condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.067716 0.0 0.135432 4 h after light 0.0 0.0 0.0 8 h after light 0.062289 0.0 0.124578 12 h after light 0.0605775 0.0 0.121155 2 h after dark 0.0 0.0 0.0 4 h after dark 0.060163 0.0 0.120326 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0