condition	mean	min	max
0 h after light	2.739985	2.58335	2.89662
4 h after light	2.1347750000000003	1.97044	2.29911
8 h after light	3.09962	3.01876	3.18048
4 h after dark	3.009985	2.8605	3.15947
8 h after dark	3.247775	3.19388	3.30167
12 h after dark	3.24018	3.21151	3.26885