Statistics of sunspot activity
June, 1984
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 | 60.83 | 47.75 | 38.20 | 41.86 | 32.33 | 29.17 | 32.20 | 30.80 | 34.57 | 37.33 | 51.67 | 58.50 | 55.83 | 67.00 | 104.67 | 110.67 | 95.33 | 67.50 | 76.20 | 98.67 | 66.60 | 62.00 | 64.25 | 77.25 | 67.25 | 63.60 | 48.80 | 52.40 | 64.40 | 53.83 | 59.72 | 100 |
| Wn | 0.00 | 5.75 | 12.40 | 15.29 | 16.33 | 16.33 | 21.20 | 21.40 | 20.14 | 17.33 | 21.33 | 15.00 | 0.00 | 2.80 | 23.00 | 39.33 | 31.50 | 15.33 | 18.00 | 26.00 | 10.20 | 2.60 | 0.00 | 2.75 | 0.00 | 11.00 | 11.20 | 21.00 | 39.40 | 37.83 | 15.82 | 26.48 |
| Ws | 60.83 | 42.00 | 25.80 | 26.57 | 16.00 | 12.83 | 11.00 | 9.40 | 14.43 | 20.00 | 30.33 | 43.50 | 55.83 | 64.20 | 81.67 | 71.33 | 63.83 | 52.17 | 58.20 | 72.67 | 56.40 | 59.40 | 64.25 | 74.50 | 67.25 | 52.60 | 37.60 | 31.40 | 25.00 | 16.00 | 43.90 | 73.52 |
| n | 2.83 | 2.50 | 2.40 | 2.57 | 2.33 | 2.17 | 2.20 | 2.20 | 2.29 | 2.50 | 3.67 | 3.33 | 3.00 | 3.40 | 5.67 | 6.83 | 6.33 | 4.17 | 4.00 | 4.67 | 4.40 | 4.00 | 4.00 | 5.00 | 3.75 | 4.00 | 3.40 | 3.80 | 5.00 | 3.83 | 3.67 | 100 |
| A | 0.50 | 0.00 | 0.00 | 0.14 | 0.00 | 0.17 | 0.40 | 0.40 | 0.29 | 0.33 | 0.50 | 0.33 | 0.00 | 0.00 | 0.50 | 1.00 | 0.50 | 0.33 | 1.00 | 1.00 | 0.80 | 0.00 | 0.00 | 0.50 | 0.00 | 0.40 | 0.20 | 0.20 | 0.40 | 0.00 | 0.33 | 8.98 |
| B | 0.67 | 0.25 | 0.40 | 0.29 | 0.00 | 0.00 | 0.20 | 0.80 | 0.71 | 1.00 | 1.83 | 1.83 | 1.67 | 1.40 | 1.67 | 2.00 | 2.17 | 1.33 | 0.80 | 1.67 | 0.80 | 0.40 | 0.00 | 0.50 | 0.75 | 0.00 | 0.20 | 0.00 | 0.40 | 0.33 | 0.80 | 21.83 |
| C | 0.17 | 0.25 | 0.00 | 0.71 | 1.00 | 1.83 | 1.20 | 1.00 | 1.00 | 1.17 | 0.83 | 1.17 | 0.67 | 0.80 | 0.33 | 0.50 | 1.17 | 0.67 | 0.40 | 0.33 | 1.00 | 1.20 | 0.25 | 0.00 | 0.25 | 0.60 | 0.20 | 0.80 | 1.00 | 1.00 | 0.72 | 19.50 |
| D | 0.67 | 0.50 | 0.20 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.14 | 0.00 | 0.17 | 0.00 | 0.67 | 0.60 | 1.67 | 1.33 | 0.67 | 0.67 | 0.80 | 0.67 | 0.40 | 0.80 | 0.75 | 0.75 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.83 | 0.42 | 11.50 |
| E | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 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 | 0.00 | 0.00 | 0.00 | 0.02 | 0.60 |
| F | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.23 |
| G | 0.33 | 0.75 | 0.80 | 0.86 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.33 | 0.83 | 0.50 | 0.17 | 0.20 | 0.33 | 0.40 | 0.00 | 0.00 | 0.25 | 0.75 | 1.00 | 1.00 | 0.60 | 0.20 | 0.00 | 0.33 | 8.93 |
| H | 0.00 | 0.25 | 0.60 | 0.14 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.17 | 0.17 | 0.00 | 0.00 | 0.20 | 0.00 | 1.00 | 0.75 | 0.50 | 0.00 | 0.00 | 0.40 | 1.20 | 0.50 | 0.21 | 5.66 |
| I | 0.00 | 0.25 | 0.40 | 0.43 | 1.00 | 0.17 | 0.00 | 0.00 | 0.14 | 0.00 | 0.33 | 0.00 | 0.00 | 0.40 | 1.00 | 1.00 | 1.17 | 0.83 | 0.80 | 0.67 | 0.80 | 1.60 | 2.00 | 2.25 | 1.50 | 2.00 | 1.80 | 1.60 | 1.80 | 1.17 | 0.84 | 22.77 |
