condition	mean	min	max
4 h after light	5.38382	5.21282	5.64513
8 h after light	5.20361	5.1415	5.27214
12 h after light	5.42664	5.24054	5.77034
4 h after dark	5.309213333333334	5.0620400000000005	5.43695
8 h after dark	5.33572	5.22609	5.47469
12 h after dark	5.4502999999999995	5.21241	5.905069999999999