Statistics of sunspot activity
May, 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 | 14.60 | 28.20 | 13.40 | 13.50 | 11.00 | 0.00 | 0.00 | 11.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 14.40 | 13.40 | 19.40 | 29.17 | 33.60 | 28.20 | 37.20 | 36.60 | 23.40 | 26.67 | 21.50 | 28.29 | 17.33 | 24.00 | 22.00 | 15.83 | 12.67 | 15.98 | 100 |
| Wn | 14.60 | 28.20 | 13.40 | 13.50 | 11.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 14.40 | 13.40 | 19.40 | 29.17 | 33.60 | 28.20 | 37.20 | 36.60 | 23.40 | 26.67 | 21.50 | 23.57 | 15.50 | 19.60 | 17.83 | 3.67 | 2.17 | 14.41 | 90.15 |
| Ws | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 11.00 | 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 | 4.71 | 1.83 | 4.40 | 4.17 | 12.17 | 10.50 | 1.57 | 9.85 |
| n | 1.00 | 2.00 | 1.00 | 1.00 | 1.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.20 | 1.00 | 1.40 | 2.17 | 2.40 | 2.00 | 2.40 | 2.60 | 1.20 | 1.17 | 1.00 | 1.29 | 1.17 | 2.00 | 1.83 | 1.33 | 1.00 | 1.10 | 100 |
| A | 0.00 | 0.20 | 0.00 | 0.50 | 1.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.00 | 0.20 | 0.33 | 0.20 | 0.00 | 0.80 | 1.20 | 0.20 | 0.17 | 0.00 | 0.43 | 0.33 | 1.20 | 0.83 | 0.50 | 0.00 | 0.31 | 27.80 |
| B | 0.40 | 0.40 | 0.80 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.20 | 0.67 | 0.60 | 0.00 | 0.20 | 0.80 | 1.00 | 0.17 | 0.00 | 0.00 | 0.33 | 0.20 | 0.17 | 0.33 | 0.83 | 0.26 | 23.42 |
| C | 0.00 | 0.60 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.60 | 0.40 | 1.00 | 0.67 | 0.60 | 0.80 | 0.40 | 0.40 | 0.00 | 0.50 | 0.50 | 0.29 | 0.17 | 0.60 | 0.33 | 0.17 | 0.17 | 0.27 | 24.55 |
| D | 0.60 | 0.80 | 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 | 0.50 | 0.80 | 0.60 | 0.40 | 0.00 | 0.00 | 0.33 | 0.50 | 0.57 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.18 | 16.51 |
| 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 | 0.00 | 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 |
| 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 | 0.00 | 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 |
| 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 | 0.00 |
| I | 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 | 0.60 | 0.60 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.33 | 0.00 | 0.08 | 7.71 |
| x | 0.40 | 0.60 | 0.80 | 1.00 | 1.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.40 | 0.40 | 1.00 | 0.80 | 0.00 | 1.00 | 2.00 | 1.20 | 0.33 | 0.00 | 0.43 | 0.67 | 1.40 | 1.00 | 0.83 | 0.83 | 0.56 | 51.23 |
| r | 0.20 | 0.80 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.40 | 0.60 | 0.33 | 0.00 | 0.60 | 0.80 | 0.20 | 0.00 | 0.33 | 0.25 | 0.29 | 0.33 | 0.40 | 0.67 | 0.50 | 0.00 | 0.23 | 20.80 |
| s | 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 | 0.40 | 0.50 | 1.00 | 0.60 | 0.20 | 0.40 | 0.00 | 0.33 | 0.00 | 0.14 | 0.00 | 0.00 | 0.17 | 0.00 | 0.17 | 0.13 | 12.03 |
| a | 0.20 | 0.60 | 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 | 0.20 | 0.00 | 0.33 | 0.60 | 0.80 | 0.40 | 0.00 | 0.00 | 0.17 | 0.75 | 0.43 | 0.17 | 0.20 | 0.00 | 0.00 | 0.00 | 0.18 | 15.94 |
| 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 | 0.00 |
| 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 | 0.00 | 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 |
| x | 0.00 | 0.20 | 0.00 | 0.50 | 1.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.60 | 0.00 | 0.20 | 0.33 | 0.40 | 0.60 | 1.40 | 1.40 | 0.20 | 0.17 | 0.00 | 0.43 | 0.33 | 1.20 | 1.33 | 0.83 | 0.00 | 0.39 | 35.51 |
| o | 1.00 | 1.80 | 1.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.60 | 1.00 | 1.20 | 1.83 | 2.00 | 1.40 | 1.00 | 1.20 | 1.00 | 0.50 | 0.25 | 0.00 | 0.50 | 0.60 | 0.50 | 0.50 | 1.00 | 0.63 | 56.76 |
| i | 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 | 0.75 | 0.86 | 0.33 | 0.20 | 0.00 | 0.00 | 0.00 | 0.09 | 7.73 |
| 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 | 0.00 | 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 |
| CV | 12.20 | 18.00 | 2.60 | 1.50 | 1.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.00 | 6.60 | 8.00 | 17.50 | 27.60 | 21.40 | 14.40 | 8.00 | 2.20 | 11.17 | 14.50 | 14.71 | 7.67 | 5.40 | 5.83 | 3.33 | 3.50 | 6.91 | 100 |
| CVn | 12.20 | 18.00 | 2.60 | 1.50 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.00 | 6.60 | 8.00 | 17.50 | 27.60 | 21.40 | 14.40 | 8.00 | 2.20 | 11.17 | 14.50 | 14.29 | 7.50 | 5.00 | 4.33 | 0.33 | 0.33 | 6.60 | 95.49 |
| CVs | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 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 | 0.43 | 0.17 | 0.40 | 1.50 | 3.00 | 3.17 | 0.31 | 4.51 |
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