December's mileage I retrieved last weekend - it was far too wet to do anything else - and I managed 531.5+87.1=618.6mi. Given that I spent about two-and-a-half weeks on holiday (got to the end of the year with lots of days still to take) that seems about right.
With today's car check, all the pressures were fine except from the spare which had lost its usual 0.1bar (given that it's inflated to 4.2bar that's not surprising). Interestingly the wear pattern on the tread suggests the tyres are actually overinflated, especially the fronts (1mm more worn in the middle than on the edge) - this is a bit odd as the tyres are inflated according to the book... but then again they're lightly loaded as it's usually just me in the car. So as an experiment I've dropped the fronts down from 2.3bar to 2.2 (leaving the rears at 2.1 as they're less uneven), and I'll see what that does to the wear pattern.
I also need to pick up a bottle of oil sometime during this month, as it's down to around 2/3rds on the dipstick.