condition mean min max 4 h after light 10.7591215 10.17839 11.339853 8 h after light 9.767778 9.43318 10.102376 12 h after light 10.3203685 9.764992 10.875745 4 h after dark 9.657370499999999 9.136351 10.17839 8 h after dark 10.1628395 10.147289 10.17839 12 h after dark 10.836057 10.836057 10.836057