condition mean min max 0 h after light 616.862 603.997 629.727 4 h after light 95.7527 87.6874 103.818 8 h after light 93.7895 93.6092 93.9698 4 h after dark 37.192949999999996 27.9852 46.4007 8 h after dark 19.4328 18.2838 20.5818 12 h after dark 172.3765 46.394 298.359