condition	mean	min	max
4 h after light	5.06508	4.46402	5.66614
8 h after light	6.54603	6.52156	6.5705
12 h after light	6.0123999999999995	5.93684	6.08796
4 h after dark	4.904545000000001	4.81639	4.9927
8 h after dark	3.97152	3.93137	4.01167
12 h after dark	4.251735	3.94306	4.56041