condition mean min max 4 h after light 1182.2056666666667 1132.5539999999999 1229.883 8 h after light 1012.7473 656.2869 1295.047 12 h after light 985.4933333333333 836.9505 1230.0710000000001 16 h after light 2639.199 2149.297 3579.4629999999997 4 h after dark 1646.9 1566.106 1705.22 8 h after dark 1048.7795333333333 786.1416 1253.28