Statistics of sunspot activity
October, 2004
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 | 31 | Average | % |
| W | 29.00 | 26.00 | 37.75 | 37.75 | 42.00 | 28.00 | 31.33 | 26.00 | 24.00 | 0.00 | 17.00 | 17.33 | 32.67 | 32.75 | 28.67 | 41.00 | 62.00 | 84.25 | 76.50 | 96.75 | 101.25 | 114.00 | 131.25 | 148.67 | 139.33 | 135.00 | 144.33 | 144.25 | 116.75 | 137.25 | 141.33 | 71.75 | 100 |
| Wn | 3.50 | 3.00 | 9.00 | 9.25 | 3.67 | 3.50 | 9.33 | 14.33 | 13.00 | 0.00 | 17.00 | 13.67 | 17.00 | 9.75 | 0.00 | 3.00 | 0.00 | 5.75 | 3.00 | 15.25 | 19.00 | 40.00 | 64.25 | 88.00 | 101.00 | 105.50 | 100.33 | 87.50 | 75.25 | 76.50 | 66.67 | 31.52 | 43.93 |
| Ws | 25.50 | 23.00 | 28.75 | 28.50 | 38.33 | 24.50 | 22.00 | 11.67 | 11.00 | 0.00 | 0.00 | 3.67 | 15.67 | 23.00 | 28.67 | 38.00 | 62.00 | 78.50 | 73.50 | 81.50 | 82.25 | 74.00 | 67.00 | 60.67 | 38.33 | 29.50 | 44.00 | 56.75 | 41.50 | 60.75 | 74.67 | 40.23 | 56.07 |
| n | 2.50 | 2.25 | 3.00 | 2.75 | 3.00 | 2.25 | 2.67 | 2.00 | 2.00 | 0.00 | 1.00 | 1.33 | 2.00 | 1.75 | 1.33 | 2.00 | 3.75 | 5.25 | 5.25 | 5.75 | 6.25 | 6.33 | 8.00 | 7.33 | 6.67 | 7.00 | 7.67 | 8.25 | 7.00 | 8.00 | 7.00 | 4.24 | 100 |
| A | 0.25 | 0.25 | 0.25 | 0.00 | 0.33 | 0.25 | 0.33 | 0.67 | 1.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.25 | 0.33 | 0.75 | 0.75 | 1.75 | 0.75 | 0.25 | 0.25 | 0.67 | 0.75 | 0.33 | 0.00 | 0.25 | 0.67 | 0.00 | 0.00 | 0.75 | 0.67 | 0.41 | 9.77 |
| B | 0.25 | 0.00 | 0.25 | 0.75 | 0.33 | 0.25 | 0.33 | 0.33 | 0.00 | 0.00 | 1.00 | 0.33 | 0.33 | 0.25 | 0.00 | 0.00 | 0.25 | 0.25 | 1.25 | 0.50 | 1.50 | 0.00 | 0.75 | 0.33 | 0.00 | 0.25 | 0.67 | 1.00 | 0.75 | 0.25 | 0.33 | 0.40 | 9.52 |
| C | 0.00 | 0.25 | 0.50 | 0.25 | 1.33 | 0.75 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.33 | 1.00 | 0.25 | 0.00 | 0.25 | 0.25 | 1.00 | 2.00 | 1.00 | 1.00 | 0.67 | 0.25 | 0.33 | 1.67 | 0.75 | 1.67 | 1.50 | 0.50 | 1.50 | 1.33 | 0.69 | 16.24 |
| D | 0.00 | 0.00 | 1.00 | 1.00 | 0.33 | 0.25 | 0.33 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.75 | 1.00 | 0.75 | 1.25 | 1.25 | 0.25 | 1.75 | 1.75 | 1.33 | 1.50 | 2.33 | 2.00 | 1.25 | 1.33 | 1.25 | 1.75 | 1.25 | 2.00 | 0.94 | 22.08 |
| 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.75 | 0.75 | 0.67 | 0.50 | 1.00 | 1.00 | 1.25 | 0.67 | 1.25 | 0.75 | 0.75 | 0.67 | 0.33 | 7.80 |
| 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.33 | 0.02 | 0.44 |
| G | 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 | 0.25 | 0.25 | 0.25 | 1.00 | 0.50 | 0.33 | 0.00 | 0.25 | 0.00 | 0.50 | 0.25 | 0.25 | 0.00 | 0.12 | 2.92 |
| 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.01 | 0.19 |
| I | 2.00 | 1.75 | 1.00 | 0.75 | 0.67 | 0.75 | 1.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.25 | 0.00 | 0.25 | 1.25 | 1.00 | 0.50 | 1.25 | 0.75 | 2.00 | 3.75 | 2.67 | 2.00 | 3.00 | 2.67 | 2.75 | 3.00 | 2.75 | 1.67 | 1.31 | 31.03 |
