Statistics of sunspot activity
December, 2015
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 | 27.67 | 29.25 | 34.50 | 22.75 | 38.00 | 43.75 | 50.25 | 45.67 | 75.67 | 79.33 | 77.67 | 45.00 | 66.25 | 77.00 | 57.67 | 51.50 | 46.75 | 51.33 | 50.33 | 26.50 | 29.67 | 69.50 | 67.67 | 60.50 | 66.67 | 68.33 | 60.00 | 65.33 | 50.50 | 29.33 | 15.00 | 50.95 | 100 |
| Wn | 27.67 | 26.25 | 29.00 | 11.00 | 11.50 | 11.50 | 11.75 | 11.33 | 12.67 | 0.00 | 0.00 | 12.40 | 25.25 | 35.67 | 34.33 | 38.25 | 33.50 | 40.00 | 38.33 | 21.00 | 25.00 | 43.00 | 38.67 | 31.00 | 35.33 | 20.67 | 17.00 | 22.00 | 16.25 | 7.33 | 0.00 | 22.18 | 43.54 |
| Ws | 0.00 | 3.00 | 5.50 | 11.75 | 26.50 | 32.25 | 38.50 | 34.33 | 63.00 | 79.33 | 77.67 | 32.60 | 41.00 | 41.33 | 23.33 | 13.25 | 13.25 | 11.33 | 12.00 | 5.50 | 4.67 | 26.50 | 29.00 | 29.50 | 31.33 | 47.67 | 43.00 | 43.33 | 34.25 | 22.00 | 15.00 | 28.76 | 56.46 |
| n | 2.00 | 2.25 | 3.00 | 2.00 | 3.00 | 3.50 | 4.00 | 3.33 | 5.00 | 5.67 | 6.00 | 3.60 | 5.25 | 5.67 | 3.67 | 3.50 | 3.00 | 3.33 | 3.00 | 1.50 | 2.00 | 4.50 | 4.00 | 3.25 | 3.67 | 2.33 | 2.00 | 2.00 | 2.00 | 1.67 | 1.00 | 3.25 | 100 |
| A | 0.33 | 1.00 | 1.00 | 0.00 | 1.00 | 0.50 | 0.75 | 0.00 | 1.00 | 0.33 | 0.33 | 0.20 | 1.25 | 2.00 | 0.33 | 0.50 | 0.00 | 0.67 | 2.00 | 0.25 | 0.33 | 0.00 | 0.67 | 0.25 | 0.67 | 0.33 | 0.00 | 0.33 | 0.00 | 0.67 | 0.00 | 0.54 | 16.59 |
| B | 0.33 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.50 | 0.67 | 0.67 | 0.00 | 0.67 | 0.40 | 0.00 | 0.00 | 0.67 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 1.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.33 | 0.75 | 0.00 | 0.00 | 0.24 | 7.27 |
| C | 0.00 | 0.25 | 0.00 | 0.00 | 0.50 | 0.00 | 0.25 | 1.00 | 1.33 | 2.33 | 2.67 | 0.80 | 1.00 | 1.00 | 0.67 | 1.00 | 0.50 | 0.00 | 0.00 | 0.00 | 1.00 | 0.75 | 0.33 | 0.00 | 1.00 | 0.67 | 0.50 | 0.00 | 0.00 | 0.33 | 0.00 | 0.58 | 17.76 |
| D | 0.67 | 0.75 | 0.00 | 0.50 | 0.50 | 0.25 | 0.25 | 0.00 | 1.33 | 2.00 | 1.00 | 0.80 | 2.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.25 | 0.67 | 1.00 | 0.33 | 0.00 | 0.25 | 0.33 | 0.25 | 0.00 | 0.00 | 0.46 | 14.04 |
| 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 | 0.67 | 0.33 | 0.25 | 0.50 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 1.33 | 1.00 | 1.00 | 0.67 | 0.00 | 0.33 | 0.00 | 0.67 | 1.00 | 0.27 | 8.36 |
| 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 | 0.33 | 1.00 | 0.67 | 0.50 | 0.00 | 0.00 | 0.08 | 2.48 |
| G | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.75 | 0.75 | 0.33 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.33 | 0.67 | 0.75 | 0.50 | 0.33 | 1.00 | 1.00 | 0.33 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.26 | 8.14 |
| 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 | 0.33 | 0.75 | 1.00 | 1.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 3.39 |
| I | 0.67 | 0.25 | 1.75 | 1.50 | 0.50 | 2.00 | 1.50 | 1.33 | 0.67 | 1.00 | 1.33 | 1.20 | 1.00 | 1.67 | 1.00 | 1.00 | 1.50 | 1.33 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.71 | 21.97 |
