A Pattern Analysis of Daily Electric Vehicle Charging Profiles: Operational Efficiency and Environmental Impacts

Table 2

Dataset characteristics based on observed plug-in events.

	Sample size: 8929 plug-in events (different from daily patterns)
	Total parking duration (hours)				Parking with charging (hours)				Parking without charging (hours)
	Mean	Std. dev.	Min	Max	Mean	Std. dev.	Min	Max	Mean	Std. dev.	Min	Max
Whole network	3.9	3.1	0.0	64.1	1.8	1.1	0.0	12.1	2.1	2.8	0.0	61.7
RDT ( = 7051)	4.5	3.2	0.0	64.1	1.9	1.2	0.0	12.1	2.6	2.9	0.0	61.7
OBP ( = 1316)	2.3	1.8	0.0	17.4	1.5	0.9	0.0	4.7	0.7	1.4	0.0	14.4
MVH ( = 562)	1.5	1.3	0.0	9.1	1.3	1.1	0.0	5.4	0.2	0.6	0.0	7.2
Seasons
Winter (Dec., Jan., Feb.) ( = 2250)	4.3	3.1	0.0	26.8	2.0	1.2	0.0	10.6	2.3	2.7	0.0	17.8
Spring (Mar., Apr., May.) ( = 2410)	3.9	2.9	0.0	23.3	1.8	1.1	0.0	10.5	2.1	2.6	0.0	22.2
Summer (Jun., Jul., Aug.) ( = 2086)	3.8	3.1	0.0	33.5	1.6	1.0	0.0	12.1	2.2	2.9	0.0	33.0
Autumn (Sep., Oct., Nov.) ( = 2183)	3.7	3.2	0.0	64.1	1.7	1.1	0.0	11.4	2.0	2.9	0.0	61.7