condition mean min max 3 h after light 86.437 83.9691 88.272 6 h after light 52.3855 47.5146 55.9875 9 h after light 42.19286666666667 41.2083 43.2292 12 h after light 46.593666666666664 42.4913 52.5408 3 h after dark 51.3802 48.1865 55.4787 6 h after dark 59.805 53.0861 67.0135 9 h after dark 68.35256666666666 56.6904 82.9222 12 h after dark 70.68169999999999 68.9494 72.8005