condition mean min max 0 h after light 1.39105 1.2927 1.4894 4 h after light 0.5777760000000001 0.172006 0.983546 8 h after light 1.0390265 0.678713 1.39934 4 h after dark 0.8975935 0.637877 1.15731 8 h after dark 1.125298 0.943656 1.30694 12 h after dark 0.7124895 0.481074 0.943905