condition	mean	min	max
4 h after light	13.642282000000002	13.406311	13.878253
8 h after light	14.798857	14.082116	15.515598
12 h after light	11.5120335	10.246431	12.777636
4 h after dark	10.9698885	10.841107	11.09867
8 h after dark	11.288134	10.693909	11.882359
12 h after dark	14.119402	14.119402	14.119402