Statistics of sunspot activity
August, 2005
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 | 89.20 | 101.25 | 77.25 | 67.40 | 68.40 | 50.40 | 53.60 | 56.80 | 49.40 | 27.80 | 27.60 | 40.00 | 25.20 | 25.67 | 41.20 | 40.33 | 32.50 | 30.00 | 54.00 | 69.00 | 67.00 | 63.60 | 50.50 | 66.50 | 65.80 | 54.20 | 66.80 | 69.50 | 56.80 | 58.80 | 43.00 | 54.50 | 100 |
| Wn | 76.40 | 83.00 | 49.00 | 36.00 | 38.00 | 27.20 | 29.20 | 26.60 | 24.60 | 13.60 | 11.60 | 12.75 | 2.20 | 0.00 | 0.00 | 0.00 | 0.00 | 2.80 | 14.50 | 31.25 | 31.00 | 40.60 | 31.25 | 42.00 | 61.40 | 54.20 | 62.20 | 56.75 | 38.00 | 26.40 | 12.00 | 30.15 | 55.31 |
| Ws | 12.80 | 18.25 | 28.25 | 31.40 | 30.40 | 23.20 | 24.40 | 30.20 | 24.80 | 14.20 | 16.00 | 27.25 | 23.00 | 25.67 | 41.20 | 40.33 | 32.50 | 27.20 | 39.50 | 37.75 | 36.00 | 23.00 | 19.25 | 24.50 | 4.40 | 0.00 | 4.60 | 12.75 | 18.80 | 32.40 | 31.00 | 24.35 | 44.69 |
| n | 5.00 | 4.75 | 4.00 | 3.20 | 3.20 | 3.20 | 3.60 | 4.20 | 4.00 | 2.40 | 2.40 | 3.00 | 1.40 | 1.67 | 2.00 | 2.00 | 2.00 | 2.20 | 3.25 | 4.25 | 3.50 | 2.80 | 2.00 | 3.50 | 3.40 | 3.00 | 3.80 | 4.25 | 4.00 | 3.40 | 2.75 | 3.17 | 100 |
| A | 0.00 | 0.00 | 0.50 | 0.40 | 0.00 | 0.20 | 0.20 | 0.20 | 0.00 | 0.20 | 0.20 | 0.25 | 0.20 | 0.67 | 0.20 | 0.33 | 0.50 | 0.20 | 0.25 | 0.50 | 0.50 | 0.60 | 0.00 | 0.50 | 0.20 | 0.40 | 0.80 | 1.00 | 0.40 | 0.40 | 0.00 | 0.32 | 9.99 |
| B | 0.20 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.20 | 0.20 | 0.00 | 0.00 | 0.00 | 0.50 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.25 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.20 | 0.50 | 0.40 | 0.00 | 0.75 | 0.15 | 4.79 |
| C | 0.80 | 1.25 | 1.25 | 0.80 | 1.00 | 1.20 | 1.80 | 2.00 | 0.40 | 0.60 | 0.20 | 0.50 | 0.20 | 0.00 | 0.00 | 0.33 | 0.50 | 0.60 | 1.00 | 0.75 | 0.25 | 0.00 | 0.00 | 0.25 | 0.80 | 0.40 | 1.00 | 0.50 | 1.00 | 0.80 | 0.50 | 0.67 | 21.08 |
| D | 0.60 | 2.00 | 1.25 | 1.20 | 0.80 | 0.80 | 0.60 | 1.00 | 1.60 | 0.00 | 0.00 | 0.25 | 0.80 | 0.67 | 1.00 | 1.00 | 0.75 | 0.20 | 1.00 | 1.25 | 1.00 | 1.60 | 1.75 | 1.00 | 1.40 | 1.20 | 1.20 | 1.00 | 1.40 | 2.00 | 0.75 | 1.00 | 31.66 |
| E | 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 | 0.25 | 0.00 | 0.00 | 0.00 | 0.50 | 0.40 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 1.99 |
| 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 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.25 | 0.40 | 0.40 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 1.94 |
| H | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.25 | 0.20 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 1.43 |
| I | 2.60 | 1.50 | 1.00 | 0.60 | 1.20 | 1.00 | 0.80 | 0.80 | 2.00 | 1.60 | 2.00 | 1.50 | 0.00 | 0.33 | 0.80 | 0.33 | 0.25 | 1.00 | 0.75 | 1.00 | 1.00 | 0.40 | 0.00 | 0.75 | 0.20 | 0.00 | 0.20 | 1.25 | 0.80 | 0.20 | 0.75 | 0.86 | 27.13 |
| x | 0.20 | 0.00 | 0.50 | 0.40 | 0.20 | 0.20 | 0.40 | 0.40 | 0.00 | 0.20 | 0.20 | 0.75 | 0.40 | 0.67 | 0.20 | 0.33 | 0.50 | 0.40 | 0.50 | 0.50 | 1.00 | 0.60 | 0.00 | 0.50 | 0.20 | 0.80 | 1.00 | 1.50 | 0.80 | 0.40 | 0.75 | 0.47 | 14.78 |
