condition	mean	min	max
4 h after light	8.12733	7.9095699999999995	8.319469999999999
8 h after light	7.857586666666666	7.75612	8.029119999999999
12 h after light	8.198446666666667	8.10211	8.31915
4 h after dark	8.305576666666667	7.963769999999999	8.55369
8 h after dark	8.453330000000001	8.18476	8.63232
12 h after dark	8.690516666666666	8.64691	8.731489999999999