condition mean min max 4 h after light 46.72016 32.853726 60.586594 8 h after light 46.849012 33.359634 60.33839 12 h after light 70.674527 59.80698 81.542074 4 h after dark 226.20283 133.155134 319.250526 8 h after dark 374.631794 295.849851 453.413737 12 h after dark 96.69361 96.69361 96.69361