Statistics of sunspot activity
August, 2002
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 | 251.67 | 218.00 | 210.00 | 143.67 | 140.75 | 137.25 | 138.50 | 120.50 | 161.33 | 126.00 | 146.67 | 202.33 | 201.33 | 220.25 | 291.25 | 254.50 | 256.50 | 286.67 | 227.67 | 206.25 | 209.50 | 190.50 | 188.00 | 165.75 | 125.33 | 105.33 | 121.00 | 104.67 | 133.67 | 135.33 | 134.00 | 179.17 | 100 |
| Wn | 42.67 | 46.50 | 43.00 | 51.67 | 53.00 | 76.25 | 79.25 | 72.25 | 119.67 | 92.00 | 98.00 | 120.00 | 107.67 | 113.75 | 148.00 | 139.00 | 116.00 | 130.33 | 79.33 | 66.25 | 54.00 | 27.00 | 12.33 | 0.00 | 5.00 | 12.67 | 8.33 | 0.00 | 16.33 | 30.67 | 47.00 | 64.77 | 36.15 |
| Ws | 209.00 | 171.50 | 167.00 | 92.00 | 87.75 | 61.00 | 59.25 | 48.25 | 41.67 | 34.00 | 48.67 | 82.33 | 93.67 | 106.50 | 143.25 | 115.50 | 140.50 | 156.33 | 148.33 | 140.00 | 155.50 | 163.50 | 175.67 | 165.75 | 120.33 | 92.67 | 112.67 | 104.67 | 117.33 | 104.67 | 87.00 | 114.40 | 63.85 |
| n | 10.00 | 10.50 | 9.67 | 7.67 | 7.75 | 8.00 | 8.00 | 6.75 | 6.67 | 6.67 | 8.33 | 12.00 | 11.33 | 11.75 | 12.50 | 11.50 | 11.00 | 11.67 | 10.67 | 9.00 | 8.50 | 8.50 | 8.33 | 7.00 | 6.33 | 7.00 | 7.33 | 6.33 | 7.33 | 6.33 | 6.33 | 8.73 | 100 |
| A | 1.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.50 | 0.75 | 0.50 | 1.00 | 0.00 | 0.00 | 1.00 | 1.00 | 0.50 | 0.00 | 0.00 | 0.25 | 1.00 | 0.00 | 0.50 | 1.00 | 0.00 | 0.00 | 0.50 | 0.67 | 0.67 | 1.00 | 0.00 | 0.33 | 0.00 | 0.33 | 0.41 | 4.71 |
| B | 0.33 | 0.50 | 0.33 | 0.33 | 0.50 | 0.00 | 0.25 | 0.25 | 1.00 | 0.67 | 1.00 | 2.00 | 0.67 | 0.00 | 0.50 | 0.00 | 0.50 | 0.33 | 0.33 | 0.00 | 0.00 | 0.50 | 0.00 | 0.25 | 0.00 | 0.00 | 0.67 | 0.00 | 0.33 | 0.67 | 0.33 | 0.40 | 4.52 |
| C | 1.00 | 1.00 | 1.00 | 1.67 | 2.25 | 1.25 | 1.00 | 1.00 | 1.00 | 0.67 | 0.33 | 1.33 | 1.00 | 0.75 | 0.75 | 0.50 | 1.75 | 1.00 | 1.67 | 2.25 | 2.25 | 1.50 | 2.00 | 0.75 | 1.33 | 1.67 | 1.33 | 1.00 | 0.67 | 0.33 | 0.33 | 1.17 | 13.42 |
| D | 2.33 | 3.00 | 2.67 | 3.33 | 1.75 | 1.50 | 2.50 | 2.25 | 1.67 | 2.67 | 3.33 | 4.67 | 3.67 | 3.75 | 4.75 | 5.50 | 2.25 | 3.67 | 3.33 | 2.25 | 2.00 | 2.00 | 4.00 | 3.75 | 3.67 | 3.33 | 2.67 | 3.00 | 3.33 | 3.00 | 4.00 | 3.08 | 35.30 |
