Statistics of sunspot activity
October, 1986
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 | 11.00 | 21.00 | 23.00 | 26.14 | 23.57 | 25.17 | 30.00 | 20.00 | 28.88 | 32.67 | 28.83 | 33.50 | 28.00 | 0.00 | 0.00 | 12.00 | 14.57 | 21.17 | 28.33 | 38.86 | 48.20 | 58.40 | 74.67 | 72.67 | 62.20 | 51.63 | 72.00 | 63.71 | 62.50 | 51.33 | 42.20 | 35.68 | 100 |
| Wn | 11.00 | 21.00 | 23.00 | 26.14 | 23.57 | 17.50 | 21.20 | 20.00 | 17.63 | 13.83 | 12.83 | 9.50 | 7.33 | 0.00 | 0.00 | 12.00 | 14.57 | 21.17 | 28.33 | 32.57 | 36.20 | 33.40 | 41.00 | 35.33 | 27.80 | 21.88 | 30.40 | 21.00 | 23.17 | 26.00 | 29.00 | 21.24 | 59.52 |
| Ws | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 7.67 | 8.80 | 0.00 | 11.25 | 18.83 | 16.00 | 24.00 | 20.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.29 | 12.00 | 25.00 | 33.67 | 37.33 | 34.40 | 29.75 | 41.60 | 42.71 | 39.33 | 25.33 | 13.20 | 14.45 | 40.48 |
| n | 1.00 | 1.67 | 1.75 | 2.00 | 2.00 | 1.83 | 2.00 | 1.00 | 1.88 | 2.50 | 2.33 | 2.67 | 2.33 | 0.00 | 0.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.57 | 2.00 | 2.80 | 3.00 | 3.33 | 3.40 | 3.38 | 4.80 | 4.86 | 4.83 | 3.83 | 3.00 | 2.25 | 100 |
| A | 0.00 | 0.33 | 0.00 | 0.00 | 0.29 | 0.50 | 0.80 | 0.00 | 0.38 | 0.67 | 0.50 | 0.17 | 0.33 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.20 | 0.00 | 0.33 | 0.40 | 0.63 | 0.60 | 0.71 | 0.33 | 0.17 | 0.00 | 0.26 | 11.52 |
| B | 0.00 | 0.33 | 0.75 | 0.86 | 0.86 | 1.17 | 0.40 | 0.00 | 0.38 | 0.67 | 0.67 | 1.33 | 1.33 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.60 | 1.00 | 0.17 | 0.20 | 0.13 | 0.60 | 0.71 | 1.67 | 1.33 | 0.00 | 0.49 | 21.91 |
| C | 0.00 | 0.33 | 0.00 | 0.29 | 0.29 | 0.17 | 0.40 | 0.60 | 1.00 | 1.00 | 1.17 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.60 | 1.00 | 1.00 | 0.50 | 1.60 | 0.88 | 1.40 | 1.43 | 1.00 | 0.67 | 0.40 | 0.52 | 23.23 |
| D | 0.00 | 0.00 | 0.25 | 0.14 | 0.00 | 0.00 | 0.40 | 0.40 | 0.13 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.57 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 1.33 | 0.20 | 0.13 | 0.20 | 0.71 | 0.17 | 0.00 | 0.60 | 0.20 | 8.93 |
| E | 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 | 0.14 | 0.00 | 0.67 | 0.86 | 0.60 | 0.80 | 0.67 | 1.00 | 0.80 | 0.13 | 0.60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 8.97 |
| 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 | 0.67 | 0.33 | 0.14 | 0.40 | 0.20 | 0.17 | 0.00 | 0.20 | 0.38 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 3.56 |
| 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 | 0.00 | 0.00 | 0.14 | 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 | 0.01 | 0.56 |
| 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 | 0.60 | 0.57 | 0.83 | 0.83 | 0.80 | 0.12 | 5.22 |
| I | 1.00 | 0.67 | 0.75 | 0.71 | 0.57 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 0.67 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.57 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.88 | 0.80 | 0.71 | 0.83 | 0.83 | 1.20 | 0.36 | 16.10 |
