From time to time we have observed at BH that tweaks and corrections and errors in climatological time series always seem to lead to the conclusion "it's worse than we thought". Who can forget the great Bob Watson's remarks to this end in the aftermath of glaciergate?
Anthony Watts reports on the latest in this long line of upwardly mobile adjustments:
...the rate of sea level rise has been bumped up 0.43 mm/yr in the last few years. This sort of thing has been going on more or less regularly and it seems to go only one way.