condition	mean	min	max
4 h after light	7.600969999999999	7.3037399999999995	7.8001
8 h after light	7.988293333333333	7.76081	8.12829
12 h after light	7.2814266666666665	7.22715	7.31301
4 h after dark	7.935359999999999	7.54028	8.194939999999999
8 h after dark	8.455746666666666	8.25215	8.61298
12 h after dark	8.86802	8.560989999999999	9.249239999999999