condition	mean	min	max
4 h after light	4.540816666666666	4.395519999999999	4.6716
8 h after light	4.67896	4.5240800000000005	4.77418
12 h after light	4.5250699999999995	4.307869999999999	4.65876
4 h after dark	4.466226666666667	4.2964	4.57063
8 h after dark	4.47363	4.46526	4.48441
12 h after dark	4.430023333333334	4.21226	4.72668