The cooling effect of volcanoes and cyclical shifts in ocean currents can have a greater negative impact on the accuracy of shorter data periods. (livescience.com)
Perhaps he can no magic up a longer data period (which, I suppose is short in climate terms but, JFC, don't just dismiss it). (declineoftheempire.com)
After the El Nino transient, we have had the most rapid cooling in the whole satellite data period. (notrickszone.com)