Statistics of sunspot activity
March, 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 | 26.20 | 38.00 | 38.25 | 40.00 | 30.00 | 0.00 | 11.00 | 13.00 | 0.00 | 27.00 | 29.50 | 32.50 | 28.25 | 29.50 | 34.67 | 18.57 | 22.60 | 28.25 | 18.60 | 18.60 | 26.33 | 17.00 | 15.40 | 19.50 | 17.50 | 17.80 | 24.00 | 30.83 | 30.40 | 31.20 | 25.20 | 23.86 | 100 |
| Wn | 11.60 | 11.00 | 11.25 | 11.00 | 8.80 | 0.00 | 11.00 | 13.00 | 0.00 | 12.00 | 15.83 | 22.25 | 28.25 | 29.50 | 34.67 | 18.57 | 22.60 | 28.25 | 18.60 | 18.60 | 24.50 | 17.00 | 15.40 | 16.75 | 17.50 | 17.80 | 19.60 | 19.83 | 19.40 | 19.20 | 13.80 | 17.02 | 71.32 |
| Ws | 14.60 | 27.00 | 27.00 | 29.00 | 21.20 | 0.00 | 0.00 | 0.00 | 0.00 | 15.00 | 13.67 | 10.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.83 | 0.00 | 0.00 | 2.75 | 0.00 | 0.00 | 4.40 | 11.00 | 11.00 | 12.00 | 11.40 | 6.84 | 28.68 |
| n | 2.20 | 3.00 | 3.00 | 3.00 | 2.60 | 0.00 | 1.00 | 1.00 | 0.00 | 2.00 | 2.00 | 1.75 | 1.00 | 1.00 | 1.33 | 1.14 | 1.60 | 2.00 | 1.60 | 1.40 | 1.17 | 1.00 | 1.20 | 1.50 | 1.33 | 1.20 | 1.40 | 2.00 | 2.00 | 2.00 | 2.00 | 1.59 | 100 |
| A | 0.80 | 0.60 | 0.75 | 0.75 | 1.80 | 0.00 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.43 | 0.40 | 0.00 | 0.80 | 0.40 | 0.17 | 0.00 | 0.00 | 0.25 | 0.17 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.32 | 19.92 |
| B | 0.60 | 0.60 | 1.25 | 1.75 | 0.80 | 0.00 | 0.00 | 0.00 | 0.00 | 2.00 | 0.33 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 1.00 | 0.40 | 0.60 | 0.00 | 0.50 | 0.80 | 0.25 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.37 | 23.27 |
| C | 0.40 | 1.20 | 0.50 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.17 | 0.50 | 0.00 | 0.00 | 0.00 | 0.14 | 0.60 | 0.75 | 0.00 | 0.40 | 0.17 | 0.50 | 0.40 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.20 | 0.40 | 0.25 | 15.73 |
| D | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 1.00 | 0.50 | 0.00 | 0.00 | 0.57 | 0.40 | 0.25 | 0.00 | 0.00 | 0.83 | 0.00 | 0.00 | 0.75 | 0.83 | 0.80 | 0.60 | 0.83 | 1.00 | 0.80 | 0.60 | 0.33 | 20.78 |
| 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 | 0.50 | 1.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.17 | 0.00 | 0.00 | 0.00 | 0.08 | 5.13 |
| 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 | 0.33 | 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 | 0.01 | 0.67 |
| 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 | 0.25 | 0.17 | 0.20 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.03 | 1.65 |
| I | 0.40 | 0.60 | 0.50 | 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 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 1.00 | 0.80 | 1.00 | 1.00 | 0.20 | 12.85 |
