condition	mean	min	max
4 h after light	6.209655	6.04475	6.37456
8 h after light	7.7599599999999995	7.73477	7.78515
12 h after light	10.524995	9.27359	11.7764
4 h after dark	11.7599	11.4613	12.0585
8 h after dark	8.63037	8.43819	8.82255
12 h after dark	8.18739	7.959	8.41578