Statistics of sunspot activity
May, 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 | 29 | 30 | 31 | Average | % |
| W | 28.83 | 30.50 | 20.17 | 16.67 | 16.40 | 14.00 | 12.40 | 12.25 | 17.50 | 21.67 | 26.75 | 22.50 | 16.17 | 29.43 | 27.60 | 35.75 | 27.67 | 46.50 | 34.33 | 23.33 | 15.60 | 12.40 | 20.67 | 11.00 | 0.00 | 0.00 | 0.00 | 13.00 | 11.25 | 11.60 | 11.33 | 18.94 | 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 | 13.14 | 13.60 | 29.75 | 23.67 | 34.50 | 27.67 | 23.33 | 15.60 | 12.40 | 9.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.56 | 34.62 |
| Ws | 28.83 | 30.50 | 20.17 | 16.67 | 16.40 | 14.00 | 12.40 | 12.25 | 17.50 | 21.67 | 26.75 | 22.50 | 16.17 | 16.29 | 14.00 | 6.00 | 4.00 | 12.00 | 6.67 | 0.00 | 0.00 | 0.00 | 11.00 | 11.00 | 0.00 | 0.00 | 0.00 | 13.00 | 11.25 | 11.60 | 11.33 | 12.39 | 65.38 |
| n | 1.83 | 2.00 | 1.33 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.25 | 1.00 | 1.00 | 2.00 | 1.80 | 1.50 | 1.33 | 1.50 | 1.50 | 1.00 | 1.00 | 1.00 | 1.83 | 1.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.13 | 100 |
| A | 0.17 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.43 | 0.40 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.50 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.40 | 0.33 | 0.20 | 17.86 |
| B | 0.17 | 0.75 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.25 | 0.17 | 0.14 | 0.20 | 0.25 | 0.33 | 0.25 | 0.33 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.33 | 0.16 | 14.22 |
| C | 1.00 | 0.75 | 0.67 | 0.67 | 0.60 | 0.40 | 0.40 | 0.00 | 0.67 | 0.17 | 0.50 | 0.00 | 0.50 | 0.86 | 0.40 | 0.00 | 0.00 | 0.25 | 0.50 | 0.00 | 0.60 | 0.00 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.29 | 26.06 |
| D | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.25 | 0.33 | 0.83 | 0.75 | 0.75 | 0.33 | 0.43 | 0.80 | 1.00 | 1.00 | 1.00 | 0.67 | 1.00 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.31 | 27.94 |
| 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 | 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 | 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 | 0.00 | 0.00 | 0.00 |
| H | 0.33 | 0.25 | 0.17 | 0.17 | 0.00 | 0.40 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 4.92 |
| I | 0.17 | 0.00 | 0.17 | 0.17 | 0.20 | 0.20 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.80 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.60 | 0.33 | 0.10 | 9.01 |
| x | 0.33 | 1.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.75 | 0.00 | 0.00 | 0.00 | 0.25 | 0.17 | 0.57 | 0.60 | 0.50 | 0.33 | 0.25 | 0.33 | 0.00 | 0.00 | 0.20 | 1.50 | 1.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 0.40 | 0.67 | 0.36 | 32.07 |
| r | 0.17 | 0.00 | 0.17 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.33 | 0.17 | 0.25 | 0.00 | 0.17 | 0.43 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.20 | 0.00 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.33 | 0.10 | 8.68 |
| s | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.17 | 0.33 | 0.25 | 0.00 | 0.17 | 0.43 | 0.60 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 0.20 | 0.20 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.11 | 9.45 |
| a | 0.33 | 0.00 | 0.00 | 0.17 | 0.40 | 0.60 | 0.60 | 0.00 | 0.50 | 0.50 | 0.75 | 0.75 | 0.50 | 0.43 | 0.60 | 0.25 | 0.33 | 0.00 | 0.83 | 1.00 | 0.60 | 0.60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.32 | 28.51 |
| 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 | 0.00 | 0.00 | 0.00 | 0.00 |
| k | 0.83 | 1.00 | 0.83 | 0.83 | 0.40 | 0.40 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 0.75 | 0.67 | 1.00 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.24 | 21.29 |
| x | 0.67 | 0.50 | 0.33 | 0.33 | 0.20 | 0.60 | 0.60 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.57 | 0.40 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.80 | 1.67 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 0.67 | 0.36 | 31.79 |
| o | 1.17 | 1.50 | 1.00 | 0.67 | 0.80 | 0.40 | 0.40 | 0.50 | 0.50 | 0.67 | 0.75 | 1.00 | 0.67 | 0.86 | 1.00 | 0.50 | 0.67 | 0.75 | 0.50 | 0.33 | 0.80 | 0.20 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.33 | 0.55 | 49.09 |
| i | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.33 | 0.25 | 0.00 | 0.33 | 0.57 | 0.20 | 0.00 | 0.00 | 0.25 | 0.50 | 0.33 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 9.95 |
| c | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.20 | 0.75 | 0.67 | 0.50 | 0.50 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 9.17 |
| CV | 37.00 | 39.50 | 32.83 | 32.67 | 21.40 | 19.40 | 19.40 | 7.25 | 11.50 | 19.67 | 21.50 | 14.75 | 11.50 | 22.00 | 24.80 | 46.75 | 43.67 | 51.50 | 29.17 | 24.00 | 13.20 | 6.60 | 4.00 | 1.00 | 0.00 | 0.00 | 0.00 | 2.00 | 1.00 | 4.60 | 2.33 | 18.23 | 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 | 5.29 | 12.80 | 46.00 | 43.00 | 49.75 | 27.17 | 24.00 | 13.20 | 6.60 | 2.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 7.43 | 40.76 |
| CVs | 37.00 | 39.50 | 32.83 | 32.67 | 21.40 | 19.40 | 19.40 | 7.25 | 11.50 | 19.67 | 21.50 | 14.75 | 11.50 | 16.71 | 12.00 | 0.75 | 0.67 | 1.75 | 2.00 | 0.00 | 0.00 | 0.00 | 1.50 | 1.00 | 0.00 | 0.00 | 0.00 | 2.00 | 1.00 | 4.60 | 2.33 | 10.80 | 59.24 |
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