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Summary Reports

Assessing the U.S. Climate in November 2018

December 7, 2018
During November, the average contiguous U.S. temperature was 40.1°F, 1.6°F below the 20th century average.

Assessing the Global Climate in October 2018

November 20, 2018
The global land and ocean temperature departure from average for October 2018 was second highest on record for the month of October.

Assessing the U.S. Climate in October 2018

November 7, 2018
During October 2018, the average contiguous U.S. temperature was 53.8°F, 0.3°F below the 20th century average.

Assessing the Global Climate in September 2018

October 17, 2018
The global land and ocean temperature departure from average for September 2018 was fourth highest on record for the month of September.

Assessing the U.S. Climate in September 2018

October 9, 2018
During September 2018, the average contiguous U.S. temperature was 67.8°F, 2.9°F above the 20th century average.

Assessing the Global Climate in August 2018

September 18, 2018
The global land and ocean temperature departure from average for August 2018 was the fifth highest on record for the month of August.

Assessing the U.S. Climate in August 2018

September 6, 2018
During August 2018, the average contiguous U.S. temperature was 73.6°F, 1.5°F above the 20th century average.

Assessing the Global Climate in July 2018

August 20, 2018
The global land and ocean temperature departure from average for July 2018 was the fourth highest on record for the month of July.

Assessing the U.S. Climate in July 2018

August 8, 2018
During July 2018, the average contiguous U.S. temperature was 75.5°F, 1.9°F above the 20th century average.

A Special Report on Climate Science

September 21, 2018
The U.S. Global Change Research Program released the Climate Science Special Report, Volume 1 of the Fourth National Climate Assessment.