condition	mean	min	max
4 h after light	1.9	1.9	1.9
8 h after light	20.7	6.6	34.8
12 h after light	15.899999999999999	7.1	24.7
4 h after dark	12.549999999999999	2.9	22.2
8 h after dark	22.8	22.3	23.3
12 h after dark	10.75	10.3	11.2