condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.1611495 0.0 0.966897 10 h after light 0.16018183333333333 0.0 0.961091 14 h after light 0.92669 0.0 2.0087 18 h after light 0.15571566666666667 0.0 0.934294 2 h after dark 0.160879 0.0 0.965274