condition mean min max 3 h after light 2.89433 1.15742 3.78861 6 h after light 16.90719 6.17177 29.2016 9 h after light 38.41563333333333 26.6283 59.4674 12 h after light 37.617900000000006 19.5023 70.2934 3 h after dark 83.71086666666666 68.9725 112.671 6 h after dark 66.1246 47.5606 98.4145 9 h after dark 36.03743333333333 21.3835 47.7513 12 h after dark 11.06615 7.5724 14.5599