condition	mean	min	max
4 h after light	9.273935	7.57217	10.9757
8 h after light	8.2105	6.84932	9.57168
12 h after light	6.7974250000000005	5.77022	7.82463
4 h after dark	7.855133333333333	6.51282	9.39989
8 h after dark	11.96025	9.81415	13.3825
12 h after dark	9.15577	7.59094	11.1855