WASHINGTON -- The summer of 2015 was the warmest on record in 135 years, federal scientists said on Thursday.

The period from June through August this year registered “the highest” average temperature across land and ocean surfaces on the planet, according to data released by the National Oceanic and Atmospheric Administration.

During the three-month time span, global land and ocean temperatures jumped up 1.53 degrees Fahrenheit above the 20th century average, beating the record set in 2014 by .20 degrees Fahrenheit. The graph below, from the National Oceanic And Atmospheric Administration, illustrates how much higher temperatures are than in previous record-breaking years.

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