Statistics of sunspot activity
October, 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 | 81.20 | 112.00 | 110.60 | 127.50 | 103.20 | 81.00 | 74.67 | 91.50 | 86.00 | 66.00 | 73.80 | 59.00 | 33.20 | 29.40 | 55.00 | 53.40 | 44.00 | 51.00 | 50.67 | 71.50 | 85.25 | 79.25 | 80.67 | 55.50 | 62.50 | 74.33 | 52.40 | 36.00 | 30.25 | 32.00 | 39.20 | 67.16 | 100 |
| Wn | 66.00 | 72.25 | 67.80 | 75.00 | 54.80 | 43.80 | 36.33 | 26.50 | 17.00 | 2.20 | 13.20 | 11.60 | 11.80 | 13.00 | 25.50 | 24.80 | 17.00 | 15.00 | 17.00 | 28.75 | 23.00 | 14.50 | 18.67 | 18.50 | 24.75 | 41.67 | 19.80 | 12.50 | 16.25 | 17.67 | 18.60 | 27.91 | 41.56 |
| Ws | 15.20 | 39.75 | 42.80 | 52.50 | 48.40 | 37.20 | 38.33 | 65.00 | 69.00 | 63.80 | 60.60 | 47.40 | 21.40 | 16.40 | 29.50 | 28.60 | 27.00 | 36.00 | 33.67 | 42.75 | 62.25 | 64.75 | 62.00 | 37.00 | 37.75 | 32.67 | 32.60 | 23.50 | 14.00 | 14.33 | 20.60 | 39.25 | 58.44 |
| n | 2.40 | 4.25 | 3.60 | 4.00 | 4.00 | 2.60 | 2.33 | 3.25 | 4.00 | 3.20 | 4.40 | 3.60 | 2.00 | 2.00 | 3.75 | 3.60 | 3.00 | 4.00 | 4.00 | 5.00 | 5.00 | 4.75 | 4.33 | 3.50 | 4.75 | 5.67 | 3.80 | 3.00 | 2.25 | 2.00 | 2.80 | 3.58 | 100 |
| A | 0.00 | 0.50 | 0.40 | 0.25 | 0.60 | 0.60 | 0.33 | 0.00 | 0.00 | 0.20 | 0.60 | 0.20 | 0.00 | 0.00 | 0.25 | 0.40 | 0.00 | 1.00 | 0.67 | 0.25 | 1.00 | 0.50 | 0.67 | 0.75 | 2.25 | 2.33 | 0.80 | 2.00 | 1.00 | 0.00 | 1.00 | 0.60 | 16.74 |
| B | 0.20 | 0.75 | 0.00 | 0.00 | 0.40 | 0.00 | 0.00 | 0.50 | 0.75 | 0.80 | 0.60 | 0.60 | 0.20 | 0.00 | 1.00 | 0.00 | 0.00 | 1.00 | 0.67 | 1.75 | 0.00 | 1.00 | 1.00 | 0.25 | 0.00 | 1.67 | 2.60 | 1.00 | 0.50 | 0.33 | 0.40 | 0.58 | 16.21 |
| C | 0.80 | 1.25 | 1.00 | 0.50 | 0.00 | 0.20 | 0.33 | 0.75 | 0.50 | 0.20 | 0.20 | 0.40 | 0.00 | 0.20 | 0.75 | 1.00 | 1.00 | 0.00 | 1.00 | 1.25 | 1.25 | 1.75 | 1.67 | 0.75 | 1.25 | 1.00 | 0.20 | 0.00 | 0.50 | 0.33 | 0.20 | 0.65 | 18.26 |
| D | 0.00 | 0.75 | 0.60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.75 | 0.40 | 0.60 | 0.40 | 0.00 | 0.00 | 0.00 | 0.40 | 1.33 | 0.00 | 0.00 | 0.75 | 2.75 | 1.50 | 0.67 | 1.00 | 0.75 | 0.00 | 0.20 | 0.00 | 0.00 | 1.33 | 0.60 | 0.48 | 13.56 |
| E | 0.00 | 0.00 | 0.40 | 1.00 | 0.80 | 0.40 | 0.00 | 0.75 | 1.25 | 0.20 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.16 | 4.51 |
| F | 1.00 | 1.00 | 1.00 | 1.00 | 0.80 | 0.80 | 0.67 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.21 | 5.88 |
| G | 0.00 | 0.00 | 0.20 | 0.00 | 0.40 | 0.60 | 1.00 | 0.50 | 0.75 | 1.40 | 1.20 | 1.20 | 0.80 | 1.00 | 0.75 | 0.80 | 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 | 0.60 | 0.37 | 10.33 |
| 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 | 0.25 | 0.00 | 0.00 | 0.01 | 0.23 |
| I | 0.40 | 0.00 | 0.00 | 1.25 | 1.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 1.00 | 0.80 | 1.00 | 0.80 | 1.00 | 1.00 | 0.67 | 2.00 | 1.67 | 1.00 | 0.00 | 0.00 | 0.33 | 0.50 | 0.50 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.51 | 14.29 |
