Figure 4: Monthly Variation in Chicago's a.m. and p.m. Congested Hours due to Seasonal Factors
Thursday, September 6, 2012
Figure 4: Monthly Variation in Chicago's a.m. and p.m. Congested Hours due to Seasonal Factors
Difference in congested hours per day from the trendline
Excel | CSV | Graphic Version
| Chicago a.m. seasonality | Chicago p.m. seasonality | |
|---|---|---|
| Jan | –0.245165442 | –0.605827169 |
| Feb | –0.084182157 | –0.147749343 |
| Mar | 0.035632796 | 0.003986149 |
| Apr | –0.110858715 | –0.273936229 |
| May | 0.225472607 | 0.140869226 |
| Jun | 0.239583226 | 0.286036385 |
| Jul | 0.080465845 | 0.156858877 |
| Aug | 0.075731797 | 0.162688703 |
| Sep | 0.317944749 | 0.356786195 |
| Oct | 0.307007035 | 0.239467687 |
| Nov | 0.032339987 | –0.161825154 |
| Dec | –0.873971728 | –0.157355328 |
SOURCE: Calculated from data used in preparation of Federal Highway Administration, Urban Congestion Report, April 2004-April 2007.