condition mean min max 3 h after light 0.9842046666666666 0.921514 1.01918 6 h after light 0.41920833333333335 0.202923 0.574447 9 h after light 0.500591 0.38375 0.612738 12 h after light 0.7375975 0.479451 0.998501 3 h after dark 0.3766736666666667 0.290434 0.440773 6 h after dark 0.507342 0.360405 0.690154 9 h after dark 0.4121683333333333 0.363197 0.493432 12 h after dark 0.7787815 0.748311 0.809252