condition	mean	min	max
4 h after light	10.267455	9.36301	11.1719
8 h after light	18.1817	18.1796	18.1838
12 h after light	18.0737	16.8174	19.33
4 h after dark	22.9789	20.6284	25.3294
8 h after dark	22.9631	22.099	23.8272
12 h after dark	15.5914	14.5164	16.6664