condition	mean	min	max
4 h after light	4363.9	4363.9	4363.9
8 h after light	4320.25	4304.2	4336.3
12 h after light	4029.7	3508.2	4551.2
4 h after dark	3119.5	2644.9	3594.1
8 h after dark	2926.9	2821.4	3032.4
12 h after dark	3088.5	2850.6	3326.4