condition	mean	min	max
2 h after light	17.0575	16.0727	17.6279
6 h after light	18.1719	17.5655	18.4922
10 h after light	15.109866666666667	14.4309	15.4782
2 h after dark	10.388753333333334	9.89886	10.6373
6 h after dark	11.4151	10.8724	11.8109
10 h after dark	13.5996	13.1262	13.9654