condition	mean	min	max
4 h after light	3.1150450000000003	2.94322	3.28687
8 h after light	1.87723	1.7537	2.00076
12 h after light	2.6646549999999998	2.3149	3.01441
4 h after dark	3.3692349999999998	3.34104	3.39743
8 h after dark	6.2962050000000005	6.19918	6.39323
12 h after dark	4.94335	4.789	5.0977