Statistics of sunspot activity
August, 1988
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 | 152.86 | 152.50 | 169.14 | 168.17 | 131.86 | 152.71 | 161.43 | 165.00 | 178.00 | 169.83 | 160.29 | 159.00 | 144.43 | 162.00 | 121.86 | 90.50 | 69.67 | 47.86 | 65.86 | 71.86 | 40.17 | 28.50 | 45.50 | 73.50 | 104.83 | 114.57 | 160.14 | 168.33 | 192.50 | 181.57 | 160.00 | 127.88 | 100 |
| Wn | 116.43 | 115.50 | 133.43 | 139.00 | 112.14 | 98.29 | 102.71 | 107.00 | 130.00 | 121.17 | 112.43 | 123.50 | 103.43 | 124.00 | 92.14 | 72.50 | 47.33 | 34.86 | 45.43 | 31.57 | 24.50 | 25.75 | 37.17 | 60.50 | 84.67 | 92.29 | 108.57 | 105.83 | 107.67 | 80.29 | 67.50 | 88.95 | 69.56 |
| Ws | 36.43 | 37.00 | 35.71 | 29.17 | 19.71 | 54.43 | 58.71 | 58.00 | 48.00 | 48.67 | 47.86 | 35.50 | 41.00 | 38.00 | 29.71 | 18.00 | 22.33 | 13.00 | 20.43 | 40.29 | 15.67 | 2.75 | 8.33 | 13.00 | 20.17 | 22.29 | 51.57 | 62.50 | 84.83 | 101.29 | 92.50 | 38.93 | 30.44 |
| n | 6.00 | 6.00 | 7.57 | 8.33 | 5.00 | 6.71 | 6.86 | 8.50 | 8.83 | 7.50 | 7.14 | 7.33 | 7.14 | 8.57 | 7.71 | 5.17 | 4.50 | 3.71 | 5.57 | 5.71 | 3.33 | 2.50 | 3.67 | 5.33 | 6.67 | 7.43 | 9.86 | 9.00 | 8.83 | 7.14 | 6.33 | 6.58 | 100 |
| A | 0.29 | 0.00 | 0.43 | 1.00 | 0.00 | 1.43 | 0.14 | 0.67 | 0.50 | 0.33 | 0.29 | 1.33 | 1.14 | 1.14 | 2.14 | 0.33 | 0.67 | 0.14 | 0.71 | 1.00 | 1.67 | 1.00 | 0.83 | 1.17 | 1.83 | 0.86 | 0.86 | 0.33 | 1.50 | 0.86 | 1.33 | 0.84 | 12.71 |
| B | 1.14 | 0.83 | 0.57 | 0.50 | 0.00 | 0.14 | 0.00 | 0.00 | 0.17 | 0.67 | 0.71 | 0.83 | 0.14 | 1.43 | 0.43 | 0.50 | 0.67 | 0.14 | 0.71 | 2.71 | 0.67 | 0.00 | 1.00 | 1.67 | 1.33 | 1.71 | 1.29 | 1.17 | 1.50 | 1.00 | 0.67 | 0.78 | 11.92 |
| C | 0.29 | 0.67 | 1.14 | 2.00 | 1.29 | 0.71 | 2.43 | 1.67 | 1.17 | 1.00 | 1.86 | 1.67 | 0.57 | 2.00 | 1.43 | 1.17 | 2.00 | 1.57 | 1.71 | 1.14 | 0.50 | 0.00 | 0.33 | 1.00 | 0.33 | 0.29 | 2.00 | 1.33 | 0.67 | 0.29 | 0.67 | 1.13 | 17.10 |
| D | 2.29 | 2.50 | 1.71 | 1.00 | 1.14 | 1.71 | 1.71 | 3.33 | 3.33 | 4.00 | 3.29 | 2.17 | 3.29 | 2.29 | 1.86 | 1.17 | 0.17 | 0.14 | 0.00 | 0.00 | 0.33 | 0.25 | 0.00 | 0.33 | 1.17 | 1.43 | 2.71 | 4.00 | 2.83 | 1.71 | 1.17 | 1.71 | 26.00 |
| E | 0.00 | 0.00 | 0.29 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 1.17 | 0.17 | 0.14 | 0.33 | 0.14 | 0.86 | 0.57 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.29 | 0.83 | 1.33 | 2.00 | 1.83 | 0.34 | 5.11 |
| F | 0.57 | 0.67 | 0.71 | 1.00 | 1.00 | 1.00 | 1.00 | 0.83 | 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 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.24 | 3.57 |
| G | 0.43 | 0.33 | 0.43 | 1.00 | 0.71 | 0.57 | 1.00 | 0.33 | 0.17 | 0.17 | 0.57 | 0.50 | 0.86 | 0.43 | 0.71 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 0.00 | 0.00 | 0.50 | 1.00 | 1.14 | 1.17 | 0.67 | 0.86 | 0.50 | 0.52 | 7.95 |
| H | 0.00 | 0.17 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.50 | 0.33 | 0.00 | 0.00 | 0.17 | 0.14 | 0.00 | 0.29 | 0.33 | 0.00 | 0.86 | 0.43 | 0.14 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.15 | 2.29 |
| I | 1.00 | 0.83 | 2.29 | 1.17 | 0.86 | 1.14 | 0.57 | 1.00 | 1.67 | 1.17 | 0.29 | 0.33 | 0.86 | 0.43 | 0.29 | 0.50 | 0.00 | 0.86 | 2.00 | 0.71 | 0.00 | 1.25 | 1.50 | 0.67 | 1.33 | 1.86 | 1.57 | 0.17 | 0.33 | 0.43 | 0.17 | 0.88 | 13.35 |
