condition	mean	min	max
4 h after light	16.2911	14.975	17.6072
8 h after light	12.41215	12.1743	12.65
12 h after light	14.02395	12.7464	15.3015
4 h after dark	17.13995	14.7766	19.5033
8 h after dark	15.30025	14.9589	15.6416
12 h after dark	17.10035	15.7351	18.4656