condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.12929266666666667 0.0 0.387878 12 h after light 0.11223133333333334 0.0 0.336694 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0