condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.029372766666666664 0.0 0.0881183 12 h after light 0.019305199999999998 0.0 0.0579156 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