Statistics of sunspot activity
January, 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 | 51.75 | 67.67 | 97.50 | 110.00 | 120.50 | 128.67 | 171.50 | 188.50 | 191.33 | 164.25 | 225.00 | 203.00 | 173.67 | 168.75 | 150.25 | 133.00 | 146.67 | 135.50 | 169.67 | 153.00 | 125.25 | 149.50 | 121.25 | 129.00 | 108.00 | 111.75 | 127.75 | 133.25 | 139.67 | 101.75 | 71.75 | 137.71 | 100 |
| Wn | 12.25 | 11.00 | 14.00 | 12.00 | 13.00 | 24.67 | 21.75 | 16.00 | 14.00 | 10.00 | 20.67 | 14.00 | 18.00 | 39.00 | 41.00 | 47.50 | 62.33 | 64.00 | 87.67 | 85.50 | 58.00 | 61.50 | 41.00 | 40.00 | 27.50 | 19.25 | 31.50 | 37.50 | 29.33 | 15.25 | 23.00 | 32.65 | 23.71 |
| Ws | 39.50 | 56.67 | 83.50 | 98.00 | 107.50 | 104.00 | 149.75 | 172.50 | 177.33 | 154.25 | 204.33 | 189.00 | 155.67 | 129.75 | 109.25 | 85.50 | 84.33 | 71.50 | 82.00 | 67.50 | 67.25 | 88.00 | 80.25 | 89.00 | 80.50 | 92.50 | 96.25 | 95.75 | 110.33 | 86.50 | 48.75 | 105.06 | 76.29 |
| n | 3.50 | 4.67 | 6.25 | 6.25 | 5.50 | 6.67 | 9.75 | 8.00 | 8.33 | 8.00 | 8.33 | 9.00 | 9.67 | 9.50 | 9.50 | 9.75 | 10.00 | 9.25 | 11.33 | 11.25 | 8.75 | 8.75 | 6.75 | 7.00 | 5.50 | 6.00 | 8.00 | 9.00 | 8.33 | 6.75 | 5.25 | 7.89 | 100 |
| A | 0.25 | 1.33 | 1.00 | 0.50 | 0.25 | 0.00 | 1.00 | 0.00 | 0.67 | 0.00 | 0.33 | 0.67 | 0.67 | 0.25 | 0.75 | 0.50 | 0.67 | 1.25 | 1.67 | 1.75 | 0.75 | 0.25 | 0.00 | 0.67 | 0.50 | 0.25 | 0.00 | 0.25 | 0.33 | 0.25 | 0.50 | 0.56 | 7.05 |
| B | 1.00 | 0.33 | 0.25 | 0.50 | 0.25 | 1.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.33 | 1.33 | 0.50 | 0.50 | 0.25 | 1.33 | 0.50 | 0.00 | 0.75 | 0.00 | 1.00 | 0.50 | 0.33 | 0.00 | 0.00 | 1.00 | 0.50 | 0.33 | 0.50 | 0.00 | 0.44 | 5.52 |
| C | 0.25 | 1.00 | 1.00 | 0.75 | 1.00 | 1.33 | 2.75 | 2.50 | 3.00 | 2.75 | 1.33 | 2.67 | 2.67 | 3.75 | 4.00 | 3.00 | 3.00 | 1.75 | 2.67 | 2.75 | 3.00 | 1.25 | 1.00 | 0.33 | 0.00 | 0.75 | 3.25 | 2.75 | 1.67 | 0.75 | 0.50 | 1.91 | 24.19 |
| D | 1.25 | 0.67 | 2.75 | 3.25 | 3.00 | 3.00 | 2.75 | 4.00 | 3.00 | 1.75 | 3.00 | 3.33 | 1.67 | 1.75 | 1.25 | 1.75 | 1.67 | 1.50 | 3.00 | 2.00 | 2.50 | 3.00 | 2.75 | 2.67 | 2.50 | 3.25 | 2.50 | 3.25 | 3.00 | 2.00 | 1.25 | 2.42 | 30.66 |
| E | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.33 | 1.00 | 1.00 | 1.00 | 1.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.67 | 0.50 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.24 | 3.00 |
| F | 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 | 0.50 | 0.75 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.65 |
| G | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.50 | 1.33 | 0.33 | 0.00 | 0.50 | 0.25 | 0.50 | 0.67 | 0.00 | 0.67 | 0.25 | 0.25 | 1.00 | 1.00 | 1.33 | 1.00 | 0.75 | 0.50 | 0.00 | 0.33 | 0.00 | 0.00 | 0.38 | 4.84 |
| H | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.33 | 0.25 | 0.25 | 0.25 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.06 | 0.82 |
| I | 0.75 | 1.00 | 1.25 | 1.25 | 1.00 | 1.33 | 3.00 | 1.50 | 0.67 | 1.50 | 1.00 | 0.33 | 2.00 | 2.50 | 2.25 | 3.50 | 2.67 | 4.00 | 3.00 | 3.75 | 2.25 | 2.25 | 1.25 | 1.00 | 0.50 | 0.00 | 0.50 | 2.00 | 2.67 | 3.25 | 3.00 | 1.84 | 23.27 |
