condition	mean	min	max
4 h after light	3.2	3.2	3.2
8 h after light	7.15	1.9	12.4
12 h after light	19.35	14.1	24.6
4 h after dark	22.85	22.5	23.2
8 h after dark	8.85	2.1	15.6
12 h after dark	15.8	6.1	25.5