Statistics of sunspot activity
February, 2013
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 | Average | % |
| W | 54.33 | 57.00 | 79.00 | 38.67 | 41.67 | 41.50 | 58.33 | 54.00 | 57.50 | 41.33 | 52.00 | 52.00 | 46.33 | 24.00 | 46.67 | 50.00 | 72.00 | 95.00 | 107.67 | 102.00 | 81.50 | 66.33 | 41.00 | 25.00 | 44.33 | 53.00 | 57.67 | 64.67 | 57.30 | 100 |
| Wn | 37.67 | 45.67 | 62.50 | 34.67 | 41.67 | 41.50 | 58.33 | 54.00 | 51.50 | 41.33 | 39.67 | 45.50 | 38.00 | 24.00 | 28.33 | 32.00 | 33.00 | 43.00 | 50.33 | 48.33 | 43.00 | 36.67 | 18.67 | 12.00 | 14.67 | 16.67 | 13.33 | 12.67 | 36.38 | 63.49 |
| Ws | 16.67 | 11.33 | 16.50 | 4.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.00 | 0.00 | 12.33 | 6.50 | 8.33 | 0.00 | 18.33 | 18.00 | 39.00 | 52.00 | 57.33 | 53.67 | 38.50 | 29.67 | 22.33 | 13.00 | 29.67 | 36.33 | 44.33 | 52.00 | 20.92 | 36.51 |
| n | 4.33 | 4.33 | 5.50 | 2.67 | 3.00 | 3.00 | 4.00 | 3.67 | 3.50 | 2.67 | 4.00 | 4.00 | 3.67 | 2.00 | 4.00 | 4.00 | 5.00 | 6.00 | 6.67 | 6.33 | 5.50 | 5.00 | 3.33 | 2.00 | 3.67 | 3.33 | 3.67 | 4.00 | 4.03 | 100 |
| A | 0.00 | 0.67 | 1.50 | 0.33 | 0.00 | 0.50 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.50 | 0.33 | 0.00 | 0.67 | 0.50 | 1.00 | 1.50 | 1.67 | 1.33 | 0.50 | 0.33 | 0.00 | 0.00 | 0.67 | 0.33 | 0.00 | 0.67 | 0.49 | 12.11 |
| B | 0.33 | 0.00 | 0.00 | 0.33 | 1.00 | 0.50 | 0.33 | 0.00 | 0.50 | 0.00 | 0.33 | 1.00 | 1.33 | 0.00 | 0.67 | 1.00 | 0.50 | 0.50 | 0.00 | 0.00 | 1.00 | 0.33 | 0.67 | 0.00 | 0.33 | 0.33 | 0.33 | 0.33 | 0.42 | 10.34 |
| C | 1.33 | 0.67 | 2.00 | 0.33 | 0.00 | 0.50 | 1.33 | 1.67 | 0.50 | 0.00 | 0.33 | 0.00 | 0.00 | 0.50 | 0.33 | 1.00 | 1.00 | 1.50 | 1.67 | 2.00 | 0.50 | 0.33 | 0.00 | 1.00 | 0.33 | 0.67 | 0.67 | 1.00 | 0.76 | 18.76 |
| D | 0.33 | 1.33 | 1.50 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.50 | 0.00 | 0.00 | 0.50 | 0.50 | 2.00 | 1.33 | 0.50 | 1.00 | 0.00 | 1.00 | 1.00 | 1.67 | 1.67 | 2.00 | 0.96 | 23.78 |
| 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 |
| 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 |
| 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 | 0.50 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.74 |
| H | 0.00 | 0.33 | 0.00 | 0.00 | 0.33 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 2.95 |
| I | 2.33 | 1.33 | 0.50 | 0.67 | 0.67 | 0.50 | 0.33 | 0.67 | 1.50 | 1.67 | 2.33 | 1.00 | 1.00 | 1.00 | 2.33 | 1.50 | 2.00 | 1.00 | 1.33 | 1.67 | 2.00 | 2.67 | 2.67 | 0.00 | 1.33 | 0.33 | 1.00 | 0.00 | 1.26 | 31.31 |
| x | 0.33 | 0.67 | 1.50 | 0.67 | 1.00 | 1.00 | 0.67 | 0.33 | 0.50 | 0.00 | 0.33 | 1.50 | 1.67 | 0.00 | 1.33 | 1.50 | 1.50 | 2.00 | 1.67 | 1.33 | 1.50 | 0.67 | 0.67 | 0.00 | 1.00 | 0.67 | 0.33 | 1.00 | 0.90 | 22.45 |