| x | 1.43 | 0.83 | 1.00 | 1.50 | 0.00 | 1.57 | 0.14 | 0.67 | 0.67 | 1.00 | 1.00 | 2.17 | 1.29 | 2.57 | 2.57 | 0.83 | 1.33 | 0.29 | 1.43 | 3.71 | 2.33 | 1.00 | 1.83 | 2.83 | 3.17 | 2.57 | 2.14 | 1.50 | 3.00 | 1.86 | 2.00 | 1.62 | 24.63 |
| r | 0.29 | 0.17 | 0.43 | 0.00 | 0.86 | 0.43 | 0.00 | 0.17 | 0.17 | 0.00 | 0.14 | 0.00 | 0.00 | 0.29 | 0.43 | 0.33 | 0.17 | 0.00 | 0.14 | 0.29 | 0.00 | 0.25 | 0.33 | 1.17 | 0.33 | 0.86 | 0.71 | 0.33 | 0.00 | 0.14 | 0.17 | 0.28 | 4.21 |
| s | 1.14 | 1.33 | 2.43 | 3.83 | 2.71 | 2.71 | 2.57 | 3.33 | 2.00 | 1.83 | 1.14 | 1.17 | 1.43 | 1.71 | 0.86 | 1.00 | 0.83 | 2.14 | 3.43 | 1.57 | 1.00 | 1.25 | 1.50 | 0.83 | 1.50 | 1.29 | 3.29 | 3.00 | 2.00 | 1.71 | 0.83 | 1.85 | 28.14 |
| a | 1.14 | 1.50 | 2.43 | 1.33 | 0.57 | 1.43 | 3.43 | 2.50 | 4.50 | 1.83 | 0.71 | 0.50 | 1.86 | 1.86 | 2.00 | 1.50 | 0.33 | 0.14 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.17 | 1.57 | 2.71 | 2.67 | 2.00 | 1.43 | 0.83 | 1.36 | 20.64 |
| h | 0.14 | 0.17 | 0.00 | 0.83 | 0.14 | 0.14 | 0.00 | 0.67 | 0.67 | 0.67 | 1.29 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.17 | 0.71 | 0.29 | 0.14 | 0.00 | 0.00 | 0.00 | 0.50 | 0.17 | 0.14 | 0.00 | 0.17 | 0.00 | 0.00 | 0.00 | 0.42 | 6.37 |
| k | 1.86 | 2.00 | 1.29 | 0.83 | 0.71 | 0.43 | 0.71 | 1.17 | 0.83 | 2.17 | 2.86 | 2.50 | 1.57 | 1.14 | 0.86 | 0.50 | 0.67 | 0.43 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 1.00 | 1.00 | 1.33 | 1.83 | 2.00 | 2.50 | 1.05 | 16.01 |
| x | 1.29 | 1.00 | 2.71 | 2.83 | 0.86 | 2.57 | 0.71 | 2.17 | 2.50 | 1.50 | 0.57 | 1.83 | 2.14 | 1.57 | 2.71 | 1.17 | 0.67 | 1.86 | 3.14 | 1.86 | 1.67 | 2.25 | 2.33 | 2.33 | 3.17 | 2.86 | 2.43 | 0.50 | 1.83 | 1.29 | 1.50 | 1.87 | 28.35 |
| o | 2.29 | 2.67 | 3.29 | 4.33 | 3.14 | 2.43 | 4.00 | 3.83 | 2.50 | 3.83 | 4.29 | 3.33 | 4.00 | 5.86 | 4.29 | 3.50 | 3.83 | 1.86 | 2.43 | 3.86 | 1.67 | 0.25 | 1.33 | 2.83 | 2.83 | 3.86 | 6.29 | 6.67 | 4.83 | 3.57 | 2.67 | 3.43 | 52.14 |
| i | 2.14 | 2.17 | 1.57 | 1.17 | 1.00 | 1.71 | 2.14 | 2.50 | 3.83 | 2.17 | 2.29 | 2.17 | 1.00 | 1.14 | 0.71 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.67 | 0.71 | 1.14 | 1.67 | 2.00 | 1.71 | 1.67 | 1.22 | 18.61 |
| c | 0.29 | 0.17 | 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 | 0.17 | 0.17 | 0.57 | 0.50 | 0.06 | 0.91 |
| CV | 137.29 | 147.50 | 130.43 | 156.17 | 105.14 | 110.43 | 131.57 | 186.50 | 179.67 | 189.00 | 215.29 | 180.67 | 173.00 | 163.29 | 136.86 | 112.00 | 101.67 | 71.00 | 56.43 | 30.14 | 21.17 | 18.25 | 19.50 | 42.67 | 71.33 | 101.71 | 146.14 | 187.00 | 172.00 | 167.43 | 154.83 | 123.10 | 100 |
| CVn | 91.00 | 97.17 | 96.14 | 129.50 | 89.86 | 81.71 | 99.57 | 109.17 | 109.50 | 108.83 | 122.71 | 128.33 | 117.57 | 116.00 | 103.00 | 81.67 | 66.17 | 43.57 | 40.29 | 16.00 | 19.50 | 18.00 | 16.83 | 28.00 | 40.00 | 51.43 | 67.57 | 86.83 | 66.00 | 50.29 | 44.50 | 75.38 | 61.23 |
| CVs | 46.29 | 50.33 | 34.29 | 26.67 | 15.29 | 28.71 | 32.00 | 77.33 | 70.17 | 80.17 | 92.57 | 52.33 | 55.43 | 47.29 | 33.86 | 30.33 | 35.50 | 27.43 | 16.14 | 14.14 | 1.67 | 0.25 | 2.67 | 14.67 | 31.33 | 50.29 | 78.57 | 100.17 | 106.00 | 117.14 | 110.33 | 47.72 | 38.77 |
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