condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.24757086666666667 0.0963696 0.341148 9 h after light 0.1623842 0.0727716 0.254064 12 h after light 0.521903 0.330504 0.84931 3 h after dark 0.2735436666666667 0.11719 0.436228 6 h after dark 0.192578 0.166899 0.224631 9 h after dark 0.15116839999999998 0.0 0.359249 12 h after dark 0.0743116 0.0 0.130897