condition	mean	min	max
4 h after light	3.1	3.1	3.1
8 h after light	11.8	5.6	18.0
12 h after light	5.6	5.4	5.8
4 h after dark	6.7	5.0	8.4
8 h after dark	27.15	9.0	45.3
12 h after dark	37.5	24.9	50.1