=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 14-Jul-2010 :
Data for Pevek 1950-2000 were previously on the database these were copied and stored in a box file on the top of one of the PSMSL roller front cupboards. Revised values for 1950-2009 were
downloaded from the Arctic and antarctic website and loaded onto the database. The RLR factor remains 7.000m as before.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 13-Aug-2013 :
Following the recent download of data it was noted that some of the historic values differed slightly. Because of this the whole dataset has been re-loaded

