Statistics of sunspot activity
January, 2007
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 | 27.60 | 39.33 | 38.60 | 37.00 | 47.50 | 43.60 | 43.80 | 45.25 | 40.33 | 38.20 | 39.50 | 29.60 | 27.75 | 21.40 | 18.33 | 18.25 | 16.33 | 21.67 | 23.50 | 19.17 | 17.17 | 22.00 | 20.00 | 15.20 | 13.25 | 11.00 | 11.00 | 11.60 | 30.50 | 34.67 | 30.00 | 27.52 | 100 |
| Wn | 11.60 | 12.83 | 11.80 | 11.50 | 20.00 | 18.60 | 17.60 | 8.25 | 0.00 | 0.00 | 5.50 | 3.20 | 13.75 | 14.80 | 18.33 | 18.25 | 16.33 | 17.67 | 23.50 | 6.83 | 0.00 | 0.00 | 0.00 | 3.60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.67 | 0.00 | 8.31 | 30.20 |
| Ws | 16.00 | 26.50 | 26.80 | 25.50 | 27.50 | 25.00 | 26.20 | 37.00 | 40.33 | 38.20 | 34.00 | 26.40 | 14.00 | 6.60 | 0.00 | 0.00 | 0.00 | 4.00 | 0.00 | 12.33 | 17.17 | 22.00 | 20.00 | 11.60 | 13.25 | 11.00 | 11.00 | 11.60 | 30.50 | 31.00 | 30.00 | 19.21 | 69.80 |
| n | 2.20 | 3.00 | 3.00 | 3.00 | 3.75 | 3.60 | 3.80 | 3.75 | 3.00 | 3.00 | 3.50 | 2.60 | 2.25 | 1.60 | 1.00 | 1.00 | 1.00 | 1.33 | 1.50 | 1.33 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 2.33 | 2.33 | 2.00 | 2.06 | 100 |
| A | 0.00 | 0.33 | 0.60 | 0.50 | 1.00 | 0.40 | 1.60 | 1.25 | 0.00 | 0.00 | 0.75 | 0.60 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.33 | 0.00 | 0.00 | 0.33 | 0.33 | 0.00 | 0.30 | 14.79 |
| B | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.67 | 0.60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.75 | 0.67 | 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 | 0.12 | 5.90 |
| C | 0.60 | 0.83 | 0.80 | 0.67 | 1.00 | 1.20 | 0.40 | 0.75 | 0.00 | 0.60 | 0.00 | 0.00 | 0.50 | 0.40 | 0.67 | 0.00 | 0.00 | 0.33 | 1.50 | 0.33 | 0.17 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.20 | 0.37 | 17.98 |
| D | 0.40 | 0.83 | 0.20 | 0.50 | 0.50 | 0.00 | 0.20 | 0.00 | 1.00 | 0.60 | 0.00 | 0.20 | 0.50 | 0.60 | 0.17 | 0.25 | 0.00 | 0.00 | 0.00 | 0.50 | 0.83 | 0.80 | 1.00 | 1.00 | 0.50 | 0.00 | 0.00 | 0.20 | 0.67 | 1.00 | 0.40 | 0.41 | 20.11 |
| E | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.01 | 0.31 |
| F | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| G | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| H | 0.00 | 0.17 | 0.60 | 0.33 | 0.50 | 0.00 | 1.00 | 1.25 | 1.00 | 0.80 | 1.00 | 0.20 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.20 | 0.50 | 0.00 | 0.60 | 0.28 | 13.78 |
| I | 1.20 | 0.83 | 0.80 | 1.00 | 0.75 | 2.00 | 0.60 | 0.25 | 0.33 | 0.40 | 1.75 | 1.60 | 0.75 | 0.60 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.60 | 0.60 | 0.50 | 1.00 | 0.60 | 0.56 | 27.13 |
| x | 0.00 | 0.33 | 0.60 | 0.50 | 1.00 | 0.40 | 1.60 | 1.50 | 0.67 | 0.60 | 0.75 | 0.60 | 0.25 | 0.00 | 0.17 | 0.75 | 0.67 | 1.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.33 | 0.00 | 0.00 | 0.33 | 0.33 | 0.00 | 0.43 | 20.69 |
