condition mean min max 4 h after light 4.223635 3.55325 4.89402 8 h after light 5.087680000000001 4.66286 5.5125 12 h after light 5.656065 5.1702 6.14193 4 h after dark 6.444 6.07433 6.81367 8 h after dark 5.1239550000000005 4.91484 5.33307 12 h after dark 5.744135 5.39891 6.08936