Year Month Day AAO index 2008 MAY 1 -1.516 2008 MAY 2 -1.226 2008 MAY 3 -1.302 2008 MAY 4 -1.816 2008 MAY 5 -2.155 2008 MAY 6 -2.473 2008 MAY 7 -2.477 2008 MAY 8 -2.300 2008 MAY 9 -2.184 2008 MAY 10 -1.910 2008 MAY 11 -1.635 2008 MAY 12 -0.967 2008 MAY 13 -0.724 2008 MAY 14 -1.010 2008 MAY 15 -1.146 2008 MAY 16 -1.020 2008 MAY 17 -0.647 2008 MAY 18 0.024 2008 MAY 19 0.301 2008 MAY 20 0.250 2008 MAY 21 0.045 2008 MAY 22 0.168 2008 MAY 23 0.982 2008 MAY 24 0.768 2008 MAY 25 0.456 2008 MAY 26 1.290 2008 MAY 27 1.861 2008 MAY 28 1.902 2008 MAY 29 0.998 2008 MAY 30 1.091 2008 MAY 31 1.655 2008 JUN 1 1.662 2008 JUN 2 1.319 2008 JUN 3 1.254 2008 JUN 4 1.205 2008 JUN 5 0.617 2008 JUN 6 -0.253 2008 JUN 7 0.102 2008 JUN 8 0.603 2008 JUN 9 0.801 2008 JUN 10 0.540 2008 JUN 11 0.248 2008 JUN 12 0.446 2008 JUN 13 0.783 2008 JUN 14 1.431 2008 JUN 15 2.088 2008 JUN 16 2.128 2008 JUN 17 2.194 2008 JUN 18 2.959 2008 JUN 19 3.519 2008 JUN 20 3.328 2008 JUN 21 2.508 2008 JUN 22 2.066 2008 JUN 23 1.469 2008 JUN 24 0.640 2008 JUN 25 0.184 2008 JUN 26 0.514 2008 JUN 27 0.615 2008 JUN 28 1.022 2008 JUN 29 1.498 2008 JUN 30 1.436 2008 JUL 1 1.000 2008 JUL 2 0.036 2008 JUL 3 -0.573 2008 JUL 4 -0.757 2008 JUL 5 -0.681 2008 JUL 6 0.070 2008 JUL 7 1.273 2008 JUL 8 1.934 2008 JUL 9 2.263 2008 JUL 10 2.395 2008 JUL 11 1.954 2008 JUL 12 1.228 2008 JUL 13 0.918 2008 JUL 14 0.613 2008 JUL 15 0.357 2008 JUL 16 0.416 2008 JUL 17 0.408 2008 JUL 18 -0.088 2008 JUL 19 -0.823 2008 JUL 20 -0.949 2008 JUL 21 -0.598 2008 JUL 22 -0.063 2008 JUL 23 0.655 2008 JUL 24 0.865 2008 JUL 25 0.320 2008 JUL 26 0.293 2008 JUL 27 -0.289 2008 JUL 28 -0.805 2008 JUL 29 -0.911 2008 JUL 30 -0.626 2008 JUL 31 -0.339 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