condition	mean	min	max
4 h after light	3.8237500000000004	3.11649	4.53101
8 h after light	4.442155	4.40816	4.47615
12 h after light	5.437255	5.38018	5.49433
4 h after dark	6.99659	6.97055	7.02263
8 h after dark	6.240775	6.22616	6.25539
12 h after dark	5.698725	5.59736	5.80009