condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.017838666666666666 0.0 0.053516 12 h after light 0.006225166666666667 0.0 0.0186755 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0