Statistics of sunspot activity
February, 2012
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 | Average | % |
| W | 92.00 | 43.00 | 33.00 | 30.50 | 32.00 | 33.50 | 22.67 | 27.50 | 23.50 | 44.50 | 45.50 | 43.50 | 55.00 | 51.00 | 48.67 | 45.50 | 54.50 | 47.00 | 64.00 | 51.50 | 48.50 | 31.00 | 52.00 | 48.00 | 43.33 | 43.00 | 41.33 | 35.50 | 18.33 | 44.62 | 100.00 | |
| Wn | 62.50 | 31.00 | 33.00 | 24.50 | 26.00 | 33.50 | 22.67 | 27.50 | 7.50 | 17.50 | 6.50 | 24.00 | 23.00 | 23.00 | 23.67 | 23.50 | 24.50 | 33.67 | 52.33 | 51.50 | 48.50 | 31.00 | 52.00 | 41.50 | 34.67 | 43.00 | 41.33 | 35.50 | 18.33 | 32.76 | 73.41 | |
| Ws | 29.50 | 12.00 | 0.00 | 6.00 | 6.00 | 0.00 | 0.00 | 0.00 | 16.00 | 27.00 | 39.00 | 19.50 | 32.00 | 28.00 | 25.00 | 22.00 | 30.00 | 13.33 | 11.67 | 0.00 | 0.00 | 0.00 | 0.00 | 6.50 | 8.67 | 0.00 | 0.00 | 0.00 | 0.00 | 11.86 | 26.59 | |
| n | 5.50 | 3.00 | 2.00 | 2.50 | 2.50 | 2.50 | 1.67 | 2.00 | 1.50 | 2.50 | 2.00 | 3.00 | 3.67 | 3.50 | 3.67 | 3.50 | 4.50 | 4.00 | 5.00 | 3.50 | 3.00 | 2.00 | 4.00 | 4.00 | 3.67 | 3.67 | 3.67 | 3.00 | 1.67 | 3.24 | 100.00 | |
| A | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.33 | 0.50 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 1.00 | 1.67 | 0.50 | 0.50 | 0.00 | 2.00 | 1.50 | 0.33 | 0.33 | 2.00 | 1.00 | 0.33 | 0.51 | 15.81 | |
| B | 1.00 | 0.00 | 0.00 | 0.50 | 0.50 | 0.00 | 0.33 | 1.00 | 0.00 | 1.00 | 0.50 | 0.50 | 0.33 | 0.50 | 0.00 | 0.50 | 1.00 | 1.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.50 | 0.33 | 0.00 | 0.67 | 1.00 | 0.00 | 0.42 | 12.87 | |
| C | 2.50 | 1.00 | 1.00 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.50 | 1.00 | 0.50 | 0.67 | 1.00 | 1.00 | 0.33 | 1.00 | 1.50 | 0.00 | 0.00 | 1.00 | 0.50 | 1.33 | 1.00 | 0.00 | 0.00 | 0.00 | 0.67 | 20.77 | |
| D | 0.50 | 2.00 | 1.00 | 0.50 | 0.00 | 0.00 | 0.33 | 0.50 | 0.50 | 1.00 | 1.00 | 0.00 | 0.33 | 0.50 | 0.67 | 0.00 | 0.00 | 0.33 | 1.00 | 1.00 | 1.00 | 1.00 | 0.00 | 0.50 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.50 | 15.44 | |
| E | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 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 | 0.05 | 1.65 | |
| 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 | |
| G | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.50 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 5.15 | |
| H | 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 | 0.67 | 0.00 | 0.00 | 0.00 | 0.33 | 0.05 | 1.65 | |
| I | 0.50 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 1.50 | 1.00 | 1.00 | 1.00 | 1.00 | 2.50 | 1.33 | 1.33 | 0.50 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 2.00 | 1.00 | 1.00 | 1.00 | 0.86 | 26.65 | |