| E | 1.00 | 1.00 | 1.00 | 0.67 | 1.00 | 1.00 | 0.50 | 0.25 | 1.00 | 0.67 | 0.33 | 0.00 | 1.67 | 1.00 | 2.00 | 3.00 | 1.75 | 1.00 | 1.67 | 1.25 | 1.00 | 1.50 | 0.33 | 0.25 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.81 | 9.30 |
| F | 2.00 | 2.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.25 | 0.00 | 0.00 | 0.25 | 0.33 | 0.33 | 0.25 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.67 | 0.26 | 2.99 |
| G | 0.00 | 0.00 | 0.67 | 0.33 | 0.00 | 0.75 | 1.00 | 0.50 | 1.00 | 0.67 | 2.00 | 1.67 | 1.33 | 2.75 | 2.25 | 1.00 | 1.75 | 1.00 | 0.33 | 1.00 | 1.75 | 1.25 | 1.00 | 0.50 | 0.00 | 0.00 | 0.33 | 0.00 | 0.67 | 0.67 | 0.33 | 0.85 | 9.79 |
| 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 | 0.00 | 0.00 | 0.00 | 0.67 | 0.25 | 0.25 | 0.50 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.33 | 0.33 | 0.10 | 1.20 |
| I | 2.33 | 3.00 | 3.00 | 1.33 | 2.00 | 3.00 | 2.00 | 2.00 | 0.00 | 1.33 | 1.33 | 1.00 | 2.00 | 2.75 | 2.25 | 1.50 | 2.50 | 3.33 | 2.33 | 1.25 | 0.25 | 1.25 | 0.67 | 0.75 | 0.33 | 1.33 | 1.33 | 2.33 | 1.33 | 1.00 | 0.00 | 1.64 | 18.78 |
| x | 1.33 | 0.50 | 0.33 | 0.33 | 0.75 | 0.50 | 1.00 | 0.75 | 2.00 | 0.67 | 1.00 | 3.00 | 1.67 | 0.50 | 0.50 | 0.00 | 0.75 | 1.33 | 0.33 | 0.50 | 1.00 | 0.50 | 0.00 | 0.75 | 0.67 | 0.67 | 1.67 | 0.00 | 0.67 | 0.67 | 0.67 | 0.81 | 9.23 |
| r | 0.33 | 2.50 | 1.33 | 0.00 | 0.75 | 0.25 | 0.50 | 0.75 | 0.33 | 0.00 | 0.67 | 0.33 | 0.33 | 0.25 | 0.25 | 0.50 | 1.25 | 0.33 | 0.00 | 1.50 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.46 | 5.23 |
| s | 4.33 | 2.50 | 4.00 | 2.33 | 3.50 | 4.50 | 2.50 | 2.50 | 1.00 | 2.67 | 2.67 | 3.67 | 4.00 | 4.00 | 5.25 | 6.00 | 5.50 | 4.33 | 3.67 | 1.75 | 1.50 | 2.25 | 1.33 | 1.00 | 0.67 | 1.67 | 1.67 | 3.00 | 3.33 | 1.00 | 1.67 | 2.90 | 33.15 |
| a | 2.33 | 3.00 | 2.67 | 4.67 | 2.50 | 2.75 | 3.75 | 2.25 | 2.67 | 2.67 | 3.33 | 4.00 | 4.33 | 6.00 | 5.50 | 4.00 | 2.50 | 4.67 | 4.67 | 3.25 | 4.00 | 3.00 | 3.00 | 3.00 | 3.00 | 2.33 | 1.67 | 1.33 | 2.67 | 3.67 | 3.00 | 3.30 | 37.73 |
| h | 0.00 | 0.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.33 | 0.33 | 0.25 | 0.00 | 0.00 | 0.00 | 0.33 | 0.67 | 0.00 | 0.25 | 0.25 | 0.00 | 0.50 | 0.33 | 0.00 | 0.00 | 0.00 | 0.67 | 0.33 | 0.33 | 0.18 | 2.06 |
