Statistics of sunspot activity
August, 2013
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 | 99.00 | 120.00 | 109.33 | 97.00 | 81.67 | 66.00 | 92.00 | 87.67 | 68.33 | 81.00 | 79.67 | 82.67 | 109.00 | 106.00 | 102.00 | 102.67 | 101.00 | 126.00 | 144.33 | 117.33 | 137.33 | 122.33 | 125.00 | 87.00 | 37.00 | 39.33 | 51.67 | 49.50 | 55.00 | 60.67 | 60.50 | 90.26 | 100 |
| Wn | 48.00 | 58.67 | 63.00 | 43.00 | 36.00 | 32.67 | 40.00 | 33.33 | 15.67 | 12.00 | 11.67 | 7.67 | 11.00 | 9.33 | 0.00 | 0.00 | 7.33 | 28.33 | 48.33 | 38.67 | 55.67 | 59.67 | 66.67 | 36.00 | 11.33 | 16.00 | 29.00 | 28.00 | 38.00 | 40.33 | 41.50 | 31.19 | 34.55 |
| Ws | 51.00 | 61.33 | 46.33 | 54.00 | 45.67 | 33.33 | 52.00 | 54.33 | 52.67 | 69.00 | 68.00 | 75.00 | 98.00 | 96.67 | 102.00 | 102.67 | 93.67 | 97.67 | 96.00 | 78.67 | 81.67 | 62.67 | 58.33 | 51.00 | 25.67 | 23.33 | 22.67 | 21.50 | 17.00 | 20.33 | 19.00 | 59.07 | 65.45 |
| n | 7.67 | 8.00 | 7.00 | 7.00 | 5.67 | 4.33 | 6.33 | 6.67 | 5.33 | 6.50 | 5.67 | 5.00 | 6.00 | 5.00 | 6.50 | 6.00 | 6.67 | 9.00 | 9.67 | 7.33 | 9.00 | 8.67 | 8.67 | 6.67 | 3.33 | 3.33 | 4.00 | 3.50 | 3.00 | 3.00 | 3.00 | 6.05 | 100 |
| A | 0.67 | 0.33 | 1.00 | 1.67 | 0.67 | 0.33 | 1.00 | 1.00 | 1.33 | 1.50 | 1.00 | 1.33 | 2.00 | 0.33 | 0.00 | 0.67 | 1.00 | 3.00 | 1.00 | 0.33 | 1.33 | 0.33 | 0.33 | 1.00 | 0.67 | 0.67 | 0.33 | 0.50 | 0.00 | 0.00 | 0.00 | 0.82 | 13.51 |
| B | 1.00 | 1.67 | 1.00 | 0.67 | 1.00 | 0.33 | 0.67 | 0.33 | 0.00 | 0.00 | 1.33 | 0.33 | 0.00 | 1.33 | 2.00 | 1.67 | 0.67 | 1.00 | 2.33 | 0.33 | 0.67 | 1.00 | 1.33 | 0.67 | 0.33 | 0.33 | 0.67 | 0.00 | 0.00 | 0.33 | 0.00 | 0.74 | 12.27 |
| C | 1.33 | 2.67 | 1.00 | 2.33 | 2.67 | 1.67 | 1.67 | 1.00 | 1.00 | 1.50 | 0.67 | 0.33 | 2.00 | 1.33 | 1.00 | 1.00 | 1.67 | 1.67 | 2.33 | 2.67 | 2.33 | 1.67 | 2.33 | 2.00 | 0.00 | 0.67 | 0.00 | 1.00 | 0.50 | 0.67 | 1.50 | 1.42 | 23.56 |
| D | 1.33 | 1.00 | 2.00 | 0.33 | 0.33 | 0.33 | 0.33 | 1.67 | 0.67 | 0.50 | 1.33 | 2.00 | 1.00 | 1.00 | 1.50 | 1.00 | 1.33 | 1.67 | 2.67 | 3.00 | 3.00 | 3.33 | 1.67 | 0.33 | 0.00 | 0.33 | 1.00 | 1.00 | 1.50 | 1.33 | 0.50 | 1.26 | 20.80 |
| 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 | 1.00 | 0.67 | 0.50 | 0.67 | 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 | 0.50 | 0.12 | 1.96 |
| 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 | 0.33 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.50 | 0.33 | 0.67 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.67 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.14 | 2.31 |
| H | 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 | 0.33 | 0.33 | 0.67 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 1.60 |
| I | 3.33 | 2.33 | 1.67 | 1.67 | 1.00 | 1.67 | 2.33 | 2.67 | 2.33 | 3.00 | 1.33 | 1.00 | 0.00 | 0.00 | 1.00 | 0.33 | 1.33 | 1.33 | 1.00 | 0.33 | 1.00 | 1.67 | 2.33 | 2.33 | 2.33 | 1.33 | 1.67 | 1.00 | 1.00 | 0.67 | 0.00 | 1.45 | 24.00 |
