condition	mean	min	max
4 h after light	6.5	6.5	6.5
8 h after light	8.15	5.5	10.8
12 h after light	10.399999999999999	4.6	16.2
4 h after dark	6.7	5.4	8.0
8 h after dark	6.45	5.7	7.2
12 h after dark	16.75	11.8	21.7