condition mean min max 0 h after light 195.02550000000002 190.692 199.359 4 h after light 156.80349999999999 137.648 175.959 8 h after light 258.844 238.326 279.362 4 h after dark 309.5385 263.233 355.844 8 h after dark 222.7865 217.556 228.017 12 h after dark 158.112 157.641 158.583