condition mean min max 4 h after light 286.9279395 165.638546 408.217333 8 h after light 291.869944 226.431362 357.308526 12 h after light 254.5012875 199.539749 309.462826 4 h after dark 153.44779699999998 116.132238 190.763356 8 h after dark 140.644844 121.550403 159.739285 12 h after dark 120.199065 120.199065 120.199065