Statistics of sunspot activity
November, 1997
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 | Average | % |
| W | 50.75 | 65.33 | 55.00 | 69.00 | 52.00 | 59.33 | 55.33 | 49.00 | 37.50 | 28.50 | 29.00 | 21.67 | 33.00 | 49.00 | 34.67 | 33.00 | 67.50 | 64.25 | 54.67 | 56.33 | 50.00 | 57.00 | 70.33 | 59.00 | 41.00 | 38.00 | 28.60 | 40.00 | 48.00 | 53.00 | 48.33 | 100 |
| Wn | 11.75 | 21.67 | 12.33 | 20.33 | 22.67 | 28.67 | 28.67 | 30.00 | 24.50 | 28.50 | 29.00 | 21.67 | 22.25 | 31.75 | 21.67 | 22.00 | 45.50 | 48.50 | 38.33 | 41.33 | 36.67 | 44.33 | 43.00 | 36.00 | 26.33 | 34.33 | 26.40 | 40.00 | 48.00 | 53.00 | 31.31 | 64.78 |
| Ws | 39.00 | 43.67 | 42.67 | 48.67 | 29.33 | 30.67 | 26.67 | 19.00 | 13.00 | 0.00 | 0.00 | 0.00 | 10.75 | 17.25 | 13.00 | 11.00 | 22.00 | 15.75 | 16.33 | 15.00 | 13.33 | 12.67 | 27.33 | 23.00 | 14.67 | 3.67 | 2.20 | 0.00 | 0.00 | 0.00 | 17.02 | 35.22 |
| n | 2.25 | 2.67 | 2.00 | 2.00 | 2.00 | 2.00 | 2.67 | 3.00 | 3.00 | 2.00 | 2.00 | 1.67 | 2.50 | 3.00 | 2.00 | 2.00 | 2.50 | 2.50 | 2.33 | 2.00 | 2.00 | 2.67 | 4.00 | 4.00 | 3.33 | 3.00 | 1.80 | 2.00 | 2.00 | 1.50 | 2.41 | 100 |
| A | 0.50 | 1.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.67 | 1.00 | 0.50 | 1.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.50 | 0.50 | 0.33 | 0.00 | 0.00 | 1.00 | 1.00 | 1.50 | 2.00 | 1.33 | 0.80 | 1.00 | 0.75 | 0.50 | 0.56 | 23.21 |
| B | 0.50 | 0.00 | 0.33 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.50 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.33 | 0.33 | 0.67 | 0.67 | 0.50 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.23 | 9.67 |
| C | 0.25 | 0.67 | 0.00 | 0.00 | 0.33 | 1.00 | 1.00 | 1.00 | 0.00 | 0.00 | 0.33 | 1.67 | 0.75 | 1.75 | 1.33 | 0.00 | 1.00 | 0.25 | 0.33 | 0.67 | 0.67 | 0.00 | 1.33 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.49 | 20.49 |
| D | 0.25 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.67 | 0.00 | 0.50 | 0.25 | 0.00 | 0.00 | 0.00 | 0.50 | 0.67 | 0.33 | 0.00 | 0.00 | 0.00 | 0.50 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.23 | 9.67 |
| E | 0.75 | 1.00 | 0.33 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.50 | 0.50 | 0.00 | 0.00 | 1.00 | 1.00 | 1.00 | 0.50 | 0.00 | 0.33 | 0.00 | 0.00 | 0.50 | 0.00 | 0.33 | 13.47 |
| F | 0.00 | 0.00 | 0.67 | 1.00 | 1.00 | 1.00 | 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 | 0.50 | 0.14 | 5.76 |
| 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 | 0.50 | 0.33 | 1.00 | 0.50 | 0.50 | 1.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.50 | 0.33 | 0.33 | 0.80 | 1.00 | 0.50 | 0.50 | 0.28 | 11.70 |
| 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 |
| I | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.25 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.20 | 0.00 | 0.25 | 0.00 | 0.15 | 6.03 |
| x | 1.00 | 1.00 | 1.00 | 1.00 | 0.00 | 0.00 | 0.67 | 1.00 | 2.00 | 1.00 | 0.00 | 0.00 | 0.25 | 0.25 | 0.00 | 0.00 | 0.50 | 0.75 | 0.33 | 0.33 | 0.33 | 1.67 | 1.67 | 2.00 | 2.33 | 1.67 | 0.80 | 1.00 | 0.75 | 0.50 | 0.79 | 32.88 |
