condition mean min max 2 h after light 0.4404365 0.173279 0.705652 6 h after light 0.4130718333333333 0.279813 0.56042 10 h after light 0.3116065 0.153829 0.478247 14 h after light 0.47879150000000004 0.273096 0.726237 18 h after light 0.36042425 0.0947935 0.7302 2 h after dark 0.6956473333333333 0.293452 1.11747