condition mean min max 4 h after light 675.5272715 665.127397 685.927146 8 h after light 510.551517 461.043511 560.059523 12 h after light 538.5020314999999 526.686151 550.317912 4 h after dark 721.2652085 545.099163 897.431254 8 h after dark 345.2249505 208.73427 481.715631 12 h after dark 587.386948 587.386948 587.386948