| r | 0.40 | 0.75 | 0.00 | 0.00 | 0.00 | 0.20 | 0.20 | 0.40 | 0.20 | 0.00 | 0.00 | 0.50 | 0.00 | 0.33 | 0.40 | 0.33 | 0.00 | 0.20 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.25 | 0.40 | 0.20 | 0.20 | 0.50 | 0.40 | 0.40 | 0.25 | 0.22 | 6.90 |
| s | 2.00 | 1.75 | 1.75 | 1.20 | 1.60 | 1.60 | 1.60 | 2.60 | 0.80 | 1.40 | 1.00 | 0.75 | 0.20 | 0.00 | 0.40 | 0.67 | 1.25 | 1.60 | 0.75 | 1.00 | 0.75 | 0.00 | 0.00 | 0.25 | 1.20 | 0.80 | 1.00 | 1.75 | 0.60 | 0.80 | 0.75 | 1.03 | 32.43 |
| a | 1.40 | 1.25 | 1.50 | 1.40 | 1.00 | 0.80 | 1.20 | 0.60 | 3.00 | 0.80 | 1.20 | 1.00 | 0.80 | 0.67 | 1.00 | 0.67 | 0.25 | 0.00 | 1.75 | 1.25 | 0.75 | 1.40 | 1.00 | 1.75 | 1.20 | 1.00 | 1.60 | 0.50 | 2.20 | 1.80 | 1.00 | 1.15 | 36.42 |
| h | 0.20 | 0.00 | 0.25 | 0.00 | 0.20 | 0.40 | 0.20 | 0.20 | 0.00 | 0.00 | 0.00 | 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 | 0.00 | 0.00 | 0.00 | 0.05 | 1.73 |
| k | 0.80 | 1.00 | 0.00 | 0.20 | 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 | 0.00 | 0.00 | 1.25 | 1.00 | 0.80 | 1.00 | 0.75 | 0.40 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 7.75 |
| x | 2.80 | 1.50 | 1.50 | 1.00 | 1.20 | 1.20 | 1.00 | 1.00 | 2.00 | 1.80 | 2.20 | 1.75 | 0.20 | 1.00 | 1.00 | 0.67 | 0.75 | 1.20 | 1.00 | 1.75 | 1.75 | 1.20 | 0.25 | 1.50 | 0.40 | 0.40 | 1.00 | 2.25 | 1.20 | 0.60 | 0.75 | 1.22 | 38.54 |
| o | 1.00 | 2.50 | 1.25 | 0.60 | 1.00 | 1.60 | 2.00 | 3.00 | 2.00 | 0.60 | 0.20 | 1.00 | 0.40 | 0.00 | 0.20 | 0.67 | 1.00 | 0.80 | 1.75 | 2.00 | 0.50 | 0.20 | 0.25 | 1.00 | 1.60 | 1.40 | 2.00 | 1.25 | 2.40 | 1.40 | 1.00 | 1.18 | 37.27 |
| i | 1.00 | 0.25 | 1.00 | 1.60 | 1.00 | 0.40 | 0.60 | 0.20 | 0.00 | 0.00 | 0.00 | 0.25 | 0.80 | 0.67 | 0.80 | 0.67 | 0.25 | 0.20 | 0.50 | 0.25 | 0.50 | 0.80 | 0.75 | 0.75 | 1.20 | 1.00 | 0.80 | 0.75 | 0.40 | 1.40 | 1.00 | 0.64 | 20.16 |
| c | 0.20 | 0.50 | 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 | 0.25 | 0.75 | 0.60 | 0.75 | 0.25 | 0.20 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.13 | 4.03 |
| CV | 87.80 | 91.50 | 59.75 | 52.00 | 52.80 | 50.20 | 44.00 | 57.60 | 50.60 | 20.40 | 18.80 | 22.75 | 20.60 | 16.67 | 27.80 | 28.33 | 26.50 | 21.60 | 45.00 | 87.25 | 69.25 | 65.20 | 71.75 | 68.25 | 70.00 | 52.60 | 48.20 | 41.50 | 43.80 | 53.20 | 30.00 | 48.25 | 100 |
| CVn | 73.40 | 76.50 | 39.25 | 31.20 | 31.20 | 17.40 | 22.20 | 26.20 | 23.20 | 9.20 | 6.60 | 4.75 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 2.00 | 6.50 | 22.00 | 11.00 | 22.00 | 21.25 | 27.00 | 67.80 | 52.60 | 41.80 | 30.00 | 23.00 | 17.00 | 1.75 | 22.81 | 47.27 |
| CVs | 14.40 | 15.00 | 20.50 | 20.80 | 21.60 | 32.80 | 21.80 | 31.40 | 27.40 | 11.20 | 12.20 | 18.00 | 20.40 | 16.67 | 27.80 | 28.33 | 26.50 | 19.60 | 38.50 | 65.25 | 58.25 | 43.20 | 50.50 | 41.25 | 2.20 | 0.00 | 6.40 | 11.50 | 20.80 | 36.20 | 28.25 | 25.44 | 52.73 |
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