condition	mean	min	max
4 h after light	15.0	15.0	15.0
8 h after light	8.85	1.5	16.2
12 h after light	1.8	1.5	2.1
4 h after dark	22.75	2.8	42.7
8 h after dark	4.85	3.1	6.6
12 h after dark	15.5	8.6	22.4