Year Month Day AAO index 2008 AUG 1 -0.173 2008 AUG 2 -0.153 2008 AUG 3 -0.416 2008 AUG 4 -0.597 2008 AUG 5 -1.138 2008 AUG 6 -1.562 2008 AUG 7 -1.545 2008 AUG 8 -0.964 2008 AUG 9 -0.191 2008 AUG 10 -0.359 2008 AUG 11 -0.802 2008 AUG 12 -0.964 2008 AUG 13 -1.338 2008 AUG 14 -1.532 2008 AUG 15 -1.064 2008 AUG 16 0.206 2008 AUG 17 1.271 2008 AUG 18 1.421 2008 AUG 19 1.320 2008 AUG 20 1.822 2008 AUG 21 2.136 2008 AUG 22 1.625 2008 AUG 23 1.135 2008 AUG 24 1.195 2008 AUG 25 1.523 2008 AUG 26 1.228 2008 AUG 27 0.396 2008 AUG 28 -0.038 2008 AUG 29 0.018 2008 AUG 30 0.155 2008 AUG 31 -0.094 2008 SEP 1 -0.120 2008 SEP 2 0.721 2008 SEP 3 1.695 2008 SEP 4 2.311 2008 SEP 5 2.340 2008 SEP 6 2.027 2008 SEP 7 1.942 2008 SEP 8 1.842 2008 SEP 9 1.905 2008 SEP 10 1.572 2008 SEP 11 1.168 2008 SEP 12 0.735 2008 SEP 13 0.585 2008 SEP 14 0.508 2008 SEP 15 0.772 2008 SEP 16 1.112 2008 SEP 17 1.056 2008 SEP 18 0.671 2008 SEP 19 0.596 2008 SEP 20 1.497 2008 SEP 21 1.884 2008 SEP 22 1.675 2008 SEP 23 1.701 2008 SEP 24 2.189 2008 SEP 25 2.455 2008 SEP 26 1.995 2008 SEP 27 1.485 2008 SEP 28 0.988 2008 SEP 29 0.609 2008 SEP 30 0.089 2008 OCT 1 0.242 2008 OCT 2 0.628 2008 OCT 3 0.334 2008 OCT 4 -0.052 2008 OCT 5 0.272 2008 OCT 6 0.935 2008 OCT 7 1.396 2008 OCT 8 1.994 2008 OCT 9 2.402 2008 OCT 10 2.052 2008 OCT 11 1.551 2008 OCT 12 1.449 2008 OCT 13 1.729 2008 OCT 14 2.140 2008 OCT 15 2.100 2008 OCT 16 1.735 2008 OCT 17 1.148 2008 OCT 18 0.559 2008 OCT 19 0.112 2008 OCT 20 0.111 2008 OCT 21 0.872 2008 OCT 22 1.210 2008 OCT 23 1.089 2008 OCT 24 0.986 2008 OCT 25 1.260 2008 OCT 26 1.592 2008 OCT 27 1.679 2008 OCT 28 1.428 2008 OCT 29 1.196 2008 OCT 30 1.186 2008 OCT 31 0.898 2008 NOV 1 0.491 2008 NOV 2 0.059 2008 NOV 3 -0.516 2008 NOV 4 -1.253 2008 NOV 5 -1.411 2008 NOV 6 -1.041 2008 NOV 7 -0.106 2008 NOV 8 0.423 2008 NOV 9 0.845 2008 NOV 10 1.779 2008 NOV 11 2.147 2008 NOV 12 1.559 2008 NOV 13 0.751 2008 NOV 14 0.310 2008 NOV 15 0.580 2008 NOV 16 0.765 2008 NOV 17 0.418 2008 NOV 18 0.311 2008 NOV 19 1.078 2008 NOV 20 1.814 2008 NOV 21 1.814 2008 NOV 22 1.573 2008 NOV 23 1.497 2008 NOV 24 1.621 2008 NOV 25 1.411 2008 NOV 26 1.205 2008 NOV 27 1.755 2008 NOV 28 2.206 2008 NOV 29 2.200 2008 NOV 30 2.242