Statistics of sunspot activity
January, 2004
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 | 49.67 | 55.50 | 63.67 | 73.00 | 74.50 | 59.67 | 77.50 | 98.00 | 73.00 | 51.67 | 49.00 | 56.67 | 50.00 | 46.00 | 54.00 | 68.00 | 68.33 | 55.80 | 75.33 | 98.25 | 84.67 | 74.50 | 60.25 | 49.33 | 71.00 | 25.00 | 0.00 | 11.00 | 20.67 | 40.50 | 46.00 | 57.43 | 100 |
| Wn | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 5.33 | 32.00 | 40.67 | 25.00 | 21.67 | 21.33 | 22.67 | 19.67 | 23.00 | 23.00 | 31.00 | 28.00 | 12.80 | 26.33 | 48.25 | 44.67 | 43.00 | 34.00 | 27.00 | 26.00 | 13.50 | 0.00 | 0.00 | 0.00 | 0.00 | 17.50 | 18.92 | 32.93 |
| Ws | 49.67 | 55.50 | 63.67 | 73.00 | 74.50 | 54.33 | 45.50 | 57.33 | 48.00 | 30.00 | 27.67 | 34.00 | 30.33 | 23.00 | 31.00 | 37.00 | 40.33 | 43.00 | 49.00 | 50.00 | 40.00 | 31.50 | 26.25 | 22.33 | 45.00 | 11.50 | 0.00 | 11.00 | 20.67 | 40.50 | 28.50 | 38.52 | 67.07 |
| n | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 2.33 | 3.00 | 3.00 | 2.00 | 2.00 | 2.00 | 2.33 | 3.00 | 3.00 | 3.33 | 4.00 | 4.00 | 3.00 | 3.33 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 6.00 | 2.00 | 0.00 | 1.00 | 1.67 | 3.00 | 3.50 | 2.98 | 100 |
| A | 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 | 0.33 | 0.00 | 0.33 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.00 | 2.00 | 0.00 | 1.00 | 0.67 | 0.00 | 0.50 | 0.24 | 8.11 |
| B | 0.33 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.33 | 1.00 | 0.00 | 0.20 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.20 | 6.61 |
| C | 0.67 | 0.50 | 0.33 | 0.50 | 0.00 | 0.33 | 2.00 | 0.33 | 1.00 | 0.00 | 0.33 | 0.33 | 0.67 | 0.50 | 0.67 | 1.00 | 1.00 | 0.80 | 0.67 | 0.00 | 1.00 | 1.00 | 2.75 | 0.67 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.25 | 1.00 | 0.65 | 21.95 |
| D | 1.00 | 1.75 | 2.00 | 1.50 | 0.50 | 1.00 | 0.00 | 1.33 | 0.67 | 1.33 | 1.33 | 1.00 | 1.33 | 1.00 | 0.33 | 0.50 | 1.00 | 0.60 | 0.33 | 3.00 | 2.00 | 2.50 | 0.75 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.75 | 1.00 | 0.94 | 31.55 |
| E | 0.00 | 0.00 | 0.33 | 0.50 | 1.50 | 0.33 | 1.00 | 0.33 | 0.33 | 0.00 | 0.33 | 0.33 | 0.67 | 0.00 | 0.00 | 0.50 | 0.33 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | 7.30 |
| 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 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.27 |
| G | 0.00 | 0.50 | 0.33 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.00 | 0.33 | 0.50 | 1.00 | 0.50 | 0.67 | 0.80 | 1.33 | 0.50 | 1.00 | 0.50 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.29 | 9.87 |
| H | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.50 | 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 | 0.06 | 1.98 |
| I | 0.33 | 0.00 | 0.00 | 0.25 | 1.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.33 | 0.50 | 0.67 | 0.60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 2.67 | 2.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.50 | 1.00 | 0.37 | 12.36 |