| x | 0.20 | 1.25 | 0.40 | 0.25 | 1.00 | 0.60 | 0.33 | 0.50 | 0.75 | 1.00 | 1.20 | 0.80 | 0.20 | 0.00 | 1.25 | 0.40 | 0.00 | 2.00 | 1.33 | 2.00 | 1.00 | 1.50 | 1.67 | 1.00 | 2.25 | 4.00 | 3.40 | 3.00 | 1.50 | 0.33 | 1.40 | 1.18 | 32.95 |
| r | 0.00 | 0.75 | 0.40 | 0.25 | 0.20 | 0.00 | 0.00 | 0.25 | 0.25 | 0.00 | 0.20 | 0.00 | 0.00 | 0.20 | 0.00 | 0.20 | 0.00 | 0.00 | 0.33 | 0.50 | 0.25 | 0.00 | 1.00 | 0.00 | 0.00 | 0.33 | 0.20 | 0.00 | 0.25 | 0.00 | 0.40 | 0.19 | 5.38 |
| s | 0.20 | 0.25 | 0.40 | 1.00 | 0.60 | 0.00 | 0.00 | 0.00 | 0.75 | 0.60 | 1.00 | 0.60 | 1.00 | 1.00 | 0.75 | 1.40 | 1.67 | 2.00 | 2.33 | 1.00 | 0.50 | 1.00 | 1.00 | 0.75 | 2.00 | 1.33 | 0.20 | 0.00 | 0.25 | 0.33 | 0.00 | 0.77 | 21.58 |
| a | 0.80 | 0.75 | 1.00 | 0.50 | 0.20 | 0.00 | 0.00 | 0.75 | 1.75 | 1.20 | 1.60 | 2.00 | 0.80 | 0.80 | 1.75 | 1.60 | 1.33 | 0.00 | 0.00 | 1.50 | 3.25 | 2.25 | 0.67 | 1.75 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.20 | 0.88 | 24.62 |
| h | 0.20 | 0.00 | 0.00 | 0.00 | 0.20 | 0.20 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.33 | 0.80 | 0.09 | 2.39 |
| k | 1.00 | 1.25 | 1.40 | 2.00 | 1.80 | 1.80 | 1.33 | 1.75 | 0.50 | 0.40 | 0.40 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.47 | 13.08 |
| x | 0.40 | 0.50 | 0.40 | 1.50 | 1.60 | 0.60 | 0.33 | 0.25 | 0.00 | 0.20 | 1.60 | 1.00 | 1.00 | 0.80 | 1.25 | 1.40 | 0.67 | 3.00 | 2.33 | 1.25 | 1.00 | 0.50 | 1.00 | 1.25 | 2.75 | 3.00 | 0.80 | 2.00 | 1.25 | 0.00 | 1.00 | 1.12 | 31.25 |
| o | 1.00 | 2.25 | 1.60 | 0.50 | 0.80 | 0.80 | 1.33 | 1.75 | 2.75 | 2.80 | 2.60 | 2.60 | 1.00 | 1.20 | 2.50 | 2.20 | 2.33 | 1.00 | 1.67 | 3.50 | 4.00 | 4.00 | 3.00 | 2.25 | 2.00 | 2.67 | 3.00 | 1.00 | 1.00 | 2.00 | 1.80 | 2.03 | 56.75 |
| i | 1.00 | 1.50 | 1.20 | 1.75 | 1.40 | 1.20 | 0.67 | 1.00 | 1.25 | 0.20 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.25 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.39 | 11.01 |
| c | 0.00 | 0.00 | 0.40 | 0.25 | 0.20 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.99 |
| CV | 65.40 | 81.00 | 95.40 | 112.50 | 106.40 | 93.00 | 93.00 | 93.50 | 78.50 | 56.20 | 62.40 | 50.20 | 27.00 | 30.80 | 33.25 | 45.00 | 44.00 | 23.00 | 27.67 | 37.25 | 64.00 | 50.25 | 33.00 | 38.50 | 37.50 | 21.33 | 10.80 | 4.00 | 16.00 | 58.67 | 49.00 | 52.86 | 100 |
| CVn | 51.60 | 50.75 | 53.00 | 56.75 | 50.60 | 47.80 | 47.00 | 42.25 | 24.25 | 0.20 | 9.00 | 8.40 | 9.40 | 8.40 | 8.25 | 16.80 | 21.00 | 1.50 | 2.00 | 18.00 | 19.75 | 6.25 | 6.00 | 13.75 | 17.25 | 11.67 | 4.40 | 1.50 | 5.00 | 15.33 | 6.00 | 20.45 | 38.68 |
| CVs | 13.80 | 30.25 | 42.40 | 55.75 | 55.80 | 45.20 | 46.00 | 51.25 | 54.25 | 56.00 | 53.40 | 41.80 | 17.60 | 22.40 | 25.00 | 28.20 | 23.00 | 21.50 | 25.67 | 19.25 | 44.25 | 44.00 | 27.00 | 24.75 | 20.25 | 9.67 | 6.40 | 2.50 | 11.00 | 43.33 | 43.00 | 32.41 | 61.32 |
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