| x | 2.00 | 0.00 | 0.00 | 0.50 | 0.50 | 0.50 | 0.67 | 1.50 | 0.00 | 1.00 | 1.00 | 0.50 | 0.33 | 0.50 | 0.33 | 0.50 | 1.00 | 2.00 | 1.67 | 0.50 | 1.00 | 0.00 | 2.00 | 2.00 | 0.67 | 0.33 | 2.67 | 2.00 | 0.33 | 0.93 | 28.68 | |
| r | 1.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.50 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.50 | 0.00 | 0.00 | 0.50 | 0.50 | 0.00 | 0.00 | 0.00 | 0.67 | 1.33 | 0.00 | 0.00 | 0.00 | 0.24 | 7.35 | |
| s | 1.50 | 2.00 | 2.00 | 1.00 | 1.00 | 0.50 | 1.00 | 0.00 | 1.00 | 1.00 | 0.00 | 2.00 | 2.33 | 2.50 | 2.33 | 3.00 | 3.00 | 2.00 | 3.00 | 1.50 | 1.00 | 1.50 | 1.00 | 1.00 | 1.00 | 1.67 | 1.00 | 1.00 | 1.00 | 1.53 | 47.24 | |
| a | 0.50 | 1.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.50 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 1.00 | 0.00 | 0.50 | 1.00 | 1.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.29 | 8.82 | |
| h | 0.50 | 0.00 | 0.00 | 1.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.33 | 0.50 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.21 | 6.62 | |
| k | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 1.29 | |
| x | 1.50 | 0.00 | 0.00 | 0.50 | 1.00 | 1.50 | 0.33 | 0.50 | 0.00 | 0.50 | 0.50 | 1.50 | 1.00 | 1.00 | 1.33 | 1.00 | 2.50 | 2.33 | 3.00 | 1.00 | 1.50 | 1.00 | 3.00 | 2.50 | 2.00 | 2.33 | 3.00 | 2.00 | 1.67 | 1.43 | 44.12 | |
| o | 3.00 | 3.00 | 2.00 | 2.00 | 1.50 | 0.50 | 1.33 | 1.00 | 1.00 | 1.50 | 0.50 | 1.00 | 2.67 | 1.00 | 2.33 | 2.50 | 2.00 | 1.67 | 2.00 | 1.50 | 0.50 | 0.00 | 1.00 | 1.50 | 1.67 | 1.33 | 0.67 | 1.00 | 0.00 | 1.49 | 45.96 | |
| i | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.50 | 0.50 | 0.50 | 1.00 | 0.50 | 0.00 | 1.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.32 | 9.93 | |
| 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 | |
| CV | 56.00 | 55.00 | 36.00 | 59.50 | 34.00 | 30.50 | 26.67 | 9.50 | 22.00 | 30.50 | 53.50 | 45.00 | 76.00 | 70.50 | 64.33 | 48.50 | 35.00 | 28.33 | 49.00 | 41.00 | 48.50 | 35.00 | 20.00 | 27.50 | 57.33 | 28.67 | 13.33 | 13.00 | 23.67 | 40.64 | 100.00 | |
| CVn | 49.00 | 44.00 | 36.00 | 58.50 | 33.00 | 30.50 | 26.67 | 9.50 | 5.50 | 7.00 | 1.00 | 20.50 | 35.33 | 29.50 | 28.33 | 21.00 | 20.50 | 18.67 | 44.67 | 41.00 | 48.50 | 35.00 | 20.00 | 26.50 | 55.00 | 28.67 | 13.33 | 13.00 | 23.67 | 29.42 | 72.40 | |
| CVs | 7.00 | 11.00 | 0.00 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 16.50 | 23.50 | 52.50 | 24.50 | 40.67 | 41.00 | 36.00 | 27.50 | 14.50 | 9.67 | 4.33 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 2.33 | 0.00 | 0.00 | 0.00 | 0.00 | 11.21 | 27.60 | |
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