condition	mean	min	max
4 h after light	3.4	3.4	3.4
8 h after light	5.0	2.8	7.2
12 h after light	4.35	4.1	4.6
4 h after dark	5.85	5.0	6.7
8 h after dark	6.9	6.1	7.7
12 h after dark	12.799999999999999	5.7	19.9