Statistics of sunspot activity
August, 2003
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 | 78.00 | 93.67 | 129.33 | 132.33 | 131.33 | 141.67 | 116.00 | 103.67 | 106.67 | 110.67 | 110.00 | 109.33 | 91.67 | 96.67 | 82.33 | 103.33 | 121.00 | 109.00 | 73.33 | 54.67 | 85.67 | 124.67 | 115.00 | 116.00 | 126.67 | 125.67 | 111.67 | 151.67 | 123.00 | 111.33 | 100.00 | 109.23 | 100 |
| Wn | 18.50 | 23.67 | 31.67 | 47.33 | 42.33 | 37.67 | 20.00 | 3.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 7.67 | 0.00 | 3.67 | 22.00 | 20.00 | 21.67 | 25.00 | 63.67 | 86.67 | 79.33 | 82.00 | 99.00 | 91.33 | 82.00 | 104.67 | 76.33 | 70.00 | 65.00 | 39.51 | 36.17 |
| Ws | 59.50 | 70.00 | 97.67 | 85.00 | 89.00 | 104.00 | 96.00 | 100.00 | 106.67 | 110.67 | 110.00 | 109.33 | 91.67 | 89.00 | 82.33 | 99.67 | 99.00 | 89.00 | 51.67 | 29.67 | 22.00 | 38.00 | 35.67 | 34.00 | 27.67 | 34.33 | 29.67 | 47.00 | 46.67 | 41.33 | 35.00 | 69.72 | 63.83 |
| n | 4.50 | 6.00 | 6.33 | 7.67 | 7.67 | 7.00 | 6.33 | 5.33 | 5.00 | 5.00 | 4.67 | 4.67 | 3.67 | 5.00 | 3.33 | 5.33 | 6.67 | 5.50 | 4.67 | 3.33 | 5.00 | 5.67 | 5.33 | 5.33 | 6.67 | 7.00 | 6.67 | 9.67 | 9.00 | 8.00 | 7.00 | 5.90 | 100 |
| A | 0.00 | 1.00 | 0.00 | 0.67 | 0.67 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.67 | 0.00 | 1.00 | 1.33 | 1.00 | 0.33 | 1.33 | 0.33 | 0.33 | 0.00 | 0.33 | 0.67 | 1.00 | 1.00 | 1.00 | 0.67 | 1.00 | 0.50 | 0.51 | 8.65 |
| B | 0.50 | 0.33 | 0.00 | 0.33 | 0.33 | 0.67 | 0.33 | 0.33 | 0.00 | 0.00 | 0.33 | 0.33 | 0.33 | 1.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.67 | 0.33 | 0.00 | 0.00 | 0.33 | 1.00 | 0.67 | 0.00 | 0.67 | 0.33 | 0.00 | 0.30 | 5.01 |
| C | 1.00 | 1.33 | 1.67 | 0.67 | 0.67 | 2.00 | 0.33 | 0.67 | 0.67 | 1.00 | 1.00 | 0.67 | 0.33 | 0.33 | 1.00 | 1.33 | 1.33 | 0.00 | 0.00 | 0.33 | 1.00 | 1.00 | 0.33 | 1.00 | 1.00 | 0.67 | 2.00 | 4.00 | 0.67 | 0.67 | 2.00 | 0.99 | 16.76 |
| D | 0.50 | 0.67 | 2.67 | 2.67 | 3.00 | 2.33 | 3.00 | 2.67 | 3.00 | 2.33 | 1.00 | 2.00 | 2.00 | 1.00 | 0.33 | 0.67 | 0.67 | 1.00 | 0.00 | 0.00 | 1.67 | 2.33 | 3.67 | 3.00 | 2.67 | 3.00 | 2.67 | 4.00 | 4.33 | 4.33 | 3.00 | 2.13 | 36.16 |
| E | 0.00 | 0.33 | 0.00 | 0.33 | 0.67 | 1.00 | 0.33 | 0.33 | 1.33 | 1.00 | 2.00 | 0.67 | 0.67 | 0.67 | 0.67 | 1.00 | 0.67 | 0.50 | 1.00 | 0.33 | 0.67 | 1.00 | 1.00 | 0.67 | 0.67 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.59 | 9.93 |
| F | 0.50 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.82 |
| G | 0.50 | 1.00 | 1.00 | 0.67 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 1.00 | 1.00 | 1.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.28 | 4.83 |
| 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.18 |
| I | 1.50 | 1.33 | 1.00 | 2.33 | 2.00 | 0.67 | 1.67 | 1.33 | 0.00 | 0.33 | 0.00 | 0.67 | 0.33 | 1.33 | 1.33 | 1.00 | 2.00 | 2.00 | 2.33 | 0.33 | 0.33 | 0.33 | 0.33 | 0.00 | 1.00 | 0.67 | 0.00 | 0.33 | 2.67 | 1.67 | 1.50 | 1.04 | 17.67 |
| x | 0.50 | 1.33 | 0.00 | 1.00 | 1.00 | 0.67 | 1.00 | 0.33 | 0.00 | 0.00 | 0.67 | 0.33 | 0.33 | 1.67 | 0.00 | 1.00 | 1.67 | 1.00 | 0.33 | 1.33 | 1.00 | 0.67 | 0.00 | 0.33 | 1.00 | 2.00 | 1.67 | 1.00 | 1.33 | 1.33 | 0.50 | 0.81 | 13.66 |
