Figure 6: Monthly Variation in Los Angeles’ a.m. and p.m. Congested Hours due to Seasonal Factors,,
Difference in congested hours per day from the trendline,,
,Los Angeles a.m. seasonality,Los Angeles p.m.seasonality
Jan,-0.036501081,0.017731417
Feb,0.329889582,0.390577617
Mar,0.453568413,0.408035484
Apr,-0.134087917,-0.50161922
May,-0.006589382,-0.646133603
Jun,-0.041541994,-0.152185653
Jul,0.093573487,0.039918881
Aug,-0.64747353,-0.215906585
Sep,0.224786289,0.025733948
Oct,0.203645277,0.089306815
Nov,0.4085831,0.275172683
Dec,-0.847852242,0.269368216
"SOURCE: Calculated from data used in preparation of Federal Highway Administration, Urban Congestion Report, April 2004 – April 2007.",,