condition mean min max 3 h after light 0.020133 0.0 0.060399 6 h after light 0.175918 0.109324 0.265961 9 h after light 0.43877866666666665 0.324884 0.598887 12 h after light 0.463854 0.300882 0.62007 3 h after dark 0.7837656666666667 0.547647 0.932944 6 h after dark 0.8618583333333334 0.537311 1.42531 9 h after dark 0.670641 0.453134 0.964813 12 h after dark 0.22262875 0.0615925 0.383665