condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.154617 0.0 0.463851 9 h after light 0.0 0.0 0.0 12 h after light 0.11061275 0.0 0.442451 3 h after dark 0.3615633333333333 0.0 1.08469 6 h after dark 0.25868266666666667 0.0 0.776048 9 h after dark 0.8339313333333334 0.0 2.10336 12 h after dark 0.68676 0.537104 0.836416