condition	mean	min	max
4 h after light	17.6	17.6	17.6
8 h after light	6.1499999999999995	1.1	11.2
12 h after light	1.35	0.8	1.9
4 h after dark	23.75	18.7	28.8
8 h after dark	11.3	5.5	17.1
12 h after dark	14.85	2.4	27.3