condition mean min max 4 h after light 3049.5577595 3027.274949 3071.84057 8 h after light 3440.145112 3329.025796 3551.264428 12 h after light 3287.0484800000004 3259.903365 3314.193595 4 h after dark 2869.959806 2620.681471 3119.238141 8 h after dark 2234.5211225000003 1937.995922 2531.046323 12 h after dark 3157.924364 3157.924364 3157.924364