Statistics of sunspot activity
January, 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 | 42.67 | 46.00 | 32.00 | 22.33 | 17.25 | 18.00 | 22.00 | 17.75 | 25.00 | 29.25 | 36.67 | 54.25 | 57.67 | 67.50 | 116.00 | 88.00 | 96.50 | 86.25 | 66.67 | 62.75 | 64.75 | 60.00 | 40.00 | 27.00 | 44.67 | 41.50 | 45.00 | 31.25 | 29.00 | 37.00 | 45.00 | 47.41 | 100 |
| Wn | 34.33 | 40.00 | 18.67 | 18.67 | 17.25 | 15.80 | 11.00 | 2.75 | 0.00 | 3.25 | 14.00 | 29.25 | 30.00 | 34.50 | 63.67 | 53.00 | 62.50 | 59.00 | 47.00 | 46.50 | 38.25 | 29.00 | 11.00 | 11.00 | 11.00 | 11.00 | 11.00 | 11.25 | 11.67 | 0.00 | 0.00 | 24.07 | 50.78 |
| Ws | 8.33 | 6.00 | 13.33 | 3.67 | 0.00 | 2.20 | 11.00 | 15.00 | 25.00 | 26.00 | 22.67 | 25.00 | 27.67 | 33.00 | 52.33 | 35.00 | 34.00 | 27.25 | 19.67 | 16.25 | 26.50 | 31.00 | 29.00 | 16.00 | 33.67 | 30.50 | 34.00 | 20.00 | 17.33 | 37.00 | 45.00 | 23.33 | 49.22 |
| n | 2.33 | 2.50 | 2.00 | 1.33 | 1.25 | 1.40 | 2.00 | 1.50 | 2.00 | 2.25 | 2.67 | 2.25 | 2.33 | 2.00 | 3.33 | 3.33 | 4.00 | 4.00 | 3.67 | 3.25 | 4.00 | 4.00 | 3.00 | 2.25 | 3.33 | 2.50 | 3.00 | 2.25 | 2.00 | 2.00 | 2.67 | 2.59 | 100 |
| A | 0.67 | 0.00 | 0.33 | 0.33 | 0.00 | 0.20 | 1.00 | 0.25 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.67 | 0.50 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.67 | 0.00 | 0.00 | 0.25 | 0.00 | 0.50 | 0.67 | 0.28 | 10.61 |
| B | 0.00 | 0.00 | 0.33 | 0.00 | 0.50 | 0.20 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 4.50 |
| C | 0.33 | 1.00 | 1.00 | 0.00 | 0.00 | 0.40 | 0.00 | 0.50 | 0.33 | 0.25 | 1.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.50 | 0.50 | 0.33 | 0.75 | 0.75 | 2.00 | 1.33 | 0.25 | 0.33 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.67 | 0.44 | 17.08 |
| D | 1.33 | 1.50 | 0.33 | 1.00 | 0.75 | 0.40 | 0.00 | 0.25 | 0.67 | 1.25 | 1.00 | 1.25 | 1.00 | 0.50 | 1.00 | 0.00 | 0.00 | 1.00 | 0.33 | 0.00 | 1.50 | 2.00 | 0.00 | 0.25 | 0.67 | 1.00 | 1.00 | 0.50 | 1.00 | 1.00 | 1.33 | 0.77 | 29.62 |
| E | 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 | 0.50 | 0.33 | 1.00 | 1.00 | 0.75 | 1.00 | 0.75 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 7.67 |
| F | 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 | 0.33 | 0.67 | 0.50 | 0.50 | 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 | 0.08 | 3.11 |
| G | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.67 | 1.00 | 0.67 | 0.33 | 0.00 | 0.00 | 0.33 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 4.66 |
| 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 | 0.33 | 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 | 0.00 | 0.00 | 0.00 | 0.01 | 0.41 |
| I | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 1.00 | 0.50 | 0.33 | 0.50 | 0.00 | 0.25 | 0.33 | 0.00 | 0.00 | 0.00 | 1.50 | 0.75 | 1.67 | 1.00 | 1.00 | 0.00 | 1.00 | 1.75 | 1.67 | 1.00 | 1.00 | 1.00 | 1.00 | 0.50 | 0.00 | 0.58 | 22.33 |
