condition	mean	min	max
4 h after light	16.2522555	16.157366	16.347145
8 h after light	17.69288	17.154434	18.231326
12 h after light	17.0634385	15.557261	18.569616
4 h after dark	16.5948245	15.81588	17.373769
8 h after dark	15.973076500000001	15.599008	16.347145
12 h after dark	14.466785	14.466785	14.466785