Statistics of sunspot activity
December, 2010
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 | 22.60 | 29.50 | 34.67 | 28.80 | 39.00 | 30.67 | 28.00 | 26.25 | 23.20 | 26.33 | 25.75 | 22.20 | 37.50 | 30.80 | 11.00 | 23.00 | 11.00 | 11.00 | 0.00 | 0.00 | 0.00 | 18.50 | 15.67 | 16.00 | 25.00 | 25.33 | 13.67 | 20.25 | 17.00 | 12.75 | 20.00 | 20.82 | 100 |
| Wn | 22.60 | 29.50 | 34.67 | 28.80 | 39.00 | 30.67 | 25.60 | 26.25 | 23.20 | 26.33 | 25.75 | 22.20 | 37.50 | 30.80 | 11.00 | 23.00 | 11.00 | 11.00 | 0.00 | 0.00 | 0.00 | 6.50 | 7.67 | 0.00 | 8.20 | 17.33 | 13.67 | 20.25 | 17.00 | 12.75 | 20.00 | 18.78 | 90.21 |
| Ws | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.40 | 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 | 12.00 | 8.00 | 16.00 | 16.80 | 8.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.04 | 9.79 |
| n | 1.20 | 2.00 | 2.67 | 2.40 | 3.25 | 2.67 | 2.20 | 2.25 | 2.00 | 2.33 | 2.25 | 2.00 | 3.25 | 2.80 | 1.00 | 2.00 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 1.50 | 1.33 | 1.40 | 2.00 | 2.00 | 1.00 | 1.25 | 1.25 | 1.00 | 1.67 | 1.70 | 100 |
| A | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.25 | 0.00 | 0.33 | 0.25 | 0.00 | 0.25 | 0.80 | 0.00 | 0.50 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 1.00 | 0.60 | 0.33 | 0.00 | 0.25 | 0.25 | 0.25 | 0.67 | 0.32 | 19.11 |
| B | 0.00 | 0.00 | 0.33 | 0.40 | 0.50 | 0.33 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.75 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.33 | 0.40 | 1.20 | 1.33 | 0.00 | 0.25 | 0.25 | 0.00 | 0.33 | 0.26 | 15.41 |
| C | 0.00 | 0.25 | 1.33 | 0.40 | 0.25 | 0.00 | 0.60 | 0.50 | 0.20 | 0.67 | 0.75 | 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 | 0.20 | 0.33 | 0.33 | 0.25 | 0.25 | 0.00 | 0.33 | 0.22 | 13.10 |
| D | 0.80 | 0.75 | 0.00 | 0.00 | 0.25 | 0.33 | 0.20 | 0.00 | 0.20 | 0.00 | 0.00 | 0.20 | 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 | 0.50 | 0.50 | 0.00 | 0.33 | 0.15 | 8.99 |
| E | 0.20 | 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 | 0.01 | 0.38 |
| 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 | 0.50 | 1.00 | 0.80 | 0.75 | 1.00 | 0.20 | 0.50 | 0.40 | 0.67 | 0.50 | 0.60 | 0.75 | 0.40 | 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 | 0.26 | 15.32 |
| I | 0.20 | 0.50 | 0.00 | 0.80 | 1.50 | 0.67 | 1.00 | 1.00 | 1.20 | 0.67 | 0.75 | 1.20 | 1.25 | 1.60 | 1.00 | 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 | 0.75 | 0.00 | 0.47 | 27.69 |
| x | 0.00 | 0.00 | 0.33 | 0.40 | 0.50 | 0.67 | 0.20 | 0.25 | 0.00 | 0.33 | 0.25 | 0.00 | 1.00 | 0.80 | 0.00 | 1.50 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 1.50 | 1.33 | 1.40 | 1.80 | 1.67 | 0.00 | 0.50 | 0.50 | 0.25 | 1.00 | 0.59 | 34.53 |
| r | 0.00 | 0.00 | 0.67 | 0.20 | 0.50 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.25 | 0.50 | 0.50 | 0.33 | 0.16 | 9.62 |
| s | 0.40 | 1.00 | 0.33 | 0.40 | 1.25 | 0.67 | 0.80 | 1.25 | 1.20 | 1.00 | 1.00 | 1.20 | 1.50 | 1.60 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.25 | 0.00 | 0.25 | 0.00 | 0.48 | 28.10 |
| a | 0.60 | 0.50 | 0.33 | 0.40 | 0.25 | 0.33 | 0.20 | 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 | 0.67 | 0.25 | 0.25 | 0.00 | 0.33 | 0.13 | 7.82 |
| h | 0.00 | 0.50 | 1.00 | 1.00 | 0.75 | 1.00 | 0.60 | 0.75 | 0.80 | 1.00 | 0.75 | 0.80 | 0.75 | 0.40 | 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 | 0.33 | 19.18 |
| k | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 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 | 0.01 | 0.76 |
| x | 0.20 | 1.00 | 1.00 | 1.60 | 2.25 | 2.00 | 1.20 | 1.75 | 1.60 | 1.67 | 1.50 | 1.80 | 2.25 | 2.80 | 1.00 | 1.00 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 1.00 | 0.60 | 0.33 | 0.00 | 0.25 | 0.25 | 1.00 | 0.67 | 1.06 | 62.12 |
| o | 0.00 | 0.25 | 1.67 | 0.80 | 0.75 | 0.67 | 0.80 | 0.50 | 0.40 | 0.67 | 0.75 | 0.20 | 1.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.33 | 0.40 | 1.40 | 1.67 | 1.00 | 0.25 | 0.50 | 0.00 | 1.00 | 0.53 | 31.33 |
| i | 1.00 | 0.75 | 0.00 | 0.00 | 0.25 | 0.00 | 0.20 | 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 | 0.75 | 0.50 | 0.00 | 0.00 | 0.11 | 6.55 |
| 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 | 30.20 | 46.00 | 50.33 | 48.80 | 50.00 | 54.00 | 44.60 | 43.25 | 46.00 | 51.00 | 42.00 | 45.80 | 47.00 | 32.80 | 4.00 | 7.50 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 2.00 | 1.67 | 1.80 | 5.20 | 4.67 | 14.33 | 14.75 | 11.00 | 4.75 | 9.33 | 23.06 | 100 |
| CVn | 30.20 | 46.00 | 50.33 | 48.80 | 50.00 | 54.00 | 44.20 | 43.25 | 46.00 | 51.00 | 42.00 | 45.80 | 47.00 | 32.80 | 4.00 | 7.50 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.67 | 0.00 | 3.00 | 3.33 | 14.33 | 14.75 | 11.00 | 4.75 | 9.33 | 22.79 | 98.85 |
| CVs | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 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 | 1.50 | 1.00 | 1.80 | 2.20 | 1.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.27 | 1.15 |
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