condition	mean	min	max
4 h after light	279.4	279.4	279.4
8 h after light	231.8	182.5	281.1
12 h after light	173.45	156.2	190.7
4 h after dark	184.6	123.0	246.2
8 h after dark	174.35	151.2	197.5
12 h after dark	192.35	174.2	210.5