Sentences with phrase «average air temperatures around»
Average air temperatures around the world are rising.
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Pavements, including roads and parking lots, can cover one - third or more of a typical U.S. city, and previous studies have shown that cool pavements can reduce a city's average outside air temperature by around 0.5 degrees Celsius, depending on the extent of deployment, city size, and city location.
Over the past 60 years, Alaska has warmed more than twice as rapidly as the rest of the United States, with state - wide average annual air temperature increasing by 3 °F and average winter temperature by 6 °F, with substantial year - to - year and regional variability.1 Most of the warming occurred around 1976 during a shift in a long - lived climate pattern (the Pacific Decadal Oscillation [PDO]-RRB- from a cooler pattern to a warmer one.
The slowdown or «hiatus» in warming refers to the period since 2001, when despite ongoing increases in atmospheric greenhouse gases, Earth's global average surface air temperature has remained more or less steady, warming by only around 0.1 C.