condition mean min max 4 h after light 412.5651775 314.078211 511.052144 8 h after light 353.29107999999997 351.953473 354.628687 12 h after light 769.4703455 642.919675 896.021016 4 h after dark 374.7212875 142.531926 606.910649 8 h after dark 509.7086885 471.937708 547.479669 12 h after dark 344.973463 344.973463 344.973463