condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.1277873 0.0609389 0.191339 9 h after light 0.04787266666666667 0.0 0.143618 12 h after light 0.148434475 0.0601281 0.405183 3 h after dark 0.09943433333333333 0.0 0.298303 6 h after dark 0.1891884 0.0743042 0.386554 9 h after dark 0.11319266666666666 0.0 0.339578 12 h after dark 0.320214 0.295407 0.345021