Statistics of sunspot activity
July, 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 | 31 | Average | % |
| W | 44.17 | 58.17 | 83.33 | 112.50 | 75.00 | 69.20 | 103.20 | 92.60 | 81.25 | 89.60 | 78.00 | 76.17 | 57.14 | 41.57 | 43.67 | 30.57 | 23.14 | 27.50 | 35.83 | 44.14 | 31.33 | 25.83 | 33.14 | 45.29 | 38.50 | 26.57 | 15.00 | 11.20 | 15.00 | 16.00 | 17.50 | 49.75 | 100 |
| Wn | 32.83 | 45.83 | 59.33 | 81.50 | 57.50 | 44.20 | 60.20 | 46.80 | 26.75 | 20.60 | 0.00 | 0.00 | 3.14 | 1.71 | 0.00 | 0.00 | 4.86 | 0.00 | 14.00 | 18.00 | 2.17 | 0.00 | 6.29 | 9.43 | 5.50 | 3.14 | 3.83 | 0.00 | 0.00 | 2.75 | 3.75 | 17.87 | 35.93 |
| Ws | 11.33 | 12.33 | 24.00 | 31.00 | 17.50 | 25.00 | 43.00 | 45.80 | 54.50 | 69.00 | 78.00 | 76.17 | 54.00 | 39.86 | 43.67 | 30.57 | 18.29 | 27.50 | 21.83 | 26.14 | 29.17 | 25.83 | 26.86 | 35.86 | 33.00 | 23.43 | 11.17 | 11.20 | 15.00 | 13.25 | 13.75 | 31.87 | 64.07 |
| n | 3.17 | 4.33 | 6.17 | 7.25 | 5.75 | 5.60 | 7.40 | 6.20 | 5.50 | 6.20 | 6.00 | 5.67 | 3.71 | 3.14 | 3.33 | 2.29 | 1.86 | 2.17 | 2.83 | 3.43 | 2.00 | 1.67 | 2.57 | 3.71 | 3.25 | 2.29 | 1.33 | 1.00 | 1.00 | 1.25 | 1.25 | 3.66 | 100 |
| A | 0.00 | 1.17 | 0.67 | 0.75 | 0.75 | 0.20 | 1.00 | 0.60 | 0.50 | 1.60 | 1.00 | 1.50 | 0.71 | 0.57 | 0.00 | 0.71 | 0.29 | 0.17 | 1.17 | 1.43 | 0.50 | 0.00 | 0.71 | 1.43 | 1.25 | 0.71 | 0.17 | 0.20 | 0.00 | 0.25 | 0.25 | 0.65 | 17.87 |
| B | 0.17 | 0.00 | 0.33 | 1.75 | 0.25 | 0.80 | 1.40 | 1.80 | 0.50 | 0.80 | 1.60 | 1.33 | 0.57 | 0.43 | 1.50 | 0.43 | 0.57 | 1.17 | 1.50 | 1.14 | 0.67 | 0.00 | 0.00 | 0.29 | 0.00 | 0.00 | 0.17 | 0.00 | 0.33 | 1.00 | 0.50 | 0.68 | 18.53 |
| C | 0.67 | 1.67 | 1.33 | 1.00 | 3.00 | 1.60 | 2.00 | 1.40 | 1.00 | 1.60 | 1.00 | 1.17 | 0.71 | 0.57 | 1.67 | 1.14 | 1.00 | 0.00 | 0.17 | 0.43 | 0.17 | 0.33 | 0.57 | 0.14 | 0.25 | 0.29 | 0.00 | 0.00 | 0.67 | 0.00 | 0.25 | 0.83 | 22.76 |
| D | 0.67 | 0.50 | 1.67 | 2.00 | 1.00 | 0.80 | 0.80 | 1.40 | 2.25 | 1.60 | 1.20 | 0.83 | 0.86 | 0.71 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.29 | 0.67 | 0.67 | 0.43 | 1.00 | 0.50 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.66 | 18.00 |
| 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 | 0.25 | 0.00 | 0.00 | 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 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.62 |
| H | 0.17 | 0.00 | 0.17 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 0.14 | 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 | 0.03 | 0.94 |
| I | 1.50 | 1.00 | 2.00 | 1.25 | 0.75 | 2.20 | 2.00 | 1.00 | 1.25 | 0.60 | 1.20 | 0.67 | 0.86 | 0.71 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.14 | 0.00 | 0.67 | 0.86 | 0.86 | 1.00 | 1.14 | 1.00 | 0.80 | 0.00 | 0.00 | 0.00 | 0.78 | 21.29 |
