condition	mean	min	max
4 h after light	21.9	21.9	21.9
8 h after light	9.35	5.5	13.2
12 h after light	5.6	3.9	7.3
4 h after dark	7.45	5.5	9.4
8 h after dark	8.399999999999999	7.6	9.2
12 h after dark	18.35	16.4	20.3