condition	mean	min	max
4 h after light	2.81433	2.15296	3.4757
8 h after light	8.95012	7.44864	10.4516
12 h after light	9.402095	8.65449	10.1497
4 h after dark	6.38309	4.72398	8.58508
8 h after dark	6.909703333333333	6.06393	8.39518
12 h after dark	7.082129999999999	5.86001	8.22628