condition	mean	min	max
4 h after light	17.580209	16.218377	18.942041
8 h after light	18.8337055	18.348387	19.319024
12 h after light	15.7638225	14.39919	17.128455
4 h after dark	19.7562605	18.555047	20.957474
8 h after dark	21.536920000000002	18.918098	24.155742
12 h after dark	27.448589	27.448589	27.448589