condition	mean	min	max
4 h after light	3.6129100000000003	3.50236	3.72346
8 h after light	3.021555	2.98932	3.05379
12 h after light	7.209820000000001	7.18109	7.23855
4 h after dark	7.815919999999999	5.84136	9.16509
8 h after dark	8.472813333333333	7.60885	9.40139
12 h after dark	6.299876666666667	5.71779	7.181