condition	mean	min	max
4 h after light	16.5877	15.5038	17.6716
8 h after light	14.47025	14.1377	14.8028
12 h after light	14.521	13.2353	15.8067
4 h after dark	16.35535	15.6292	17.0815
8 h after dark	15.92925	15.8696	15.9889
12 h after dark	17.26175	16.231	18.2925