| x | 0.50 | 0.25 | 0.50 | 0.75 | 0.67 | 0.50 | 0.67 | 1.00 | 1.00 | 0.00 | 1.00 | 0.67 | 0.33 | 0.50 | 0.33 | 0.75 | 1.00 | 2.00 | 2.00 | 0.75 | 1.75 | 0.67 | 1.50 | 0.67 | 0.00 | 0.50 | 1.33 | 1.00 | 0.75 | 1.00 | 1.00 | 0.82 | 19.29 |
| r | 0.00 | 0.00 | 0.00 | 0.25 | 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 | 0.25 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.33 | 0.07 | 1.59 |
| s | 2.00 | 2.00 | 2.00 | 1.25 | 2.00 | 1.75 | 1.33 | 0.33 | 1.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.75 | 0.00 | 0.25 | 1.75 | 0.50 | 1.75 | 2.25 | 2.50 | 2.67 | 3.75 | 1.67 | 2.33 | 2.50 | 3.33 | 3.50 | 2.25 | 2.50 | 1.00 | 1.60 | 37.75 |
| a | 0.00 | 0.00 | 0.50 | 0.50 | 0.00 | 0.00 | 0.67 | 0.67 | 0.00 | 0.00 | 0.00 | 0.33 | 1.33 | 0.50 | 1.00 | 1.00 | 1.00 | 2.50 | 1.50 | 2.75 | 1.50 | 2.00 | 2.50 | 4.33 | 4.33 | 3.75 | 1.67 | 2.50 | 3.25 | 2.50 | 3.33 | 1.48 | 34.96 |
| 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.25 | 0.25 | 0.25 | 0.33 | 0.07 | 1.59 |
| k | 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 | 0.50 | 0.33 | 0.25 | 0.67 | 0.00 | 0.25 | 0.33 | 1.00 | 0.50 | 1.50 | 1.00 | 0.20 | 4.82 |
| x | 2.25 | 2.00 | 1.25 | 0.75 | 1.00 | 1.00 | 2.00 | 0.67 | 1.00 | 0.00 | 0.00 | 0.67 | 0.33 | 0.50 | 0.33 | 1.00 | 2.00 | 2.75 | 1.25 | 1.50 | 1.00 | 2.67 | 4.50 | 3.00 | 2.00 | 3.25 | 3.33 | 2.75 | 3.00 | 3.75 | 2.33 | 1.74 | 40.99 |
| o | 0.25 | 0.25 | 1.50 | 1.75 | 2.00 | 1.25 | 0.33 | 1.33 | 1.00 | 0.00 | 1.00 | 0.67 | 1.67 | 0.75 | 0.33 | 0.25 | 1.25 | 2.00 | 3.75 | 3.50 | 4.50 | 2.33 | 2.25 | 2.33 | 3.67 | 2.50 | 3.00 | 4.00 | 2.50 | 3.25 | 3.33 | 1.89 | 44.54 |
| i | 0.00 | 0.00 | 0.25 | 0.25 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.67 | 0.75 | 0.50 | 0.50 | 0.25 | 0.75 | 0.25 | 1.33 | 1.00 | 1.67 | 1.00 | 1.00 | 1.33 | 1.50 | 1.25 | 0.50 | 0.33 | 0.51 | 12.12 |
| c | 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 | 0.50 | 0.00 | 0.25 | 0.33 | 0.00 | 0.25 | 0.00 | 0.00 | 0.25 | 0.50 | 1.00 | 0.10 | 2.35 |
| CV | 20.75 | 20.50 | 39.75 | 32.25 | 28.67 | 22.75 | 24.00 | 22.33 | 12.00 | 0.00 | 2.00 | 7.00 | 18.33 | 22.75 | 21.33 | 21.25 | 44.00 | 43.25 | 44.25 | 82.50 | 104.25 | 100.00 | 104.50 | 124.33 | 97.33 | 103.25 | 129.00 | 140.25 | 113.75 | 143.25 | 130.00 | 58.70 | 100 |
| CVn | 0.50 | 0.25 | 13.00 | 7.25 | 0.33 | 2.75 | 8.00 | 21.00 | 11.00 | 0.00 | 2.00 | 4.67 | 7.00 | 3.25 | 0.00 | 0.25 | 0.00 | 0.50 | 4.75 | 16.25 | 28.25 | 42.33 | 49.75 | 81.33 | 56.67 | 70.00 | 84.67 | 60.25 | 55.50 | 67.50 | 48.00 | 24.10 | 41.05 |
| CVs | 20.25 | 20.25 | 26.75 | 25.00 | 28.33 | 20.00 | 16.00 | 1.33 | 1.00 | 0.00 | 0.00 | 2.33 | 11.33 | 19.50 | 21.33 | 21.00 | 44.00 | 42.75 | 39.50 | 66.25 | 76.00 | 57.67 | 54.75 | 43.00 | 40.67 | 33.25 | 44.33 | 80.00 | 58.25 | 75.75 | 82.00 | 34.60 | 58.95 |
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