| r | 0.00 | 0.00 | 0.20 | 0.00 | 0.25 | 0.60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.20 | 0.25 | 0.20 | 0.00 | 0.00 | 0.33 | 0.33 | 1.50 | 0.17 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.15 | 7.41 |
| s | 0.40 | 0.83 | 0.60 | 1.00 | 0.75 | 1.20 | 0.40 | 0.50 | 0.33 | 1.20 | 0.75 | 1.00 | 0.75 | 0.60 | 0.33 | 0.25 | 0.00 | 0.00 | 0.00 | 0.17 | 0.33 | 0.20 | 0.00 | 0.20 | 0.00 | 0.00 | 0.40 | 0.40 | 0.83 | 1.33 | 1.00 | 0.51 | 24.68 |
| a | 1.60 | 1.17 | 0.40 | 1.00 | 0.75 | 1.00 | 0.60 | 0.25 | 0.67 | 0.20 | 0.50 | 0.60 | 0.75 | 0.80 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.67 | 0.60 | 1.00 | 0.80 | 0.50 | 0.67 | 0.20 | 0.20 | 0.50 | 0.33 | 0.00 | 0.55 | 26.48 |
| h | 0.00 | 0.33 | 0.60 | 0.17 | 0.50 | 0.40 | 0.40 | 0.75 | 1.00 | 0.60 | 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 | 0.20 | 0.20 | 0.33 | 0.33 | 0.40 | 0.22 | 10.51 |
| k | 0.20 | 0.33 | 0.60 | 0.33 | 0.50 | 0.00 | 0.80 | 0.75 | 0.33 | 0.40 | 0.50 | 0.20 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.20 | 0.33 | 0.00 | 0.60 | 0.21 | 10.23 |
| x | 1.20 | 1.33 | 2.00 | 1.83 | 2.25 | 2.40 | 3.20 | 2.75 | 1.33 | 1.20 | 3.50 | 2.40 | 1.25 | 0.60 | 0.00 | 0.00 | 0.33 | 0.33 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 1.00 | 1.00 | 0.80 | 1.33 | 1.33 | 1.20 | 1.15 | 55.70 |
| o | 0.80 | 1.17 | 0.60 | 0.83 | 1.00 | 1.20 | 0.60 | 0.75 | 0.67 | 1.40 | 0.00 | 0.20 | 1.00 | 0.80 | 0.50 | 0.25 | 0.33 | 0.67 | 1.00 | 0.67 | 0.50 | 0.80 | 0.00 | 0.60 | 0.00 | 0.00 | 0.00 | 0.20 | 0.67 | 0.67 | 0.20 | 0.58 | 28.28 |
| i | 0.20 | 0.50 | 0.40 | 0.33 | 0.50 | 0.00 | 0.00 | 0.25 | 0.67 | 0.40 | 0.00 | 0.00 | 0.00 | 0.20 | 0.50 | 0.75 | 0.33 | 0.33 | 0.50 | 0.00 | 0.33 | 0.20 | 0.75 | 0.40 | 0.50 | 0.00 | 0.00 | 0.00 | 0.17 | 0.33 | 0.40 | 0.29 | 14.01 |
| c | 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 | 0.17 | 0.17 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 0.20 | 0.04 | 2.01 |
| CV | 28.80 | 54.00 | 59.40 | 43.50 | 60.00 | 39.00 | 57.00 | 67.25 | 78.00 | 62.60 | 52.25 | 26.00 | 30.50 | 21.80 | 11.17 | 9.00 | 3.00 | 3.67 | 8.00 | 15.67 | 21.83 | 18.00 | 24.25 | 21.40 | 11.50 | 5.00 | 20.80 | 22.60 | 47.83 | 42.33 | 57.20 | 33.01 | 100 |
| CVn | 7.60 | 6.33 | 3.40 | 5.17 | 7.50 | 9.00 | 3.40 | 0.75 | 0.00 | 0.00 | 0.50 | 5.00 | 15.00 | 17.60 | 11.17 | 9.00 | 3.00 | 2.00 | 8.00 | 4.67 | 0.00 | 0.00 | 0.00 | 4.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 3.99 | 12.10 |
| CVs | 21.20 | 47.67 | 56.00 | 38.33 | 52.50 | 30.00 | 53.60 | 66.50 | 78.00 | 62.60 | 51.75 | 21.00 | 15.50 | 4.20 | 0.00 | 0.00 | 0.00 | 1.67 | 0.00 | 11.00 | 21.83 | 18.00 | 24.25 | 17.00 | 11.50 | 5.00 | 20.80 | 22.60 | 47.83 | 42.00 | 57.20 | 29.02 | 87.90 |
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