condition	mean	min	max
4 h after light	7.5238	7.49262	7.55498
8 h after light	9.037645	8.7785	9.29679
12 h after light	8.026195000000001	7.89245	8.15994
4 h after dark	8.947895	7.70179	10.194
8 h after dark	7.7513950000000005	7.47738	8.02541
12 h after dark	8.74812	8.54758	8.94866