condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.09002953333333334 0.0 0.171718 12 h after light 0.06522436666666667 0.0 0.143509 3 h after dark 0.04463726666666667 0.0 0.07371 6 h after dark 0.041950666666666664 0.0 0.125852 9 h after dark 0.042471 0.0 0.127413 12 h after dark 0.0502261 0.0 0.0884713