condition mean min max 4 h after light 12.489866333333334 8.157569 18.69044 8 h after light 10.679282 6.520496 14.788120000000001 12 h after light 6.964035 5.6794199999999995 9.088388 16 h after light 19.003813333333333 13.68251 27.696709999999996 4 h after dark 20.213403333333332 14.23939 26.005489999999998 8 h after dark 11.52528 10.65864 13.14874