condition	mean	min	max
4 h after light	16.07845	14.7851	17.3718
8 h after light	14.23255	14.0424	14.4227
12 h after light	14.184249999999999	13.7303	14.6382
4 h after dark	20.2552	19.8308	20.5683
8 h after dark	19.7047	17.6106	21.6708
12 h after dark	16.178	15.0852	17.323