condition mean min max 4 h after light 786.9079015 760.693595 813.122208 8 h after light 1094.6122599999999 1014.866383 1174.358137 12 h after light 680.726274 471.142848 890.3097 4 h after dark 617.200536 539.160585 695.240487 8 h after dark 632.7383455 474.854909 790.621782 12 h after dark 423.897777 423.897777 423.897777