condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.20479233333333333 0.0 0.541226 10 h after light 0.216977 0.0 0.595086 14 h after light 0.062906 0.0 0.377436 18 h after light 0.274346 0.0 0.403539 2 h after dark 0.17095866666666668 0.0 0.597677