RUSSIAN CLIMATE DATA IS IGNORED BY CRU

This article from Climate Audit Blog reveals rhat the Climate Research Unit at the Uk's Hadley Centre has ignored the majority of Russian Temperature measurements, using only 40% of those available. Siberia is a place where global warming is said by the alarmists to be warming more than most, so it does seem strange to say the least, that they are using only a small precentage of sites and presumably 'interpolating' the figures for the areas that are missing. There could be an innocent explanation for this. If so, let's hear it.