condition	mean	min	max
4 h after light	3.171625	2.96471	3.37854
8 h after light	3.602575	3.32132	3.88383
12 h after light	3.392865	3.30405	3.48168
4 h after dark	3.2567666666666666	2.75737	3.81487
8 h after dark	3.24566	2.21305	3.79419
12 h after dark	3.9559366666666667	3.1179	4.92807