condition	mean	min	max
4 h after light	2.738665	2.54549	2.93184
8 h after light	2.468175	2.15269	2.78366
12 h after light	1.92969	1.68357	2.17581
4 h after dark	4.54419	3.85852	5.22986
8 h after dark	3.655995	3.45473	3.85726
12 h after dark	3.509895	3.42315	3.59664