condition	mean	min	max
4 h after light	16.684796	12.791553	20.578039
8 h after light	16.25293	16.135099	16.370761
12 h after light	15.2300715	14.835223	15.62492
4 h after dark	15.900944500000001	15.876654	15.925235
8 h after dark	14.5396635	13.897057	15.18227
12 h after dark	10.595576	10.595576	10.595576