condition	mean	min	max
4 h after light	2.3	2.3	2.3
8 h after light	28.75	17.4	40.1
12 h after light	21.15	15.0	27.3
4 h after dark	28.9	24.9	32.9
8 h after dark	30.2	18.5	41.9
12 h after dark	13.5	9.5	17.5