condition	mean	min	max
4 h after light	3163.844059	3068.078211	3259.609907
8 h after light	2803.026847	2599.167791	3006.885903
12 h after light	3057.821016	2803.773491	3311.868541
4 h after dark	3031.6501085	3028.965039	3034.335178
8 h after dark	2183.9383585	1892.629054	2475.247663
12 h after dark	3502.331199	3502.331199	3502.331199