Statistics of sunspot activity
May, 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 | 54.80 | 53.17 | 50.25 | 50.33 | 51.00 | 42.20 | 53.75 | 48.33 | 45.83 | 26.83 | 23.67 | 15.83 | 14.50 | 11.50 | 0.00 | 0.00 | 0.00 | 11.00 | 19.00 | 27.83 | 36.20 | 37.50 | 42.50 | 39.00 | 40.75 | 44.75 | 47.75 | 57.25 | 54.75 | 46.50 | 41.75 | 35.11 | 100 |
| Wn | 15.00 | 25.00 | 26.50 | 26.67 | 24.25 | 13.60 | 2.75 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.60 | 5.50 | 12.50 | 14.57 | 14.25 | 18.50 | 22.50 | 20.25 | 11.25 | 11.50 | 11.00 | 9.10 | 25.92 |
| Ws | 39.80 | 28.17 | 23.75 | 23.67 | 26.75 | 28.60 | 51.00 | 48.33 | 45.83 | 26.83 | 23.67 | 15.83 | 14.50 | 11.50 | 0.00 | 0.00 | 0.00 | 11.00 | 19.00 | 27.83 | 29.60 | 32.00 | 30.00 | 24.43 | 26.50 | 26.25 | 25.25 | 37.00 | 43.50 | 35.00 | 30.75 | 26.01 | 74.08 |
| n | 3.60 | 4.00 | 4.00 | 4.00 | 4.25 | 3.40 | 4.25 | 3.67 | 3.17 | 2.00 | 2.00 | 1.33 | 1.25 | 1.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.50 | 2.00 | 2.60 | 2.50 | 2.83 | 2.57 | 3.00 | 3.75 | 3.75 | 3.75 | 4.25 | 4.00 | 3.75 | 2.68 | 100 |
| A | 0.40 | 0.50 | 0.00 | 0.00 | 0.75 | 1.00 | 1.00 | 0.50 | 1.00 | 0.17 | 0.33 | 0.50 | 0.25 | 0.50 | 0.00 | 0.00 | 0.00 | 1.00 | 0.75 | 0.17 | 0.60 | 0.50 | 0.17 | 0.00 | 0.00 | 1.00 | 0.50 | 0.00 | 0.50 | 1.50 | 2.75 | 0.53 | 19.64 |
| B | 0.00 | 0.33 | 0.75 | 0.00 | 0.00 | 0.20 | 0.75 | 0.50 | 0.17 | 0.00 | 0.00 | 0.17 | 0.25 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.83 | 0.40 | 0.50 | 1.33 | 0.29 | 0.00 | 0.25 | 0.50 | 0.75 | 0.25 | 0.25 | 0.25 | 0.31 | 11.38 |
| C | 1.40 | 1.00 | 0.00 | 1.33 | 1.75 | 0.80 | 0.75 | 0.50 | 0.17 | 0.17 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.50 | 1.00 | 1.00 | 0.50 | 0.57 | 0.75 | 1.50 | 1.50 | 2.00 | 1.50 | 0.75 | 0.00 | 0.66 | 24.77 |
| D | 0.80 | 0.83 | 1.00 | 0.67 | 0.50 | 0.60 | 0.50 | 0.83 | 0.67 | 0.17 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.60 | 0.50 | 0.83 | 1.43 | 1.00 | 0.50 | 0.50 | 0.50 | 0.00 | 0.00 | 0.00 | 0.43 | 16.15 |
| E | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.24 |
| 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 | 0.17 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 1.00 |
| H | 0.00 | 0.33 | 0.25 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 1.10 |
| I | 0.80 | 1.00 | 2.00 | 1.67 | 1.25 | 0.80 | 1.25 | 1.33 | 1.00 | 0.83 | 0.83 | 0.33 | 0.75 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.29 | 1.25 | 0.50 | 0.75 | 0.50 | 2.00 | 1.50 | 0.75 | 0.69 | 25.71 |