| r | 0.50 | 0.00 | 0.00 | 0.67 | 0.00 | 0.33 | 0.33 | 0.00 | 0.67 | 0.33 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 1.33 | 1.00 | 1.50 | 1.00 | 0.00 | 0.33 | 0.33 | 0.67 | 0.00 | 0.00 | 0.33 | 0.33 | 1.33 | 0.33 | 0.33 | 0.50 | 0.40 | 6.83 |
| s | 1.50 | 2.00 | 3.33 | 3.00 | 4.00 | 2.00 | 3.33 | 2.67 | 1.33 | 1.67 | 1.33 | 1.67 | 0.67 | 0.67 | 2.00 | 1.00 | 1.67 | 1.50 | 1.00 | 1.00 | 3.33 | 2.33 | 2.67 | 3.33 | 4.33 | 1.33 | 2.00 | 3.67 | 5.00 | 5.33 | 5.00 | 2.44 | 41.35 |
| a | 1.50 | 2.00 | 2.00 | 2.00 | 1.67 | 3.00 | 0.67 | 1.33 | 2.00 | 2.33 | 2.00 | 2.00 | 2.33 | 1.67 | 1.00 | 1.33 | 1.67 | 1.50 | 2.33 | 0.67 | 0.33 | 2.33 | 2.00 | 1.67 | 1.33 | 3.00 | 2.67 | 3.67 | 2.33 | 1.00 | 1.00 | 1.82 | 30.78 |
| h | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 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 | 0.00 | 0.00 | 0.00 | 0.02 | 0.36 |
| k | 0.50 | 0.67 | 1.00 | 0.67 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.67 | 0.67 | 0.67 | 0.33 | 0.67 | 0.33 | 0.33 | 0.67 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.41 | 7.01 |
| x | 1.50 | 2.33 | 1.00 | 3.00 | 2.67 | 0.67 | 2.33 | 1.33 | 0.00 | 0.33 | 0.33 | 0.67 | 0.33 | 2.00 | 1.33 | 2.33 | 3.33 | 3.00 | 2.67 | 1.67 | 0.67 | 0.67 | 0.33 | 0.33 | 1.67 | 1.67 | 1.00 | 1.33 | 3.33 | 2.67 | 2.00 | 1.56 | 26.50 |
| o | 2.50 | 2.67 | 4.67 | 3.67 | 3.67 | 5.00 | 2.67 | 3.00 | 3.67 | 3.00 | 2.00 | 1.33 | 2.33 | 2.00 | 1.00 | 2.00 | 2.33 | 1.50 | 1.00 | 1.33 | 3.67 | 3.67 | 4.00 | 3.67 | 3.00 | 4.33 | 5.00 | 8.33 | 5.67 | 5.33 | 5.00 | 3.32 | 56.28 |
| i | 0.50 | 1.00 | 0.67 | 1.00 | 1.33 | 0.67 | 1.00 | 0.33 | 0.33 | 0.33 | 2.00 | 2.00 | 0.33 | 0.67 | 0.33 | 0.33 | 0.67 | 1.00 | 1.00 | 0.33 | 0.33 | 0.67 | 0.33 | 0.33 | 1.00 | 1.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.65 | 11.02 |
| c | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.33 | 0.67 | 1.00 | 1.33 | 0.33 | 0.67 | 0.67 | 0.33 | 0.67 | 0.67 | 0.33 | 0.00 | 0.00 | 0.00 | 0.33 | 0.67 | 0.67 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.37 | 6.19 |
| CV | 66.00 | 86.00 | 130.00 | 133.67 | 142.67 | 136.00 | 124.33 | 116.67 | 130.00 | 121.33 | 100.00 | 108.33 | 77.00 | 70.00 | 60.00 | 80.67 | 84.33 | 70.00 | 59.67 | 46.00 | 83.67 | 102.33 | 114.67 | 115.67 | 120.33 | 100.33 | 85.67 | 128.00 | 130.33 | 127.00 | 103.50 | 101.75 | 100 |
| CVn | 15.50 | 10.33 | 31.00 | 32.67 | 48.33 | 36.33 | 15.67 | 3.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 13.33 | 28.33 | 23.00 | 21.00 | 30.00 | 74.00 | 65.67 | 70.67 | 67.67 | 83.67 | 62.00 | 60.33 | 91.33 | 88.00 | 81.00 | 61.00 | 35.97 | 35.36 |
| CVs | 50.50 | 75.67 | 99.00 | 101.00 | 94.33 | 99.67 | 108.67 | 113.33 | 130.00 | 121.33 | 100.00 | 108.33 | 77.00 | 69.00 | 60.00 | 67.33 | 56.00 | 47.00 | 38.67 | 16.00 | 9.67 | 36.67 | 44.00 | 48.00 | 36.67 | 38.33 | 25.33 | 36.67 | 42.33 | 46.00 | 42.50 | 65.77 | 64.64 |
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