condition	mean	min	max
4 h after light	3.50647	3.16569	3.84725
8 h after light	2.3849650000000002	2.07169	2.69824
12 h after light	2.67388	2.57661	2.77115
4 h after dark	4.604655	4.13705	5.07226
8 h after dark	4.357374999999999	4.28048	4.43427
12 h after dark	4.422835	4.24415	4.60152