condition	mean	min	max
4 h after light	2.87387	2.533	3.21474
8 h after light	3.5537400000000003	3.31889	3.78859
12 h after light	3.488705	3.42562	3.55179
4 h after dark	4.271156666666667	4.14384	4.43212
8 h after dark	3.4681	2.6445	4.22548
12 h after dark	3.4449866666666664	3.01422	4.16625