condition mean min max 4 h after light 0.791833 0.214656 1.36901 8 h after light 0.3910535 0.27183 0.510277 12 h after light 0.4018674 0.0991078 0.704627 4 h after dark 0.49715866666666664 0.352467 0.719322 8 h after dark 0.23500333333333334 0.165973 0.290422 12 h after dark 0.497815 0.289676 0.862291