condition mean min max 2 h after light 0.02903733333333333 0.0 0.174224 6 h after light 0.105336 0.0 0.332205 10 h after light 0.048383 0.0 0.153518 14 h after light 0.14925266666666664 0.0 0.571745 18 h after light 0.102798 0.0 0.298316 2 h after dark 0.022895833333333334 0.0 0.137375