Statistics of sunspot activity
September, 2003
Visual indices of solar activity by National Geophysical Data Center
| Date | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | Average | % |
| W | 59.33 | 68.33 | 66.00 | 76.67 | 57.33 | 58.67 | 49.67 | 48.00 | 39.33 | 41.33 | 57.33 | 57.00 | 57.00 | 61.00 | 62.33 | 73.33 | 79.00 | 91.00 | 71.00 | 65.00 | 70.33 | 82.00 | 120.33 | 108.33 | 124.00 | 135.00 | 130.67 | 129.50 | 114.50 | 115.50 | 78.96 | 100 |
| Wn | 20.00 | 23.33 | 14.33 | 12.33 | 0.00 | 4.00 | 0.00 | 11.50 | 0.00 | 0.00 | 0.00 | 0.00 | 4.00 | 4.33 | 11.67 | 26.67 | 41.67 | 52.00 | 40.67 | 37.00 | 47.67 | 43.50 | 67.33 | 61.00 | 73.00 | 79.33 | 79.33 | 68.50 | 55.00 | 45.50 | 30.79 | 38.99 |
| Ws | 39.33 | 45.00 | 51.67 | 64.33 | 57.33 | 54.67 | 49.67 | 36.50 | 39.33 | 41.33 | 57.33 | 57.00 | 53.00 | 56.67 | 50.67 | 46.67 | 37.33 | 39.00 | 30.33 | 28.00 | 22.67 | 38.50 | 53.00 | 47.33 | 51.00 | 55.67 | 51.33 | 61.00 | 59.50 | 70.00 | 48.17 | 61.01 |
| n | 4.00 | 4.67 | 4.67 | 5.00 | 3.00 | 4.00 | 3.67 | 3.50 | 2.00 | 2.00 | 2.33 | 2.00 | 3.00 | 3.33 | 4.67 | 5.00 | 4.67 | 5.00 | 5.00 | 4.67 | 4.33 | 5.50 | 7.00 | 5.00 | 5.00 | 5.67 | 5.67 | 5.50 | 5.50 | 5.50 | 4.36 | 100 |
| A | 0.00 | 0.33 | 1.00 | 0.33 | 0.00 | 0.67 | 0.00 | 1.50 | 0.33 | 0.33 | 0.33 | 0.00 | 0.33 | 0.33 | 1.33 | 1.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.50 | 1.00 | 0.33 | 0.00 | 0.33 | 0.33 | 0.50 | 0.00 | 0.50 | 0.39 | 8.92 |
| B | 0.00 | 0.33 | 0.33 | 0.67 | 0.00 | 0.00 | 0.67 | 0.50 | 0.67 | 0.33 | 0.00 | 0.00 | 0.00 | 0.67 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 0.67 | 0.00 | 0.00 | 0.67 | 1.00 | 1.00 | 0.00 | 0.00 | 0.34 | 7.77 |
| C | 1.33 | 1.00 | 1.00 | 0.33 | 0.67 | 0.00 | 1.00 | 0.00 | 0.33 | 0.33 | 0.67 | 0.50 | 0.67 | 1.33 | 1.00 | 1.67 | 2.00 | 1.67 | 0.67 | 0.00 | 1.00 | 1.00 | 1.33 | 1.67 | 2.00 | 1.33 | 1.67 | 1.00 | 0.00 | 0.50 | 0.92 | 21.15 |
| D | 2.00 | 2.00 | 1.67 | 2.00 | 2.00 | 2.00 | 1.33 | 1.00 | 0.67 | 1.00 | 1.33 | 1.50 | 1.00 | 0.33 | 0.67 | 1.00 | 2.00 | 2.33 | 1.67 | 1.33 | 0.33 | 0.00 | 1.33 | 1.00 | 1.50 | 0.67 | 1.00 | 2.00 | 2.50 | 3.00 | 1.41 | 32.23 |
| E | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.67 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 1.53 |
| F | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 1.00 | 1.00 | 1.33 | 1.00 | 1.00 | 1.00 | 1.00 | 0.26 | 5.86 |
| G | 0.00 | 0.00 | 0.00 | 1.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.67 | 1.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 3.31 |
| H | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.25 |
| I | 0.67 | 1.00 | 0.67 | 0.67 | 0.00 | 1.00 | 0.67 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 1.00 | 1.00 | 0.67 | 1.00 | 2.33 | 2.33 | 1.00 | 2.00 | 1.67 | 1.00 | 0.50 | 1.33 | 0.67 | 0.00 | 2.00 | 0.50 | 0.83 | 18.98 |
