Polar Plot of a Year's Hourly Temperatures

Hourly temperatures (°F) at Washington, DC for January 10 through December 31, 2004 are presented in a polar plot as radial lines or points. By moving the slider the magnitudes of all available temperatures for a specified hour of the day are presented as their distance from the plot's center.


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The function transforms angles from geometric to geodetic. For example, the geometric angle of 90 degrees must become zero degrees to be at the 12 o'clock position; geometric 0 degrees must become 90 degrees to be at 3 o'clock, etc.


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