Statistics of sunspot activity
June, 1998
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 | 59.75 | 71.67 | 67.67 | 89.33 | 98.50 | 84.00 | 83.75 | 85.25 | 92.00 | 99.50 | 82.00 | 107.75 | 108.00 | 90.75 | 64.75 | 62.50 | 83.25 | 58.75 | 50.33 | 74.00 | 77.25 | 56.00 | 85.33 | 50.33 | 77.33 | 97.67 | 122.25 | 129.33 | 131.00 | 118.33 | 85.28 | 100 |
| Wn | 19.50 | 22.00 | 28.67 | 42.67 | 50.75 | 43.75 | 33.50 | 31.50 | 22.75 | 14.50 | 16.00 | 35.75 | 39.00 | 38.75 | 31.50 | 32.50 | 47.25 | 32.50 | 35.67 | 50.33 | 50.50 | 45.00 | 66.00 | 35.67 | 41.00 | 43.67 | 58.50 | 73.00 | 65.67 | 47.00 | 39.83 | 46.70 |
| Ws | 40.25 | 49.67 | 39.00 | 46.67 | 47.75 | 40.25 | 50.25 | 53.75 | 69.25 | 85.00 | 66.00 | 72.00 | 69.00 | 52.00 | 33.25 | 30.00 | 36.00 | 26.25 | 14.67 | 23.67 | 26.75 | 11.00 | 19.33 | 14.67 | 36.33 | 54.00 | 63.75 | 56.33 | 65.33 | 71.33 | 45.45 | 53.30 |
| n | 3.00 | 4.33 | 4.00 | 5.00 | 5.00 | 5.00 | 5.00 | 5.50 | 6.50 | 6.00 | 5.33 | 7.75 | 8.75 | 7.00 | 4.75 | 4.25 | 4.50 | 4.25 | 3.67 | 4.67 | 4.25 | 3.33 | 6.00 | 3.67 | 5.67 | 6.00 | 7.50 | 7.67 | 7.67 | 8.33 | 5.48 | 100 |
| A | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.25 | 1.00 | 0.50 | 0.75 | 1.00 | 1.00 | 0.25 | 1.50 | 1.50 | 1.25 | 0.25 | 0.00 | 0.25 | 0.67 | 0.33 | 0.25 | 0.00 | 0.33 | 0.67 | 2.67 | 0.00 | 0.50 | 0.33 | 0.33 | 0.33 | 0.55 | 10.09 |
| B | 0.75 | 0.67 | 1.00 | 1.67 | 1.75 | 2.25 | 1.00 | 2.00 | 1.25 | 1.50 | 0.67 | 4.25 | 3.00 | 2.00 | 1.00 | 1.00 | 1.50 | 1.25 | 1.00 | 1.33 | 1.00 | 0.33 | 1.33 | 0.00 | 0.33 | 1.00 | 1.00 | 0.67 | 1.33 | 1.33 | 1.31 | 23.83 |
| C | 0.25 | 0.33 | 1.33 | 1.67 | 0.75 | 0.50 | 2.25 | 2.75 | 2.25 | 1.00 | 2.00 | 1.00 | 1.75 | 1.25 | 1.25 | 1.00 | 1.25 | 1.25 | 0.67 | 1.33 | 1.00 | 0.67 | 3.00 | 1.33 | 0.33 | 1.67 | 1.25 | 3.67 | 1.33 | 3.00 | 1.44 | 26.22 |
| D | 2.00 | 1.33 | 1.00 | 1.00 | 1.75 | 1.75 | 0.50 | 0.25 | 0.75 | 1.50 | 0.33 | 0.25 | 0.25 | 0.50 | 0.25 | 0.50 | 0.50 | 0.25 | 0.00 | 0.33 | 1.00 | 1.00 | 0.33 | 0.67 | 1.00 | 1.00 | 2.25 | 1.33 | 1.67 | 0.00 | 0.84 | 15.37 |
| E | 0.00 | 0.00 | 0.00 | 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 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.04 | 0.76 |
| 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 | 0.33 | 0.33 | 0.02 | 0.41 |
| G | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.33 | 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 | 0.75 | 1.00 | 0.00 | 0.33 | 0.11 | 1.93 |
| H | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.75 | 1.00 | 0.75 | 0.00 | 0.00 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.16 | 2.94 |
| I | 0.00 | 0.33 | 0.67 | 0.67 | 0.50 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.25 | 1.00 | 1.00 | 1.50 | 1.00 | 1.00 | 1.00 | 1.33 | 1.00 | 1.33 | 1.00 | 1.00 | 1.33 | 2.33 | 1.75 | 0.67 | 2.00 | 2.67 | 1.01 | 18.46 |
