condition	mean	min	max
4 h after light	254.1	254.1	254.1
8 h after light	300.05	265.6	334.5
12 h after light	304.1	263.4	344.8
4 h after dark	277.1	260.7	293.5
8 h after dark	262.8	230.5	295.1
12 h after dark	225.85	223.7	228.0