Year Month Day AAO index 2001 MAY 1 1.447 2001 MAY 2 1.685 2001 MAY 3 1.781 2001 MAY 4 1.561 2001 MAY 5 0.814 2001 MAY 6 0.129 2001 MAY 7 -0.359 2001 MAY 8 -0.792 2001 MAY 9 -0.770 2001 MAY 10 -0.440 2001 MAY 11 -0.317 2001 MAY 12 0.094 2001 MAY 13 0.411 2001 MAY 14 0.378 2001 MAY 15 0.258 2001 MAY 16 0.677 2001 MAY 17 0.810 2001 MAY 18 0.397 2001 MAY 19 -0.364 2001 MAY 20 -2.013 2001 MAY 21 -2.666 2001 MAY 22 -2.854 2001 MAY 23 -2.809 2001 MAY 24 -2.683 2001 MAY 25 -2.115 2001 MAY 26 -1.153 2001 MAY 27 -0.333 2001 MAY 28 0.271 2001 MAY 29 0.624 2001 MAY 30 0.437 2001 MAY 31 -0.019 2001 JUN 1 -0.744 2001 JUN 2 -0.253 2001 JUN 3 0.460 2001 JUN 4 1.451 2001 JUN 5 1.536 2001 JUN 6 0.954 2001 JUN 7 0.364 2001 JUN 8 1.451 2001 JUN 9 0.397 2001 JUN 10 0.596 2001 JUN 11 0.417 2001 JUN 12 0.024 2001 JUN 13 -0.527 2001 JUN 14 -0.805 2001 JUN 15 -0.608 2001 JUN 16 -0.765 2001 JUN 17 -0.987 2001 JUN 18 -0.436 2001 JUN 19 0.151 2001 JUN 20 0.308 2001 JUN 21 0.328 2001 JUN 22 0.544 2001 JUN 23 0.499 2001 JUN 24 1.152 2001 JUN 25 1.316 2001 JUN 26 1.222 2001 JUN 27 1.487 2001 JUN 28 1.292 2001 JUN 29 0.438 2001 JUN 30 -0.167 2001 JUL 1 -0.112 2001 JUL 2 0.264 2001 JUL 3 0.484 2001 JUL 4 0.833 2001 JUL 5 0.786 2001 JUL 6 1.150 2001 JUL 7 1.140 2001 JUL 8 0.274 2001 JUL 9 -0.696 2001 JUL 10 -1.226 2001 JUL 11 -1.203 2001 JUL 12 -1.323 2001 JUL 13 -1.656 2001 JUL 14 -2.256 2001 JUL 15 -2.822 2001 JUL 16 -3.777 2001 JUL 17 -4.163 2001 JUL 18 -3.915 2001 JUL 19 -3.517 2001 JUL 20 -2.888 2001 JUL 21 -1.820 2001 JUL 22 -0.889 2001 JUL 23 0.399 2001 JUL 24 0.804 2001 JUL 25 0.607 2001 JUL 26 0.254 2001 JUL 27 -0.476 2001 JUL 28 -0.964 2001 JUL 29 -1.007 2001 JUL 30 -0.546 2001 JUL 31 0.438 2001 AUG 1 1.571 2001 AUG 2 2.201 2001 AUG 3 2.567 2001 AUG 4 2.277 2001 AUG 5 1.517 2001 AUG 6 0.962 2001 AUG 7 1.051 2001 AUG 8 1.066 2001 AUG 9 1.240 2001 AUG 10 1.770 2001 AUG 11 2.489 2001 AUG 12 2.932 2001 AUG 13 2.683 2001 AUG 14 2.331 2001 AUG 15 1.986 2001 AUG 16 1.258 2001 AUG 17 0.276 2001 AUG 18 -0.456 2001 AUG 19 -1.210 2001 AUG 20 -1.592 2001 AUG 21 -1.226 2001 AUG 22 -0.245 2001 AUG 23 0.300 2001 AUG 24 0.354 2001 AUG 25 0.176 2001 AUG 26 -0.005 2001 AUG 27 -0.487 2001 AUG 28 -0.422 2001 AUG 29 0.437 2001 AUG 30 0.933 2001 AUG 31 0.396