condition	mean	min	max
4 h after light	17.6	17.6	17.6
8 h after light	5.35	5.0	5.7
12 h after light	18.200000000000003	4.2	32.2
4 h after dark	25.25	8.6	41.9
8 h after dark	24.849999999999998	13.9	35.8
12 h after dark	19.95	2.0	37.9