condition	mean	min	max
0 h after light	15.01115	12.8145	17.2078
4 h after light	20.738149999999997	19.7058	21.7705
8 h after light	23.60125	23.097	24.1055
4 h after dark	19.85805	18.695	21.0211
8 h after dark	17.09525	16.7976	17.3929
12 h after dark	14.742899999999999	14.4302	15.0556