condition	mean	min	max
4 h after light	257.8	257.8	257.8
8 h after light	258.55	251.8	265.3
12 h after light	229.2	225.5	232.9
4 h after dark	240.9	226.8	255.0
8 h after dark	324.5	248.9	400.1
12 h after dark	295.8	247.4	344.2