condition mean min max 4 h after light 778.1 778.1 778.1 8 h after light 933.6 818.2 1049.0 12 h after light 1107.15 1073.4 1140.9 4 h after dark 1369.8000000000002 1223.7 1515.9 8 h after dark 1600.3 1521.6 1679.0 12 h after dark 1366.5500000000002 1135.7 1597.4