condition mean min max 4 h after light 1125.3 1125.3 1125.3 8 h after light 786.8 652.0 921.6 12 h after light 930.9 567.2 1294.6 4 h after dark 890.8 669.4 1112.2 8 h after dark 855.2 458.4 1252.0 12 h after dark 912.75 869.1 956.4