| x | 0.33 | 0.25 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.67 | 1.00 | 0.33 | 0.20 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 3.00 | 2.00 | 0.00 | 1.00 | 0.67 | 0.50 | 0.50 | 0.44 | 14.72 |
| r | 0.33 | 0.00 | 0.00 | 0.25 | 0.00 | 0.33 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.50 | 0.00 | 0.40 | 0.00 | 0.00 | 0.33 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.14 | 4.58 |
| s | 1.00 | 1.50 | 0.67 | 0.25 | 1.50 | 0.33 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 1.50 | 1.33 | 0.50 | 2.00 | 1.00 | 0.33 | 1.50 | 2.00 | 4.00 | 2.75 | 2.67 | 3.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.75 | 3.00 | 1.14 | 38.11 |
| a | 0.67 | 0.25 | 1.67 | 1.75 | 0.50 | 0.67 | 0.00 | 1.00 | 1.00 | 0.67 | 0.00 | 1.33 | 1.67 | 0.50 | 0.33 | 2.00 | 1.67 | 1.00 | 1.33 | 2.25 | 1.33 | 0.00 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.77 | 25.77 |
| h | 0.00 | 0.25 | 0.33 | 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 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 1.26 |
| k | 0.67 | 0.75 | 0.33 | 0.75 | 1.00 | 0.67 | 1.00 | 1.00 | 1.00 | 1.33 | 2.00 | 0.67 | 0.67 | 0.50 | 0.67 | 0.00 | 0.00 | 0.40 | 0.67 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.46 | 15.57 |
| x | 1.00 | 0.00 | 0.00 | 0.25 | 1.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.50 | 1.00 | 0.50 | 1.00 | 0.60 | 0.33 | 0.00 | 0.00 | 0.00 | 0.25 | 2.67 | 4.00 | 2.00 | 0.00 | 1.00 | 1.33 | 0.50 | 1.50 | 0.67 | 22.45 |
| o | 1.33 | 2.25 | 1.33 | 1.75 | 0.50 | 0.67 | 2.00 | 2.00 | 0.67 | 1.67 | 0.33 | 0.00 | 1.67 | 2.50 | 1.67 | 2.00 | 2.33 | 2.00 | 2.67 | 2.50 | 2.33 | 3.50 | 3.50 | 1.33 | 2.00 | 0.00 | 0.00 | 0.00 | 0.33 | 2.25 | 2.00 | 1.58 | 53.06 |
| i | 0.67 | 0.75 | 1.67 | 0.75 | 0.50 | 0.67 | 0.50 | 0.33 | 1.00 | 0.33 | 1.00 | 1.00 | 1.33 | 0.00 | 0.67 | 1.00 | 0.67 | 0.40 | 0.33 | 1.00 | 1.67 | 0.50 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.56 | 18.63 |
| c | 0.00 | 0.00 | 0.00 | 0.25 | 1.00 | 0.33 | 0.50 | 0.67 | 0.33 | 0.00 | 0.67 | 0.67 | 0.00 | 0.00 | 0.00 | 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 | 0.00 | 0.00 | 0.17 | 5.86 |
| CV | 58.00 | 85.25 | 80.33 | 72.00 | 90.00 | 52.00 | 67.50 | 69.67 | 57.00 | 71.67 | 95.00 | 70.33 | 76.33 | 61.50 | 65.00 | 51.00 | 63.00 | 52.60 | 59.33 | 103.00 | 86.67 | 88.00 | 51.50 | 40.00 | 35.00 | 2.00 | 0.00 | 1.00 | 15.67 | 35.00 | 46.50 | 58.12 | 100 |
| CVn | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.33 | 16.00 | 17.33 | 21.00 | 28.00 | 48.00 | 28.67 | 28.67 | 32.00 | 29.67 | 26.50 | 18.67 | 11.20 | 16.67 | 48.50 | 40.00 | 44.50 | 30.50 | 22.00 | 13.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 18.00 | 17.49 | 30.09 |
| CVs | 58.00 | 85.25 | 80.33 | 72.00 | 90.00 | 49.67 | 51.50 | 52.33 | 36.00 | 43.67 | 47.00 | 41.67 | 47.67 | 29.50 | 35.33 | 24.50 | 44.33 | 41.40 | 42.67 | 54.50 | 46.67 | 43.50 | 21.00 | 18.00 | 22.00 | 1.00 | 0.00 | 1.00 | 15.67 | 35.00 | 28.50 | 40.63 | 69.91 |
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