Statistics of sunspot activity
February, 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 | Average | % |
| W | 31.00 | 35.50 | 35.00 | 27.50 | 24.25 | 22.80 | 24.80 | 15.40 | 11.00 | 14.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 11.50 | 11.25 | 15.75 | 26.50 | 22.00 | 15.60 | 15.67 | 14.67 | 11.00 | 13.60 | 22.00 | 21.60 | 15.80 | 16.39 | 100 |
| Wn | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Ws | 31.00 | 35.50 | 35.00 | 27.50 | 24.25 | 22.80 | 24.80 | 15.40 | 11.00 | 14.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 11.50 | 11.25 | 15.75 | 26.50 | 22.00 | 15.60 | 15.67 | 14.67 | 11.00 | 13.60 | 22.00 | 21.60 | 15.80 | 16.39 | 100.00 |
| n | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.20 | 1.40 | 1.00 | 1.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 1.25 | 2.00 | 1.60 | 1.00 | 1.33 | 1.33 | 1.00 | 1.20 | 2.00 | 1.80 | 1.40 | 1.28 | 100 |
| A | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.50 | 0.00 | 0.00 | 0.00 | 0.67 | 0.33 | 0.00 | 0.00 | 0.50 | 0.80 | 0.40 | 0.15 | 11.81 |
| B | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.25 | 1.00 | 1.00 | 0.20 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 8.46 |
| C | 0.00 | 0.50 | 0.00 | 0.50 | 0.75 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.25 | 1.00 | 0.60 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.20 | 0.20 | 15.34 |
| D | 0.80 | 0.75 | 1.00 | 0.50 | 0.25 | 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 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.15 | 11.44 |
| 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| H | 0.40 | 0.25 | 0.33 | 0.50 | 0.50 | 0.60 | 0.40 | 0.20 | 0.40 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.25 | 0.20 | 0.50 | 0.00 | 0.00 | 0.19 | 14.50 |
| I | 0.80 | 0.50 | 0.67 | 0.50 | 0.50 | 0.80 | 1.60 | 1.20 | 0.60 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.75 | 1.00 | 1.00 | 0.40 | 0.80 | 0.49 | 38.45 |
| x | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.75 | 0.75 | 1.00 | 1.00 | 0.20 | 1.00 | 0.33 | 0.00 | 0.00 | 0.50 | 0.80 | 0.40 | 0.26 | 20.27 |
| r | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.40 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 3.63 |
| s | 1.40 | 0.75 | 0.33 | 1.00 | 0.75 | 1.00 | 1.40 | 1.00 | 0.60 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.25 | 0.50 | 0.20 | 0.40 | 0.00 | 0.67 | 0.50 | 0.60 | 1.00 | 0.80 | 0.80 | 0.53 | 41.47 |
| a | 0.00 | 0.00 | 1.00 | 0.00 | 0.25 | 0.00 | 0.20 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.25 | 0.50 | 0.00 | 0.00 | 0.00 | 0.33 | 0.25 | 0.40 | 0.00 | 0.20 | 0.20 | 0.15 | 11.95 |
| h | 0.20 | 0.75 | 0.67 | 0.50 | 0.50 | 0.60 | 0.20 | 0.20 | 0.40 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 13.06 |
| k | 0.40 | 0.50 | 0.00 | 0.50 | 0.50 | 0.40 | 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 | 0.25 | 0.20 | 0.50 | 0.00 | 0.00 | 0.12 | 9.62 |
| x | 1.20 | 0.75 | 1.00 | 1.00 | 1.00 | 1.40 | 2.20 | 1.40 | 1.00 | 1.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.75 | 0.75 | 0.00 | 0.00 | 0.00 | 1.00 | 1.33 | 1.00 | 1.20 | 2.00 | 1.20 | 1.20 | 0.83 | 64.76 |
| o | 0.60 | 0.50 | 0.33 | 0.75 | 1.00 | 0.60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.25 | 0.50 | 2.00 | 1.60 | 1.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.60 | 0.20 | 0.38 | 30.03 |
| i | 0.20 | 0.75 | 0.67 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 5.21 |
| 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 |
| CV | 48.20 | 66.50 | 51.00 | 55.25 | 50.75 | 50.40 | 31.00 | 19.40 | 22.00 | 20.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.00 | 3.50 | 5.50 | 11.50 | 6.20 | 11.20 | 14.67 | 9.33 | 16.00 | 16.20 | 29.00 | 13.60 | 10.00 | 20.27 | 100 |
| CVn | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| CVs | 48.20 | 66.50 | 51.00 | 55.25 | 50.75 | 50.40 | 31.00 | 19.40 | 22.00 | 20.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.00 | 3.50 | 5.50 | 11.50 | 6.20 | 11.20 | 14.67 | 9.33 | 16.00 | 16.20 | 29.00 | 13.60 | 10.00 | 20.27 | 100.00 |
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