldest March since 1970, which was 3.7C.
The second coldest March since 1970 was in 1987, when the CET was 4.1C. Given that, hopefully, things might start to get a little warmer towards the end of the month, we will probably end up slightly higher than 1987.