condition mean min max 4 h after light 797.9 797.9 797.9 8 h after light 767.45 740.6 794.3 12 h after light 924.9000000000001 882.6 967.2 4 h after dark 898.4000000000001 844.7 952.1 8 h after dark 1010.95 842.0 1179.9 12 h after dark 775.0 676.5 873.5