condition mean min max 4 h after light 569.6526333333333 527.0668 607.5024 8 h after light 699.4105999999999 666.1681 762.204 12 h after light 505.1103 425.1775 606.852 16 h after light 576.0957333333333 498.0204 705.8959 4 h after dark 898.3301 814.2272 977.4802 8 h after dark 570.1727333333333 439.9573 646.4619