condition mean min max 4 h after light 41.0629875 30.994508 51.131467 8 h after light 179.33623599999999 176.132723 182.539749 12 h after light 140.665906 62.196195 219.135617 4 h after dark 209.0932335 183.083347 235.10312 8 h after dark 206.68715100000003 88.053773 325.320529 12 h after dark 17.840014 17.840014 17.840014