condition	mean	min	max
4 h after light	4.2797	4.00678	4.55262
8 h after light	6.33577	5.95939	6.71215
12 h after light	9.53574	9.3615	9.70998
4 h after dark	13.546933333333333	12.3756	14.3709
8 h after dark	9.64321	8.87641	10.812
12 h after dark	6.93348	6.63073	7.12958