condition	mean	min	max
0 h after light	3.343385	3.10908	3.57769
4 h after light	3.6373550000000003	2.85483	4.41988
8 h after light	5.8079149999999995	5.13372	6.48211
4 h after dark	6.531775	6.24773	6.81582
8 h after dark	4.70838	4.15262	5.26414
12 h after dark	3.5091650000000003	3.22851	3.78982