Statistics of sunspot activity
October, 2002
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 | 90.00 | 100.50 | 84.00 | 89.75 | 136.33 | 116.75 | 129.33 | 155.25 | 177.50 | 215.33 | 160.00 | 168.67 | 149.00 | 158.50 | 158.00 | 185.25 | 192.00 | 174.75 | 157.25 | 166.25 | 129.33 | 126.00 | 103.00 | 100.50 | 119.25 | 166.00 | 115.00 | 133.00 | 159.25 | 163.25 | 129.25 | 142.20 | 100 |
| Wn | 56.50 | 52.75 | 50.00 | 60.00 | 84.33 | 58.00 | 71.00 | 85.00 | 91.00 | 123.00 | 102.75 | 99.00 | 91.33 | 83.75 | 77.25 | 79.00 | 79.67 | 57.50 | 64.50 | 88.50 | 74.00 | 73.50 | 68.25 | 87.75 | 99.00 | 127.00 | 79.00 | 80.75 | 98.00 | 112.50 | 106.50 | 82.62 | 58.10 |
| Ws | 33.50 | 47.75 | 34.00 | 29.75 | 52.00 | 58.75 | 58.33 | 70.25 | 86.50 | 92.33 | 57.25 | 69.67 | 57.67 | 74.75 | 80.75 | 106.25 | 112.33 | 117.25 | 92.75 | 77.75 | 55.33 | 52.50 | 34.75 | 12.75 | 20.25 | 39.00 | 36.00 | 52.25 | 61.25 | 50.75 | 22.75 | 59.59 | 41.90 |
| n | 4.25 | 5.25 | 4.25 | 4.25 | 6.33 | 6.00 | 6.67 | 8.50 | 11.00 | 12.33 | 10.75 | 11.67 | 9.33 | 10.00 | 9.75 | 10.50 | 10.33 | 9.25 | 8.00 | 8.00 | 6.67 | 5.50 | 5.00 | 4.75 | 6.00 | 8.00 | 7.25 | 8.00 | 10.25 | 10.75 | 9.00 | 7.99 | 100 |
| A | 0.00 | 0.50 | 0.25 | 0.50 | 1.00 | 0.50 | 0.33 | 0.75 | 1.00 | 1.67 | 0.75 | 1.33 | 0.33 | 0.00 | 0.00 | 1.00 | 0.00 | 1.00 | 0.75 | 1.25 | 0.33 | 0.00 | 0.50 | 0.00 | 0.25 | 0.00 | 0.00 | 0.50 | 1.25 | 0.50 | 0.00 | 0.52 | 6.56 |
| B | 0.50 | 0.25 | 0.00 | 0.25 | 0.67 | 0.00 | 0.33 | 0.75 | 1.00 | 0.67 | 1.00 | 1.00 | 0.00 | 0.50 | 1.00 | 0.50 | 0.67 | 0.50 | 0.00 | 0.00 | 0.33 | 1.50 | 0.00 | 0.50 | 0.00 | 0.00 | 0.25 | 0.25 | 0.00 | 0.00 | 0.25 | 0.41 | 5.12 |
| C | 0.50 | 0.00 | 0.50 | 0.00 | 1.00 | 1.00 | 1.33 | 0.50 | 1.75 | 1.67 | 2.25 | 1.67 | 0.67 | 1.25 | 3.25 | 2.50 | 2.00 | 1.75 | 0.00 | 0.25 | 1.33 | 0.50 | 1.00 | 1.00 | 1.50 | 3.00 | 1.50 | 1.25 | 2.75 | 2.75 | 1.75 | 1.36 | 17.03 |
| D | 2.00 | 2.50 | 1.25 | 2.00 | 2.00 | 2.00 | 2.00 | 2.50 | 3.00 | 5.00 | 3.25 | 4.00 | 3.33 | 1.50 | 0.75 | 2.00 | 2.67 | 2.75 | 2.75 | 2.25 | 1.67 | 2.50 | 1.75 | 0.75 | 1.00 | 2.00 | 1.25 | 1.25 | 2.00 | 3.25 | 3.25 | 2.26 | 28.34 |
| E | 0.50 | 0.50 | 1.00 | 1.00 | 1.00 | 0.75 | 1.00 | 0.75 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.75 | 0.75 | 0.33 | 0.50 | 0.50 | 0.75 | 0.33 | 0.50 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.40 | 5.02 |
| F | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.50 | 1.00 | 1.00 | 0.50 | 1.00 | 0.75 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.50 | 0.00 | 0.35 | 4.34 |
| G | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.75 | 0.33 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 1.33 | 1.25 | 0.50 | 0.75 | 0.67 | 1.25 | 1.25 | 0.50 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.32 | 4.01 |
| H | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 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 | 0.05 | 0.61 |
| I | 0.75 | 1.50 | 1.00 | 0.50 | 0.33 | 1.00 | 1.33 | 2.75 | 3.75 | 3.33 | 3.50 | 3.67 | 3.67 | 5.00 | 3.50 | 3.00 | 3.33 | 1.25 | 2.25 | 2.00 | 1.33 | 0.00 | 0.75 | 1.50 | 2.25 | 2.00 | 3.25 | 3.75 | 3.25 | 3.75 | 2.50 | 2.31 | 28.98 |