| x | 0.17 | 1.17 | 1.00 | 2.50 | 1.00 | 1.00 | 2.40 | 2.40 | 1.00 | 2.40 | 2.60 | 2.83 | 1.29 | 1.00 | 1.50 | 1.14 | 0.86 | 1.33 | 2.67 | 2.57 | 1.17 | 0.00 | 0.71 | 1.71 | 1.25 | 0.71 | 0.33 | 0.20 | 0.33 | 1.25 | 0.75 | 1.33 | 36.40 |
| r | 0.00 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.20 | 0.00 | 0.50 | 0.43 | 0.43 | 0.00 | 0.14 | 0.00 | 0.17 | 0.00 | 0.00 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 2.29 |
| s | 2.00 | 2.00 | 3.33 | 2.75 | 4.00 | 3.60 | 4.40 | 2.20 | 1.75 | 2.00 | 2.00 | 1.50 | 0.29 | 0.86 | 1.17 | 0.86 | 0.86 | 0.50 | 0.00 | 0.71 | 0.33 | 0.83 | 1.00 | 1.43 | 1.00 | 0.86 | 0.67 | 0.40 | 0.33 | 0.00 | 0.00 | 1.41 | 38.50 |
| a | 0.50 | 1.00 | 1.67 | 1.75 | 0.50 | 0.80 | 0.60 | 1.60 | 2.25 | 1.40 | 1.40 | 0.67 | 1.71 | 0.71 | 0.67 | 0.14 | 0.14 | 0.00 | 0.17 | 0.14 | 0.33 | 0.83 | 0.86 | 0.57 | 1.00 | 0.57 | 0.33 | 0.40 | 0.33 | 0.00 | 0.50 | 0.76 | 20.79 |
| h | 0.50 | 0.00 | 0.17 | 0.25 | 0.25 | 0.20 | 0.00 | 0.00 | 0.25 | 0.20 | 0.00 | 0.17 | 0.00 | 0.14 | 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 | 0.07 | 2.02 |
| 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 | 1.67 | 2.17 | 2.83 | 2.25 | 1.50 | 2.40 | 3.00 | 1.60 | 1.75 | 2.20 | 2.20 | 2.33 | 1.57 | 1.43 | 0.00 | 0.71 | 0.29 | 1.00 | 1.17 | 1.57 | 0.50 | 0.67 | 1.57 | 2.29 | 2.25 | 1.86 | 1.17 | 1.00 | 0.00 | 0.25 | 0.25 | 1.47 | 40.10 |
| o | 1.33 | 2.00 | 3.17 | 5.00 | 4.25 | 3.20 | 4.40 | 4.40 | 3.50 | 3.80 | 3.80 | 3.33 | 2.00 | 1.57 | 3.17 | 1.57 | 1.57 | 1.17 | 1.67 | 1.86 | 1.33 | 1.00 | 1.00 | 1.43 | 1.00 | 0.43 | 0.17 | 0.00 | 1.00 | 1.00 | 1.00 | 2.13 | 58.34 |
| i | 0.17 | 0.17 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.25 | 0.20 | 0.00 | 0.00 | 0.14 | 0.14 | 0.17 | 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 | 0.06 | 1.56 |
| 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 | 54.00 | 37.67 | 77.83 | 85.25 | 72.75 | 63.80 | 69.20 | 57.60 | 76.75 | 63.80 | 52.40 | 45.17 | 29.57 | 33.29 | 23.17 | 12.86 | 12.00 | 14.83 | 5.50 | 16.57 | 17.83 | 23.00 | 22.86 | 34.57 | 28.50 | 16.29 | 9.50 | 7.00 | 7.00 | 2.25 | 8.00 | 34.86 | 100 |
| CVn | 44.50 | 29.33 | 56.50 | 57.25 | 45.25 | 29.60 | 30.60 | 18.40 | 14.75 | 6.60 | 0.00 | 0.00 | 1.57 | 0.14 | 0.00 | 0.00 | 0.57 | 0.00 | 1.83 | 9.86 | 0.17 | 0.00 | 0.57 | 0.86 | 0.50 | 0.29 | 0.50 | 0.00 | 0.00 | 0.25 | 0.50 | 11.30 | 32.42 |
| CVs | 9.50 | 8.33 | 21.33 | 28.00 | 27.50 | 34.20 | 38.60 | 39.20 | 62.00 | 57.20 | 52.40 | 45.17 | 28.00 | 33.14 | 23.17 | 12.86 | 11.43 | 14.83 | 3.67 | 6.71 | 17.67 | 23.00 | 22.29 | 33.71 | 28.00 | 16.00 | 9.00 | 7.00 | 7.00 | 2.00 | 7.50 | 23.56 | 67.58 |
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