condition	mean	min	max
4 h after light	5.093863333333333	5.0126	5.24916
8 h after light	5.07842	4.98871	5.21755
12 h after light	5.261153333333334	4.96491	5.83225
4 h after dark	5.19334	4.96727	5.55399
8 h after dark	5.33831	5.08167	5.6074
12 h after dark	5.243826666666667	5.03873	5.57528