condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.049772533333333334 0.0 0.107001 12 h after light 0.054402266666666664 0.0 0.0928807 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