condition mean min max 4 h after light 0.680902 0.630588 0.731216 8 h after light 0.992896 0.986441 0.999351 12 h after light 1.1029499999999999 1.07557 1.13033 4 h after dark 1.24678 1.15048 1.38113 8 h after dark 0.5494643333333333 0.501219 0.611856 12 h after dark 0.7256386666666667 0.674104 0.794706