| x | 1.25 | 1.67 | 1.25 | 1.00 | 0.50 | 1.00 | 1.00 | 0.00 | 0.67 | 0.50 | 0.33 | 1.00 | 2.00 | 0.75 | 1.25 | 0.75 | 2.00 | 1.75 | 1.67 | 2.50 | 0.75 | 1.25 | 0.50 | 1.00 | 0.50 | 0.25 | 1.00 | 0.75 | 0.67 | 0.75 | 0.50 | 0.99 | 12.57 |
| r | 0.00 | 0.33 | 0.25 | 0.50 | 0.50 | 0.33 | 0.50 | 0.00 | 0.00 | 0.25 | 0.00 | 0.33 | 0.67 | 0.50 | 0.75 | 0.25 | 0.00 | 0.25 | 1.67 | 0.75 | 0.50 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 1.00 | 1.25 | 0.00 | 0.50 | 0.50 | 0.38 | 4.84 |
| s | 1.25 | 0.67 | 1.25 | 1.50 | 1.00 | 2.00 | 4.00 | 2.50 | 3.33 | 2.25 | 1.00 | 1.67 | 2.33 | 4.25 | 4.00 | 5.50 | 4.00 | 1.75 | 4.33 | 4.50 | 3.50 | 4.50 | 2.00 | 1.33 | 1.00 | 3.75 | 2.25 | 4.25 | 4.00 | 3.50 | 2.00 | 2.75 | 34.82 |
| a | 1.00 | 2.00 | 3.50 | 3.25 | 3.00 | 3.33 | 3.75 | 4.50 | 3.67 | 4.50 | 5.33 | 4.33 | 3.33 | 3.25 | 3.25 | 3.00 | 4.00 | 5.50 | 3.33 | 3.50 | 4.00 | 3.00 | 4.00 | 4.00 | 4.00 | 2.00 | 3.75 | 2.50 | 3.67 | 2.00 | 2.25 | 3.44 | 43.54 |
| h | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 1.00 | 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 | 0.25 | 0.00 | 0.00 | 0.00 | 0.06 | 0.72 |
| k | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.50 | 1.00 | 0.67 | 0.25 | 1.67 | 1.67 | 0.33 | 0.75 | 0.25 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.28 | 3.51 |
| x | 1.00 | 2.33 | 2.25 | 1.75 | 1.25 | 1.33 | 4.00 | 1.50 | 1.33 | 1.50 | 1.67 | 1.00 | 3.00 | 3.00 | 3.25 | 4.25 | 3.33 | 5.25 | 5.00 | 5.50 | 3.00 | 2.50 | 1.25 | 1.67 | 1.00 | 0.25 | 0.50 | 2.50 | 3.00 | 3.50 | 3.50 | 2.46 | 31.14 |
| o | 2.00 | 2.00 | 3.25 | 3.00 | 2.75 | 4.33 | 4.50 | 4.50 | 4.67 | 4.75 | 4.67 | 6.67 | 5.33 | 6.00 | 6.00 | 5.50 | 6.33 | 3.50 | 6.33 | 5.25 | 5.50 | 6.25 | 5.25 | 4.67 | 3.50 | 4.75 | 7.00 | 6.25 | 4.67 | 3.00 | 1.50 | 4.63 | 58.74 |
| i | 0.50 | 0.33 | 0.75 | 1.25 | 1.50 | 0.67 | 0.75 | 1.50 | 2.00 | 1.25 | 2.00 | 1.33 | 1.33 | 0.50 | 0.25 | 0.00 | 0.33 | 0.50 | 0.00 | 0.50 | 0.25 | 0.00 | 0.25 | 0.67 | 1.00 | 1.00 | 0.50 | 0.25 | 0.67 | 0.25 | 0.25 | 0.72 | 9.13 |
| c | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.33 | 0.50 | 0.50 | 0.33 | 0.50 | 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 | 0.08 | 0.99 |
| CV | 40.00 | 38.33 | 77.25 | 89.25 | 91.50 | 92.00 | 132.75 | 151.50 | 147.33 | 126.50 | 175.33 | 176.00 | 145.67 | 130.50 | 103.75 | 123.75 | 104.00 | 83.75 | 138.67 | 109.50 | 104.25 | 125.25 | 102.50 | 125.67 | 101.00 | 127.00 | 102.50 | 124.00 | 113.67 | 78.50 | 54.50 | 110.84 | 100 |
| CVn | 9.50 | 8.00 | 6.50 | 8.25 | 8.75 | 18.67 | 17.00 | 9.00 | 13.33 | 7.50 | 15.33 | 23.00 | 11.33 | 29.50 | 27.50 | 36.75 | 47.67 | 42.50 | 72.00 | 71.00 | 51.25 | 38.25 | 24.75 | 33.67 | 23.00 | 20.75 | 21.75 | 30.00 | 27.67 | 15.75 | 12.50 | 25.24 | 22.77 |
| CVs | 30.50 | 30.33 | 70.75 | 81.00 | 82.75 | 73.33 | 115.75 | 142.50 | 134.00 | 119.00 | 160.00 | 153.00 | 134.33 | 101.00 | 76.25 | 87.00 | 56.33 | 41.25 | 66.67 | 38.50 | 53.00 | 87.00 | 77.75 | 92.00 | 78.00 | 106.25 | 80.75 | 94.00 | 86.00 | 62.75 | 42.00 | 85.60 | 77.23 |
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