condition mean min max 4 h after light 11.92964 7.24812 16.7535 8 h after light 8.60391 2.12031 13.8977 12 h after light 8.95816 5.55359 13.885 4 h after dark 12.169233333333333 10.2208 13.7663 8 h after dark 10.448443333333334 7.47053 11.9987 12 h after dark 10.5231 8.512 12.2579