condition	mean	min	max
0 h after light	8.725055000000001	8.22883	9.22128
4 h after light	6.593655	6.48519	6.70212
8 h after light	7.005475000000001	6.63156	7.37939
4 h after dark	10.514500000000002	10.4783	10.5507
8 h after dark	8.746825	8.64787	8.84578
12 h after dark	8.608495	7.34807	9.86892