Chart Discription

This chart shows the average usage condition of DC Metro during a day. At a time, the number of people using DC Metro is from about 100 to 400. Starting at 6:00 a.m., the number continues to rise, reaching a peak at 7:00, and then decrease to below 200. Subsequently the number rises slowly to a plateau at 12:00, with the number around 300. Afterward there is a dip at 16:00 reaching to the lowest usage amount. Following is another spike around 18:00, which is the second rush hour in a day. After 20:00 the number becomes relatively stable, with only slight fluctuation.