condition	mean	min	max
4 h after light	20.0	20.0	20.0
8 h after light	14.2	4.1	24.3
12 h after light	14.399999999999999	5.6	23.2
4 h after dark	8.15	3.5	12.8
8 h after dark	10.35	7.8	12.9
12 h after dark	2.5	1.4	3.6