condition mean min max 4 h after light 355.171 317.301 393.041 8 h after light 432.8805 402.71 463.051 12 h after light 549.792 529.278 570.306 4 h after dark 1248.6350000000002 1182.88 1314.39 8 h after dark 1092.805 1032.16 1153.45 12 h after dark 721.0185 674.432 767.605