condition	mean	min	max
4 h after light	5.462106666666666	2.76971	7.41632
8 h after light	3.8971799999999996	1.09628	6.48438
12 h after light	4.97395	2.81616	7.21355
4 h after dark	7.613123333333333	5.72854	9.09304
8 h after dark	7.633296666666666	5.65986	9.33352
12 h after dark	7.29844	5.80571	9.24169