condition	mean	min	max
4 h after light	3.75877	3.24739	4.27015
8 h after light	3.167465	2.97627	3.35866
12 h after light	3.66663	3.35465	3.97861
4 h after dark	3.6757150000000003	3.22695	4.12448
8 h after dark	3.6241649999999996	3.52587	3.72246
12 h after dark	4.120385	3.9633	4.27747