condition mean min max 4 h after light 0.0050386 0.0 0.0100772 8 h after light 0.387756 0.0 0.775512 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.063258 0.0 0.189774 12 h after dark 0.2636343333333333 0.0 0.60569