Statistics of sunspot activity
December, 1994
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 | 13.75 | 11.67 | 11.00 | 13.25 | 18.33 | 16.00 | 23.25 | 33.00 | 50.00 | 56.33 | 82.33 | 72.33 | 67.25 | 50.75 | 43.75 | 35.75 | 46.00 | 48.00 | 37.40 | 24.00 | 18.80 | 38.40 | 38.50 | 40.20 | 45.50 | 45.20 | 31.60 | 26.50 | 27.00 | 11.50 | 12.00 | 35.14 | 100 |
| Wn | 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 | 8.75 | 19.75 | 5.20 | 0.00 | 3.00 | 25.00 | 9.25 | 4.20 | 4.25 | 9.60 | 14.20 | 11.25 | 3.00 | 0.00 | 12.00 | 4.18 | 11.88 |
| Ws | 13.75 | 11.67 | 11.00 | 13.25 | 18.33 | 16.00 | 23.25 | 33.00 | 50.00 | 56.33 | 82.33 | 72.33 | 67.25 | 50.75 | 43.75 | 35.75 | 37.25 | 28.25 | 32.20 | 24.00 | 15.80 | 13.40 | 29.25 | 36.00 | 41.25 | 35.60 | 17.40 | 15.25 | 24.00 | 11.50 | 0.00 | 30.96 | 88.12 |
| n | 1.00 | 1.00 | 1.00 | 1.00 | 1.33 | 1.00 | 1.75 | 2.50 | 3.00 | 3.00 | 3.67 | 2.33 | 2.25 | 1.25 | 1.00 | 1.00 | 2.75 | 3.00 | 2.80 | 1.67 | 1.00 | 2.00 | 2.00 | 2.20 | 3.00 | 3.00 | 2.40 | 2.25 | 2.00 | 1.00 | 1.00 | 1.94 | 100 |
| A | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 1.67 | 0.33 | 0.75 | 0.25 | 0.00 | 0.00 | 0.25 | 1.00 | 1.00 | 1.00 | 0.00 | 0.40 | 0.75 | 0.20 | 0.75 | 0.40 | 0.80 | 0.75 | 0.25 | 1.00 | 0.50 | 0.42 | 21.56 |
| B | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.25 | 0.50 | 0.25 | 0.00 | 0.67 | 0.67 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.00 | 0.00 | 0.60 | 0.25 | 1.00 | 1.00 | 0.60 | 0.40 | 0.50 | 1.75 | 0.00 | 0.50 | 0.33 | 16.90 |
| C | 0.75 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 1.00 | 1.50 | 2.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.75 | 1.40 | 0.33 | 0.20 | 0.20 | 0.25 | 0.20 | 0.25 | 0.80 | 0.60 | 0.25 | 0.00 | 0.00 | 0.00 | 0.39 | 19.92 |
| D | 0.00 | 0.00 | 0.00 | 0.75 | 1.00 | 1.00 | 0.50 | 0.00 | 0.50 | 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 | 0.20 | 0.60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 8.67 |
| E | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 1.00 | 1.00 | 1.00 | 1.00 | 0.50 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 8.78 |
| 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 | 0.25 | 0.50 | 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 | 0.03 | 1.66 |
| G | 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 | 0.25 | 0.75 | 1.00 | 0.00 | 0.33 | 0.80 | 0.60 | 0.75 | 0.80 | 0.75 | 0.60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | 11.44 |
| 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| I | 0.25 | 0.00 | 1.00 | 0.25 | 0.00 | 0.00 | 0.25 | 1.00 | 0.75 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.50 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.40 | 0.00 | 0.75 | 0.00 | 0.00 | 0.00 | 0.21 | 11.06 |
