Statistics of sunspot activity
January, 1993
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 | 61.25 | 61.25 | 58.50 | 64.71 | 90.75 | 99.40 | 99.83 | 136.60 | 123.67 | 132.00 | 128.00 | 136.67 | 136.50 | 95.00 | 81.75 | 89.40 | 93.00 | 87.50 | 66.33 | 63.40 | 65.80 | 42.33 | 39.83 | 59.00 | 69.25 | 43.50 | 48.80 | 56.60 | 51.67 | 58.00 | 49.40 | 80.31 | 100 |
| Wn | 14.50 | 14.00 | 6.25 | 12.86 | 0.00 | 6.60 | 23.17 | 40.60 | 40.67 | 43.83 | 58.50 | 59.67 | 48.00 | 27.75 | 23.75 | 28.00 | 26.00 | 23.75 | 13.00 | 11.20 | 11.00 | 11.00 | 11.00 | 25.83 | 36.25 | 20.83 | 4.40 | 6.80 | 3.67 | 3.67 | 4.80 | 21.33 | 26.56 |
| Ws | 46.75 | 47.25 | 52.25 | 51.86 | 90.75 | 92.80 | 76.67 | 96.00 | 83.00 | 88.17 | 69.50 | 77.00 | 88.50 | 67.25 | 58.00 | 61.40 | 67.00 | 63.75 | 53.33 | 52.20 | 54.80 | 31.33 | 28.83 | 33.17 | 33.00 | 22.67 | 44.40 | 49.80 | 48.00 | 54.33 | 44.60 | 58.98 | 73.44 |
| n | 4.75 | 4.50 | 3.75 | 4.71 | 5.75 | 6.20 | 6.00 | 8.00 | 8.50 | 8.33 | 7.50 | 7.00 | 7.50 | 6.00 | 6.25 | 6.20 | 5.50 | 6.00 | 4.00 | 4.00 | 4.80 | 3.50 | 3.33 | 4.50 | 5.50 | 3.67 | 4.00 | 4.00 | 3.33 | 3.67 | 3.20 | 5.29 | 100 |
| A | 0.50 | 0.25 | 0.50 | 1.43 | 0.25 | 0.80 | 0.50 | 1.00 | 1.33 | 1.00 | 0.75 | 0.67 | 0.75 | 0.25 | 0.75 | 1.40 | 0.50 | 0.75 | 0.33 | 0.20 | 1.00 | 0.33 | 0.33 | 0.33 | 0.75 | 1.00 | 0.40 | 1.00 | 0.33 | 0.67 | 0.20 | 0.65 | 12.36 |
| B | 0.00 | 0.75 | 0.25 | 0.14 | 1.00 | 1.20 | 1.17 | 1.40 | 1.00 | 1.83 | 1.75 | 1.33 | 1.25 | 1.25 | 0.75 | 1.00 | 0.50 | 0.50 | 0.17 | 0.20 | 0.20 | 0.17 | 0.00 | 1.17 | 1.50 | 0.33 | 0.20 | 0.00 | 0.00 | 0.00 | 0.60 | 0.70 | 13.18 |
| C | 1.25 | 0.75 | 2.00 | 1.14 | 2.00 | 1.20 | 1.67 | 2.00 | 1.83 | 1.83 | 2.50 | 1.00 | 0.75 | 0.25 | 0.50 | 1.00 | 0.50 | 1.75 | 0.67 | 1.20 | 0.60 | 1.00 | 0.83 | 0.67 | 1.00 | 1.17 | 0.60 | 1.00 | 1.00 | 1.00 | 1.40 | 1.16 | 21.99 |
| D | 0.75 | 0.25 | 0.75 | 0.86 | 2.25 | 2.20 | 1.50 | 1.20 | 1.83 | 1.00 | 1.00 | 2.33 | 2.75 | 2.25 | 1.00 | 0.80 | 2.00 | 1.00 | 1.50 | 1.40 | 1.20 | 0.00 | 0.00 | 0.50 | 0.50 | 0.00 | 0.40 | 0.80 | 1.00 | 1.00 | 0.60 | 1.12 | 21.12 |
| E | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.20 |
| 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| G | 0.25 | 0.25 | 0.00 | 0.00 | 0.25 | 0.00 | 0.17 | 0.60 | 0.00 | 0.17 | 0.25 | 0.67 | 0.50 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 2.11 |
| H | 0.50 | 0.25 | 0.00 | 0.14 | 0.00 | 0.20 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.50 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.17 | 0.17 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 1.88 |
| I | 1.50 | 2.00 | 0.25 | 1.00 | 0.00 | 0.60 | 0.83 | 1.80 | 2.50 | 2.17 | 1.25 | 1.00 | 1.50 | 2.00 | 3.25 | 1.40 | 1.50 | 2.00 | 0.83 | 1.00 | 1.80 | 2.00 | 2.00 | 1.67 | 1.50 | 1.17 | 2.40 | 1.20 | 1.00 | 1.00 | 0.40 | 1.44 | 27.15 |
| x | 0.50 | 1.00 | 0.75 | 1.57 | 1.25 | 2.00 | 1.67 | 2.40 | 2.33 | 2.83 | 2.50 | 2.00 | 2.00 | 1.50 | 1.50 | 2.40 | 1.00 | 1.25 | 0.50 | 0.40 | 1.20 | 0.50 | 0.33 | 1.50 | 2.25 | 1.33 | 0.60 | 1.00 | 0.33 | 0.67 | 0.80 | 1.35 | 25.54 |
