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 1.26686 0.0 7.60116 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0