Year Month Day AO index 2005 FEB 1 -1.209 2005 FEB 2 -0.449 2005 FEB 3 -0.418 2005 FEB 4 -0.580 2005 FEB 5 -0.855 2005 FEB 6 -0.371 2005 FEB 7 0.484 2005 FEB 8 1.047 2005 FEB 9 1.410 2005 FEB 10 1.479 2005 FEB 11 1.306 2005 FEB 12 -0.110 2005 FEB 13 -1.539 2005 FEB 14 -1.678 2005 FEB 15 -1.463 2005 FEB 16 -0.903 2005 FEB 17 -0.835 2005 FEB 18 -1.062 2005 FEB 19 -1.126 2005 FEB 20 -1.376 2005 FEB 21 -1.969 2005 FEB 22 -2.517 2005 FEB 23 -2.863 2005 FEB 24 -3.221 2005 FEB 25 -3.882 2005 FEB 26 -4.337 2005 FEB 27 -3.993 2005 FEB 28 -3.286 2005 MAR 1 -2.726 2005 MAR 2 -1.806 2005 MAR 3 -0.906 2005 MAR 4 -0.810 2005 MAR 5 -1.260 2005 MAR 6 -1.676 2005 MAR 7 -2.481 2005 MAR 8 -2.840 2005 MAR 9 -2.323 2005 MAR 10 -1.967 2005 MAR 11 -1.746 2005 MAR 12 -1.974 2005 MAR 13 -2.112 2005 MAR 14 -1.792 2005 MAR 15 -1.433 2005 MAR 16 -1.129 2005 MAR 17 -1.417 2005 MAR 18 -2.256 2005 MAR 19 -2.600 2005 MAR 20 -2.120 2005 MAR 21 -1.710 2005 MAR 22 -0.727 2005 MAR 23 0.128 2005 MAR 24 0.032 2005 MAR 25 -0.409 2005 MAR 26 -1.009 2005 MAR 27 -0.839 2005 MAR 28 -0.500 2005 MAR 29 -0.320 2005 MAR 30 -0.346 2005 MAR 31 -0.297 2005 APR 1 0.341 2005 APR 2 1.227 2005 APR 3 1.506 2005 APR 4 1.370 2005 APR 5 0.550 2005 APR 6 -0.250 2005 APR 7 -0.248 2005 APR 8 0.630 2005 APR 9 1.180 2005 APR 10 1.137 2005 APR 11 1.015 2005 APR 12 0.440 2005 APR 13 -0.445 2005 APR 14 -0.611 2005 APR 15 0.060 2005 APR 16 0.679 2005 APR 17 0.366 2005 APR 18 0.023 2005 APR 19 0.019 2005 APR 20 0.120 2005 APR 21 0.001 2005 APR 22 0.246 2005 APR 23 0.740 2005 APR 24 0.493 2005 APR 25 -0.461 2005 APR 26 -1.836 2005 APR 27 -2.697 2005 APR 28 -2.824 2005 APR 29 -2.393 2005 APR 30 -1.714 2005 MAY 1 -1.143 2005 MAY 2 -0.648 2005 MAY 3 -0.094 2005 MAY 4 0.364 2005 MAY 5 0.133 2005 MAY 6 -0.281 2005 MAY 7 -0.770 2005 MAY 8 -1.559 2005 MAY 9 -1.935 2005 MAY 10 -1.603 2005 MAY 11 -1.228 2005 MAY 12 -1.049 2005 MAY 13 -1.176 2005 MAY 14 -1.310 2005 MAY 15 -1.025 2005 MAY 16 -0.793 2005 MAY 17 -0.803 2005 MAY 18 -1.037 2005 MAY 19 -1.205 2005 MAY 20 -1.297 2005 MAY 21 -0.810 2005 MAY 22 -0.402 2005 MAY 23 -0.659 2005 MAY 24 -0.871 2005 MAY 25 -0.666 2005 MAY 26 -0.221 2005 MAY 27 0.176 2005 MAY 28 0.062 2005 MAY 29 -0.212 2005 MAY 30 -0.371 2005 MAY 31 -0.393