Statistics of sunspot activity
September, 2012
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 | 117.67 | 110.00 | 142.33 | 129.67 | 102.33 | 112.33 | 93.67 | 70.50 | 70.50 | 61.67 | 73.50 | 66.33 | 44.00 | 45.00 | 50.33 | 58.67 | 42.33 | 49.33 | 57.33 | 66.33 | 85.67 | 51.67 | 68.00 | 71.33 | 119.33 | 119.67 | 82.67 | 75.00 | 72.33 | 74.50 | 79.47 | 100.00 | |
| Wn | 39.00 | 31.00 | 64.67 | 60.67 | 40.00 | 51.67 | 33.67 | 25.00 | 27.50 | 19.33 | 27.50 | 12.00 | 11.00 | 12.33 | 18.67 | 22.67 | 7.33 | 7.67 | 14.67 | 15.67 | 36.67 | 39.33 | 45.00 | 51.67 | 88.00 | 76.67 | 52.67 | 40.00 | 42.33 | 38.50 | 35.09 | 44.16 | |
| Ws | 78.67 | 79.00 | 77.67 | 69.00 | 62.33 | 60.67 | 60.00 | 45.50 | 43.00 | 42.33 | 46.00 | 54.33 | 33.00 | 32.67 | 31.67 | 36.00 | 35.00 | 41.67 | 42.67 | 50.67 | 49.00 | 12.33 | 23.00 | 19.67 | 31.33 | 43.00 | 30.00 | 35.00 | 30.00 | 36.00 | 44.37 | 55.84 | |
| n | 6.67 | 6.00 | 7.67 | 6.67 | 5.33 | 5.33 | 4.67 | 4.00 | 4.50 | 5.00 | 5.00 | 5.00 | 3.00 | 3.00 | 3.67 | 4.33 | 3.33 | 4.00 | 4.67 | 5.00 | 6.67 | 3.67 | 4.00 | 4.67 | 7.67 | 9.00 | 7.00 | 6.00 | 5.33 | 6.00 | 5.23 | 100.00 | |
| A | 0.00 | 0.00 | 1.00 | 0.33 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.33 | 0.00 | 1.00 | 0.00 | 0.00 | 0.67 | 2.33 | 0.67 | 0.67 | 0.67 | 0.00 | 2.33 | 1.33 | 0.67 | 1.00 | 2.00 | 1.33 | 1.33 | 2.00 | 0.00 | 0.00 | 0.69 | 13.18 | |
| B | 1.00 | 1.00 | 1.33 | 0.33 | 0.33 | 0.33 | 0.67 | 0.00 | 0.00 | 1.33 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 1.33 | 0.67 | 0.00 | 0.00 | 0.33 | 1.33 | 1.67 | 1.00 | 1.00 | 0.33 | 2.00 | 0.57 | 10.84 | |
| C | 0.33 | 1.67 | 0.00 | 1.33 | 1.00 | 0.67 | 1.00 | 0.00 | 1.00 | 0.00 | 0.50 | 1.33 | 1.00 | 1.00 | 1.33 | 1.33 | 0.67 | 1.00 | 0.67 | 0.67 | 1.00 | 0.33 | 0.33 | 0.67 | 2.00 | 2.33 | 1.67 | 2.00 | 1.00 | 1.00 | 0.96 | 18.38 | |
| D | 5.00 | 2.67 | 2.33 | 2.00 | 1.33 | 1.67 | 1.00 | 1.50 | 1.00 | 1.67 | 4.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.33 | 1.00 | 1.00 | 0.00 | 1.00 | 0.67 | 1.33 | 1.67 | 1.33 | 1.33 | 2.00 | 0.00 | 0.00 | 2.00 | 0.50 | 1.29 | 24.65 | |
| E | 0.00 | 0.33 | 1.67 | 1.67 | 1.33 | 1.00 | 0.67 | 1.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.32 | 6.16 | |
| F | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.21 | |
| G | 0.00 | 0.33 | 0.33 | 0.33 | 0.00 | 0.67 | 0.00 | 0.50 | 0.50 | 0.00 | 0.00 | 1.00 | 0.50 | 1.00 | 0.67 | 0.33 | 0.00 | 0.00 | 0.33 | 0.67 | 1.00 | 0.67 | 0.67 | 0.67 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.35 | 6.70 | |
| H | 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 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.67 | 1.00 | 1.00 | 1.50 | 0.21 | 3.93 | |
| I | 0.33 | 0.00 | 1.00 | 0.33 | 1.33 | 0.67 | 0.33 | 1.00 | 1.50 | 1.67 | 0.50 | 1.00 | 1.00 | 0.67 | 1.00 | 0.00 | 1.00 | 1.33 | 2.00 | 1.33 | 1.00 | 0.00 | 0.33 | 0.33 | 0.33 | 0.67 | 2.33 | 0.00 | 1.00 | 1.00 | 0.83 | 15.94 | |
