Coolest July 21 recorded in Nashville as cool wave continues in Tenn. - WHNT Also, related news. The Next Ice Age Now reported that there were record low temperatures recorded in 31 states this month. 256 new record low temperatures were either set or tied nationally. Record low temperatures in 21 states And parts of Michigan are up to 7 degrees below the previous record! Blame the sun! It's energy output is reaching its solar minimum in it's solar cycle on energy output (i.e. the number of sunspots). http://solarscience.auditblogs.com/2009/07/17/this-quiet-sun/ Sun Entering Weakest Cycle Since 1928 - US News and World Report SPACE.com -- Sun's Strange Lull Explained SPACE.com -- The Sun Has Spots, Finally Are we going see very cold and early winters over the next few years or so?