| x | 1.40 | 1.20 | 2.00 | 2.50 | 2.60 | 0.00 | 1.00 | 1.00 | 0.00 | 2.00 | 0.33 | 0.25 | 0.00 | 0.00 | 0.33 | 0.43 | 0.60 | 1.00 | 1.20 | 1.00 | 0.17 | 0.50 | 0.80 | 0.50 | 0.33 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.69 | 43.19 |
| r | 0.20 | 0.40 | 0.75 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.25 | 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 | 0.08 | 5.33 |
| s | 0.20 | 1.20 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.50 | 0.50 | 0.50 | 0.00 | 0.29 | 0.20 | 1.00 | 0.40 | 0.20 | 0.50 | 0.50 | 0.00 | 0.00 | 0.17 | 0.20 | 0.40 | 0.50 | 0.40 | 0.60 | 0.60 | 0.30 | 19.09 |
| a | 0.40 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.50 | 0.00 | 0.00 | 0.67 | 0.29 | 0.40 | 0.00 | 0.00 | 0.20 | 0.50 | 0.00 | 0.40 | 0.75 | 0.33 | 0.20 | 0.20 | 0.83 | 0.60 | 1.00 | 0.80 | 0.30 | 18.75 |
| h | 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 | 0.25 | 0.33 | 0.14 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.20 | 0.20 | 0.00 | 0.20 | 0.00 | 0.00 | 0.08 | 4.77 |
| 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 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.17 | 0.40 | 0.60 | 0.67 | 0.80 | 0.40 | 0.60 | 0.14 | 8.87 |
| x | 1.20 | 1.20 | 1.25 | 1.00 | 1.80 | 0.00 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.43 | 0.40 | 0.00 | 1.20 | 0.40 | 0.17 | 0.00 | 0.00 | 0.50 | 0.33 | 0.40 | 0.40 | 1.00 | 1.00 | 1.00 | 1.00 | 0.55 | 34.42 |
| o | 1.00 | 1.80 | 1.50 | 2.00 | 0.80 | 0.00 | 0.00 | 0.00 | 0.00 | 2.00 | 1.67 | 1.00 | 0.00 | 0.00 | 0.33 | 0.14 | 1.00 | 2.00 | 0.40 | 1.00 | 0.17 | 0.75 | 1.20 | 0.75 | 0.83 | 0.60 | 0.20 | 0.00 | 0.00 | 0.20 | 0.60 | 0.71 | 44.40 |
| i | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.50 | 0.50 | 1.00 | 0.67 | 0.43 | 0.20 | 0.00 | 0.00 | 0.00 | 0.83 | 0.25 | 0.00 | 0.00 | 0.00 | 0.20 | 0.60 | 0.67 | 1.00 | 0.60 | 0.40 | 0.27 | 17.05 |
| c | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.50 | 0.00 | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.17 | 0.00 | 0.20 | 0.33 | 0.00 | 0.20 | 0.00 | 0.07 | 4.13 |
| CV | 8.00 | 18.00 | 9.50 | 6.50 | 3.40 | 0.00 | 1.00 | 1.00 | 0.00 | 4.00 | 20.67 | 36.25 | 42.75 | 39.50 | 32.33 | 21.14 | 20.60 | 16.50 | 5.60 | 5.40 | 22.00 | 6.75 | 4.80 | 27.25 | 35.00 | 35.40 | 47.00 | 50.17 | 56.00 | 39.00 | 40.80 | 21.17 | 100 |
| CVn | 5.40 | 5.80 | 4.00 | 1.75 | 0.80 | 0.00 | 1.00 | 1.00 | 0.00 | 2.00 | 13.67 | 31.75 | 42.75 | 39.50 | 32.33 | 21.14 | 20.60 | 16.50 | 5.60 | 5.40 | 21.83 | 6.75 | 4.80 | 27.00 | 35.00 | 35.40 | 43.60 | 42.17 | 41.20 | 30.80 | 33.20 | 18.48 | 87.27 |
| CVs | 2.60 | 12.20 | 5.50 | 4.75 | 2.60 | 0.00 | 0.00 | 0.00 | 0.00 | 2.00 | 7.00 | 4.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 3.40 | 8.00 | 14.80 | 8.20 | 7.60 | 2.70 | 12.73 |
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