condition	mean	min	max
4 h after light	4.227416666666667	4.14543	4.29282
8 h after light	4.147396666666667	4.0441	4.202030000000001
12 h after light	4.16359	3.98288	4.46735
4 h after dark	4.2553600000000005	4.16111	4.4358900000000006
8 h after dark	4.137016666666667	4.01728	4.28482
12 h after dark	4.140106666666666	4.0829699999999995	4.22814