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The air temperature decreases as you go higher. On the average temperature decreases about 6.5 degrees Celsius for each kilometer.
On average, temperature decreases with height in the troposphere. The troposphere is bounded by the earth's surface and the tropopause (located at about 150 millibars in the tropics and 300 mb at high latitudes). In the troposphere on any given day, there are various layers between the surface and the tropopause where the lapse rates are far from average (the average environmental lapse rate is near 6.5 degrees C/km). Rawinsonde weather balloons measure temperature as they rise (this is the plot of the environmental lapse rate). Under certain conditions, the lapse rate in the atmosphere (defined as the change in temperature with height) is much above or much below normal.
More info on the question 'Wikipedia says 17C is an average, but my book says the highest is 17C and -55C is the lowest which sounds pretty annoying' .
Troposphere
Geography, proximity to water, landscape, continent location, and eastern versus western hemisphere can all affect temperature.
The air temperature decreases as you go higher. On the average temperature decreases about 6.5 degrees Celsius for each kilometer.
Air temperature drops an average of 6.5 degrees Celsius per every 1000 feet.
The close the latitude is to 0, the hotter it is.
85km
the average elevation of Europe is 980 Ft.
On average, temperature decreases with height in the troposphere. The troposphere is bounded by the earth's surface and the tropopause (located at about 150 millibars in the tropics and 300 mb at high latitudes). In the troposphere on any given day, there are various layers between the surface and the tropopause where the lapse rates are far from average (the average environmental lapse rate is near 6.5 degrees C/km). Rawinsonde weather balloons measure temperature as they rise (this is the plot of the environmental lapse rate). Under certain conditions, the lapse rate in the atmosphere (defined as the change in temperature with height) is much above or much below normal.
More info on the question 'Wikipedia says 17C is an average, but my book says the highest is 17C and -55C is the lowest which sounds pretty annoying' .
average elevation is 2933ft.
Florida (average elevation 98 feet vs Arkansas average elevation 650 feet)
By its heat energy content, yes. But the thin upper atmospheric layer called the thermosphere is hotter, considering the average temperature of the individual molecules there, which can exceed 1500 degrees Celsius.
The answer depends on whether you want to measure its area, population, temperature, average elevation, rainfall, etc.
Atlantic ocean has a lower average temperature