Environment Counts | Earth’s warmest May on record recorded by NOAA :
According to the National Climatic Data Center’s latest State of the Climate the combined average temperature over global land and ocean surfaces for May 2014 was the record highest for the month since 1880, at 15.54Â°C or 0.74Â°C above the 20th century average. The margin of error associated with this temperature is Â±0.07Â°C. Across the oceans, the global monthly-averaged sea surface temperature was 0.59Â°C higher than the 20th century average, making May 2014 the highest May temperature on record. The average land surface temperature for the globe was the fourth highest for May in the 135-year period of record, at 1.13Â°C higher than average.