condition	mean	min	max
4 h after light	5.4174050000000005	5.11474	5.72007
8 h after light	4.360555	3.71352	5.00759
12 h after light	4.22695	4.05129	4.40261
4 h after dark	5.28482	5.07844	5.60009
8 h after dark	4.588136666666666	3.93675	5.16753
12 h after dark	5.37788	5.02662	6.02693