| x | 0.00 | 0.67 | 0.00 | 0.00 | 0.33 | 0.00 | 0.50 | 0.50 | 0.25 | 0.00 | 2.33 | 1.00 | 1.25 | 0.25 | 0.00 | 0.00 | 0.25 | 1.00 | 1.40 | 1.00 | 0.00 | 1.00 | 1.00 | 1.20 | 1.75 | 1.00 | 1.20 | 1.25 | 2.00 | 1.00 | 1.00 | 0.75 | 38.46 |
| r | 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 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.80 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 3.46 |
| s | 0.25 | 0.00 | 1.00 | 0.50 | 0.67 | 0.50 | 0.50 | 0.75 | 1.25 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.75 | 0.20 | 0.33 | 0.40 | 0.60 | 0.75 | 0.80 | 1.00 | 0.80 | 0.60 | 0.75 | 0.00 | 0.00 | 0.00 | 0.45 | 23.39 |
| a | 0.75 | 0.33 | 0.00 | 0.50 | 0.33 | 0.50 | 0.75 | 1.25 | 1.50 | 2.00 | 1.33 | 0.33 | 0.00 | 0.00 | 0.25 | 0.25 | 0.50 | 1.25 | 1.20 | 0.00 | 0.60 | 0.40 | 0.25 | 0.20 | 0.00 | 0.40 | 0.40 | 0.25 | 0.00 | 0.00 | 0.00 | 0.50 | 25.82 |
| 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| k | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.67 | 1.00 | 1.00 | 0.75 | 0.75 | 0.50 | 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 | 0.17 | 8.87 |
| x | 0.25 | 0.67 | 1.00 | 0.25 | 0.00 | 0.00 | 0.50 | 1.00 | 0.75 | 0.00 | 1.67 | 0.33 | 0.75 | 0.25 | 0.00 | 0.00 | 1.75 | 1.25 | 1.00 | 1.00 | 0.00 | 0.40 | 0.75 | 0.20 | 1.00 | 0.80 | 0.80 | 1.50 | 0.25 | 1.00 | 0.50 | 0.63 | 32.61 |
| o | 0.75 | 0.33 | 0.00 | 0.75 | 1.33 | 1.00 | 1.25 | 1.50 | 2.00 | 2.33 | 1.00 | 1.00 | 0.50 | 0.00 | 0.25 | 0.25 | 0.75 | 1.75 | 1.80 | 0.67 | 1.00 | 1.40 | 1.25 | 2.00 | 2.00 | 2.20 | 1.60 | 0.75 | 1.75 | 0.00 | 0.50 | 1.09 | 55.97 |
| i | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.67 | 0.00 | 0.33 | 0.50 | 0.25 | 0.00 | 0.50 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 4.90 |
| c | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.67 | 0.50 | 0.75 | 0.75 | 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 | 0.13 | 6.51 |
| CV | 8.50 | 3.33 | 10.00 | 18.25 | 23.67 | 22.00 | 18.25 | 18.25 | 32.50 | 47.33 | 37.67 | 48.33 | 53.25 | 54.00 | 47.50 | 43.00 | 45.50 | 31.25 | 13.60 | 19.33 | 20.00 | 23.60 | 22.50 | 24.40 | 26.25 | 28.20 | 20.20 | 11.25 | 3.75 | 1.00 | 1.50 | 25.10 | 100 |
| CVn | 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 | 7.50 | 10.50 | 1.80 | 0.00 | 4.00 | 14.00 | 5.50 | 2.20 | 2.75 | 8.60 | 17.60 | 9.50 | 0.50 | 0.00 | 1.50 | 2.77 | 11.05 |
| CVs | 8.50 | 3.33 | 10.00 | 18.25 | 23.67 | 22.00 | 18.25 | 18.25 | 32.50 | 47.33 | 37.67 | 48.33 | 53.25 | 54.00 | 47.50 | 43.00 | 38.00 | 20.75 | 11.80 | 19.33 | 16.00 | 9.60 | 17.00 | 22.20 | 23.50 | 19.60 | 2.60 | 1.75 | 3.25 | 1.00 | 0.00 | 22.33 | 88.95 |
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