Statistics of sunspot activity
September, 2013
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 | Average | % |
| W | 84.33 | 90.33 | 74.67 | 71.00 | 59.67 | 47.00 | 39.00 | 27.33 | 21.33 | 22.50 | 45.50 | 41.50 | 38.50 | 23.33 | 15.67 | 22.67 | 63.33 | 63.67 | 58.67 | 78.00 | 78.67 | 66.33 | 67.67 | 60.67 | 82.00 | 73.00 | 58.00 | 47.33 | 38.00 | 48.50 | 53.61 | 100 |
| Wn | 50.00 | 53.00 | 38.33 | 32.33 | 26.67 | 21.67 | 12.00 | 7.33 | 0.00 | 5.50 | 5.50 | 12.50 | 5.50 | 0.00 | 0.00 | 0.00 | 20.33 | 23.00 | 24.33 | 45.00 | 49.67 | 39.00 | 31.00 | 37.67 | 48.50 | 58.00 | 38.67 | 36.33 | 27.00 | 30.50 | 25.98 | 48.46 |
| Ws | 34.33 | 37.33 | 36.33 | 38.67 | 33.00 | 25.33 | 27.00 | 20.00 | 21.33 | 17.00 | 40.00 | 29.00 | 33.00 | 23.33 | 15.67 | 22.67 | 43.00 | 40.67 | 34.33 | 33.00 | 29.00 | 27.33 | 36.67 | 23.00 | 33.50 | 15.00 | 19.33 | 11.00 | 11.00 | 18.00 | 27.63 | 51.54 |
| n | 4.00 | 4.33 | 4.00 | 4.00 | 4.00 | 3.67 | 3.33 | 2.33 | 1.67 | 2.00 | 3.50 | 3.50 | 3.00 | 2.00 | 1.33 | 2.00 | 5.33 | 5.33 | 4.67 | 5.67 | 5.33 | 4.67 | 5.33 | 4.33 | 6.00 | 5.33 | 4.33 | 3.67 | 3.00 | 3.50 | 3.84 | 100 |
| A | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 1.00 | 0.67 | 1.00 | 1.33 | 1.50 | 0.00 | 1.50 | 1.00 | 1.00 | 0.33 | 0.67 | 3.00 | 1.67 | 1.67 | 1.33 | 1.00 | 0.33 | 1.67 | 1.33 | 3.50 | 3.33 | 1.67 | 0.33 | 0.00 | 0.50 | 1.07 | 27.79 |
| B | 1.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 1.33 | 0.33 | 0.33 | 0.33 | 0.33 | 1.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.00 | 0.50 | 0.24 | 6.37 |
| C | 0.67 | 1.33 | 0.67 | 1.33 | 1.00 | 0.67 | 1.33 | 0.00 | 0.00 | 0.00 | 1.50 | 1.00 | 2.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.33 | 1.00 | 2.00 | 1.67 | 1.33 | 1.00 | 1.33 | 0.00 | 0.00 | 0.33 | 0.67 | 1.00 | 1.50 | 0.80 | 20.84 |
| D | 0.67 | 1.67 | 2.00 | 2.00 | 1.00 | 1.33 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.67 | 1.33 | 1.33 | 0.67 | 1.00 | 0.33 | 0.50 | 1.00 | 1.00 | 1.33 | 0.67 | 0.00 | 0.67 | 17.51 |
| 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 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.43 |
| 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 |
| G | 1.33 | 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 | 0.67 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 2.75 |
| H | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.33 | 0.00 | 0.06 | 1.45 |
| I | 0.00 | 0.33 | 1.33 | 0.67 | 1.33 | 0.67 | 1.33 | 1.33 | 0.33 | 0.50 | 1.00 | 0.50 | 0.00 | 0.67 | 1.00 | 1.33 | 1.00 | 2.00 | 1.00 | 0.67 | 1.00 | 0.67 | 1.33 | 0.67 | 1.00 | 1.00 | 0.67 | 1.00 | 1.00 | 1.00 | 0.88 | 22.87 |
