condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 2.51438 0.0 7.55361 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0