condition	mean	min	max
4 h after light	4.3232800000000005	3.91667	4.72989
8 h after light	4.76288	4.24569	5.28007
12 h after light	5.4751650000000005	5.09158	5.85875
4 h after dark	6.9530449999999995	6.6512	7.25489
8 h after dark	7.073969999999999	6.34174	7.8062
12 h after dark	6.088475	6.04015	6.1368