condition	mean	min	max
4 h after light	5.245183333333333	5.05945	5.5560599999999996
8 h after light	5.1413166666666665	4.8476	5.40015
12 h after light	4.8108699999999995	4.696359999999999	4.95582
4 h after dark	4.93272	4.739669999999999	5.13241
8 h after dark	4.8635866666666665	4.81729	4.94105
12 h after dark	4.98745	4.8674800000000005	5.19373