condition mean min max 3 h after light 50.484433333333335 43.5523 55.3933 6 h after light 28.657733333333333 26.7033 30.3311 9 h after light 15.710366666666667 13.4813 18.4124 12 h after light 11.476474999999999 6.21322 24.7185 3 h after dark 5.9924 3.95432 7.0346 6 h after dark 5.69308 4.25464 7.03177 9 h after dark 8.105946666666666 6.23808 9.39634 12 h after dark 15.3631 13.2424 17.4838