condition mean min max 4 h after light 9.161144 4.094832 12.97869 8 h after light 3.2382893333333334 2.687061 3.9704089999999996 12 h after light 5.866026000000001 4.429683 7.188019000000001 16 h after light 9.412792333333334 7.8443830000000005 10.974110000000001 4 h after dark 11.696319666666666 7.846628999999999 13.7945 8 h after dark 6.88455 4.71611 8.599121