condition mean min max 4 h after light 11.879856499999999 10.5906 13.169113 8 h after light 12.3361005 12.325825 12.346376 12 h after light 14.020693 12.093152 15.948234 4 h after dark 11.632041999999998 11.177392 12.086692 8 h after dark 13.451455 12.43557 14.46734 12 h after dark 11.634374 11.634374 11.634374