condition mean min max 3 h after light 0.03732033333333334 0.0 0.111961 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.041427 0.0 0.124281 3 h after dark 0.287191 0.0 0.548758 6 h after dark 0.0763914 0.0 0.131483 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0