Statistics of sunspot activity
January, 2011
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 | 47.50 | 42.50 | 51.00 | 52.00 | 39.25 | 36.67 | 34.75 | 43.67 | 40.25 | 27.00 | 24.50 | 23.33 | 15.00 | 11.00 | 11.00 | 13.33 | 29.75 | 36.50 | 28.67 | 31.33 | 39.50 | 36.00 | 37.00 | 27.75 | 27.50 | 27.25 | 16.00 | 27.00 | 23.33 | 19.00 | 21.33 | 30.34 | 100 |
| Wn | 29.75 | 26.00 | 28.00 | 26.50 | 18.75 | 11.33 | 11.50 | 17.00 | 25.50 | 27.00 | 24.50 | 23.33 | 15.00 | 11.00 | 11.00 | 13.33 | 16.00 | 23.00 | 17.00 | 19.00 | 39.50 | 36.00 | 37.00 | 27.75 | 27.50 | 27.25 | 7.33 | 12.00 | 8.00 | 0.00 | 0.00 | 19.90 | 65.57 |
| Ws | 17.75 | 16.50 | 23.00 | 25.50 | 20.50 | 25.33 | 23.25 | 26.67 | 14.75 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 13.75 | 13.50 | 11.67 | 12.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 8.67 | 15.00 | 15.33 | 19.00 | 21.33 | 10.45 | 34.43 |
| n | 3.50 | 3.00 | 3.00 | 3.00 | 2.50 | 2.67 | 2.75 | 3.33 | 3.25 | 2.33 | 2.00 | 2.00 | 1.00 | 1.00 | 1.00 | 1.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.25 | 1.33 | 2.00 | 1.67 | 1.00 | 1.00 | 2.08 | 100 |
| A | 0.50 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.50 | 1.00 | 1.00 | 1.00 | 0.75 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.33 | 0.00 | 0.33 | 0.00 | 0.00 | 0.26 | 12.26 |
| B | 0.25 | 0.50 | 1.00 | 0.50 | 0.50 | 0.67 | 0.75 | 1.00 | 1.25 | 0.33 | 0.00 | 0.33 | 0.50 | 0.00 | 0.00 | 0.00 | 0.75 | 0.50 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 2.00 | 1.33 | 0.00 | 0.00 | 0.42 | 20.39 |
| C | 0.25 | 0.00 | 0.00 | 0.00 | 1.75 | 0.67 | 0.50 | 0.67 | 0.00 | 0.00 | 0.75 | 0.00 | 0.50 | 0.00 | 0.00 | 0.33 | 1.00 | 1.00 | 1.33 | 0.33 | 1.00 | 0.25 | 0.00 | 0.25 | 0.50 | 0.25 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.38 | 18.32 |
| D | 1.50 | 1.50 | 1.00 | 1.00 | 0.00 | 0.33 | 0.25 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.25 | 0.25 | 0.00 | 0.33 | 0.50 | 0.75 | 1.00 | 0.50 | 0.50 | 0.50 | 0.00 | 0.00 | 0.00 | 0.50 | 1.00 | 0.40 | 18.97 |
| 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 | 0.25 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 1.29 |
| 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 | 0.50 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.77 |
| H | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 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 | 0.00 | 0.02 | 1.03 |
| I | 1.00 | 1.00 | 1.00 | 1.00 | 0.00 | 0.67 | 0.75 | 0.67 | 1.00 | 1.00 | 0.25 | 1.33 | 0.00 | 0.00 | 1.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 1.00 | 1.00 | 1.00 | 1.00 | 1.25 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.56 | 26.97 |
| x | 0.75 | 0.50 | 1.00 | 0.50 | 0.75 | 0.67 | 1.25 | 2.00 | 2.25 | 1.33 | 0.75 | 0.33 | 0.50 | 1.00 | 0.00 | 0.00 | 0.75 | 0.50 | 0.67 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.67 | 2.00 | 1.67 | 0.00 | 0.00 | 0.68 | 32.65 |
| r | 0.00 | 0.00 | 0.00 | 0.50 | 0.25 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.33 | 0.50 | 0.00 | 1.00 | 0.00 | 0.25 | 0.50 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.33 | 0.16 | 7.48 |
| s | 2.00 | 1.00 | 2.00 | 2.00 | 1.00 | 1.33 | 1.50 | 1.00 | 1.00 | 0.67 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 1.00 | 0.67 | 1.00 | 2.00 | 1.25 | 1.33 | 1.50 | 2.00 | 1.50 | 0.67 | 0.00 | 0.00 | 0.50 | 0.33 | 1.01 | 48.39 |
| a | 0.75 | 1.50 | 0.00 | 0.00 | 0.25 | 0.33 | 0.00 | 0.00 | 0.00 | 0.33 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.75 | 0.67 | 0.50 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.21 | 10.06 |
| h | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.33 | 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 | 0.00 | 0.03 | 1.42 |
| k | 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 |
| x | 1.50 | 1.00 | 1.00 | 1.00 | 0.25 | 1.00 | 1.25 | 1.67 | 2.00 | 2.00 | 1.00 | 1.67 | 0.00 | 1.00 | 1.00 | 0.33 | 0.00 | 0.00 | 0.67 | 0.33 | 0.50 | 1.00 | 1.00 | 1.00 | 1.00 | 1.50 | 1.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.84 | 40.26 |
| o | 2.00 | 2.00 | 1.00 | 1.00 | 2.00 | 1.67 | 1.50 | 1.67 | 1.25 | 0.33 | 1.00 | 0.33 | 1.00 | 0.00 | 0.00 | 0.67 | 1.50 | 1.25 | 0.67 | 1.33 | 1.00 | 0.50 | 0.00 | 0.25 | 1.00 | 0.50 | 0.33 | 2.00 | 1.33 | 1.00 | 1.00 | 1.00 | 48.13 |
| i | 0.00 | 0.00 | 1.00 | 1.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.75 | 0.67 | 0.33 | 0.50 | 0.50 | 1.00 | 0.75 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.24 | 11.61 |
| c | 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 |
| CV | 46.75 | 41.00 | 40.00 | 46.00 | 26.00 | 36.00 | 21.25 | 15.00 | 13.50 | 10.67 | 17.00 | 25.33 | 3.50 | 1.00 | 4.00 | 15.33 | 18.25 | 21.50 | 13.00 | 23.33 | 30.00 | 28.75 | 35.00 | 32.50 | 28.00 | 27.25 | 7.67 | 4.00 | 3.00 | 15.00 | 19.00 | 21.57 | 100 |
| CVn | 32.25 | 22.00 | 12.00 | 18.00 | 18.50 | 20.00 | 10.25 | 10.67 | 12.00 | 10.67 | 17.00 | 25.33 | 3.50 | 1.00 | 4.00 | 15.33 | 15.50 | 16.00 | 10.67 | 21.67 | 30.00 | 28.75 | 35.00 | 32.50 | 28.00 | 27.25 | 6.67 | 2.00 | 1.00 | 0.00 | 0.00 | 15.73 | 72.92 |
| CVs | 14.50 | 19.00 | 28.00 | 28.00 | 7.50 | 16.00 | 11.00 | 4.33 | 1.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.75 | 5.50 | 2.33 | 1.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 2.00 | 2.00 | 15.00 | 19.00 | 5.84 | 27.08 |
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