condition	mean	min	max
4 h after light	9.8	9.8	9.8
8 h after light	27.1	19.5	34.7
12 h after light	4.45	1.6	7.3
4 h after dark	2.3	0.7	3.9
8 h after dark	18.2	1.1	35.3
12 h after dark	1.4	1.3	1.5