Statistics of sunspot activity
March, 2006
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 | 0.00 | 0.00 | 0.00 | 16.75 | 26.67 | 25.50 | 38.00 | 35.00 | 12.00 | 12.00 | 0.00 | 18.00 | 20.50 | 27.00 | 22.00 | 25.00 | 27.33 | 26.75 | 32.00 | 29.50 | 35.80 | 43.67 | 31.00 | 30.00 | 7.67 | 0.00 | 0.00 | 12.50 | 29.75 | 34.50 | 36.80 | 21.15 | 100 |
| Wn | 0.00 | 0.00 | 0.00 | 3.50 | 10.17 | 6.50 | 13.00 | 13.00 | 12.00 | 12.00 | 0.00 | 18.00 | 13.17 | 4.00 | 0.00 | 0.00 | 3.67 | 0.00 | 0.00 | 0.00 | 2.20 | 9.33 | 9.60 | 7.40 | 3.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 4.55 | 21.53 |
| Ws | 0.00 | 0.00 | 0.00 | 13.25 | 16.50 | 19.00 | 25.00 | 22.00 | 0.00 | 0.00 | 0.00 | 0.00 | 7.33 | 23.00 | 22.00 | 25.00 | 23.67 | 26.75 | 32.00 | 29.50 | 33.60 | 34.33 | 21.40 | 22.60 | 4.00 | 0.00 | 0.00 | 12.50 | 29.75 | 34.50 | 36.80 | 16.60 | 78.47 |
| n | 0.00 | 0.00 | 0.00 | 1.25 | 2.17 | 2.00 | 3.00 | 3.00 | 1.00 | 1.00 | 0.00 | 1.00 | 1.67 | 2.33 | 2.00 | 2.25 | 2.33 | 1.75 | 1.50 | 1.00 | 1.20 | 2.00 | 2.00 | 2.20 | 0.67 | 0.00 | 0.00 | 1.00 | 2.00 | 2.00 | 2.00 | 1.43 | 100 |
| A | 0.00 | 0.00 | 0.00 | 0.75 | 1.33 | 2.00 | 3.00 | 3.00 | 1.00 | 1.00 | 0.00 | 0.00 | 0.83 | 1.00 | 2.00 | 2.00 | 1.00 | 0.25 | 0.50 | 0.00 | 0.20 | 0.33 | 0.40 | 0.40 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.69 | 48.14 |
| B | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.67 | 0.00 | 0.25 | 0.33 | 0.25 | 0.50 | 0.00 | 0.00 | 0.33 | 0.40 | 0.60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.13 | 9.40 |
| C | 0.00 | 0.00 | 0.00 | 0.25 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.75 | 0.00 | 0.00 | 0.00 | 0.33 | 0.60 | 0.80 | 0.33 | 0.00 | 0.00 | 0.50 | 0.50 | 0.00 | 0.20 | 0.18 | 12.64 |
| D | 0.00 | 0.00 | 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 | 0.00 | 0.00 | 0.00 | 0.50 | 1.00 | 0.80 | 0.67 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 1.00 | 0.40 | 0.18 | 12.45 |
| 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 | 0.20 | 0.33 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.03 | 2.11 |
| 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 | 0.20 | 0.01 | 0.45 |
| H | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.20 | 0.02 | 1.58 |
| I | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.67 | 0.00 | 0.00 | 1.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.20 | 0.00 | 0.00 | 0.00 | 0.50 | 1.00 | 0.50 | 0.80 | 0.19 | 13.24 |
| x | 0.00 | 0.00 | 0.00 | 0.75 | 1.83 | 2.00 | 3.00 | 3.00 | 1.00 | 1.00 | 0.00 | 0.33 | 0.83 | 1.67 | 2.00 | 2.25 | 1.33 | 0.50 | 1.00 | 0.00 | 0.20 | 0.67 | 0.80 | 1.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.82 | 57.54 |
| r | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.50 | 0.33 | 0.00 | 0.00 | 0.67 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.20 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 8.42 |
| s | 0.00 | 0.00 | 0.00 | 0.50 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.33 | 0.00 | 0.00 | 0.33 | 0.25 | 0.00 | 0.00 | 0.00 | 0.33 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.75 | 1.00 | 1.00 | 0.22 | 15.19 |
| a | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 1.00 | 1.00 | 1.00 | 0.60 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.25 | 0.00 | 0.40 | 0.22 | 15.23 |
| h | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.40 | 0.03 | 2.03 |
| 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 | 0.50 | 0.20 | 0.02 | 1.58 |
| x | 0.00 | 0.00 | 0.00 | 0.75 | 1.33 | 2.00 | 3.00 | 3.00 | 1.00 | 1.00 | 0.00 | 0.00 | 1.33 | 1.67 | 2.00 | 2.00 | 2.00 | 0.75 | 0.50 | 0.00 | 0.20 | 0.33 | 0.60 | 0.60 | 0.33 | 0.00 | 0.00 | 0.50 | 1.00 | 1.00 | 1.00 | 0.90 | 62.96 |
| o | 0.00 | 0.00 | 0.00 | 0.50 | 0.83 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.33 | 0.67 | 0.00 | 0.25 | 0.33 | 0.75 | 0.00 | 0.00 | 0.20 | 0.67 | 0.60 | 1.20 | 0.33 | 0.00 | 0.00 | 0.50 | 0.75 | 0.50 | 0.20 | 0.31 | 21.70 |
| i | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 1.00 | 0.75 | 0.60 | 0.67 | 0.80 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.50 | 0.80 | 0.19 | 13.58 |
| 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 | 0.25 | 0.20 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 1.77 |
| CV | 0.00 | 0.00 | 0.00 | 9.75 | 5.00 | 2.00 | 3.00 | 3.00 | 1.00 | 1.00 | 0.00 | 6.00 | 6.50 | 7.00 | 2.00 | 2.50 | 7.67 | 8.25 | 13.00 | 24.25 | 23.60 | 30.00 | 17.80 | 13.60 | 2.00 | 0.00 | 0.00 | 10.50 | 24.50 | 60.50 | 47.20 | 10.70 | 100 |
| CVn | 0.00 | 0.00 | 0.00 | 6.25 | 3.50 | 0.50 | 1.00 | 1.00 | 1.00 | 1.00 | 0.00 | 6.00 | 3.83 | 0.67 | 0.00 | 0.00 | 1.33 | 0.00 | 0.00 | 0.00 | 0.20 | 4.33 | 3.60 | 2.20 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.19 | 11.08 |
| CVs | 0.00 | 0.00 | 0.00 | 3.50 | 1.50 | 1.50 | 2.00 | 2.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.67 | 6.33 | 2.00 | 2.50 | 6.33 | 8.25 | 13.00 | 24.25 | 23.40 | 25.67 | 14.20 | 11.40 | 1.67 | 0.00 | 0.00 | 10.50 | 24.50 | 60.50 | 47.20 | 9.51 | 88.92 |
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