condition	mean	min	max
4 h after light	16.5811335	15.437899	17.724368
8 h after light	15.064404	14.203573	15.925235
12 h after light	16.397694	15.517368	17.27802
4 h after dark	15.1601635	14.777669	15.542658
8 h after dark	17.79897	15.249972	20.347968
12 h after dark	20.128682	20.128682	20.128682