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 0.196896 0.0 0.750714 14 h after light 0.10120933333333333 0.0 0.311087 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0