condition mean min max 3 h after light 1366.51 1080.32 1890.08 7 h after light 1406.6016666666667 1113.4 2035.23 11 h after light 1244.5945 937.584 1611.22 2 h after dark 1234.43475 964.977 1629.83 6 h after dark 1240.6025 1004.64 1549.36 10 h after dark 1269.9105 872.503 1944.8