condition	mean	min	max
0 h after light	14.1547	13.1836	15.1258
4 h after light	9.44631	9.03716	9.85546
8 h after light	6.09832	5.84083	6.35581
4 h after dark	13.41355	11.8184	15.0087
8 h after dark	13.9301	13.4805	14.3797
12 h after dark	16.40225	16.3024	16.5021