The graph shows information about the numbers of people who use the underground station in London around the clock of a typical day. As is observed from the graph, the busiest times at underground station are 8:00 am and 6:00 pm
At 6:00 am around 100 underground passengers can be found at the stations and this number increases seamlessly until 8:00 am when the passengers' number reaches to 400. After 8:00 am the number declines steadily until 10:00 am when it reaches at around 180. The number keeps fluctuating until 4:00 pm and on an average 200 passengers can be observed during this period. After 4:00 pm the passenger number increases and reaches at 380 at around 6:00 pm. After 6:00 pm, the passenger number decreases with some fluctuations until 10:00 pm.
In conclusion, the graph shows this number decline, with less than 100 people using the station at 4:00 pm. At 6:00 pm this number is reached at 380. After 7:00 pm, the total number of passengers declines significantly and fluctuates for the last two hours from 8:00 pm to 10:00 pm.