condition	mean	min	max
4 h after light	14.9	14.9	14.9
8 h after light	10.75	6.9	14.6
12 h after light	21.85	3.0	40.7
4 h after dark	5.75	5.1	6.4
8 h after dark	8.6	4.2	13.0
12 h after dark	11.7	2.4	21.0