Year Month Day AO index 2006 AUG 1 0.021 2006 AUG 2 -0.443 2006 AUG 3 -0.664 2006 AUG 4 -0.416 2006 AUG 5 -0.223 2006 AUG 6 -0.177 2006 AUG 7 -0.021 2006 AUG 8 0.178 2006 AUG 9 0.083 2006 AUG 10 -0.065 2006 AUG 11 -0.345 2006 AUG 12 -0.771 2006 AUG 13 -1.157 2006 AUG 14 -1.214 2006 AUG 15 -0.852 2006 AUG 16 -0.373 2006 AUG 17 0.228 2006 AUG 18 0.608 2006 AUG 19 0.576 2006 AUG 20 0.437 2006 AUG 21 0.338 2006 AUG 22 0.369 2006 AUG 23 0.173 2006 AUG 24 0.000 2006 AUG 25 -0.322 2006 AUG 26 -0.307 2006 AUG 27 -0.288 2006 AUG 28 -0.486 2006 AUG 29 -0.827 2006 AUG 30 -1.090 2006 AUG 31 -0.904 2006 SEP 1 -0.357 2006 SEP 2 0.097 2006 SEP 3 0.521 2006 SEP 4 0.507 2006 SEP 5 0.136 2006 SEP 6 0.399 2006 SEP 7 0.887 2006 SEP 8 1.142 2006 SEP 9 1.050 2006 SEP 10 1.078 2006 SEP 11 1.450 2006 SEP 12 1.770 2006 SEP 13 1.078 2006 SEP 14 0.344 2006 SEP 15 0.483 2006 SEP 16 0.734 2006 SEP 17 0.970 2006 SEP 18 1.378 2006 SEP 19 1.770 2006 SEP 20 1.482 2006 SEP 21 0.896 2006 SEP 22 0.452 2006 SEP 23 0.436 2006 SEP 24 0.026 2006 SEP 25 -0.363 2006 SEP 26 -0.630 2006 SEP 27 -0.162 2006 SEP 28 0.405 2006 SEP 29 0.060 2006 SEP 30 -0.495 2006 OCT 1 -0.154 2006 OCT 2 0.153 2006 OCT 3 -0.173 2006 OCT 4 -0.115 2006 OCT 5 0.166 2006 OCT 6 0.124 2006 OCT 7 -0.286 2006 OCT 8 -0.747 2006 OCT 9 -1.104 2006 OCT 10 -1.523 2006 OCT 11 -1.288 2006 OCT 12 -0.715 2006 OCT 13 -0.713 2006 OCT 14 -1.225 2006 OCT 15 -2.416 2006 OCT 16 -2.976 2006 OCT 17 -3.192 2006 OCT 18 -2.981 2006 OCT 19 -2.630 2006 OCT 20 -2.179 2006 OCT 21 -1.910 2006 OCT 22 -1.426 2006 OCT 23 -0.854 2006 OCT 24 -0.602 2006 OCT 25 -0.714 2006 OCT 26 0.011 2006 OCT 27 0.806 2006 OCT 28 0.804 2006 OCT 29 -0.309 2006 OCT 30 -1.063 2006 OCT 31 -1.540 2006 NOV 1 -1.487 2006 NOV 2 -1.167 2006 NOV 3 -0.636 2006 NOV 4 0.433 2006 NOV 5 1.009 2006 NOV 6 1.205 2006 NOV 7 1.857 2006 NOV 8 2.412 2006 NOV 9 2.125 2006 NOV 10 1.930 2006 NOV 11 2.065 2006 NOV 12 2.113 2006 NOV 13 1.465 2006 NOV 14 0.062 2006 NOV 15 -0.968 2006 NOV 16 -0.817 2006 NOV 17 -0.422 2006 NOV 18 0.168 2006 NOV 19 0.717 2006 NOV 20 0.601 2006 NOV 21 0.487 2006 NOV 22 0.230 2006 NOV 23 -0.369 2006 NOV 24 -0.939 2006 NOV 25 -0.509 2006 NOV 26 0.473 2006 NOV 27 0.771 2006 NOV 28 0.684 2006 NOV 29 0.492 2006 NOV 30 1.094