condition	mean	min	max
4 h after light	3.964995	2.67204	5.25795
8 h after light	3.67427	3.65718	3.69136
12 h after light	2.8036149999999997	2.39215	3.21508
4 h after dark	2.404586666666667	2.11082	2.57046
8 h after dark	3.31654	3.28232	3.38078
12 h after dark	3.7387466666666667	3.25267	4.37953