condition	mean	min	max
4 h after light	4.4091000000000005	3.76244	5.05576
8 h after light	3.593305	3.07213	4.11448
12 h after light	12.0598	11.6128	12.5068
4 h after dark	12.1116	12.0247	12.1985
8 h after dark	11.44614	9.86058	13.0317
12 h after dark	10.473255	9.08151	11.865