condition mean min max 4 h after light 8.569986 5.221686 10.85997 8 h after light 14.56318 7.13191 24.53335 12 h after light 26.87967 25.77818 28.74023 16 h after light 17.879466666666666 10.2805 29.61595 4 h after dark 17.594546666666666 15.399289999999999 20.88784 8 h after dark 12.019388666666666 7.343286 15.18339