| r | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.33 | 0.00 | 0.00 | 0.67 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.33 | 0.19 | 4.73 |
| s | 2.67 | 2.00 | 1.50 | 1.33 | 1.33 | 2.00 | 1.00 | 1.67 | 0.00 | 0.33 | 2.00 | 1.00 | 1.33 | 1.50 | 2.33 | 2.00 | 3.00 | 1.50 | 2.33 | 3.33 | 2.00 | 2.67 | 1.67 | 2.00 | 2.00 | 1.67 | 2.33 | 1.00 | 1.77 | 43.87 |
| a | 0.33 | 0.67 | 2.50 | 0.33 | 0.00 | 0.00 | 0.00 | 1.67 | 3.00 | 1.67 | 0.67 | 1.00 | 0.67 | 0.50 | 0.33 | 0.00 | 0.00 | 1.00 | 2.67 | 0.67 | 0.50 | 0.67 | 1.00 | 0.00 | 0.33 | 0.67 | 0.67 | 1.33 | 0.82 | 20.24 |
| h | 0.67 | 0.67 | 0.00 | 0.33 | 0.67 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.50 | 0.00 | 0.67 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.23 | 5.61 |
| k | 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 | 0.33 | 1.50 | 0.33 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.33 | 0.13 | 3.10 |
| x | 2.33 | 2.33 | 2.00 | 1.00 | 1.00 | 1.00 | 1.33 | 1.00 | 1.50 | 1.67 | 2.33 | 2.00 | 1.33 | 1.00 | 3.00 | 2.00 | 3.00 | 3.50 | 3.00 | 3.00 | 3.00 | 3.00 | 2.67 | 0.00 | 2.00 | 0.67 | 1.00 | 0.67 | 1.87 | 46.38 |
| o | 2.00 | 1.67 | 3.00 | 1.33 | 2.00 | 2.00 | 2.33 | 2.67 | 1.50 | 0.33 | 1.33 | 1.50 | 2.00 | 1.00 | 1.00 | 2.00 | 1.50 | 2.50 | 2.00 | 2.33 | 1.50 | 1.67 | 0.67 | 2.00 | 1.67 | 2.33 | 2.67 | 2.67 | 1.83 | 45.35 |
| i | 0.00 | 0.33 | 0.50 | 0.33 | 0.00 | 0.00 | 0.33 | 0.00 | 0.50 | 0.67 | 0.33 | 0.50 | 0.33 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 1.00 | 0.33 | 0.50 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.26 | 6.35 |
| 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 | 0.67 | 0.67 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.08 | 1.92 |
| CV | 62.00 | 80.00 | 58.50 | 45.33 | 55.00 | 37.00 | 71.67 | 42.33 | 36.00 | 31.67 | 43.67 | 53.00 | 36.00 | 26.50 | 28.00 | 25.50 | 44.00 | 93.50 | 80.67 | 100.33 | 95.00 | 76.00 | 25.00 | 36.00 | 37.33 | 59.33 | 61.67 | 61.33 | 53.65 | 100 |
| CVn | 50.33 | 73.67 | 57.00 | 44.67 | 55.00 | 37.00 | 71.67 | 42.33 | 35.00 | 31.67 | 40.00 | 52.00 | 34.67 | 26.50 | 17.33 | 17.50 | 29.50 | 62.00 | 45.67 | 75.67 | 83.00 | 56.33 | 14.67 | 11.00 | 10.33 | 11.00 | 10.67 | 2.67 | 39.24 | 73.14 |
| CVs | 11.67 | 6.33 | 1.50 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 3.67 | 1.00 | 1.33 | 0.00 | 10.67 | 8.00 | 14.50 | 31.50 | 35.00 | 24.67 | 12.00 | 19.67 | 10.33 | 25.00 | 27.00 | 48.33 | 51.00 | 58.67 | 14.41 | 26.86 |
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