| x | 0.75 | 1.33 | 1.00 | 1.67 | 1.75 | 2.50 | 2.00 | 2.50 | 2.00 | 2.50 | 1.67 | 4.50 | 4.50 | 3.50 | 2.25 | 1.25 | 1.50 | 1.50 | 1.67 | 1.67 | 1.25 | 0.33 | 1.67 | 0.67 | 3.00 | 1.00 | 1.50 | 1.00 | 1.67 | 1.67 | 1.86 | 33.92 |
| r | 0.00 | 0.00 | 0.00 | 0.33 | 1.00 | 0.00 | 0.00 | 0.25 | 1.00 | 0.00 | 0.33 | 0.00 | 0.50 | 0.25 | 0.50 | 0.25 | 0.75 | 0.75 | 0.33 | 0.67 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.75 | 0.67 | 0.33 | 0.33 | 0.34 | 6.19 |
| s | 1.00 | 0.67 | 0.33 | 1.00 | 0.25 | 0.25 | 1.00 | 1.25 | 2.00 | 1.50 | 1.33 | 1.75 | 1.75 | 1.75 | 1.00 | 2.00 | 2.00 | 1.50 | 1.00 | 2.33 | 2.00 | 2.00 | 3.33 | 2.00 | 2.33 | 3.67 | 3.50 | 4.33 | 3.00 | 3.67 | 1.85 | 33.77 |
| a | 1.25 | 1.33 | 1.67 | 1.00 | 1.00 | 1.50 | 0.75 | 0.50 | 0.50 | 1.00 | 1.00 | 0.50 | 1.00 | 0.50 | 0.50 | 0.75 | 0.00 | 0.00 | 0.33 | 0.00 | 0.25 | 0.33 | 0.67 | 1.00 | 0.33 | 0.67 | 1.75 | 1.67 | 2.00 | 2.33 | 0.87 | 15.87 |
| h | 0.00 | 1.00 | 1.00 | 0.67 | 0.50 | 0.75 | 1.00 | 0.50 | 0.50 | 0.00 | 0.33 | 0.25 | 0.50 | 0.75 | 0.25 | 0.00 | 0.25 | 0.50 | 0.00 | 0.00 | 0.25 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.34 | 6.29 |
| k | 0.00 | 0.00 | 0.00 | 0.33 | 0.50 | 0.00 | 0.25 | 0.50 | 0.50 | 1.00 | 0.67 | 0.75 | 0.50 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.22 | 3.96 |
| x | 0.00 | 2.00 | 0.67 | 0.67 | 0.50 | 0.25 | 1.00 | 0.50 | 2.25 | 2.00 | 2.00 | 2.00 | 3.75 | 3.25 | 2.25 | 1.75 | 1.25 | 1.50 | 1.67 | 1.67 | 1.25 | 1.33 | 1.33 | 1.67 | 4.00 | 2.33 | 2.25 | 1.00 | 2.33 | 3.33 | 1.73 | 31.49 |
| o | 3.00 | 2.33 | 3.33 | 4.33 | 4.00 | 4.75 | 4.00 | 5.00 | 4.25 | 3.50 | 3.33 | 5.75 | 5.00 | 3.75 | 2.50 | 2.50 | 3.25 | 2.50 | 1.67 | 3.00 | 2.75 | 1.67 | 4.33 | 1.67 | 1.00 | 3.33 | 4.25 | 5.67 | 4.00 | 4.67 | 3.50 | 63.95 |
| i | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.25 | 0.33 | 0.33 | 0.33 | 0.00 | 0.33 | 0.50 | 1.00 | 0.67 | 0.00 | 0.17 | 3.04 |
| 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 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.50 | 0.00 | 0.67 | 0.33 | 0.08 | 1.52 |
| CV | 47.50 | 75.33 | 70.33 | 75.33 | 77.50 | 72.50 | 79.75 | 64.25 | 79.75 | 86.50 | 73.33 | 76.25 | 78.00 | 75.50 | 42.25 | 37.00 | 43.25 | 45.00 | 37.67 | 35.33 | 50.50 | 59.33 | 61.67 | 38.00 | 49.33 | 62.67 | 101.25 | 99.67 | 118.67 | 86.67 | 66.67 | 100 |
| CVn | 22.00 | 12.67 | 10.33 | 14.33 | 12.75 | 15.75 | 15.25 | 12.00 | 8.75 | 2.00 | 1.67 | 6.50 | 24.00 | 24.00 | 27.25 | 24.00 | 30.25 | 32.00 | 30.33 | 23.33 | 38.25 | 49.33 | 47.00 | 27.67 | 37.00 | 26.00 | 37.50 | 50.00 | 48.67 | 29.33 | 24.66 | 36.99 |
| CVs | 25.50 | 62.67 | 60.00 | 61.00 | 64.75 | 56.75 | 64.50 | 52.25 | 71.00 | 84.50 | 71.67 | 69.75 | 54.00 | 51.50 | 15.00 | 13.00 | 13.00 | 13.00 | 7.33 | 12.00 | 12.25 | 10.00 | 14.67 | 10.33 | 12.33 | 36.67 | 63.75 | 49.67 | 70.00 | 57.33 | 42.01 | 63.01 |
|