| x | 0.67 | 0.00 | 0.67 | 0.33 | 0.50 | 0.40 | 1.00 | 0.25 | 0.67 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.67 | 0.50 | 0.50 | 0.00 | 0.25 | 0.25 | 0.00 | 0.67 | 0.00 | 0.67 | 0.50 | 1.00 | 0.25 | 0.00 | 0.50 | 0.67 | 0.39 | 15.11 |
| r | 0.00 | 0.00 | 0.00 | 0.33 | 0.25 | 0.40 | 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 | 0.25 | 1.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.25 | 0.33 | 0.00 | 0.00 | 0.11 | 4.33 |
| s | 0.67 | 2.50 | 0.00 | 0.67 | 0.25 | 0.40 | 0.00 | 0.25 | 0.33 | 1.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.33 | 0.67 | 1.50 | 2.00 | 1.00 | 1.50 | 1.75 | 2.00 | 1.00 | 1.00 | 1.00 | 1.50 | 1.00 | 0.50 | 1.00 | 0.50 | 0.67 | 0.82 | 31.49 |
| a | 1.00 | 0.00 | 1.33 | 0.00 | 0.25 | 0.20 | 1.00 | 1.00 | 1.00 | 1.00 | 2.00 | 1.25 | 1.00 | 1.00 | 0.33 | 1.00 | 1.00 | 0.75 | 1.67 | 0.50 | 1.00 | 0.00 | 1.33 | 1.25 | 1.33 | 0.50 | 1.00 | 1.25 | 0.67 | 1.00 | 1.33 | 0.90 | 34.76 |
| 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 | 0.67 | 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 | 0.02 | 0.83 |
| k | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.33 | 1.00 | 1.00 | 1.00 | 1.00 | 0.75 | 1.00 | 1.00 | 0.75 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.35 | 13.47 |
| x | 0.67 | 0.00 | 0.33 | 0.33 | 0.00 | 0.40 | 2.00 | 0.75 | 1.00 | 0.50 | 0.00 | 0.25 | 0.67 | 0.00 | 0.67 | 0.67 | 2.00 | 1.25 | 1.67 | 1.00 | 1.00 | 0.00 | 1.67 | 1.75 | 2.33 | 1.00 | 1.00 | 1.25 | 1.00 | 1.00 | 0.67 | 0.87 | 33.35 |
| o | 0.67 | 2.00 | 1.00 | 0.33 | 1.25 | 1.00 | 0.00 | 0.75 | 1.00 | 1.75 | 2.33 | 1.50 | 1.00 | 1.00 | 1.33 | 1.00 | 0.50 | 1.25 | 1.00 | 1.25 | 1.25 | 2.00 | 1.33 | 0.25 | 0.00 | 1.00 | 2.00 | 0.50 | 0.67 | 0.00 | 1.67 | 1.05 | 40.53 |
| i | 0.33 | 0.00 | 0.67 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.25 | 0.33 | 0.00 | 0.33 | 0.67 | 0.50 | 0.75 | 0.00 | 0.50 | 1.00 | 1.00 | 0.00 | 0.25 | 1.00 | 0.50 | 0.00 | 0.50 | 0.33 | 0.50 | 0.33 | 0.35 | 13.37 |
| c | 0.67 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.33 | 1.00 | 1.00 | 1.00 | 1.00 | 0.75 | 1.00 | 0.50 | 0.75 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.33 | 12.75 |
| CV | 40.67 | 53.00 | 16.67 | 23.33 | 15.25 | 12.80 | 8.00 | 13.25 | 20.33 | 35.00 | 37.33 | 68.50 | 76.67 | 76.50 | 105.67 | 88.00 | 87.50 | 91.75 | 87.33 | 75.50 | 86.75 | 99.00 | 21.33 | 22.75 | 32.00 | 34.50 | 31.00 | 22.50 | 29.00 | 32.00 | 36.33 | 47.75 | 100 |
| CVn | 32.00 | 47.50 | 13.00 | 23.00 | 15.25 | 10.80 | 4.00 | 0.25 | 0.00 | 0.50 | 10.67 | 40.00 | 45.00 | 55.50 | 56.33 | 57.00 | 64.50 | 58.25 | 64.33 | 61.25 | 58.50 | 66.00 | 10.00 | 8.50 | 7.00 | 10.00 | 10.00 | 8.50 | 9.00 | 0.00 | 0.00 | 27.31 | 57.20 |
| CVs | 8.67 | 5.50 | 3.67 | 0.33 | 0.00 | 2.00 | 4.00 | 13.00 | 20.33 | 34.50 | 26.67 | 28.50 | 31.67 | 21.00 | 49.33 | 31.00 | 23.00 | 33.50 | 23.00 | 14.25 | 28.25 | 33.00 | 11.33 | 14.25 | 25.00 | 24.50 | 21.00 | 14.00 | 20.00 | 32.00 | 36.33 | 20.44 | 42.80 |
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