condition	mean	min	max
4 h after light	18.8	18.8	18.8
8 h after light	7.25	3.1	11.4
12 h after light	6.0	5.6	6.4
4 h after dark	14.4	7.3	21.5
8 h after dark	6.449999999999999	5.8	7.1
12 h after dark	8.35	6.5	10.2