condition mean min max 4 h after light 6.232993333333334 3.10773 11.4366 8 h after light 4.28319 1.09987 7.23906 12 h after light 6.22675 3.41527 10.977 4 h after dark 6.92845 5.6163 8.27671 8 h after dark 6.607153333333334 3.49776 9.04559 12 h after dark 12.674233333333333 10.3768 15.4249