| k | 1.67 | 2.00 | 1.00 | 0.00 | 0.25 | 0.00 | 0.25 | 0.50 | 0.67 | 0.33 | 0.67 | 0.67 | 0.67 | 0.75 | 1.00 | 1.00 | 1.00 | 0.67 | 1.33 | 2.00 | 1.75 | 2.50 | 3.00 | 1.75 | 1.67 | 2.00 | 2.00 | 1.67 | 0.00 | 0.67 | 0.67 | 1.10 | 12.59 |
| x | 3.33 | 3.00 | 3.00 | 1.33 | 2.25 | 3.50 | 2.75 | 2.50 | 1.00 | 1.33 | 1.33 | 2.00 | 3.00 | 3.25 | 2.25 | 1.50 | 2.75 | 4.33 | 3.00 | 2.00 | 1.50 | 1.75 | 0.67 | 1.50 | 1.00 | 2.00 | 2.33 | 2.33 | 2.33 | 1.33 | 0.67 | 2.16 | 24.68 |
| o | 3.33 | 4.50 | 4.67 | 5.67 | 4.50 | 3.25 | 3.75 | 3.00 | 4.33 | 4.67 | 6.00 | 8.67 | 6.33 | 6.50 | 8.00 | 7.00 | 6.00 | 5.67 | 5.67 | 5.50 | 5.75 | 5.25 | 6.67 | 4.00 | 3.00 | 4.33 | 4.33 | 3.67 | 4.00 | 4.00 | 4.00 | 5.03 | 57.62 |
| i | 1.33 | 3.00 | 2.00 | 0.00 | 0.75 | 1.25 | 1.50 | 1.25 | 0.67 | 0.67 | 1.00 | 1.00 | 1.33 | 1.25 | 1.25 | 2.50 | 1.50 | 0.33 | 1.00 | 0.50 | 0.25 | 0.50 | 0.67 | 1.50 | 2.33 | 0.67 | 0.67 | 0.00 | 0.67 | 0.67 | 1.00 | 1.06 | 12.19 |
| c | 2.00 | 0.00 | 0.00 | 0.67 | 0.25 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.00 | 0.33 | 0.67 | 0.75 | 1.00 | 0.50 | 0.75 | 1.33 | 1.00 | 1.00 | 1.00 | 1.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.33 | 0.67 | 0.48 | 5.51 |
| CV | 216.33 | 210.50 | 185.33 | 135.00 | 108.25 | 114.50 | 119.50 | 104.75 | 113.00 | 126.33 | 152.33 | 200.00 | 209.00 | 232.00 | 261.00 | 263.50 | 206.25 | 207.67 | 230.33 | 187.25 | 187.00 | 214.25 | 218.67 | 171.75 | 152.67 | 146.33 | 135.67 | 134.33 | 140.00 | 129.00 | 151.00 | 173.02 | 100 |
| CVn | 44.33 | 50.00 | 43.33 | 51.67 | 44.00 | 63.25 | 66.75 | 65.50 | 84.67 | 94.67 | 77.67 | 86.33 | 88.67 | 95.50 | 108.25 | 123.00 | 83.75 | 88.33 | 79.00 | 38.75 | 39.25 | 28.75 | 12.33 | 0.00 | 3.67 | 23.00 | 1.00 | 0.00 | 15.67 | 29.67 | 51.00 | 54.25 | 31.36 |
| CVs | 172.00 | 160.50 | 142.00 | 83.33 | 64.25 | 51.25 | 52.75 | 39.25 | 28.33 | 31.67 | 74.67 | 113.67 | 120.33 | 136.50 | 152.75 | 140.50 | 122.50 | 119.33 | 151.33 | 148.50 | 147.75 | 185.50 | 206.33 | 171.75 | 149.00 | 123.33 | 134.67 | 134.33 | 124.33 | 99.33 | 100.00 | 118.77 | 68.64 |
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