condition mean min max 2 h after light 7.63503 6.82514 8.11547 6 h after light 7.671743333333334 7.52153 7.84239 10 h after light 7.47948 6.58712 9.12642 2 h after dark 11.151133333333334 10.2455 11.9611 6 h after dark 16.762333333333334 15.1729 17.7283 10 h after dark 14.9183 14.3344 15.3992