Year Month Day AO index 2004 NOV 1 1.729 2004 NOV 2 1.097 2004 NOV 3 1.027 2004 NOV 4 1.020 2004 NOV 5 1.244 2004 NOV 6 1.213 2004 NOV 7 1.058 2004 NOV 8 1.210 2004 NOV 9 1.149 2004 NOV 10 1.141 2004 NOV 11 1.355 2004 NOV 12 1.264 2004 NOV 13 1.044 2004 NOV 14 1.274 2004 NOV 15 1.819 2004 NOV 16 1.660 2004 NOV 17 1.283 2004 NOV 18 0.580 2004 NOV 19 0.090 2004 NOV 20 -0.580 2004 NOV 21 -0.369 2004 NOV 22 -0.336 2004 NOV 23 -0.625 2004 NOV 24 -0.319 2004 NOV 25 -0.268 2004 NOV 26 -0.617 2004 NOV 27 -0.514 2004 NOV 28 0.103 2004 NOV 29 0.438 2004 NOV 30 0.451 2004 DEC 1 0.714 2004 DEC 2 1.035 2004 DEC 3 1.464 2004 DEC 4 1.159 2004 DEC 5 1.119 2004 DEC 6 0.882 2004 DEC 7 0.722 2004 DEC 8 0.607 2004 DEC 9 0.107 2004 DEC 10 -0.366 2004 DEC 11 -0.330 2004 DEC 12 -0.791 2004 DEC 13 -0.780 2004 DEC 14 0.309 2004 DEC 15 1.312 2004 DEC 16 1.871 2004 DEC 17 2.055 2004 DEC 18 1.467 2004 DEC 19 1.384 2004 DEC 20 0.710 2004 DEC 21 0.840 2004 DEC 22 1.354 2004 DEC 23 1.993 2004 DEC 24 1.452 2004 DEC 25 0.737 2004 DEC 26 1.836 2004 DEC 27 3.073 2004 DEC 28 2.690 2004 DEC 29 2.298 2004 DEC 30 2.718 2004 DEC 31 3.133 2005 JAN 1 3.090 2005 JAN 2 2.764 2005 JAN 3 3.338 2005 JAN 4 4.450 2005 JAN 5 4.703 2005 JAN 6 4.079 2005 JAN 7 3.648 2005 JAN 8 3.482 2005 JAN 9 3.179 2005 JAN 10 2.588 2005 JAN 11 1.723 2005 JAN 12 0.692 2005 JAN 13 -0.605 2005 JAN 14 -1.500 2005 JAN 15 -0.952 2005 JAN 16 0.864 2005 JAN 17 1.426 2005 JAN 18 0.690 2005 JAN 19 0.732 2005 JAN 20 0.154 2005 JAN 21 -1.424 2005 JAN 22 -2.621 2005 JAN 23 -2.947 2005 JAN 24 -3.132 2005 JAN 25 -3.819 2005 JAN 26 -3.527 2005 JAN 27 -3.006 2005 JAN 28 -2.185 2005 JAN 29 -1.939 2005 JAN 30 -1.717 2005 JAN 31 -1.583 2005 FEB 1 -1.209 2005 FEB 2 -0.449 2005 FEB 3 -0.418 2005 FEB 4 -0.580 2005 FEB 5 -0.855 2005 FEB 6 -0.371 2005 FEB 7 0.484 2005 FEB 8 1.047 2005 FEB 9 1.410 2005 FEB 10 1.479 2005 FEB 11 1.306 2005 FEB 12 -0.110 2005 FEB 13 -1.539 2005 FEB 14 -1.678 2005 FEB 15 -1.463 2005 FEB 16 -0.903 2005 FEB 17 -0.835 2005 FEB 18 -1.062 2005 FEB 19 -1.126 2005 FEB 20 -1.376 2005 FEB 21 -1.969 2005 FEB 22 -2.517 2005 FEB 23 -2.863 2005 FEB 24 -3.221 2005 FEB 25 -3.882 2005 FEB 26 -4.337 2005 FEB 27 -3.993 2005 FEB 28 -3.286