Year Month Day AAO index 2010 FEB 1 -1.116 2010 FEB 2 -1.105 2010 FEB 3 -0.506 2010 FEB 4 -1.110 2010 FEB 5 -1.758 2010 FEB 6 -1.709 2010 FEB 7 -1.205 2010 FEB 8 -0.958 2010 FEB 9 -1.402 2010 FEB 10 -1.929 2010 FEB 11 -2.074 2010 FEB 12 -1.843 2010 FEB 13 -1.862 2010 FEB 14 -1.863 2010 FEB 15 -1.704 2010 FEB 16 -1.550 2010 FEB 17 -1.198 2010 FEB 18 -0.808 2010 FEB 19 -0.770 2010 FEB 20 -0.393 2010 FEB 21 0.139 2010 FEB 22 0.413 2010 FEB 23 0.529 2010 FEB 24 0.411 2010 FEB 25 0.584 2010 FEB 26 1.247 2010 FEB 27 1.402 2010 FEB 28 1.140 2010 MAR 1 0.565 2010 MAR 2 -0.210 2010 MAR 3 -0.759 2010 MAR 4 -0.345 2010 MAR 5 1.140 2010 MAR 6 2.648 2010 MAR 7 3.336 2010 MAR 8 3.156 2010 MAR 9 2.158 2010 MAR 10 0.778 2010 MAR 11 -0.226 2010 MAR 12 -0.993 2010 MAR 13 -2.030 2010 MAR 14 -2.356 2010 MAR 15 -2.270 2010 MAR 16 -2.031 2010 MAR 17 -1.511 2010 MAR 18 -1.247 2010 MAR 19 -0.877 2010 MAR 20 -0.015 2010 MAR 21 0.754 2010 MAR 22 0.692 2010 MAR 23 0.402 2010 MAR 24 -0.030 2010 MAR 25 -0.180 2010 MAR 26 -0.109 2010 MAR 27 0.134 2010 MAR 28 0.033 2010 MAR 29 0.369 2010 MAR 30 0.971 2010 MAR 31 1.147 2010 APR 1 0.629 2010 APR 2 0.274 2010 APR 3 0.448 2010 APR 4 1.082 2010 APR 5 0.693 2010 APR 6 -0.187 2010 APR 7 0.191 2010 APR 8 0.946 2010 APR 9 0.911 2010 APR 10 0.926 2010 APR 11 1.670 2010 APR 12 2.199 2010 APR 13 1.897 2010 APR 14 0.822 2010 APR 15 -0.276 2010 APR 16 -0.797 2010 APR 17 -0.955 2010 APR 18 -1.232 2010 APR 19 -1.680 2010 APR 20 -1.711 2010 APR 21 -1.311 2010 APR 22 -0.185 2010 APR 23 0.754 2010 APR 24 0.912 2010 APR 25 1.293 2010 APR 26 1.697 2010 APR 27 1.027 2010 APR 28 0.302 2010 APR 29 0.299 2010 APR 30 0.202 2010 MAY 1 -0.256 2010 MAY 2 -0.558 2010 MAY 3 -0.518 2010 MAY 4 -0.569 2010 MAY 5 -0.663 2010 MAY 6 -1.084 2010 MAY 7 -1.469 2010 MAY 8 -1.368 2010 MAY 9 -1.234 2010 MAY 10 -0.816 2010 MAY 11 -0.601 2010 MAY 12 -0.569 2010 MAY 13 -0.148 2010 MAY 14 0.390 2010 MAY 15 1.112 2010 MAY 16 2.472 2010 MAY 17 2.851 2010 MAY 18 2.251 2010 MAY 19 2.429 2010 MAY 20 2.739 2010 MAY 21 2.847 2010 MAY 22 2.809 2010 MAY 23 2.301 2010 MAY 24 1.667 2010 MAY 25 1.495 2010 MAY 26 1.813 2010 MAY 27 2.280 2010 MAY 28 2.274 2010 MAY 29 2.526 2010 MAY 30 2.793 2010 MAY 31 3.245