condition mean min max 4 h after light 98.791165 97.656869 99.925461 8 h after light 185.973434 144.398622 227.548246 12 h after light 337.180467 158.842828 515.518106 4 h after dark 137.188619 51.145181 223.232057 8 h after dark 218.9864325 180.27664 257.696225 12 h after dark 54.011841 54.011841 54.011841