Year Month Day AO index 2006 FEB 1 -1.550 2006 FEB 2 -2.201 2006 FEB 3 -2.729 2006 FEB 4 -2.522 2006 FEB 5 -1.950 2006 FEB 6 -1.357 2006 FEB 7 -0.542 2006 FEB 8 -0.061 2006 FEB 9 -0.498 2006 FEB 10 -0.563 2006 FEB 11 -0.175 2006 FEB 12 0.264 2006 FEB 13 0.144 2006 FEB 14 0.884 2006 FEB 15 1.947 2006 FEB 16 1.970 2006 FEB 17 1.355 2006 FEB 18 0.965 2006 FEB 19 1.393 2006 FEB 20 2.073 2006 FEB 21 2.375 2006 FEB 22 1.684 2006 FEB 23 0.612 2006 FEB 24 -0.121 2006 FEB 25 -0.685 2006 FEB 26 -1.117 2006 FEB 27 -1.776 2006 FEB 28 -2.029 2006 MAR 1 -1.857 2006 MAR 2 -2.003 2006 MAR 3 -1.667 2006 MAR 4 -1.131 2006 MAR 5 -0.579 2006 MAR 6 0.059 2006 MAR 7 1.054 2006 MAR 8 1.758 2006 MAR 9 1.438 2006 MAR 10 0.111 2006 MAR 11 -0.783 2006 MAR 12 -0.903 2006 MAR 13 -1.192 2006 MAR 14 -2.013 2006 MAR 15 -2.599 2006 MAR 16 -2.878 2006 MAR 17 -2.825 2006 MAR 18 -2.930 2006 MAR 19 -3.156 2006 MAR 20 -3.506 2006 MAR 21 -3.822 2006 MAR 22 -3.690 2006 MAR 23 -3.335 2006 MAR 24 -2.801 2006 MAR 25 -1.955 2006 MAR 26 -1.501 2006 MAR 27 -1.169 2006 MAR 28 -0.913 2006 MAR 29 -1.204 2006 MAR 30 -1.340 2006 MAR 31 -1.202 2006 APR 1 -1.276 2006 APR 2 -1.613 2006 APR 3 -1.873 2006 APR 4 -1.635 2006 APR 5 -1.838 2006 APR 6 -2.280 2006 APR 7 -2.378 2006 APR 8 -1.505 2006 APR 9 0.067 2006 APR 10 1.257 2006 APR 11 1.338 2006 APR 12 2.094 2006 APR 13 2.857 2006 APR 14 2.121 2006 APR 15 1.150 2006 APR 16 0.546 2006 APR 17 0.234 2006 APR 18 0.319 2006 APR 19 0.520 2006 APR 20 0.303 2006 APR 21 0.562 2006 APR 22 1.187 2006 APR 23 0.967 2006 APR 24 0.575 2006 APR 25 0.287 2006 APR 26 -0.063 2006 APR 27 0.030 2006 APR 28 0.393 2006 APR 29 0.894 2006 APR 30 0.759 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