| r | 0.25 | 0.50 | 0.50 | 0.14 | 0.25 | 0.20 | 0.17 | 0.80 | 0.50 | 0.67 | 0.50 | 0.00 | 0.25 | 0.50 | 0.50 | 0.60 | 0.00 | 1.25 | 0.50 | 0.40 | 0.80 | 0.00 | 0.17 | 0.33 | 0.75 | 0.17 | 0.40 | 0.00 | 0.00 | 0.00 | 0.20 | 0.36 | 6.89 |
| s | 1.50 | 2.00 | 0.00 | 1.14 | 0.50 | 1.20 | 1.50 | 2.60 | 3.83 | 2.33 | 3.25 | 4.00 | 3.00 | 2.75 | 2.75 | 1.60 | 2.00 | 1.00 | 0.83 | 0.80 | 2.00 | 1.83 | 1.50 | 2.50 | 1.75 | 1.50 | 1.80 | 1.60 | 1.67 | 1.00 | 1.00 | 1.83 | 34.61 |
| a | 1.75 | 0.75 | 1.25 | 1.29 | 2.75 | 2.00 | 1.83 | 1.40 | 1.33 | 2.17 | 1.25 | 1.00 | 2.25 | 1.25 | 1.50 | 1.00 | 2.00 | 2.50 | 1.83 | 2.40 | 0.80 | 1.17 | 1.17 | 0.00 | 0.50 | 0.67 | 1.20 | 1.40 | 1.33 | 2.00 | 1.20 | 1.45 | 27.41 |
| h | 0.50 | 0.00 | 0.50 | 0.29 | 0.75 | 0.20 | 0.17 | 0.40 | 0.17 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.50 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.17 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.15 | 2.87 |
| k | 0.25 | 0.25 | 0.75 | 0.29 | 0.25 | 0.60 | 0.67 | 0.40 | 0.33 | 0.17 | 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 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 2.69 |
| x | 2.50 | 2.50 | 0.75 | 2.57 | 0.25 | 1.60 | 1.50 | 2.80 | 3.83 | 3.17 | 2.00 | 1.67 | 2.25 | 2.25 | 4.00 | 3.20 | 2.50 | 2.75 | 1.50 | 1.20 | 2.80 | 2.33 | 2.50 | 2.17 | 2.50 | 2.17 | 2.80 | 2.20 | 1.33 | 1.67 | 0.60 | 2.19 | 41.39 |
| o | 2.25 | 2.00 | 2.75 | 2.00 | 5.25 | 4.40 | 4.50 | 5.00 | 4.50 | 4.33 | 5.25 | 4.33 | 4.75 | 3.75 | 2.25 | 2.60 | 2.50 | 2.75 | 2.50 | 2.60 | 1.80 | 1.17 | 0.83 | 2.33 | 3.00 | 1.50 | 1.20 | 1.80 | 2.00 | 2.00 | 2.60 | 2.92 | 55.20 |
| i | 0.00 | 0.00 | 0.25 | 0.14 | 0.25 | 0.20 | 0.00 | 0.20 | 0.17 | 0.83 | 0.25 | 1.00 | 0.50 | 0.00 | 0.00 | 0.20 | 0.50 | 0.50 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 3.17 |
| 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 | 0.00 | 0.00 | 0.20 | 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 | 0.00 | 0.00 | 0.01 | 0.24 |
| CV | 70.75 | 46.00 | 71.25 | 57.43 | 100.50 | 88.40 | 83.50 | 99.60 | 99.83 | 81.33 | 67.00 | 97.33 | 95.50 | 72.00 | 54.75 | 67.80 | 81.50 | 48.50 | 57.50 | 48.00 | 47.60 | 28.17 | 31.67 | 42.83 | 42.50 | 23.17 | 34.20 | 38.00 | 39.33 | 37.67 | 29.80 | 60.76 | 100 |
| CVn | 9.00 | 9.00 | 1.25 | 1.29 | 0.00 | 6.00 | 15.00 | 13.80 | 27.83 | 24.83 | 28.25 | 35.33 | 33.00 | 13.50 | 15.50 | 23.80 | 35.50 | 12.75 | 20.83 | 8.40 | 8.80 | 9.50 | 14.50 | 19.00 | 26.00 | 10.67 | 4.00 | 0.60 | 0.33 | 0.33 | 0.60 | 13.85 | 22.79 |
| CVs | 61.75 | 37.00 | 70.00 | 56.14 | 100.50 | 82.40 | 68.50 | 85.80 | 72.00 | 56.50 | 38.75 | 62.00 | 62.50 | 58.50 | 39.25 | 44.00 | 46.00 | 35.75 | 36.67 | 39.60 | 38.80 | 18.67 | 17.17 | 23.83 | 16.50 | 12.50 | 30.20 | 37.40 | 39.00 | 37.33 | 29.20 | 46.91 | 77.21 |
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