Statistics of sunspot activity
October, 2011
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 | 87.33 | 106.25 | 86.00 | 95.50 | 89.25 | 55.67 | 73.33 | 75.67 | 107.50 | 138.33 | 146.67 | 149.00 | 145.50 | 140.00 | 154.33 | 134.67 | 128.67 | 177.67 | 174.67 | 159.50 | 118.00 | 105.50 | 106.00 | 92.25 | 70.50 | 91.25 | 71.67 | 70.67 | 85.33 | 110.55 | 100 |
| Wn | 79.00 | 89.50 | 78.67 | 78.00 | 50.25 | 47.25 | 45.25 | 21.33 | 38.33 | 42.67 | 46.00 | 79.00 | 87.00 | 94.00 | 86.00 | 74.50 | 91.00 | 86.67 | 75.33 | 109.67 | 114.33 | 118.50 | 94.50 | 90.50 | 92.75 | 82.50 | 67.75 | 82.75 | 71.67 | 70.67 | 85.33 | 76.47 | 69.17 |
| Ws | 11.00 | 11.00 | 8.67 | 28.25 | 35.75 | 48.25 | 44.00 | 34.33 | 35.00 | 33.00 | 61.50 | 59.33 | 59.67 | 55.00 | 59.50 | 65.50 | 63.33 | 48.00 | 53.33 | 68.00 | 60.33 | 41.00 | 23.50 | 15.00 | 13.25 | 9.75 | 2.75 | 8.50 | 0.00 | 0.00 | 0.00 | 34.08 | 30.83 |
| n | 5.25 | 6.25 | 5.67 | 7.75 | 6.75 | 7.75 | 7.00 | 4.33 | 6.00 | 5.67 | 7.00 | 9.00 | 9.67 | 9.67 | 8.50 | 8.50 | 9.67 | 8.33 | 7.00 | 11.00 | 10.33 | 9.50 | 5.50 | 5.50 | 6.25 | 5.25 | 4.25 | 5.25 | 4.67 | 4.33 | 5.00 | 6.99 | 100 |
| A | 0.50 | 0.50 | 0.33 | 0.25 | 0.25 | 1.25 | 1.25 | 0.33 | 1.00 | 0.00 | 1.00 | 0.67 | 0.33 | 0.67 | 1.00 | 2.00 | 0.67 | 0.00 | 0.00 | 2.00 | 0.33 | 1.75 | 0.00 | 0.25 | 0.25 | 0.25 | 0.50 | 0.75 | 0.67 | 0.67 | 0.67 | 0.65 | 9.27 |
| B | 0.25 | 0.50 | 0.33 | 0.50 | 1.00 | 0.50 | 0.25 | 0.00 | 0.00 | 0.33 | 0.50 | 1.00 | 1.33 | 1.33 | 1.00 | 1.00 | 2.00 | 1.00 | 1.00 | 2.67 | 1.00 | 0.75 | 0.00 | 0.50 | 0.25 | 0.25 | 1.00 | 0.50 | 0.33 | 0.33 | 0.33 | 0.70 | 10.04 |
| C | 0.75 | 0.25 | 1.33 | 1.25 | 1.50 | 1.00 | 1.25 | 0.33 | 0.33 | 0.33 | 1.00 | 1.67 | 1.33 | 2.67 | 1.50 | 0.50 | 2.67 | 2.67 | 0.67 | 1.33 | 1.00 | 1.00 | 1.50 | 1.50 | 1.75 | 2.50 | 0.25 | 0.25 | 1.33 | 1.67 | 0.67 | 1.22 | 17.43 |
| D | 1.25 | 1.75 | 1.00 | 2.75 | 1.50 | 1.50 | 1.50 | 1.00 | 1.00 | 1.00 | 1.50 | 0.67 | 3.00 | 1.67 | 2.00 | 1.50 | 1.33 | 2.00 | 1.33 | 1.33 | 3.33 | 1.00 | 2.50 | 1.00 | 0.50 | 0.25 | 1.00 | 1.50 | 0.00 | 0.00 | 1.67 | 1.40 | 20.01 |