| x | 0.67 | 1.00 | 1.25 | 0.00 | 1.00 | 0.50 | 1.25 | 0.67 | 1.67 | 0.33 | 1.00 | 0.60 | 1.25 | 2.00 | 1.00 | 0.50 | 0.00 | 1.00 | 2.00 | 0.25 | 0.33 | 1.50 | 0.67 | 0.25 | 0.67 | 0.33 | 0.25 | 0.67 | 0.75 | 0.67 | 0.00 | 0.77 | 23.85 |
| r | 0.33 | 0.00 | 0.75 | 0.25 | 0.25 | 1.00 | 1.00 | 0.33 | 0.67 | 0.67 | 2.00 | 0.80 | 0.00 | 0.67 | 0.67 | 0.50 | 0.00 | 0.67 | 0.00 | 0.00 | 0.33 | 0.50 | 0.00 | 0.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.40 | 12.22 |
| s | 0.00 | 0.50 | 0.50 | 1.50 | 0.75 | 0.75 | 1.00 | 0.67 | 1.33 | 3.00 | 2.00 | 0.80 | 1.25 | 0.33 | 0.67 | 0.50 | 0.50 | 0.67 | 0.00 | 0.25 | 0.00 | 0.00 | 0.33 | 0.00 | 0.67 | 0.67 | 0.50 | 0.67 | 0.50 | 0.00 | 0.00 | 0.65 | 20.16 |
| a | 1.00 | 0.75 | 0.50 | 0.25 | 1.00 | 1.25 | 0.75 | 1.67 | 1.33 | 1.67 | 1.00 | 1.20 | 2.25 | 1.67 | 0.33 | 1.00 | 1.50 | 0.00 | 0.00 | 0.00 | 0.00 | 1.50 | 2.00 | 1.25 | 0.67 | 0.33 | 0.25 | 0.33 | 0.25 | 0.67 | 1.00 | 0.88 | 27.18 |
| h | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.25 | 0.25 | 0.00 | 0.33 | 0.25 | 0.67 | 0.50 | 0.67 | 0.75 | 0.33 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 4.42 |
| 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 | 0.50 | 1.00 | 1.00 | 0.75 | 0.75 | 1.00 | 0.67 | 0.75 | 0.67 | 0.50 | 0.33 | 1.00 | 1.00 | 0.67 | 0.75 | 0.33 | 0.25 | 0.33 | 0.00 | 0.40 | 12.17 |
| x | 1.00 | 1.25 | 2.75 | 1.50 | 1.50 | 2.50 | 2.25 | 1.33 | 1.67 | 1.33 | 1.67 | 1.40 | 2.25 | 3.67 | 1.33 | 1.50 | 1.50 | 2.00 | 2.00 | 0.50 | 0.67 | 0.75 | 1.67 | 1.25 | 1.33 | 0.67 | 0.00 | 0.33 | 0.00 | 0.67 | 0.00 | 1.36 | 41.95 |
| o | 1.00 | 1.00 | 0.25 | 0.50 | 1.50 | 1.00 | 1.75 | 1.67 | 2.67 | 4.33 | 4.00 | 2.20 | 3.00 | 1.00 | 2.00 | 1.75 | 1.00 | 0.67 | 1.00 | 1.00 | 1.33 | 3.25 | 0.67 | 0.00 | 1.33 | 0.67 | 0.75 | 0.67 | 1.25 | 0.33 | 0.00 | 1.40 | 43.24 |
| i | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.67 | 0.00 | 0.33 | 0.00 | 0.00 | 0.67 | 0.00 | 0.25 | 0.50 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.50 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.33 | 1.00 | 0.19 | 5.79 |
| c | 0.00 | 0.00 | 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 | 0.00 | 0.00 | 0.00 | 0.50 | 1.33 | 1.50 | 1.00 | 1.00 | 1.00 | 1.00 | 0.75 | 0.33 | 0.00 | 0.29 | 9.02 |
| CV | 17.33 | 21.25 | 13.00 | 24.50 | 30.25 | 34.25 | 34.00 | 27.67 | 47.00 | 75.00 | 52.67 | 42.20 | 73.00 | 70.00 | 62.33 | 61.75 | 63.00 | 56.67 | 48.00 | 48.25 | 57.33 | 77.50 | 100.67 | 116.00 | 87.67 | 57.33 | 69.25 | 50.00 | 42.75 | 29.67 | 23.00 | 52.04 | 100 |
| CVn | 17.33 | 21.00 | 9.50 | 8.50 | 8.25 | 7.00 | 3.75 | 5.33 | 1.33 | 0.00 | 0.00 | 22.20 | 48.50 | 57.67 | 57.67 | 55.25 | 54.75 | 51.33 | 47.00 | 45.50 | 55.67 | 52.75 | 66.00 | 65.75 | 31.67 | 8.00 | 11.50 | 7.33 | 5.00 | 0.67 | 0.00 | 26.65 | 51.21 |
| CVs | 0.00 | 0.25 | 3.50 | 16.00 | 22.00 | 27.25 | 30.25 | 22.33 | 45.67 | 75.00 | 52.67 | 20.00 | 24.50 | 12.33 | 4.67 | 6.50 | 8.25 | 5.33 | 1.00 | 2.75 | 1.67 | 24.75 | 34.67 | 50.25 | 56.00 | 49.33 | 57.75 | 42.67 | 37.75 | 29.00 | 23.00 | 25.39 | 48.79 |
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