| x | 1.17 | 0.25 | 0.40 | 0.43 | 0.00 | 0.17 | 0.60 | 1.20 | 1.00 | 1.33 | 2.33 | 2.17 | 1.67 | 1.40 | 2.17 | 3.00 | 2.67 | 1.67 | 1.80 | 2.67 | 1.60 | 0.40 | 0.00 | 1.00 | 0.75 | 0.40 | 0.40 | 0.20 | 0.80 | 0.33 | 1.13 | 30.81 |
| r | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.83 | 0.33 | 0.67 | 0.60 | 0.33 | 0.00 | 0.33 | 0.17 | 0.00 | 0.00 | 0.20 | 0.40 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.17 | 0.16 | 4.37 |
| s | 0.50 | 0.25 | 0.20 | 0.71 | 1.33 | 0.33 | 0.40 | 0.80 | 1.00 | 0.67 | 0.17 | 0.00 | 0.17 | 0.60 | 1.50 | 1.17 | 1.00 | 1.00 | 1.20 | 1.00 | 0.80 | 2.00 | 1.75 | 2.25 | 1.00 | 1.60 | 1.60 | 2.00 | 2.20 | 1.83 | 1.03 | 28.15 |
| a | 0.33 | 0.50 | 0.40 | 0.14 | 0.00 | 0.50 | 0.20 | 0.20 | 0.29 | 0.17 | 0.33 | 0.83 | 0.50 | 0.80 | 1.17 | 1.50 | 1.17 | 0.17 | 0.40 | 0.00 | 0.80 | 0.80 | 1.25 | 0.25 | 1.00 | 1.20 | 1.40 | 1.00 | 0.40 | 1.00 | 0.62 | 16.96 |
| h | 0.50 | 1.25 | 1.20 | 1.00 | 1.00 | 1.17 | 0.80 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.17 | 0.33 | 0.40 | 1.00 | 0.80 | 0.40 | 1.00 | 1.00 | 0.00 | 0.20 | 0.00 | 0.40 | 1.60 | 0.50 | 0.50 | 13.50 |
| k | 0.33 | 0.00 | 0.20 | 0.29 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 1.00 | 1.00 | 0.83 | 0.20 | 0.00 | 0.20 | 0.00 | 0.00 | 0.50 | 1.00 | 0.40 | 0.00 | 0.20 | 0.00 | 0.00 | 0.23 | 6.22 |
| x | 0.50 | 0.50 | 1.00 | 0.71 | 1.00 | 0.33 | 0.60 | 0.40 | 0.43 | 0.33 | 0.83 | 0.33 | 0.00 | 0.40 | 1.50 | 2.17 | 1.83 | 1.33 | 1.80 | 1.67 | 1.80 | 1.60 | 3.00 | 3.50 | 2.00 | 2.40 | 2.00 | 2.20 | 3.40 | 1.67 | 1.37 | 37.41 |
| o | 1.50 | 1.75 | 1.40 | 1.86 | 1.00 | 1.83 | 1.60 | 1.80 | 1.86 | 2.17 | 2.83 | 2.67 | 2.83 | 3.00 | 3.83 | 4.50 | 4.50 | 2.67 | 2.20 | 2.67 | 2.60 | 2.40 | 0.75 | 1.25 | 1.75 | 1.60 | 1.40 | 1.40 | 1.60 | 2.17 | 2.18 | 59.31 |
| i | 0.83 | 0.25 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.17 | 0.00 | 0.33 | 0.17 | 0.00 | 0.17 | 0.00 | 0.33 | 0.00 | 0.00 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.12 | 3.28 |
| 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 |
| CV | 60.33 | 74.75 | 70.80 | 69.14 | 58.00 | 55.50 | 49.80 | 12.40 | 16.43 | 12.67 | 13.83 | 12.67 | 18.50 | 27.40 | 71.33 | 93.67 | 80.17 | 65.83 | 52.20 | 65.00 | 65.40 | 54.20 | 77.25 | 94.25 | 62.50 | 59.00 | 39.60 | 60.60 | 93.00 | 59.17 | 54.85 | 100 |
| CVn | 0.00 | 12.50 | 27.40 | 24.00 | 24.00 | 24.67 | 31.00 | 11.20 | 12.00 | 9.50 | 6.17 | 2.00 | 0.00 | 0.40 | 5.67 | 11.00 | 8.17 | 2.17 | 2.20 | 2.67 | 2.40 | 0.40 | 0.00 | 0.25 | 0.00 | 9.40 | 9.60 | 28.20 | 53.40 | 48.50 | 12.30 | 22.42 |
| CVs | 60.33 | 62.25 | 43.40 | 45.14 | 34.00 | 30.83 | 18.80 | 1.20 | 4.43 | 3.17 | 7.67 | 10.67 | 18.50 | 27.00 | 65.67 | 82.67 | 72.00 | 63.67 | 50.00 | 62.33 | 63.00 | 53.80 | 77.25 | 94.00 | 62.50 | 49.60 | 30.00 | 32.40 | 39.60 | 10.67 | 42.55 | 77.58 |
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