| x | 1.67 | 2.00 | 2.00 | 2.33 | 1.67 | 0.67 | 1.67 | 1.33 | 1.33 | 1.50 | 2.33 | 1.67 | 2.00 | 1.67 | 2.00 | 2.33 | 1.67 | 4.00 | 3.33 | 0.67 | 2.00 | 1.33 | 1.67 | 1.67 | 1.00 | 1.00 | 1.00 | 0.50 | 0.00 | 0.33 | 0.00 | 1.56 | 25.78 |
| r | 2.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.67 | 1.00 | 2.00 | 1.00 | 0.33 | 1.00 | 0.33 | 0.50 | 0.33 | 1.00 | 0.33 | 0.33 | 0.33 | 0.33 | 0.67 | 0.67 | 0.33 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.33 | 0.50 | 0.56 | 9.24 |
| s | 3.00 | 3.33 | 3.00 | 3.00 | 3.67 | 2.67 | 3.33 | 2.00 | 1.67 | 2.00 | 1.67 | 1.33 | 2.00 | 0.67 | 1.50 | 1.00 | 2.00 | 1.67 | 2.33 | 2.33 | 3.67 | 5.33 | 5.00 | 2.67 | 1.67 | 1.67 | 2.33 | 1.50 | 0.50 | 1.00 | 2.00 | 2.31 | 38.13 |
| a | 1.00 | 1.00 | 1.33 | 1.67 | 0.33 | 1.00 | 0.33 | 1.67 | 1.33 | 1.00 | 0.00 | 1.00 | 1.00 | 1.33 | 1.50 | 1.00 | 0.67 | 1.67 | 3.00 | 3.00 | 2.33 | 1.00 | 1.33 | 2.00 | 0.67 | 0.00 | 0.00 | 0.50 | 1.50 | 0.33 | 0.50 | 1.13 | 18.67 |
| 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 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.33 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 1.07 |
| k | 0.00 | 0.67 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.67 | 0.00 | 1.00 | 1.00 | 1.00 | 1.33 | 1.33 | 0.67 | 1.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 1.00 | 0.00 | 0.43 | 7.11 |
| x | 4.00 | 2.67 | 3.00 | 3.33 | 1.67 | 2.00 | 3.33 | 3.67 | 3.67 | 4.50 | 2.33 | 2.33 | 2.00 | 0.33 | 1.00 | 1.33 | 2.33 | 4.67 | 2.33 | 1.33 | 2.67 | 2.33 | 2.67 | 3.33 | 3.00 | 2.00 | 2.33 | 1.50 | 1.00 | 0.67 | 0.00 | 2.37 | 39.11 |
| o | 3.33 | 4.67 | 3.33 | 3.67 | 3.67 | 2.33 | 3.00 | 3.00 | 1.67 | 2.00 | 3.33 | 1.33 | 2.00 | 3.33 | 5.00 | 3.33 | 4.33 | 4.33 | 7.00 | 4.67 | 4.33 | 5.67 | 5.33 | 3.33 | 0.33 | 1.33 | 1.67 | 2.00 | 1.00 | 1.67 | 0.50 | 3.11 | 51.47 |
| i | 0.33 | 0.67 | 0.67 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.33 | 0.50 | 1.33 | 0.00 | 0.00 | 0.33 | 1.00 | 1.00 | 0.67 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.67 | 2.00 | 0.39 | 6.49 |
| c | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 2.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.18 | 2.93 |
| CV | 65.33 | 92.33 | 98.00 | 57.33 | 49.67 | 40.33 | 54.33 | 59.00 | 41.33 | 44.00 | 63.67 | 79.67 | 84.00 | 90.00 | 97.50 | 96.67 | 103.67 | 102.67 | 115.33 | 132.67 | 143.33 | 132.67 | 104.00 | 55.67 | 22.67 | 36.33 | 64.67 | 66.00 | 68.00 | 64.33 | 56.50 | 76.83 | 100 |
| CVn | 42.00 | 47.67 | 65.67 | 26.00 | 22.00 | 20.00 | 30.00 | 19.33 | 9.67 | 7.50 | 1.33 | 0.67 | 1.00 | 1.33 | 0.00 | 0.00 | 3.67 | 2.67 | 25.33 | 32.33 | 47.00 | 49.00 | 40.00 | 21.00 | 4.33 | 3.00 | 30.00 | 25.00 | 23.50 | 20.33 | 33.50 | 21.12 | 27.49 |
| CVs | 23.33 | 44.67 | 32.33 | 31.33 | 27.67 | 20.33 | 24.33 | 39.67 | 31.67 | 36.50 | 62.33 | 79.00 | 83.00 | 88.67 | 97.50 | 96.67 | 100.00 | 100.00 | 90.00 | 100.33 | 96.33 | 83.67 | 64.00 | 34.67 | 18.33 | 33.33 | 34.67 | 41.00 | 44.50 | 44.00 | 23.00 | 55.70 | 72.51 |
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