Year Month Day AAO index 2007 AUG 1 -2.506 2007 AUG 2 -1.927 2007 AUG 3 -1.463 2007 AUG 4 -1.273 2007 AUG 5 -0.953 2007 AUG 6 -1.013 2007 AUG 7 -1.445 2007 AUG 8 -0.767 2007 AUG 9 0.138 2007 AUG 10 0.081 2007 AUG 11 0.084 2007 AUG 12 0.288 2007 AUG 13 0.764 2007 AUG 14 1.317 2007 AUG 15 1.652 2007 AUG 16 1.888 2007 AUG 17 1.789 2007 AUG 18 1.857 2007 AUG 19 1.917 2007 AUG 20 1.217 2007 AUG 21 0.203 2007 AUG 22 -0.476 2007 AUG 23 -0.358 2007 AUG 24 -0.074 2007 AUG 25 -0.343 2007 AUG 26 -0.590 2007 AUG 27 -1.027 2007 AUG 28 -0.908 2007 AUG 29 -0.573 2007 AUG 30 -0.355 2007 AUG 31 -0.447 2007 SEP 1 -0.422 2007 SEP 2 -0.466 2007 SEP 3 -0.378 2007 SEP 4 -0.001 2007 SEP 5 0.626 2007 SEP 6 1.083 2007 SEP 7 0.801 2007 SEP 8 0.327 2007 SEP 9 0.030 2007 SEP 10 -0.405 2007 SEP 11 -0.582 2007 SEP 12 -0.721 2007 SEP 13 -0.773 2007 SEP 14 -0.460 2007 SEP 15 -0.178 2007 SEP 16 -0.100 2007 SEP 17 0.241 2007 SEP 18 -0.104 2007 SEP 19 -0.567 2007 SEP 20 -0.545 2007 SEP 21 -0.598 2007 SEP 22 -0.617 2007 SEP 23 -0.202 2007 SEP 24 0.285 2007 SEP 25 0.465 2007 SEP 26 0.420 2007 SEP 27 0.119 2007 SEP 28 0.706 2007 SEP 29 1.306 2007 SEP 30 1.518 2007 OCT 1 0.966 2007 OCT 2 0.549 2007 OCT 3 0.467 2007 OCT 4 0.475 2007 OCT 5 0.476 2007 OCT 6 0.926 2007 OCT 7 1.106 2007 OCT 8 0.512 2007 OCT 9 0.259 2007 OCT 10 -0.072 2007 OCT 11 -0.445 2007 OCT 12 -0.963 2007 OCT 13 -1.455 2007 OCT 14 -1.681 2007 OCT 15 -1.179 2007 OCT 16 -0.666 2007 OCT 17 -0.295 2007 OCT 18 0.112 2007 OCT 19 -0.070 2007 OCT 20 -0.529 2007 OCT 21 -0.846 2007 OCT 22 -0.612 2007 OCT 23 -0.400 2007 OCT 24 -0.878 2007 OCT 25 -1.683 2007 OCT 26 -1.801 2007 OCT 27 -1.070 2007 OCT 28 -0.844 2007 OCT 29 -1.218 2007 OCT 30 -1.359 2007 OCT 31 -0.821 2007 NOV 1 -0.653 2007 NOV 2 -0.989 2007 NOV 3 -1.486 2007 NOV 4 -1.987 2007 NOV 5 -2.626 2007 NOV 6 -2.645 2007 NOV 7 -2.496 2007 NOV 8 -2.744 2007 NOV 9 -3.189 2007 NOV 10 -2.962 2007 NOV 11 -2.354 2007 NOV 12 -2.248 2007 NOV 13 -2.307 2007 NOV 14 -2.311 2007 NOV 15 -1.841 2007 NOV 16 -1.458 2007 NOV 17 -1.255 2007 NOV 18 -1.169 2007 NOV 19 -0.926 2007 NOV 20 -0.232 2007 NOV 21 0.237 2007 NOV 22 0.631 2007 NOV 23 1.199 2007 NOV 24 1.297 2007 NOV 25 0.749 2007 NOV 26 0.368 2007 NOV 27 0.953 2007 NOV 28 1.188 2007 NOV 29 1.314 2007 NOV 30 1.410