condition	mean	min	max
4 h after light	4699.7	4699.7	4699.7
8 h after light	4739.2	4562.0	4916.4
12 h after light	4744.85	4528.3	4961.4
4 h after dark	3981.5	3823.1	4139.9
8 h after dark	3856.35	3631.6	4081.1
12 h after dark	3921.3999999999996	3821.7	4021.1