condition	mean	min	max
4 h after light	4.201536666666667	4.04122	4.32599
8 h after light	4.29506	4.20884	4.46161
12 h after light	4.389153333333333	4.2194199999999995	4.71875
4 h after dark	4.296983333333333	4.18461	4.465
8 h after dark	4.248863333333333	4.18339	4.28757
12 h after dark	4.41261	4.2775300000000005	4.6384099999999995