condition mean min max 3 h after light 5.648246666666667 4.54387 6.73622 6 h after light 3.7319066666666667 2.32722 4.79183 9 h after light 8.026263333333334 5.54607 11.1422 12 h after light 17.010255 6.37432 28.4354 3 h after dark 107.71583333333334 69.6115 150.666 6 h after dark 80.2522 62.3787 111.196 9 h after dark 37.4157 27.8804 46.5168 12 h after dark 23.274800000000003 12.8453 33.7043