condition mean min max 2 h after light 0.019351316666666667 0.0 0.0603813 6 h after light 0.056593033333333334 0.0 0.172455 10 h after light 0.0 0.0 0.0 14 h after light 0.03810085 0.0 0.0641861 18 h after light 0.0260334 0.0 0.0584236 2 h after dark 0.028602866666666667 0.0 0.0626112