condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.198431 0.0 0.396862 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.452209 0.0 0.904418 2 h after dark 0.2039255 0.0 0.407851 4 h after dark 0.0 0.0 0.0 8 h after dark 0.66838 0.0 1.33676 12 h after dark 0.0 0.0 0.0