condition mean min max 2 h after light 0.11687805 0.0 0.333486 6 h after light 0.20725426666666666 0.0 0.570794 10 h after light 0.23074016666666666 0.108058 0.391981 14 h after light 0.22797345 0.0559587 0.299879 18 h after light 0.23944608333333334 0.0641235 0.412474 2 h after dark 0.13958245 0.0 0.312238