| r | 0.25 | 0.33 | 0.00 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.33 | 0.00 | 1.00 | 1.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.33 | 0.33 | 0.33 | 0.00 | 0.67 | 0.50 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.28 | 11.63 |
| s | 0.25 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 1.00 | 1.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.75 | 0.50 | 1.00 | 0.00 | 0.00 | 0.50 | 0.67 | 0.33 | 0.33 | 0.33 | 0.67 | 1.00 | 0.67 | 0.00 | 0.20 | 0.00 | 0.25 | 0.50 | 0.38 | 15.59 |
| a | 0.50 | 0.67 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 1.00 | 1.33 | 1.33 | 0.50 | 0.75 | 1.00 | 2.00 | 0.00 | 0.25 | 0.67 | 0.00 | 0.67 | 0.67 | 1.00 | 0.50 | 0.33 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.48 | 19.80 |
| h | 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 | 0.25 | 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 | 0.50 | 0.50 | 0.06 | 2.65 |
| k | 0.25 | 0.33 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 1.00 | 1.00 | 0.33 | 0.67 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.80 | 1.00 | 0.00 | 0.00 | 0.42 | 17.45 |
| x | 0.50 | 1.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.67 | 1.00 | 1.50 | 1.00 | 0.00 | 0.00 | 1.00 | 0.50 | 0.00 | 1.00 | 0.50 | 0.50 | 0.33 | 0.00 | 0.00 | 1.00 | 1.00 | 1.50 | 2.00 | 2.00 | 1.00 | 1.00 | 1.00 | 0.50 | 0.71 | 29.24 |
| o | 0.75 | 0.67 | 0.33 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.50 | 1.00 | 2.00 | 1.67 | 1.50 | 2.25 | 1.67 | 1.00 | 1.50 | 1.50 | 2.00 | 2.00 | 1.00 | 0.67 | 2.00 | 2.00 | 1.33 | 0.67 | 0.80 | 1.00 | 0.50 | 0.50 | 1.23 | 50.84 |
| i | 0.75 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.67 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.33 | 0.00 | 0.50 | 0.50 | 0.00 | 0.00 | 0.67 | 0.67 | 0.33 | 0.50 | 0.00 | 0.33 | 0.00 | 0.00 | 0.50 | 0.00 | 0.30 | 12.43 |
| c | 0.25 | 0.00 | 0.00 | 1.00 | 1.00 | 1.00 | 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 | 0.33 | 0.33 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.18 | 7.48 |
| CV | 34.50 | 46.33 | 49.00 | 59.00 | 71.33 | 66.00 | 61.67 | 59.00 | 7.50 | 20.00 | 35.33 | 14.33 | 22.25 | 44.50 | 28.00 | 27.00 | 51.00 | 61.00 | 46.67 | 53.67 | 40.00 | 30.33 | 42.00 | 42.00 | 26.00 | 35.00 | 38.00 | 45.33 | 39.75 | 43.50 | 41.33 | 100 |
| CVn | 2.25 | 5.33 | 1.33 | 2.00 | 14.33 | 9.00 | 11.67 | 12.00 | 5.50 | 20.00 | 35.33 | 14.33 | 12.25 | 35.25 | 17.00 | 20.00 | 45.50 | 46.00 | 28.33 | 43.00 | 34.00 | 28.67 | 35.00 | 38.00 | 24.67 | 34.67 | 37.80 | 45.33 | 39.75 | 43.50 | 24.73 | 59.82 |
| CVs | 32.25 | 41.00 | 47.67 | 57.00 | 57.00 | 57.00 | 50.00 | 47.00 | 2.00 | 0.00 | 0.00 | 0.00 | 10.00 | 9.25 | 11.00 | 7.00 | 5.50 | 15.00 | 18.33 | 10.67 | 6.00 | 1.67 | 7.00 | 4.00 | 1.33 | 0.33 | 0.20 | 0.00 | 0.00 | 0.00 | 16.61 | 40.18 |
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