37th Year

Depending on which report you read, 2013 was either a tie for the fourth warmest or a tie for the seventh warmer year since 1880 with a temperature anomaly of about 0.6 degrees Celsius above the 20th century baseline.  In either case, the mean global temperature was above that baseline for the 37th consecutive year.

Update (February 13):  Coastal flooding may cost $100 trillion per year by 2100.