Statistics of sunspot activity
January, 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 | 31 | Average | % |
| W | 45.67 | 79.00 | 97.50 | 100.00 | 88.67 | 102.50 | 89.33 | 91.00 | 79.33 | 66.33 | 56.67 | 43.33 | 65.33 | 111.67 | 113.67 | 126.00 | 169.50 | 121.67 | 103.00 | 86.00 | 102.67 | 104.00 | 97.67 | 71.00 | 45.50 | 39.00 | 43.33 | 34.50 | 53.00 | 80.00 | 87.50 | 83.69 | 100.00 |
| Wn | 0.00 | 20.67 | 44.00 | 54.33 | 62.67 | 78.00 | 66.33 | 69.00 | 68.33 | 66.33 | 56.67 | 43.33 | 52.67 | 73.67 | 77.33 | 103.00 | 115.50 | 83.67 | 82.00 | 86.00 | 102.67 | 100.33 | 94.00 | 65.50 | 45.50 | 39.00 | 39.00 | 23.50 | 28.33 | 49.00 | 54.50 | 62.74 | 74.96 |
| Ws | 45.67 | 58.33 | 53.50 | 45.67 | 26.00 | 24.50 | 23.00 | 22.00 | 11.00 | 0.00 | 0.00 | 0.00 | 12.67 | 38.00 | 36.33 | 23.00 | 54.00 | 38.00 | 21.00 | 0.00 | 0.00 | 3.67 | 3.67 | 5.50 | 0.00 | 0.00 | 4.33 | 11.00 | 24.67 | 31.00 | 33.00 | 20.95 | 25.04 |
| n | 2.67 | 4.67 | 6.00 | 6.00 | 6.00 | 6.00 | 5.67 | 6.00 | 4.33 | 3.00 | 3.00 | 3.00 | 4.67 | 7.33 | 8.33 | 9.00 | 10.50 | 8.00 | 5.67 | 4.50 | 6.00 | 5.67 | 5.33 | 5.00 | 3.50 | 2.67 | 3.33 | 3.00 | 3.67 | 5.00 | 5.00 | 5.24 | 100.00 |
| A | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.50 | 0.67 | 0.00 | 0.00 | 0.33 | 0.33 | 0.67 | 1.33 | 2.00 | 3.50 | 1.67 | 1.00 | 0.50 | 1.00 | 1.33 | 0.33 | 1.00 | 0.50 | 0.33 | 0.67 | 1.00 | 0.00 | 0.50 | 0.50 | 0.66 | 12.62 |
| B | 0.00 | 0.67 | 1.00 | 1.00 | 1.33 | 0.50 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 1.33 | 1.33 | 0.50 | 2.50 | 0.67 | 1.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.50 | 0.50 | 0.00 | 0.00 | 0.00 | 2.33 | 1.50 | 0.50 | 0.61 | 11.59 |
| C | 0.00 | 0.33 | 1.50 | 2.00 | 1.00 | 2.00 | 1.00 | 1.00 | 0.00 | 0.67 | 0.33 | 1.00 | 1.67 | 1.67 | 1.33 | 2.00 | 1.00 | 2.00 | 1.00 | 0.50 | 1.00 | 1.33 | 2.00 | 1.50 | 0.50 | 0.67 | 1.67 | 0.00 | 0.67 | 0.50 | 2.00 | 1.09 | 20.82 |
| D | 0.33 | 0.67 | 1.00 | 0.67 | 1.33 | 1.50 | 2.67 | 1.50 | 1.33 | 0.33 | 0.33 | 0.33 | 1.67 | 2.00 | 1.67 | 3.50 | 1.00 | 0.67 | 0.67 | 2.00 | 2.00 | 0.67 | 0.67 | 1.00 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.50 | 1.06 | 20.31 |
| E | 0.67 | 0.33 | 0.50 | 0.33 | 0.00 | 0.00 | 0.00 | 0.50 | 0.67 | 1.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 0.67 | 0.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.26 | 4.92 |
| F | 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 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.41 |
| G | 0.33 | 0.33 | 0.50 | 0.33 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.33 | 0.33 | 1.00 | 0.67 | 0.67 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.26 | 4.92 |
| H | 0.00 | 0.00 | 0.50 | 0.00 | 0.33 | 0.50 | 1.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.67 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.67 | 0.50 | 0.00 | 0.33 | 0.00 | 1.00 | 0.67 | 0.00 | 0.00 | 0.24 | 4.62 |
| I | 1.33 | 1.67 | 1.00 | 1.67 | 1.33 | 1.00 | 0.67 | 2.50 | 1.67 | 0.00 | 1.00 | 1.00 | 0.67 | 1.00 | 2.00 | 1.00 | 1.00 | 1.67 | 0.67 | 0.50 | 1.00 | 0.67 | 0.33 | 0.50 | 1.00 | 0.33 | 1.00 | 1.00 | 0.00 | 1.50 | 1.50 | 1.04 | 19.79 |
