The global average combined land and ocean surface temperature for the month of June 2010 was the warmest on record. The National Climatic Data Center calculated that June's average temperature was 61.1°F (16.2°C), which is 1.22°F (0.68°C) above the 20th century average of 59.9°F (15.5°C). The ERSST data shown here plots areas that were warmer than the climatic average in red, areas cooler than the average in blue, and areas around the average temperature for June in white. Almost all land on the planet experienced average or higher than average temperatures, except for a few areas of the Northwest U.S., Nordic Europe, India, and Central Australia.