Statistics of sunspot activity
August, 2015
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 | 57.75 | 56.25 | 57.25 | 77.25 | 86.50 | 95.50 | 94.50 | 78.00 | 74.50 | 55.50 | 63.50 | 67.00 | 54.00 | 37.50 | 35.50 | 35.50 | 36.00 | 33.20 | 47.00 | 63.50 | 73.50 | 69.67 | 70.25 | 74.75 | 73.25 | 44.75 | 51.25 | 47.67 | 50.33 | 48.50 | 44.75 | 59.82 | 100 |
| Wn | 41.00 | 41.25 | 48.00 | 52.25 | 41.50 | 52.75 | 50.25 | 39.00 | 25.50 | 22.00 | 25.50 | 24.50 | 15.50 | 15.00 | 14.50 | 11.50 | 7.67 | 9.20 | 3.25 | 6.00 | 12.25 | 12.67 | 15.50 | 13.75 | 14.75 | 0.00 | 2.75 | 0.00 | 11.33 | 18.00 | 30.50 | 21.86 | 36.54 |
| Ws | 16.75 | 15.00 | 9.25 | 25.00 | 45.00 | 42.75 | 44.25 | 39.00 | 49.00 | 33.50 | 38.00 | 42.50 | 38.50 | 22.50 | 21.00 | 24.00 | 28.33 | 24.00 | 43.75 | 57.50 | 61.25 | 57.00 | 54.75 | 61.00 | 58.50 | 44.75 | 48.50 | 47.67 | 39.00 | 30.50 | 14.25 | 37.96 | 63.46 |
| n | 4.25 | 4.50 | 4.50 | 5.25 | 5.00 | 6.25 | 6.00 | 4.25 | 3.25 | 3.00 | 3.75 | 4.00 | 3.50 | 2.25 | 2.00 | 2.00 | 2.00 | 2.20 | 2.50 | 2.50 | 2.75 | 2.00 | 1.75 | 2.00 | 2.25 | 1.00 | 2.25 | 2.00 | 3.33 | 4.00 | 3.25 | 3.21 | 100 |
| A | 0.25 | 0.50 | 0.75 | 1.00 | 0.00 | 2.00 | 1.50 | 1.00 | 0.50 | 0.25 | 1.50 | 1.50 | 1.25 | 0.00 | 0.00 | 0.50 | 0.67 | 0.60 | 0.25 | 0.25 | 1.00 | 0.33 | 0.00 | 0.25 | 1.00 | 0.00 | 1.25 | 0.33 | 0.67 | 1.75 | 1.00 | 0.70 | 21.95 |
| B | 0.00 | 0.75 | 0.25 | 0.25 | 0.75 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.75 | 0.25 | 0.25 | 0.25 | 0.50 | 0.67 | 0.00 | 0.25 | 0.00 | 0.25 | 0.00 | 0.75 | 0.25 | 0.25 | 0.00 | 0.00 | 0.67 | 1.33 | 1.50 | 1.50 | 0.38 | 11.97 |
| C | 1.25 | 0.75 | 1.00 | 0.75 | 1.00 | 0.25 | 0.50 | 1.00 | 0.25 | 0.00 | 0.00 | 0.50 | 0.00 | 1.00 | 1.00 | 0.00 | 0.67 | 1.20 | 0.25 | 0.25 | 0.25 | 0.67 | 0.25 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.75 | 0.46 | 14.35 |
| D | 0.00 | 0.25 | 0.25 | 1.25 | 1.00 | 0.75 | 0.50 | 0.25 | 0.00 | 0.25 | 0.00 | 0.00 | 0.50 | 1.00 | 0.75 | 0.50 | 0.00 | 0.20 | 1.75 | 2.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.41 | 12.76 |
| E | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 1.00 | 0.75 | 1.00 | 0.75 | 0.50 | 0.50 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.50 | 0.75 | 0.25 | 0.25 | 0.25 | 0.00 | 0.33 | 0.00 | 0.00 | 0.28 | 8.87 |
| F | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.50 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.25 | 0.75 | 0.75 | 0.50 | 0.67 | 0.33 | 0.00 | 0.00 | 0.15 | 4.77 |
| G | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 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 | 0.25 | 0.33 | 0.33 | 0.00 | 0.00 | 0.05 | 1.42 |
| H | 0.25 | 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 | 0.00 | 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 | 0.02 | 0.50 |
| I | 2.50 | 2.00 | 2.25 | 2.00 | 2.25 | 2.50 | 2.50 | 1.25 | 1.50 | 1.75 | 0.75 | 0.25 | 0.50 | 0.00 | 0.00 | 0.50 | 0.00 | 0.20 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.75 | 23.39 |