| x | 0.40 | 0.83 | 0.75 | 0.00 | 0.75 | 1.20 | 1.75 | 1.00 | 1.17 | 0.17 | 0.33 | 0.67 | 0.50 | 1.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.50 | 0.29 | 0.00 | 1.25 | 1.00 | 0.75 | 0.75 | 1.75 | 3.00 | 0.83 | 31.02 |
| r | 0.40 | 0.67 | 0.00 | 0.33 | 0.25 | 0.20 | 0.50 | 0.83 | 0.17 | 0.17 | 0.17 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.17 | 0.60 | 0.00 | 0.33 | 0.29 | 0.25 | 0.75 | 0.75 | 0.00 | 1.00 | 1.25 | 0.00 | 0.31 | 11.61 |
| s | 1.00 | 0.67 | 1.50 | 1.67 | 2.00 | 0.80 | 1.75 | 0.83 | 0.33 | 0.50 | 0.83 | 0.17 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.80 | 1.25 | 0.67 | 1.29 | 1.50 | 1.25 | 1.50 | 1.75 | 2.00 | 1.00 | 0.75 | 0.86 | 32.23 |
| a | 1.40 | 1.33 | 1.00 | 1.00 | 1.25 | 1.20 | 0.25 | 1.00 | 1.50 | 1.17 | 0.67 | 0.17 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.33 | 0.20 | 0.25 | 0.33 | 0.71 | 1.00 | 0.50 | 0.50 | 1.25 | 0.50 | 0.00 | 0.00 | 0.58 | 21.66 |
| h | 0.00 | 0.17 | 0.50 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 2.30 |
| k | 0.40 | 0.33 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 1.18 |
| x | 1.20 | 1.83 | 2.25 | 2.00 | 2.00 | 1.80 | 2.25 | 1.83 | 2.00 | 1.00 | 1.17 | 0.83 | 1.00 | 0.50 | 0.00 | 0.00 | 0.00 | 1.00 | 0.75 | 0.17 | 0.60 | 0.50 | 0.17 | 0.29 | 1.25 | 1.50 | 1.25 | 0.50 | 2.50 | 3.00 | 3.50 | 1.25 | 46.45 |
| o | 1.60 | 2.00 | 1.50 | 1.67 | 2.25 | 1.60 | 1.75 | 1.33 | 0.83 | 0.83 | 0.83 | 0.50 | 0.25 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 1.17 | 1.60 | 1.50 | 1.83 | 1.57 | 1.75 | 2.25 | 2.50 | 3.00 | 1.75 | 1.00 | 0.25 | 1.23 | 45.83 |
| i | 0.60 | 0.17 | 0.25 | 0.33 | 0.00 | 0.00 | 0.25 | 0.50 | 0.33 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.67 | 0.40 | 0.50 | 0.83 | 0.71 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.20 | 7.47 |
| c | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.24 |
| CV | 51.40 | 50.00 | 63.50 | 73.67 | 38.25 | 26.60 | 32.75 | 31.50 | 26.83 | 25.50 | 20.33 | 5.33 | 7.50 | 1.50 | 0.00 | 0.00 | 0.00 | 1.00 | 4.75 | 18.33 | 20.00 | 25.25 | 27.17 | 41.71 | 47.25 | 28.75 | 31.25 | 37.25 | 30.00 | 17.75 | 10.75 | 25.67 | 100 |
| CVn | 11.80 | 18.17 | 28.25 | 28.33 | 16.25 | 6.20 | 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 | 0.60 | 0.50 | 6.17 | 21.29 | 22.50 | 15.25 | 21.25 | 18.50 | 6.25 | 4.25 | 3.25 | 7.39 | 28.78 |
| CVs | 39.60 | 31.83 | 35.25 | 45.33 | 22.00 | 20.40 | 32.50 | 31.50 | 26.83 | 25.50 | 20.33 | 5.33 | 7.50 | 1.50 | 0.00 | 0.00 | 0.00 | 1.00 | 4.75 | 18.33 | 19.40 | 24.75 | 21.00 | 20.43 | 24.75 | 13.50 | 10.00 | 18.75 | 23.75 | 13.50 | 7.50 | 18.28 | 71.22 |
|
