condition	mean	min	max
4 h after light	2.76859	2.26744	3.26974
8 h after light	4.39738	3.86532	4.92944
12 h after light	3.9426449999999997	3.48298	4.40231
4 h after dark	4.129213333333333	3.48595	4.55053
8 h after dark	3.182436666666667	2.92199	3.63621
12 h after dark	3.80419	3.05215	4.43748