condition	mean	min	max
4 h after light	3.022065	2.81981	3.22432
8 h after light	3.50346	3.43858	3.56834
12 h after light	3.923835	3.48961	4.35806
4 h after dark	5.625109999999999	5.49003	5.76019
8 h after dark	4.95415	4.89168	5.01662
12 h after dark	4.230405	4.12929	4.33152