Year Month Day AAO index 2010 AUG 1 1.439 2010 AUG 2 2.518 2010 AUG 3 2.835 2010 AUG 4 2.582 2010 AUG 5 1.958 2010 AUG 6 1.214 2010 AUG 7 1.249 2010 AUG 8 1.878 2010 AUG 9 1.916 2010 AUG 10 2.308 2010 AUG 11 2.631 2010 AUG 12 2.936 2010 AUG 13 2.768 2010 AUG 14 2.239 2010 AUG 15 2.112 2010 AUG 16 1.757 2010 AUG 17 1.767 2010 AUG 18 2.060 2010 AUG 19 2.092 2010 AUG 20 1.713 2010 AUG 21 1.498 2010 AUG 22 0.787 2010 AUG 23 0.354 2010 AUG 24 0.147 2010 AUG 25 -0.603 2010 AUG 26 -1.083 2010 AUG 27 -1.011 2010 AUG 28 -0.347 2010 AUG 29 0.599 2010 AUG 30 1.023 2010 AUG 31 1.722 2010 SEP 1 2.086 2010 SEP 2 1.897 2010 SEP 3 0.733 2010 SEP 4 0.008 2010 SEP 5 0.428 2010 SEP 6 1.700 2010 SEP 7 1.521 2010 SEP 8 2.119 2010 SEP 9 2.289 2010 SEP 10 1.607 2010 SEP 11 1.449 2010 SEP 12 1.834 2010 SEP 13 1.295 2010 SEP 14 0.233 2010 SEP 15 -0.265 2010 SEP 16 -0.414 2010 SEP 17 -0.802 2010 SEP 18 -0.498 2010 SEP 19 0.400 2010 SEP 20 -0.133 2010 SEP 21 -1.078 2010 SEP 22 -1.624 2010 SEP 23 -1.578 2010 SEP 24 -1.198 2010 SEP 25 -0.674 2010 SEP 26 -0.817 2010 SEP 27 -1.025 2010 SEP 28 -0.362 2010 SEP 29 0.794 2010 SEP 30 1.622 2010 OCT 1 1.452 2010 OCT 2 1.524 2010 OCT 3 1.579 2010 OCT 4 1.277 2010 OCT 5 0.502 2010 OCT 6 -0.185 2010 OCT 7 -0.642 2010 OCT 8 -0.325 2010 OCT 9 0.491 2010 OCT 10 1.232 2010 OCT 11 2.122 2010 OCT 12 2.310 2010 OCT 13 1.628 2010 OCT 14 1.181 2010 OCT 15 1.241 2010 OCT 16 1.631 2010 OCT 17 1.491 2010 OCT 18 1.344 2010 OCT 19 1.149 2010 OCT 20 0.706 2010 OCT 21 0.890 2010 OCT 22 1.359 2010 OCT 23 1.831 2010 OCT 24 1.887 2010 OCT 25 1.874 2010 OCT 26 1.539 2010 OCT 27 1.219 2010 OCT 28 1.165 2010 OCT 29 1.591 2010 OCT 30 2.316 2010 OCT 31 2.447 2010 NOV 1 2.003 2010 NOV 2 1.238 2010 NOV 3 0.341 2010 NOV 4 -0.389 2010 NOV 5 -0.321 2010 NOV 6 0.002 2010 NOV 7 -0.544 2010 NOV 8 -0.533 2010 NOV 9 0.335 2010 NOV 10 0.978 2010 NOV 11 1.248 2010 NOV 12 1.595 2010 NOV 13 1.951 2010 NOV 14 2.143 2010 NOV 15 2.429 2010 NOV 16 2.287 2010 NOV 17 1.785 2010 NOV 18 1.616 2010 NOV 19 2.108 2010 NOV 20 2.124 2010 NOV 21 1.918 2010 NOV 22 1.989 2010 NOV 23 2.359 2010 NOV 24 2.292 2010 NOV 25 2.073 2010 NOV 26 2.028 2010 NOV 27 1.920 2010 NOV 28 2.160 2010 NOV 29 2.387 2010 NOV 30 2.262