| x | 0.25 | 1.25 | 1.00 | 1.25 | 0.75 | 2.00 | 1.50 | 1.00 | 0.50 | 0.25 | 2.00 | 2.25 | 1.50 | 0.25 | 0.25 | 1.00 | 1.33 | 0.60 | 0.50 | 0.25 | 1.25 | 0.33 | 0.75 | 0.50 | 1.25 | 0.00 | 1.25 | 1.00 | 2.00 | 3.25 | 2.50 | 1.09 | 33.92 |
| r | 0.00 | 0.00 | 0.75 | 0.50 | 1.00 | 0.00 | 1.50 | 0.75 | 0.50 | 0.50 | 0.00 | 0.50 | 0.25 | 0.00 | 0.75 | 0.00 | 0.33 | 0.40 | 0.75 | 0.00 | 0.25 | 0.67 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.25 | 0.75 | 0.35 | 11.03 |
| s | 1.75 | 1.75 | 1.75 | 1.50 | 1.00 | 1.50 | 1.25 | 0.75 | 1.00 | 1.00 | 0.50 | 0.25 | 0.25 | 0.75 | 0.25 | 0.50 | 0.33 | 1.20 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.57 | 17.87 |
| a | 2.00 | 1.25 | 1.00 | 2.00 | 1.50 | 2.00 | 0.75 | 0.75 | 0.25 | 0.50 | 0.25 | 0.00 | 1.25 | 1.00 | 0.75 | 0.50 | 0.00 | 0.00 | 0.75 | 1.50 | 0.75 | 0.67 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.50 | 0.00 | 0.66 | 20.60 |
| h | 0.25 | 0.25 | 0.00 | 0.00 | 0.25 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 1.00 |
| k | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.75 | 1.00 | 1.00 | 1.00 | 0.75 | 1.00 | 0.75 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.75 | 0.50 | 0.33 | 0.75 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.67 | 0.00 | 0.00 | 0.50 | 15.57 |
| x | 3.00 | 2.75 | 3.00 | 3.00 | 2.25 | 4.50 | 4.00 | 2.25 | 2.00 | 2.00 | 2.25 | 1.75 | 1.75 | 0.00 | 0.00 | 1.00 | 0.67 | 0.80 | 0.25 | 0.25 | 1.25 | 0.33 | 0.00 | 0.25 | 1.00 | 0.00 | 1.25 | 0.33 | 1.00 | 1.75 | 1.00 | 1.47 | 45.85 |
| o | 1.25 | 1.75 | 1.25 | 1.50 | 1.25 | 1.00 | 0.75 | 1.00 | 0.25 | 0.00 | 0.50 | 1.25 | 0.75 | 1.50 | 2.00 | 0.75 | 1.00 | 1.20 | 0.50 | 1.25 | 0.50 | 0.67 | 1.00 | 0.75 | 0.25 | 0.00 | 0.25 | 1.00 | 1.67 | 2.25 | 2.25 | 1.01 | 31.43 |
| i | 0.00 | 0.00 | 0.25 | 0.75 | 1.25 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.75 | 0.50 | 0.00 | 0.00 | 0.33 | 0.00 | 1.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.75 | 0.25 | 0.00 | 0.33 | 0.00 | 0.00 | 0.25 | 7.70 |
| c | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.50 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.25 | 0.25 | 0.00 | 0.25 | 0.00 | 0.20 | 0.50 | 0.75 | 1.00 | 1.00 | 0.75 | 1.00 | 0.50 | 0.25 | 0.50 | 0.67 | 0.33 | 0.00 | 0.00 | 0.48 | 15.02 |
| CV | 43.00 | 42.75 | 33.00 | 50.00 | 69.50 | 80.75 | 90.00 | 73.50 | 70.50 | 63.75 | 65.75 | 65.25 | 47.00 | 42.00 | 19.00 | 19.75 | 7.67 | 20.20 | 48.25 | 68.00 | 47.50 | 43.67 | 45.00 | 61.75 | 53.75 | 50.00 | 52.75 | 54.67 | 46.33 | 15.50 | 7.75 | 48.33 | 100 |
| CVn | 33.50 | 32.50 | 27.00 | 29.50 | 23.25 | 31.50 | 32.25 | 17.75 | 14.50 | 14.00 | 8.50 | 3.25 | 23.75 | 15.75 | 7.25 | 4.75 | 0.67 | 2.60 | 0.50 | 2.25 | 1.25 | 3.67 | 2.75 | 5.50 | 1.50 | 0.00 | 0.25 | 0.00 | 2.00 | 3.00 | 6.25 | 11.33 | 23.44 |
| CVs | 9.50 | 10.25 | 6.00 | 20.50 | 46.25 | 49.25 | 57.75 | 55.75 | 56.00 | 49.75 | 57.25 | 62.00 | 23.25 | 26.25 | 11.75 | 15.00 | 7.00 | 17.60 | 47.75 | 65.75 | 46.25 | 40.00 | 42.25 | 56.25 | 52.25 | 50.00 | 52.50 | 54.67 | 44.33 | 12.50 | 1.50 | 37.00 | 76.56 |
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