condition mean min max 3 h after light 47.63503333333333 42.8926 55.0268 6 h after light 46.589866666666666 38.8552 51.4474 9 h after light 48.4825 43.7897 55.6233 12 h after light 58.379975 44.518 80.9418 3 h after dark 91.5308 89.593 92.7729 6 h after dark 92.6508 82.998 100.116 9 h after dark 75.17676666666667 70.3878 79.8477 12 h after dark 75.6779 70.6394 80.7164