condition	mean	min	max
4 h after light	14.2	14.2	14.2
8 h after light	24.95	8.6	41.3
12 h after light	11.4	3.1	19.7
4 h after dark	30.1	19.7	40.5
8 h after dark	13.4	5.3	21.5
12 h after dark	39.5	10.4	68.6