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 0.03410496666666667 0.0 0.0742264 18 h after light 0.03334218333333333 0.0 0.0793598 2 h after dark 0.012630816666666668 0.0 0.0757849