condition	mean	min	max
4 h after light	4.828436666666667	4.80893	4.86745
8 h after light	5.0022	4.91173	5.10807
12 h after light	4.9264399999999995	4.85457	5.03728
4 h after dark	4.9355	4.81475	5.12244
8 h after dark	4.937633333333333	4.8583300000000005	5.0873099999999996
12 h after dark	4.881166666666667	4.84449	4.91862