Thursday, November 22, 2018

October 2018: Earth's 2nd Warmest October on Record

Dr. Jeff Masters · November 19, 2018, 8:48 PM EST

October 2018 was the planet's second-warmest October since record keeping began in 1880, said NOAA's National Centers for Environmental Information (NCEI) on Tuesday. The only warmer October came in 2015. NASA also rated October 2018 as the second-warmest October on record behind 2015. Minor differences in rankings between NASA and NOAA can arise because of how they handle data-sparse regions such as the Arctic, where few surface weather stations exist.

Global ocean temperatures during October 2018 were the second warmest on record, and land temperatures were also the second warmest on record, according to NOAA.


Arctic sea ice extent last month had the third lowest average October extent in the 40-year satellite record, according to the National Snow and Ice Data Center (NSIDC). In the Antarctic, the annual maximum extent came on October 2, and was the fourth lowest maximum in the satellite record—higher than the 1986, 2002, and 2017 maxima.


So far in 2018, five nations have broken an all-time record for hottest temperature in recorded history:

Palau: 95°F (35°C) at Koror on March 22
Algeria: 124.3°F (51.3°C) at Ourgla on July 5
Taiwan: 104.5°F (40.3°C) at Tianxiang on July 10
Japan: 106.0°F (41.1°C) at Kumagaya on July 23
South Korea: 105.8°F (41.0°C) at Hongcheon on August 1

No nations have set an all-time cold temperature record so far in 2018.



These are statistics for the world as a whole. Not every spot shared in the warmer than average temperatures.

Meanwhile, North America's October temperature was 0.07°C (0.13°F) below average, marking the first time October temperatures were below average since 2009.


Averaged as a whole, the temperature across the global land and ocean surfaces was 0.86°C (1.55°F) above the 20th century average and placed as the second highest October temperature since global records began in 1880. The record warm October was set in 2015 at +0.99°C (+1.78°F). This marks the 42nd consecutive October and the 406th consecutive month with temperatures, at least nominally, above the 20th century average.

So it has been a continuous period of 33 years and 10 months with EVERY month being above the 20th century average


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