condition	mean	min	max
4 h after light	2.3	2.3	2.3
8 h after light	7.85	5.0	10.7
12 h after light	13.899999999999999	5.9	21.9
4 h after dark	17.8	8.3	27.3
8 h after dark	21.35	8.8	33.9
12 h after dark	11.399999999999999	4.4	18.4