Year Month Day AO index 2006 MAY 1 0.471 2006 MAY 2 -0.051 2006 MAY 3 -0.393 2006 MAY 4 -0.790 2006 MAY 5 -0.599 2006 MAY 6 -0.461 2006 MAY 7 -0.534 2006 MAY 8 -0.737 2006 MAY 9 -0.909 2006 MAY 10 -1.023 2006 MAY 11 -1.041 2006 MAY 12 -0.755 2006 MAY 13 -0.106 2006 MAY 14 0.246 2006 MAY 15 0.013 2006 MAY 16 0.103 2006 MAY 17 0.130 2006 MAY 18 0.209 2006 MAY 19 0.354 2006 MAY 20 0.833 2006 MAY 21 1.102 2006 MAY 22 0.591 2006 MAY 23 0.662 2006 MAY 24 1.098 2006 MAY 25 1.698 2006 MAY 26 1.769 2006 MAY 27 1.264 2006 MAY 28 0.807 2006 MAY 29 0.340 2006 MAY 30 0.140 2006 MAY 31 0.226 2006 JUN 1 0.501 2006 JUN 2 0.603 2006 JUN 3 0.664 2006 JUN 4 0.570 2006 JUN 5 0.358 2006 JUN 6 0.544 2006 JUN 7 0.734 2006 JUN 8 0.431 2006 JUN 9 -0.289 2006 JUN 10 -0.601 2006 JUN 11 -0.282 2006 JUN 12 0.520 2006 JUN 13 1.522 2006 JUN 14 2.436 2006 JUN 15 2.576 2006 JUN 16 2.405 2006 JUN 17 2.464 2006 JUN 18 2.561 2006 JUN 19 2.265 2006 JUN 20 1.753 2006 JUN 21 1.440 2006 JUN 22 1.375 2006 JUN 23 1.242 2006 JUN 24 1.068 2006 JUN 25 0.881 2006 JUN 26 0.954 2006 JUN 27 1.166 2006 JUN 28 0.880 2006 JUN 29 0.397 2006 JUN 30 -0.162 2006 JUL 1 -0.563 2006 JUL 2 -0.907 2006 JUL 3 -0.930 2006 JUL 4 -0.520 2006 JUL 5 -0.263 2006 JUL 6 -0.049 2006 JUL 7 0.050 2006 JUL 8 0.149 2006 JUL 9 0.261 2006 JUL 10 0.553 2006 JUL 11 1.031 2006 JUL 12 1.164 2006 JUL 13 1.133 2006 JUL 14 0.772 2006 JUL 15 0.454 2006 JUL 16 0.381 2006 JUL 17 0.154 2006 JUL 18 -0.269 2006 JUL 19 -0.480 2006 JUL 20 -0.369 2006 JUL 21 -0.032 2006 JUL 22 0.073 2006 JUL 23 0.039 2006 JUL 24 -0.123 2006 JUL 25 -0.196 2006 JUL 26 -0.173 2006 JUL 27 0.032 2006 JUL 28 0.412 2006 JUL 29 0.644 2006 JUL 30 0.438 2006 JUL 31 0.201 2006 AUG 1 0.021 2006 AUG 2 -0.443 2006 AUG 3 -0.664 2006 AUG 4 -0.416 2006 AUG 5 -0.223 2006 AUG 6 -0.177 2006 AUG 7 -0.021 2006 AUG 8 0.178 2006 AUG 9 0.083 2006 AUG 10 -0.065 2006 AUG 11 -0.345 2006 AUG 12 -0.771 2006 AUG 13 -1.157 2006 AUG 14 -1.214 2006 AUG 15 -0.852 2006 AUG 16 -0.373 2006 AUG 17 0.228 2006 AUG 18 0.608 2006 AUG 19 0.576 2006 AUG 20 0.437 2006 AUG 21 0.338 2006 AUG 22 0.369 2006 AUG 23 0.173 2006 AUG 24 0.000 2006 AUG 25 -0.322 2006 AUG 26 -0.307 2006 AUG 27 -0.288 2006 AUG 28 -0.486 2006 AUG 29 -0.827 2006 AUG 30 -1.090 2006 AUG 31 -0.904