Year Month Day AO index 2008 NOV 1 1.060 2008 NOV 2 1.274 2008 NOV 3 0.817 2008 NOV 4 -0.045 2008 NOV 5 -0.745 2008 NOV 6 -0.936 2008 NOV 7 -0.422 2008 NOV 8 0.078 2008 NOV 9 0.112 2008 NOV 10 -0.251 2008 NOV 11 0.097 2008 NOV 12 1.082 2008 NOV 13 1.419 2008 NOV 14 1.170 2008 NOV 15 1.239 2008 NOV 16 1.279 2008 NOV 17 1.749 2008 NOV 18 2.181 2008 NOV 19 1.618 2008 NOV 20 0.212 2008 NOV 21 -0.410 2008 NOV 22 -0.242 2008 NOV 23 -1.173 2008 NOV 24 -1.521 2008 NOV 25 -0.785 2008 NOV 26 -0.050 2008 NOV 27 -0.701 2008 NOV 28 -1.373 2008 NOV 29 -1.763 2008 NOV 30 -2.305 2008 DEC 1 -2.109 2008 DEC 2 -1.431 2008 DEC 3 -0.766 2008 DEC 4 -0.345 2008 DEC 5 0.312 2008 DEC 6 1.028 2008 DEC 7 1.304 2008 DEC 8 0.648 2008 DEC 9 0.851 2008 DEC 10 1.727 2008 DEC 11 1.632 2008 DEC 12 1.283 2008 DEC 13 0.069 2008 DEC 14 -0.183 2008 DEC 15 0.954 2008 DEC 16 2.210 2008 DEC 17 2.326 2008 DEC 18 2.210 2008 DEC 19 2.318 2008 DEC 20 2.258 2008 DEC 21 1.946 2008 DEC 22 1.212 2008 DEC 23 1.696 2008 DEC 24 2.099 2008 DEC 25 1.092 2008 DEC 26 0.506 2008 DEC 27 0.017 2008 DEC 28 -0.857 2008 DEC 29 -1.365 2008 DEC 30 -1.615 2008 DEC 31 -1.664 2009 JAN 1 -1.870 2009 JAN 2 -2.099 2009 JAN 3 -2.076 2009 JAN 4 -1.576 2009 JAN 5 -0.656 2009 JAN 6 0.029 2009 JAN 7 0.865 2009 JAN 8 1.424 2009 JAN 9 1.964 2009 JAN 10 2.793 2009 JAN 11 3.256 2009 JAN 12 2.766 2009 JAN 13 1.998 2009 JAN 14 0.924 2009 JAN 15 0.862 2009 JAN 16 1.871 2009 JAN 17 2.278 2009 JAN 18 2.455 2009 JAN 19 1.713 2009 JAN 20 0.443 2009 JAN 21 0.092 2009 JAN 22 0.368 2009 JAN 23 1.020 2009 JAN 24 1.057 2009 JAN 25 0.908 2009 JAN 26 1.542 2009 JAN 27 1.908 2009 JAN 28 1.221 2009 JAN 29 0.074 2009 JAN 30 -0.348 2009 JAN 31 -1.303 2009 FEB 1 -2.870 2009 FEB 2 -3.024 2009 FEB 3 -3.178 2009 FEB 4 -2.928 2009 FEB 5 -1.718 2009 FEB 6 -0.696 2009 FEB 7 0.212 2009 FEB 8 0.208 2009 FEB 9 -0.588 2009 FEB 10 -1.023 2009 FEB 11 -1.486 2009 FEB 12 -2.165 2009 FEB 13 -2.466 2009 FEB 14 -2.436 2009 FEB 15 -1.493 2009 FEB 16 -0.456 2009 FEB 17 -0.220 2009 FEB 18 -0.702 2009 FEB 19 -0.219 2009 FEB 20 0.355 2009 FEB 21 -0.010 2009 FEB 22 -0.093 2009 FEB 23 -0.155 2009 FEB 24 0.383 2009 FEB 25 1.532 2009 FEB 26 2.556 2009 FEB 27 2.232 2009 FEB 28 2.290