condition	mean	min	max
0 h after light	16.1149	15.2272	17.0026
4 h after light	11.9511	11.9431	11.9591
8 h after light	9.86037	9.44524	10.2755
4 h after dark	13.81915	12.1657	15.4726
8 h after dark	13.44445	13.3411	13.5478
12 h after dark	17.5509	14.3933	20.7085