condition mean min max 4 h after light 5.47 4.23424 6.70576 8 h after light 3.05166 2.64596 3.45736 12 h after light 4.61015 3.61931 5.60099 4 h after dark 2.918885 2.67432 3.16345 8 h after dark 4.737275 4.19023 5.28432 12 h after dark 4.8869299999999996 3.64168 6.13218