condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 2.2717073333333335 0.695582 3.37582 12 h after light 2.58692 2.02202 3.33433 4 h after dark 3.7653033333333332 2.48704 4.82025 8 h after dark 3.06936 1.22972 4.43413 12 h after dark 0.9686906666666667 0.0 1.94787