| x | 0.00 | 1.00 | 1.00 | 1.00 | 1.33 | 1.00 | 0.33 | 0.50 | 0.67 | 0.00 | 0.00 | 0.67 | 0.67 | 2.00 | 2.67 | 2.50 | 6.00 | 2.33 | 2.00 | 0.50 | 1.00 | 1.67 | 0.67 | 1.50 | 1.00 | 0.33 | 0.67 | 1.00 | 2.33 | 2.00 | 1.00 | 1.27 | 24.21 |
| r | 0.00 | 0.67 | 1.00 | 0.00 | 0.67 | 1.50 | 0.67 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.33 | 0.50 | 2.00 | 2.67 | 1.00 | 0.00 | 1.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.50 | 0.48 | 9.13 |
| s | 1.33 | 2.00 | 2.50 | 1.67 | 1.33 | 1.50 | 1.67 | 3.50 | 1.67 | 0.33 | 1.00 | 1.00 | 3.33 | 1.67 | 2.00 | 4.50 | 0.00 | 1.00 | 0.67 | 1.00 | 1.67 | 1.33 | 2.00 | 2.00 | 1.00 | 1.33 | 1.00 | 0.50 | 0.00 | 2.50 | 3.50 | 1.63 | 31.08 |
| a | 1.00 | 0.33 | 0.00 | 1.33 | 0.67 | 0.00 | 0.67 | 0.00 | 0.67 | 0.67 | 0.67 | 1.33 | 0.67 | 2.00 | 1.67 | 1.00 | 0.50 | 0.00 | 0.00 | 1.50 | 1.00 | 0.33 | 0.67 | 0.50 | 1.50 | 0.33 | 1.67 | 0.50 | 0.67 | 0.00 | 0.00 | 0.70 | 13.44 |
| h | 0.33 | 0.33 | 1.50 | 1.00 | 1.00 | 0.50 | 1.33 | 0.50 | 0.33 | 0.67 | 0.33 | 0.00 | 0.00 | 0.67 | 1.33 | 0.00 | 0.50 | 0.33 | 0.33 | 0.00 | 0.33 | 1.00 | 1.00 | 0.50 | 0.00 | 0.67 | 0.00 | 1.00 | 0.67 | 0.00 | 0.00 | 0.52 | 9.95 |
| k | 0.00 | 0.33 | 0.00 | 1.00 | 1.00 | 1.50 | 1.00 | 1.00 | 1.00 | 1.33 | 1.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.50 | 1.50 | 1.67 | 1.67 | 1.50 | 1.00 | 1.00 | 1.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.64 | 12.21 |
| x | 1.33 | 2.00 | 1.50 | 1.67 | 1.67 | 2.00 | 1.67 | 3.00 | 2.33 | 0.33 | 1.00 | 1.33 | 1.00 | 2.33 | 4.00 | 3.00 | 4.50 | 3.33 | 1.67 | 1.00 | 2.00 | 2.33 | 1.33 | 2.00 | 1.50 | 1.00 | 1.67 | 3.00 | 0.67 | 2.00 | 2.00 | 1.94 | 37.03 |
| o | 0.67 | 1.67 | 4.00 | 3.33 | 4.00 | 3.50 | 3.33 | 1.50 | 0.67 | 1.33 | 1.33 | 1.67 | 3.33 | 3.33 | 4.33 | 6.00 | 5.00 | 3.67 | 3.00 | 3.00 | 3.67 | 3.00 | 4.00 | 2.00 | 1.50 | 0.67 | 1.67 | 0.00 | 3.00 | 3.00 | 3.00 | 2.72 | 51.79 |
| i | 0.33 | 0.67 | 0.00 | 1.00 | 0.33 | 0.50 | 0.67 | 0.50 | 0.33 | 1.00 | 0.33 | 0.00 | 0.33 | 1.33 | 0.00 | 0.00 | 0.50 | 0.67 | 0.33 | 0.50 | 0.33 | 0.33 | 0.00 | 1.00 | 0.50 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.39 | 7.49 |
| c | 0.33 | 0.33 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.50 | 0.33 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.19 | 3.69 |
| CV | 55.00 | 77.33 | 119.00 | 119.67 | 122.00 | 115.00 | 143.00 | 126.00 | 102.00 | 108.33 | 86.67 | 26.33 | 64.67 | 98.33 | 123.00 | 128.50 | 122.00 | 120.00 | 112.33 | 108.50 | 112.67 | 119.67 | 126.67 | 77.50 | 36.00 | 62.33 | 24.00 | 49.50 | 36.67 | 43.00 | 45.00 | 90.67 | 100.00 |
| CVn | 0.00 | 8.00 | 55.50 | 57.00 | 71.33 | 66.00 | 99.67 | 113.50 | 96.00 | 108.33 | 86.67 | 26.33 | 51.00 | 81.67 | 111.67 | 124.50 | 112.50 | 110.67 | 108.00 | 108.50 | 112.67 | 119.33 | 113.33 | 77.00 | 36.00 | 62.33 | 23.67 | 48.50 | 33.33 | 39.50 | 31.50 | 74.00 | 81.62 |
| CVs | 55.00 | 69.33 | 63.50 | 62.67 | 50.67 | 49.00 | 43.33 | 12.50 | 6.00 | 0.00 | 0.00 | 0.00 | 13.67 | 16.67 | 11.33 | 4.00 | 9.50 | 9.33 | 4.33 | 0.00 | 0.00 | 0.33 | 13.33 | 0.50 | 0.00 | 0.00 | 0.33 | 1.00 | 3.33 | 3.50 | 13.50 | 16.67 | 18.38 |
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