condition	mean	min	max
4 h after light	21.2427	21.1252	21.3602
8 h after light	11.1244	10.8446	11.4042
12 h after light	4.367710000000001	4.19524	4.54018
4 h after dark	3.9839266666666666	3.42181	4.45637
8 h after dark	4.68855	3.96488	5.4683
12 h after dark	10.501393333333333	8.63288	11.4994