condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0546393 0.0515291 0.0577495 4 h after light 0.0126052 0.0 0.0252104 8 h after light 0.0132804 0.0 0.0265608 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 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