condition	mean	min	max
4 h after light	6.1	6.1	6.1
8 h after light	16.75	8.0	25.5
12 h after light	6.85	4.5	9.2
4 h after dark	15.8	2.5	29.1
8 h after dark	45.400000000000006	40.7	50.1
12 h after dark	32.25	30.0	34.5