| x | 0.00 | 0.67 | 0.75 | 0.86 | 1.14 | 1.67 | 1.20 | 0.00 | 0.75 | 1.33 | 1.17 | 1.50 | 1.67 | 0.00 | 0.00 | 0.50 | 0.14 | 0.00 | 0.00 | 0.00 | 0.20 | 0.80 | 1.00 | 0.50 | 0.60 | 0.75 | 1.20 | 1.43 | 2.00 | 1.50 | 0.00 | 0.75 | 33.43 |
| r | 0.00 | 0.00 | 0.25 | 0.29 | 0.29 | 0.17 | 0.40 | 0.20 | 0.25 | 0.17 | 0.17 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.29 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.38 | 0.20 | 0.43 | 0.17 | 0.50 | 0.00 | 0.14 | 6.16 |
| s | 0.00 | 1.00 | 0.50 | 0.43 | 0.29 | 0.00 | 0.00 | 0.40 | 0.75 | 0.67 | 0.67 | 0.67 | 0.33 | 0.00 | 0.00 | 0.50 | 0.14 | 0.00 | 0.00 | 0.29 | 0.40 | 0.80 | 0.83 | 0.50 | 1.40 | 1.38 | 1.60 | 1.14 | 1.33 | 0.83 | 1.60 | 0.59 | 26.44 |
| a | 1.00 | 0.00 | 0.25 | 0.43 | 0.29 | 0.00 | 0.40 | 0.40 | 0.13 | 0.33 | 0.33 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.60 | 0.40 | 0.83 | 2.00 | 1.40 | 0.63 | 0.60 | 0.86 | 0.33 | 0.17 | 0.60 | 0.41 | 18.32 |
| 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 | 0.14 | 0.33 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.13 | 0.40 | 0.43 | 0.83 | 0.67 | 0.80 | 0.13 | 5.59 |
| k | 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 | 0.57 | 0.67 | 0.83 | 0.86 | 0.80 | 0.80 | 0.33 | 0.33 | 0.00 | 0.13 | 0.80 | 0.57 | 0.17 | 0.17 | 0.00 | 0.23 | 10.07 |
| x | 1.00 | 1.00 | 0.75 | 0.71 | 0.86 | 0.50 | 0.80 | 0.00 | 0.38 | 0.83 | 0.50 | 0.83 | 1.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.57 | 0.40 | 0.20 | 0.00 | 0.33 | 0.40 | 1.50 | 2.00 | 2.00 | 2.00 | 1.83 | 2.00 | 0.74 | 32.83 |
| o | 0.00 | 0.67 | 1.00 | 1.29 | 1.14 | 1.33 | 1.00 | 0.80 | 1.38 | 1.50 | 1.83 | 1.83 | 1.33 | 0.00 | 0.00 | 0.50 | 0.29 | 0.00 | 0.00 | 0.00 | 0.60 | 1.60 | 1.67 | 1.00 | 2.00 | 1.38 | 2.20 | 2.29 | 2.50 | 2.00 | 0.80 | 1.09 | 48.62 |
| i | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.20 | 0.13 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.71 | 0.83 | 0.83 | 0.86 | 1.00 | 1.00 | 1.33 | 2.00 | 1.00 | 0.50 | 0.60 | 0.43 | 0.33 | 0.00 | 0.20 | 0.40 | 17.67 |
| 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 | 0.00 | 0.00 | 0.17 | 0.17 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.02 | 0.89 |
| CV | 7.00 | 11.33 | 11.50 | 12.14 | 8.29 | 3.67 | 10.80 | 13.60 | 12.75 | 12.83 | 12.67 | 13.00 | 8.67 | 0.00 | 0.00 | 13.00 | 38.00 | 50.83 | 49.83 | 49.00 | 50.20 | 54.20 | 44.33 | 65.67 | 46.00 | 43.88 | 78.20 | 71.00 | 62.67 | 47.83 | 61.00 | 31.09 | 100 |
| CVn | 7.00 | 11.33 | 11.50 | 12.14 | 8.29 | 2.67 | 10.00 | 13.60 | 9.63 | 10.00 | 10.00 | 8.00 | 5.67 | 0.00 | 0.00 | 13.00 | 38.00 | 50.83 | 49.83 | 45.00 | 42.60 | 42.40 | 28.83 | 28.00 | 25.60 | 25.50 | 45.20 | 29.29 | 41.83 | 31.17 | 43.60 | 22.60 | 72.68 |
| CVs | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.80 | 0.00 | 3.13 | 2.83 | 2.67 | 5.00 | 3.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 4.00 | 7.60 | 11.80 | 15.50 | 37.67 | 20.40 | 18.38 | 33.00 | 41.71 | 20.83 | 16.67 | 17.40 | 8.50 | 27.32 |
|
