condition mean min max 4 h after light 336.675028 276.579538 396.770518 8 h after light 391.3157035 371.091658 411.539749 12 h after light 360.671945 354.367041 366.976849 4 h after dark 501.726336 411.768542 591.68413 8 h after dark 596.946724 526.227878 667.66557 12 h after dark 378.170323 378.170323 378.170323