condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0319378 0.0 0.0958134 4 h after dark 0.0 0.0 0.0 8 h after dark 0.03920266666666667 0.0 0.117608 12 h after dark 0.019798800000000002 0.0 0.0593964