condition	mean	min	max
4 h after light	3.4	3.4	3.4
8 h after light	17.65	6.0	29.3
12 h after light	7.75	7.4	8.1
4 h after dark	16.5	3.4	29.6
8 h after dark	4.35	3.4	5.3
12 h after dark	9.75	4.9	14.6