condition	mean	min	max
4 h after light	6971.9	6971.9	6971.9
8 h after light	6795.85	6494.4	7097.3
12 h after light	6144.65	5341.1	6948.2
4 h after dark	4901.0	4751.9	5050.1
8 h after dark	5301.15	4697.2	5905.1
12 h after dark	6136.35	5770.9	6501.8