| E | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.33 | 0.67 | 1.00 | 1.00 | 1.00 | 1.33 | 0.67 | 1.00 | 1.00 | 1.00 | 0.50 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.33 | 0.38 | 5.39 |
| F | 0.50 | 0.50 | 0.33 | 0.25 | 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 | 0.67 | 0.00 | 0.00 | 0.00 | 0.50 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.12 | 1.65 |
| G | 0.75 | 1.00 | 0.67 | 0.50 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.33 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.67 | 0.67 | 0.00 | 0.50 | 0.50 | 1.25 | 0.75 | 0.75 | 1.00 | 0.33 | 0.33 | 0.33 | 0.38 | 5.39 |
| H | 0.00 | 0.00 | 0.00 | 0.25 | 0.50 | 0.75 | 1.00 | 1.00 | 0.67 | 1.33 | 1.50 | 1.33 | 1.00 | 1.00 | 1.00 | 1.00 | 0.67 | 0.00 | 0.67 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.46 | 6.62 |
| I | 1.25 | 1.75 | 1.67 | 2.00 | 2.00 | 2.75 | 1.75 | 1.33 | 3.00 | 2.33 | 1.50 | 2.67 | 2.33 | 1.67 | 1.00 | 1.50 | 1.33 | 1.33 | 1.33 | 1.33 | 3.00 | 4.00 | 0.00 | 1.00 | 2.00 | 1.25 | 0.75 | 1.25 | 1.67 | 0.67 | 1.00 | 1.69 | 24.20 |
| x | 0.75 | 1.00 | 0.67 | 0.75 | 1.25 | 1.75 | 1.50 | 0.33 | 1.00 | 0.33 | 1.50 | 1.67 | 1.67 | 2.00 | 2.00 | 3.00 | 2.67 | 1.00 | 1.00 | 4.67 | 1.33 | 2.50 | 0.00 | 0.75 | 0.50 | 0.50 | 1.50 | 1.25 | 1.00 | 1.00 | 1.00 | 1.35 | 19.32 |
| r | 0.25 | 0.75 | 0.33 | 0.25 | 1.00 | 0.25 | 0.00 | 0.67 | 0.33 | 0.00 | 1.50 | 0.33 | 0.33 | 0.33 | 0.00 | 0.00 | 0.67 | 0.67 | 0.33 | 0.00 | 0.67 | 0.75 | 0.50 | 0.25 | 0.75 | 0.00 | 0.75 | 0.50 | 1.00 | 0.67 | 0.00 | 0.45 | 6.39 |
| s | 2.75 | 2.50 | 2.00 | 4.75 | 3.00 | 4.25 | 3.25 | 2.00 | 3.00 | 3.00 | 0.50 | 4.33 | 3.33 | 3.33 | 3.00 | 2.00 | 2.67 | 4.00 | 1.33 | 3.67 | 5.67 | 3.50 | 2.00 | 1.50 | 2.50 | 3.50 | 0.75 | 1.75 | 1.67 | 1.67 | 2.33 | 2.76 | 39.48 |
| a | 0.25 | 0.50 | 0.67 | 0.75 | 1.00 | 0.75 | 1.25 | 0.33 | 0.67 | 1.00 | 1.50 | 1.00 | 2.00 | 1.67 | 0.50 | 1.00 | 2.00 | 1.33 | 2.33 | 0.33 | 1.00 | 2.25 | 2.50 | 2.00 | 1.50 | 0.25 | 0.50 | 0.75 | 0.00 | 0.00 | 0.67 | 1.04 | 14.89 |
| h | 0.25 | 0.50 | 1.00 | 0.75 | 0.50 | 0.50 | 1.00 | 1.00 | 1.00 | 0.67 | 1.00 | 1.00 | 1.00 | 1.67 | 3.00 | 2.00 | 0.67 | 0.33 | 1.00 | 2.00 | 1.00 | 0.00 | 0.50 | 0.00 | 0.50 | 0.00 | 0.25 | 1.00 | 0.67 | 0.67 | 0.33 | 0.83 | 11.89 |
