Depends on what average you measure against. We have had 10 consecutive months that were below the 1971-2000 average.It took till December 2003, to return the 10th month that was below the 1971-2000 average starting from January 2001. From January 2011 to June 2013, there have been 18 months that were below the 1971-2000 average.From January 2001, it took to August 2007 to record the 18th month below the 1971-2000 average.