| x | 1.00 | 1.00 | 2.33 | 0.67 | 0.33 | 0.33 | 1.67 | 0.00 | 0.00 | 1.67 | 0.00 | 1.33 | 0.00 | 0.00 | 0.67 | 2.33 | 0.67 | 0.67 | 1.33 | 1.33 | 3.00 | 1.33 | 0.67 | 1.33 | 3.33 | 3.00 | 2.33 | 3.00 | 0.33 | 2.00 | 1.26 | 24.02 | |
| r | 0.33 | 0.00 | 1.33 | 0.00 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 1.00 | 0.33 | 0.67 | 0.33 | 0.67 | 1.00 | 0.33 | 0.00 | 0.67 | 0.00 | 0.29 | 5.53 | |
| s | 1.67 | 2.33 | 2.00 | 3.67 | 3.00 | 2.67 | 2.00 | 1.50 | 2.50 | 2.00 | 3.00 | 2.67 | 2.50 | 2.00 | 2.00 | 1.67 | 2.00 | 2.67 | 2.33 | 2.00 | 1.67 | 0.67 | 1.33 | 1.33 | 1.67 | 2.67 | 1.67 | 1.00 | 1.67 | 2.00 | 2.06 | 39.43 | |
| a | 3.67 | 2.33 | 1.00 | 1.00 | 2.00 | 1.67 | 1.00 | 2.50 | 2.00 | 1.00 | 2.00 | 0.67 | 0.50 | 0.33 | 0.33 | 0.33 | 0.00 | 0.67 | 0.67 | 1.33 | 0.33 | 0.67 | 0.33 | 1.00 | 1.33 | 0.67 | 2.00 | 0.00 | 1.00 | 0.50 | 1.09 | 20.94 | |
| h | 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 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.33 | 0.33 | 1.00 | 0.33 | 2.00 | 1.00 | 1.00 | 0.24 | 4.68 | |
| k | 0.00 | 0.33 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.67 | 0.67 | 0.33 | 0.33 | 0.33 | 0.67 | 0.33 | 0.00 | 0.67 | 0.50 | 0.28 | 5.42 | |
| x | 0.33 | 0.00 | 2.00 | 1.00 | 1.33 | 0.67 | 1.33 | 1.00 | 1.50 | 2.00 | 0.50 | 2.00 | 1.00 | 1.00 | 1.67 | 2.33 | 1.67 | 2.00 | 3.00 | 1.33 | 3.33 | 1.33 | 1.00 | 1.33 | 2.33 | 3.00 | 4.33 | 3.00 | 2.00 | 2.50 | 1.73 | 33.05 | |
| o | 5.33 | 5.33 | 3.67 | 3.67 | 2.33 | 3.33 | 2.33 | 2.00 | 2.50 | 3.00 | 4.50 | 3.00 | 1.50 | 2.00 | 2.00 | 2.00 | 1.67 | 2.00 | 1.67 | 3.67 | 3.33 | 2.33 | 2.33 | 3.00 | 4.67 | 6.00 | 2.33 | 3.00 | 3.33 | 3.50 | 3.04 | 58.24 | |
| i | 1.00 | 0.67 | 1.00 | 1.67 | 1.67 | 1.33 | 1.00 | 1.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.33 | 0.67 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.39 | 7.55 | |
| c | 0.00 | 0.00 | 1.00 | 0.33 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 1.17 | |
| CV | 114.00 | 101.33 | 139.00 | 159.33 | 89.33 | 97.67 | 57.33 | 74.50 | 71.00 | 52.33 | 98.50 | 63.67 | 50.00 | 60.00 | 36.67 | 33.00 | 49.00 | 48.00 | 47.67 | 65.67 | 71.33 | 60.67 | 89.33 | 80.67 | 88.67 | 134.00 | 63.00 | 96.00 | 115.67 | 94.50 | 80.06 | 100.00 | |
| CVn | 28.67 | 31.33 | 68.00 | 107.67 | 41.67 | 47.33 | 12.00 | 32.00 | 25.00 | 16.33 | 35.50 | 10.33 | 10.00 | 10.33 | 7.00 | 2.00 | 0.67 | 8.67 | 22.00 | 27.67 | 37.67 | 39.67 | 69.00 | 59.67 | 62.00 | 70.67 | 26.00 | 14.00 | 43.33 | 29.00 | 33.17 | 41.43 | |
| CVs | 85.33 | 70.00 | 71.00 | 51.67 | 47.67 | 50.33 | 45.33 | 42.50 | 46.00 | 36.00 | 63.00 | 53.33 | 40.00 | 49.67 | 29.67 | 31.00 | 48.33 | 39.33 | 25.67 | 38.00 | 33.67 | 21.00 | 20.33 | 21.00 | 26.67 | 63.33 | 37.00 | 82.00 | 72.33 | 65.50 | 46.89 | 58.57 | |
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