condition	mean	min	max
4 h after light	4.2	4.2	4.2
8 h after light	7.7	6.5	8.9
12 h after light	10.85	3.7	18.0
4 h after dark	43.05	29.8	56.3
8 h after dark	21.8	6.2	37.4
12 h after dark	22.9	16.5	29.3