condition mean min max 0 h after light 0.0176763 0.0 0.0353526 4 h after light 0.105545 0.071915 0.139175 8 h after light 0.0 0.0 0.0 4 h after dark 0.0347274 0.0346589 0.0347959 8 h after dark 0.01737795 0.0 0.0347559 12 h after dark 0.05209565 0.0352422 0.0689491