condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.111555 0.0 0.182046 9 h after light 0.04781366666666667 0.0 0.143441 12 h after light 0.10936233333333334 0.0 0.189977 3 h after dark 0.5398176666666666 0.0 0.838835 6 h after dark 0.26039999999999996 0.0 0.447993 9 h after dark 0.197724 0.0 0.337338 12 h after dark 0.06915233333333333 0.0 0.207457