| k | 1.00 | 1.00 | 1.00 | 0.50 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.67 | 1.00 | 0.67 | 1.33 | 0.67 | 0.00 | 0.50 | 1.00 | 1.00 | 1.00 | 0.33 | 0.67 | 0.50 | 0.00 | 1.00 | 0.50 | 1.00 | 0.50 | 0.00 | 0.33 | 0.33 | 0.67 | 0.56 | 8.04 |
| x | 1.75 | 2.25 | 2.00 | 2.50 | 2.75 | 4.75 | 4.00 | 2.67 | 4.67 | 3.67 | 4.00 | 4.67 | 3.67 | 3.33 | 3.00 | 4.50 | 2.67 | 1.33 | 2.00 | 4.00 | 3.33 | 5.75 | 0.00 | 1.25 | 2.25 | 1.50 | 1.25 | 2.00 | 2.33 | 1.33 | 1.67 | 2.80 | 40.09 |
| o | 2.75 | 3.00 | 2.67 | 5.00 | 4.00 | 2.75 | 2.75 | 1.67 | 1.33 | 1.00 | 2.00 | 3.67 | 4.33 | 4.67 | 3.50 | 2.50 | 5.67 | 5.33 | 3.33 | 4.67 | 5.67 | 2.25 | 4.00 | 3.00 | 3.75 | 3.25 | 2.75 | 3.25 | 1.67 | 2.00 | 2.33 | 3.24 | 46.40 |
| i | 0.00 | 0.75 | 0.67 | 0.00 | 0.00 | 0.25 | 0.25 | 0.00 | 0.00 | 1.00 | 0.50 | 0.67 | 1.33 | 1.33 | 2.00 | 0.50 | 0.33 | 0.67 | 0.67 | 1.00 | 0.33 | 0.75 | 1.00 | 1.00 | 0.25 | 0.50 | 0.25 | 0.00 | 0.67 | 1.00 | 1.00 | 0.60 | 8.62 |
| c | 0.75 | 0.25 | 0.33 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.33 | 0.33 | 0.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.33 | 1.00 | 0.75 | 0.50 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.34 | 4.89 |
| CV | 115.00 | 133.25 | 131.67 | 156.00 | 83.50 | 103.75 | 106.75 | 84.00 | 91.33 | 110.00 | 124.00 | 147.67 | 189.33 | 183.33 | 202.50 | 171.50 | 153.33 | 161.33 | 164.33 | 191.33 | 211.00 | 112.25 | 123.00 | 98.50 | 101.50 | 84.75 | 62.00 | 94.75 | 70.00 | 73.00 | 98.00 | 126.86 | 100 |
| CVn | 107.25 | 128.50 | 128.67 | 123.00 | 57.00 | 60.00 | 65.25 | 52.00 | 57.67 | 80.33 | 90.00 | 91.33 | 116.33 | 124.67 | 126.00 | 110.00 | 106.00 | 119.00 | 123.33 | 158.67 | 159.00 | 87.50 | 101.00 | 80.25 | 89.75 | 76.50 | 61.75 | 82.00 | 70.00 | 73.00 | 98.00 | 96.90 | 76.38 |
| CVs | 7.75 | 4.75 | 3.00 | 33.00 | 26.50 | 43.75 | 41.50 | 32.00 | 33.67 | 29.67 | 34.00 | 56.33 | 73.00 | 58.67 | 76.50 | 61.50 | 47.33 | 42.33 | 41.00 | 32.67 | 52.00 | 24.75 | 22.00 | 18.25 | 11.75 | 8.25 | 0.25 | 12.75 | 0.00 | 0.00 | 0.00 | 29.97 | 23.62 |
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