I also believe April or May this year we will see the next PR update. Last year's skip were extraordinary in my opinion, but I wanted to hear from all the other DP members, some of which are longer in the business than me.
Last pr update was around 22 jan ( not able to recollect the date), so expect next update around april or after april. There may be some minor pr update in between which is not worth worrying.
There is no way you can predict this type of thing so you shouldn't even worry about it. What will happen will happen and instead of worrying about your pr you should be working on other projects while waiting on google.
After last year's mess, I won't believe Google is back on the old PR schedule until I see three straight quarters without anything hinky.
People usually say they don't care about PR. But at the end during PR update, They usually regret of not getting one when their competitor gets.