condition mean min max 4 h after light 4.601179999999999 3.9291 5.27326 8 h after light 4.14851 3.68996 4.60706 12 h after light 4.501200000000001 4.29921 4.70319 4 h after dark 8.17608 7.87171 8.45263 8 h after dark 6.69124 5.73843 7.24738 12 h after dark 5.500876666666667 4.09203 6.59773