Statistics of sunspot activity
August, 2010
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 | 16.50 | 25.33 | 19.80 | 27.60 | 46.33 | 54.00 | 44.75 | 45.40 | 53.40 | 55.00 | 65.20 | 42.33 | 37.80 | 31.00 | 38.83 | 32.40 | 25.60 | 22.40 | 14.00 | 11.00 | 0.00 | 0.00 | 0.00 | 11.67 | 21.00 | 19.17 | 11.40 | 14.00 | 25.40 | 27.86 | 28.50 | 27.99 | 100 |
| Wn | 16.50 | 25.33 | 19.80 | 25.20 | 42.33 | 39.80 | 32.50 | 30.40 | 42.00 | 44.00 | 54.20 | 42.33 | 37.80 | 31.00 | 38.83 | 25.60 | 14.60 | 9.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 11.67 | 11.40 | 11.33 | 11.40 | 14.00 | 25.40 | 27.86 | 28.50 | 23.00 | 82.17 |
| Ws | 0.00 | 0.00 | 0.00 | 2.40 | 4.00 | 14.20 | 12.25 | 15.00 | 11.40 | 11.00 | 11.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.80 | 11.00 | 13.20 | 14.00 | 11.00 | 0.00 | 0.00 | 0.00 | 0.00 | 9.60 | 7.83 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 4.99 | 17.83 |
| n | 1.25 | 1.83 | 1.40 | 2.20 | 3.50 | 4.40 | 3.75 | 3.80 | 4.20 | 4.00 | 5.00 | 3.33 | 2.60 | 2.00 | 2.33 | 2.40 | 2.00 | 2.00 | 1.25 | 1.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.80 | 1.67 | 1.00 | 1.25 | 2.00 | 2.00 | 2.00 | 2.16 | 100 |
| A | 0.25 | 0.50 | 0.40 | 0.20 | 0.33 | 0.60 | 0.25 | 0.60 | 0.40 | 1.20 | 2.40 | 1.33 | 0.00 | 0.00 | 0.33 | 0.60 | 1.00 | 1.40 | 1.25 | 1.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.40 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 23.07 |
| B | 0.00 | 0.33 | 0.00 | 0.00 | 0.33 | 1.00 | 1.00 | 0.40 | 1.00 | 0.20 | 1.00 | 0.33 | 1.00 | 0.20 | 0.67 | 1.00 | 0.60 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.25 | 0.40 | 0.00 | 0.00 | 0.33 | 15.41 |
| C | 0.50 | 0.67 | 0.20 | 1.00 | 1.50 | 1.00 | 0.25 | 1.00 | 0.00 | 0.80 | 0.40 | 0.67 | 0.80 | 0.20 | 0.50 | 0.60 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.29 | 0.75 | 0.38 | 17.80 |
| D | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.40 | 0.33 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.71 | 0.25 | 0.10 | 4.48 |
| 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 | 0.00 | 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 |
| 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 | 0.00 | 0.00 | 0.00 | 0.00 |
| 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 | 0.00 | 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 |
| H | 0.50 | 0.33 | 0.40 | 0.40 | 0.50 | 0.60 | 0.25 | 0.60 | 0.80 | 0.20 | 0.20 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 0.17 | 7.85 |
| I | 0.00 | 0.00 | 0.40 | 0.60 | 0.33 | 1.00 | 2.00 | 1.20 | 2.00 | 1.60 | 0.80 | 0.67 | 0.80 | 1.20 | 0.50 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 1.20 | 1.00 | 1.00 | 1.00 | 1.00 | 0.86 | 1.00 | 0.68 | 31.39 |
| x | 0.25 | 0.83 | 0.40 | 0.20 | 0.67 | 1.60 | 1.25 | 1.00 | 1.40 | 1.40 | 3.40 | 1.67 | 1.00 | 0.20 | 1.00 | 1.60 | 1.60 | 1.80 | 1.25 | 1.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.60 | 0.67 | 0.00 | 0.25 | 0.40 | 0.00 | 0.00 | 0.83 | 38.48 |
| r | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.40 | 0.25 | 0.40 | 0.60 | 0.80 | 0.60 | 0.67 | 0.20 | 0.40 | 0.17 | 0.60 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.17 | 0.00 | 0.00 | 0.60 | 0.29 | 0.50 | 0.25 | 11.35 |
| s | 0.00 | 0.17 | 0.40 | 0.80 | 1.17 | 1.40 | 1.75 | 1.60 | 1.20 | 0.80 | 0.60 | 0.33 | 1.00 | 1.00 | 0.33 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.60 | 0.67 | 0.80 | 1.00 | 1.00 | 0.86 | 1.25 | 0.62 | 28.76 |
| a | 0.00 | 0.17 | 0.00 | 0.60 | 1.00 | 0.00 | 0.25 | 0.20 | 0.20 | 0.80 | 0.20 | 0.33 | 0.40 | 0.40 | 0.83 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.20 | 0.17 | 0.20 | 0.00 | 0.00 | 0.71 | 0.25 | 0.24 | 11.12 |
| h | 0.50 | 0.50 | 0.60 | 0.60 | 0.33 | 0.80 | 0.00 | 0.40 | 0.60 | 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 | 0.14 | 6.47 |
| k | 0.50 | 0.17 | 0.00 | 0.00 | 0.17 | 0.20 | 0.25 | 0.20 | 0.20 | 0.20 | 0.20 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 0.08 | 3.82 |
| x | 0.75 | 0.83 | 1.20 | 1.20 | 1.17 | 2.20 | 2.50 | 2.40 | 3.20 | 3.00 | 3.40 | 2.33 | 0.80 | 1.20 | 0.83 | 0.60 | 1.00 | 1.60 | 1.25 | 1.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.60 | 1.67 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.35 | 62.32 |
| o | 0.50 | 1.00 | 0.20 | 1.00 | 2.00 | 2.20 | 1.25 | 1.40 | 0.40 | 0.20 | 1.40 | 1.00 | 1.80 | 0.40 | 0.83 | 1.60 | 1.00 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.25 | 0.80 | 0.57 | 0.75 | 0.68 | 31.59 |
| i | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.60 | 0.80 | 0.20 | 0.00 | 0.00 | 0.40 | 0.67 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.43 | 0.25 | 0.13 | 6.09 |
| 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| CV | 39.25 | 30.83 | 28.60 | 37.40 | 48.17 | 59.80 | 32.00 | 44.80 | 50.20 | 27.40 | 24.00 | 23.33 | 16.40 | 20.40 | 17.00 | 9.60 | 4.20 | 3.60 | 1.25 | 1.00 | 0.00 | 0.00 | 0.00 | 6.00 | 9.80 | 9.17 | 9.40 | 10.50 | 15.60 | 30.29 | 21.00 | 20.35 | 100 |
| CVn | 39.25 | 30.83 | 28.60 | 37.20 | 47.67 | 56.00 | 28.50 | 38.80 | 45.60 | 22.20 | 23.00 | 23.33 | 16.40 | 20.40 | 17.00 | 9.00 | 3.20 | 1.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.00 | 8.20 | 8.50 | 9.40 | 10.50 | 15.60 | 30.29 | 21.00 | 19.28 | 94.72 |
| CVs | 0.00 | 0.00 | 0.00 | 0.20 | 0.50 | 3.80 | 3.50 | 6.00 | 4.60 | 5.20 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.60 | 1.00 | 2.40 | 1.25 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.60 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.07 | 5.28 |
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