condition	mean	min	max
4 h after light	8.03366	7.54461	8.52271
8 h after light	3.974905	3.66758	4.28223
12 h after light	2.5958300000000003	2.29706	2.8946
4 h after dark	2.270325	1.62942	2.91123
8 h after dark	4.107	4.08884	4.12516
12 h after dark	4.55076	3.76405	5.33747