condition	mean	min	max
4 h after light	2.0	2.0	2.0
8 h after light	4.0	2.0	6.0
12 h after light	16.7	4.6	28.8
4 h after dark	9.399999999999999	8.7	10.1
8 h after dark	5.75	1.6	9.9
12 h after dark	25.4	25.0	25.8