This is a diagram of the temperature profile of Jupiter's mesosphere.
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Image from: Arizona Press
Jupiter's Mesosphere Temperature Profile
This is the temperature profile of Jupiter's mesosphere. The temperature is the same at all heights until the mesopause, or "top" of the mesosphere is reached. As shown in the figure, the mesopause is placed at one millionth of a bar of pressure (one million times less than the pressure at the surface of the earth), at the elbow where the temperature again begins to increase with height. Pressure is a relative way of measuring the altitude where changes happen. It is relative because there is no way to know the exact location of the surface of Jupiter. Nevertheless, a millionth of a bar of pressure corresponds to about miles in altitude above the tropopause in Jupiter's atmosphere.
The graph shows that the temperature is about 170 K (-153 degrees). Compare the changes in the mesosphere with those in the thermosphere.
For a picture showing how the temperature changes in whole atmosphere, click here.
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