| x | 0.00 | 0.67 | 1.33 | 1.00 | 0.00 | 0.67 | 0.67 | 2.00 | 1.00 | 0.67 | 0.33 | 0.00 | 0.33 | 1.00 | 1.67 | 1.33 | 0.00 | 0.00 | 0.00 | 0.33 | 1.00 | 1.50 | 1.67 | 0.33 | 0.00 | 1.00 | 1.33 | 1.50 | 0.00 | 0.50 | 0.73 | 16.69 |
| r | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.33 | 0.67 | 0.67 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.33 | 1.00 | 0.33 | 0.67 | 0.00 | 0.00 | 0.00 | 0.23 | 5.22 |
| s | 2.33 | 3.33 | 3.00 | 3.00 | 1.00 | 2.33 | 1.67 | 1.00 | 0.00 | 0.33 | 1.00 | 0.50 | 1.33 | 1.33 | 1.67 | 2.67 | 2.33 | 1.67 | 2.33 | 2.00 | 1.67 | 1.50 | 2.33 | 3.00 | 2.50 | 2.67 | 2.33 | 2.50 | 3.50 | 3.00 | 1.99 | 45.73 |
| a | 1.67 | 0.67 | 0.00 | 1.00 | 2.00 | 1.00 | 0.67 | 0.50 | 1.00 | 1.00 | 0.67 | 1.00 | 1.33 | 0.67 | 0.67 | 0.33 | 2.00 | 3.00 | 2.67 | 1.67 | 0.67 | 1.50 | 1.00 | 0.33 | 1.00 | 0.67 | 1.00 | 0.50 | 1.00 | 1.00 | 1.07 | 24.59 |
| h | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.51 |
| k | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 1.00 | 1.00 | 1.00 | 1.00 | 0.50 | 1.00 | 0.33 | 1.00 | 1.00 | 1.00 | 0.32 | 7.26 |
| x | 0.67 | 1.33 | 1.67 | 1.00 | 0.00 | 1.67 | 0.67 | 2.00 | 0.33 | 0.33 | 0.33 | 0.00 | 1.00 | 0.33 | 2.33 | 2.00 | 0.67 | 1.00 | 2.33 | 3.00 | 1.00 | 2.50 | 2.67 | 1.33 | 0.50 | 1.67 | 1.00 | 0.50 | 2.00 | 1.00 | 1.23 | 28.15 |
| o | 3.33 | 3.33 | 3.00 | 3.67 | 3.00 | 2.33 | 3.00 | 1.50 | 1.33 | 1.33 | 1.00 | 1.00 | 1.00 | 2.00 | 1.67 | 2.67 | 4.00 | 3.67 | 2.67 | 1.33 | 2.67 | 3.00 | 3.67 | 2.67 | 3.50 | 2.67 | 3.67 | 4.00 | 2.50 | 3.00 | 2.61 | 59.75 |
| i | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.67 | 1.00 | 1.00 | 0.67 | 0.67 | 0.33 | 0.00 | 0.33 | 0.00 | 0.33 | 0.67 | 0.00 | 0.33 | 0.67 | 1.00 | 1.00 | 1.00 | 0.50 | 0.50 | 1.00 | 0.42 | 9.68 |
| c | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.00 | 0.33 | 0.00 | 0.50 | 0.50 | 0.50 | 0.11 | 2.42 |
| CV | 63.33 | 68.00 | 59.00 | 84.33 | 54.33 | 64.33 | 57.33 | 29.50 | 18.00 | 24.67 | 49.00 | 37.00 | 44.00 | 42.00 | 42.67 | 48.00 | 65.67 | 69.67 | 68.00 | 78.00 | 74.67 | 73.00 | 105.33 | 100.67 | 91.50 | 101.33 | 79.33 | 113.00 | 130.50 | 135.50 | 69.06 | 100 |
| CVn | 21.00 | 16.00 | 5.67 | 1.67 | 0.00 | 0.33 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 3.67 | 4.33 | 15.00 | 36.67 | 41.67 | 39.67 | 52.33 | 57.00 | 53.50 | 70.33 | 61.33 | 46.50 | 53.00 | 45.00 | 53.00 | 52.50 | 52.50 | 26.13 | 37.84 |
| CVs | 42.33 | 52.00 | 53.33 | 82.67 | 54.33 | 64.00 | 57.33 | 28.50 | 18.00 | 24.67 | 49.00 | 37.00 | 43.67 | 38.33 | 38.33 | 33.00 | 29.00 | 28.00 | 28.33 | 25.67 | 17.67 | 19.50 | 35.00 | 39.33 | 45.00 | 48.33 | 34.33 | 60.00 | 78.00 | 83.00 | 42.92 | 62.16 |
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