| x | 0.50 | 0.75 | 0.25 | 0.75 | 1.67 | 0.50 | 0.67 | 1.50 | 2.00 | 2.33 | 1.75 | 2.33 | 0.33 | 0.50 | 1.00 | 1.50 | 0.67 | 1.50 | 0.75 | 1.25 | 0.67 | 1.50 | 0.50 | 0.50 | 0.25 | 0.00 | 0.25 | 0.75 | 1.25 | 0.50 | 0.25 | 0.93 | 11.68 |
| r | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.67 | 0.00 | 0.00 | 0.00 | 0.50 | 1.33 | 0.00 | 0.75 | 1.00 | 0.25 | 0.67 | 0.75 | 0.25 | 0.00 | 0.33 | 0.00 | 0.00 | 0.25 | 0.25 | 1.00 | 0.25 | 0.75 | 0.25 | 0.50 | 0.25 | 0.35 | 4.44 |
| s | 1.50 | 2.25 | 1.75 | 1.25 | 0.67 | 2.25 | 2.33 | 3.50 | 3.75 | 2.67 | 6.25 | 5.67 | 7.00 | 6.25 | 5.25 | 3.50 | 4.67 | 2.50 | 3.00 | 3.50 | 2.33 | 1.00 | 1.25 | 1.75 | 2.25 | 5.00 | 3.50 | 2.75 | 5.25 | 3.75 | 4.75 | 3.33 | 41.64 |
| a | 2.00 | 1.25 | 1.00 | 1.50 | 2.33 | 2.00 | 1.00 | 2.25 | 4.00 | 5.67 | 1.00 | 1.67 | 0.67 | 2.00 | 2.25 | 4.75 | 3.33 | 3.25 | 2.75 | 2.25 | 2.33 | 1.50 | 2.00 | 1.00 | 2.00 | 1.00 | 2.00 | 2.75 | 2.50 | 4.75 | 3.25 | 2.32 | 29.08 |
| h | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.25 | 0.67 | 0.25 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.67 | 0.25 | 0.25 | 0.50 | 0.33 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.25 | 0.25 | 0.25 | 0.25 | 0.00 | 0.17 | 2.12 |
| k | 0.25 | 1.00 | 1.00 | 0.75 | 1.67 | 1.25 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.67 | 1.00 | 0.50 | 0.25 | 0.50 | 0.33 | 1.00 | 1.00 | 0.50 | 0.67 | 1.50 | 1.00 | 1.25 | 1.25 | 1.00 | 1.00 | 0.75 | 0.75 | 1.00 | 0.50 | 0.88 | 11.04 |
| x | 0.75 | 2.00 | 1.25 | 1.00 | 1.67 | 1.50 | 1.67 | 3.50 | 5.00 | 5.00 | 4.25 | 5.00 | 4.00 | 5.00 | 3.50 | 4.00 | 4.00 | 2.25 | 3.00 | 3.25 | 1.67 | 0.00 | 1.25 | 1.50 | 2.50 | 2.00 | 3.25 | 4.25 | 4.50 | 4.25 | 2.75 | 2.89 | 36.15 |
| o | 2.50 | 1.50 | 1.50 | 1.00 | 2.67 | 3.00 | 3.67 | 4.00 | 5.50 | 5.67 | 5.25 | 5.67 | 4.67 | 4.50 | 5.50 | 5.25 | 4.67 | 4.75 | 3.25 | 3.00 | 3.67 | 4.50 | 2.75 | 2.25 | 2.25 | 5.00 | 3.00 | 2.75 | 4.75 | 5.75 | 5.50 | 3.86 | 48.33 |
| i | 1.00 | 1.50 | 1.25 | 2.00 | 1.67 | 1.25 | 1.00 | 0.75 | 0.00 | 1.00 | 0.75 | 1.00 | 0.67 | 0.50 | 0.50 | 1.00 | 1.67 | 1.75 | 1.25 | 1.50 | 1.00 | 1.00 | 0.75 | 0.50 | 0.75 | 0.00 | 0.75 | 0.75 | 0.50 | 0.75 | 0.75 | 0.95 | 11.92 |
| c | 0.00 | 0.25 | 0.25 | 0.25 | 0.33 | 0.25 | 0.33 | 0.25 | 0.50 | 0.67 | 0.50 | 0.00 | 0.00 | 0.00 | 0.25 | 0.25 | 0.00 | 0.50 | 0.50 | 0.25 | 0.33 | 0.00 | 0.25 | 0.50 | 0.50 | 1.00 | 0.25 | 0.25 | 0.50 | 0.00 | 0.00 | 0.29 | 3.60 |
| CV | 74.00 | 110.25 | 105.00 | 96.25 | 129.00 | 130.75 | 122.67 | 149.25 | 162.50 | 201.67 | 169.25 | 155.33 | 186.33 | 142.50 | 116.50 | 139.50 | 166.00 | 167.75 | 169.50 | 157.25 | 128.00 | 123.00 | 112.25 | 99.50 | 113.00 | 148.00 | 131.00 | 121.00 | 156.75 | 166.75 | 150.00 | 138.73 | 100 |
| CVn | 51.00 | 72.75 | 60.25 | 67.25 | 73.33 | 70.50 | 61.67 | 89.50 | 93.75 | 120.33 | 115.75 | 100.33 | 113.33 | 78.25 | 58.50 | 54.75 | 83.00 | 88.00 | 85.00 | 93.00 | 79.67 | 77.00 | 71.25 | 81.75 | 89.25 | 102.00 | 88.75 | 78.50 | 102.00 | 119.75 | 127.75 | 85.42 | 61.57 |
| CVs | 23.00 | 37.50 | 44.75 | 29.00 | 55.67 | 60.25 | 61.00 | 59.75 | 68.75 | 81.33 | 53.50 | 55.00 | 73.00 | 64.25 | 58.00 | 84.75 | 83.00 | 79.75 | 84.50 | 64.25 | 48.33 | 46.00 | 41.00 | 17.75 | 23.75 | 46.00 | 42.25 | 42.50 | 54.75 | 47.00 | 22.25 | 53.31 | 38.43 |
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