condition mean min max 4 h after light 30.8989915 22.965844 38.832139 8 h after light 28.228475 26.605044 29.851906 12 h after light 28.721765 21.813229 35.630301 4 h after dark 21.6408785 19.770827 23.51093 8 h after dark 23.4998055 20.442443 26.557168 12 h after dark 23.098142 23.098142 23.098142