| x | 1.33 | 0.33 | 0.00 | 0.00 | 0.67 | 1.00 | 0.67 | 1.00 | 1.33 | 1.50 | 0.00 | 2.00 | 1.00 | 1.00 | 0.33 | 0.67 | 4.33 | 2.00 | 2.00 | 1.67 | 1.33 | 1.67 | 1.67 | 1.33 | 3.50 | 3.33 | 2.00 | 0.67 | 0.00 | 1.00 | 1.31 | 34.15 |
| r | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.50 | 2.50 | 0.50 | 0.50 | 0.00 | 0.00 | 0.67 | 0.00 | 0.67 | 0.33 | 0.33 | 0.33 | 0.67 | 0.67 | 0.67 | 0.00 | 0.00 | 0.33 | 1.00 | 0.33 | 0.50 | 0.38 | 9.99 |
| s | 2.33 | 2.33 | 3.00 | 3.33 | 2.67 | 0.67 | 2.00 | 1.00 | 0.33 | 0.00 | 1.00 | 0.50 | 1.00 | 1.00 | 0.33 | 0.67 | 0.67 | 2.00 | 2.00 | 2.33 | 1.67 | 1.33 | 2.00 | 1.67 | 1.50 | 1.00 | 0.67 | 1.67 | 2.00 | 1.50 | 1.47 | 38.35 |
| a | 0.00 | 1.33 | 1.00 | 0.67 | 0.67 | 1.67 | 0.67 | 0.33 | 0.00 | 0.00 | 0.00 | 0.50 | 0.50 | 0.00 | 0.67 | 0.00 | 0.33 | 0.33 | 0.00 | 1.00 | 2.00 | 0.67 | 0.67 | 0.33 | 1.00 | 1.00 | 1.00 | 0.33 | 0.33 | 0.50 | 0.58 | 15.20 |
| 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 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.06 | 1.45 |
| 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 | 0.33 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.03 | 0.87 |
| x | 0.33 | 0.67 | 1.33 | 0.67 | 1.33 | 1.67 | 2.00 | 2.33 | 1.67 | 2.00 | 1.00 | 2.00 | 1.00 | 1.67 | 1.33 | 2.00 | 4.00 | 4.00 | 2.67 | 2.00 | 2.00 | 1.33 | 3.33 | 2.00 | 4.50 | 4.33 | 2.67 | 1.33 | 1.33 | 1.50 | 2.00 | 52.10 |
| o | 2.33 | 2.67 | 1.33 | 2.67 | 2.33 | 1.67 | 1.33 | 0.00 | 0.00 | 0.00 | 2.50 | 1.50 | 2.00 | 0.33 | 0.00 | 0.00 | 1.33 | 1.33 | 2.00 | 3.67 | 3.33 | 3.33 | 2.00 | 2.33 | 1.00 | 0.67 | 1.33 | 2.33 | 1.67 | 2.00 | 1.63 | 42.55 |
| i | 1.00 | 1.00 | 1.00 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.14 | 3.62 |
| c | 0.33 | 0.00 | 0.33 | 0.33 | 0.33 | 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 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 1.74 |
| CV | 62.00 | 69.67 | 73.67 | 71.33 | 50.67 | 41.33 | 26.67 | 13.33 | 4.67 | 3.50 | 33.50 | 14.00 | 18.50 | 11.33 | 8.33 | 10.00 | 14.67 | 50.00 | 48.00 | 64.00 | 53.33 | 47.33 | 57.33 | 51.33 | 47.50 | 37.33 | 43.00 | 42.67 | 48.00 | 23.50 | 38.02 | 100 |
| CVn | 36.33 | 40.67 | 30.67 | 30.67 | 14.67 | 13.33 | 10.67 | 5.67 | 0.00 | 0.50 | 2.00 | 3.50 | 0.50 | 0.00 | 0.00 | 0.00 | 2.33 | 19.00 | 21.33 | 37.67 | 42.00 | 26.00 | 34.00 | 31.00 | 35.50 | 28.00 | 22.00 | 33.67 | 28.00 | 18.50 | 18.94 | 49.82 |
| CVs | 25.67 | 29.00 | 43.00 | 40.67 | 36.00 | 28.00 | 16.00 | 7.67 | 4.67 | 3.00 | 31.50 | 10.50 | 18.00 | 11.33 | 8.33 | 10.00 | 12.33 | 31.00 | 26.67 | 26.33 | 11.33 | 21.33 | 23.33 | 20.33 | 12.00 | 9.33 | 21.00 | 9.00 | 20.00 | 5.00 | 19.08 | 50.18 |
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