condition mean min max 4 h after light 407.288913 325.281446 489.29638 8 h after light 558.4498695 510.72244 606.177299 12 h after light 523.383792 471.931409 574.836175 4 h after dark 546.1555089999999 478.616672 613.694346 8 h after dark 516.883878 448.9661 584.801656 12 h after dark 279.296802 279.296802 279.296802