condition mean min max 4 h after light 9.174043 7.216249 10.22439 8 h after light 3.882358 1.545297 6.935244 12 h after light 4.479236333333334 3.334321 5.104106 16 h after light 7.7420469999999995 3.3825 15.57993 4 h after dark 14.954143333333333 13.13525 17.35424 8 h after dark 6.409084333333333 4.733036 9.083246