condition mean min max 2 h after light 1.23444 1.05326 1.32585 6 h after light 0.393159 0.080157 0.727216 10 h after light 0.3975536666666667 0.239835 0.521848 2 h after dark 0.6001553333333334 0.391525 0.84256 6 h after dark 0.561223 0.349205 0.918974 10 h after dark 0.963326 0.855051 1.05765