Statistics of sunspot activity
June, 1983
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 | 89.38 | 101.17 | 96.29 | 124.00 | 106.67 | 138.50 | 155.29 | 153.33 | 138.29 | 113.20 | 104.57 | 89.17 | 119.25 | 106.17 | 109.33 | 118.67 | 88.40 | 108.50 | 141.00 | 154.20 | 172.20 | 189.50 | 188.50 | 171.33 | 171.33 | 125.00 | 110.33 | 92.00 | 84.33 | 84.43 | 124.81 | 100 |
| Wn | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.20 | 0.00 | 0.00 | 21.00 | 35.83 | 37.17 | 47.33 | 33.60 | 42.33 | 76.57 | 97.40 | 111.80 | 129.33 | 139.17 | 124.50 | 110.17 | 81.50 | 65.33 | 43.40 | 33.83 | 27.29 | 41.99 | 33.64 |
| Ws | 89.38 | 101.17 | 96.29 | 124.00 | 106.67 | 138.50 | 155.29 | 153.33 | 138.29 | 111.00 | 104.57 | 89.17 | 98.25 | 70.33 | 72.17 | 71.33 | 54.80 | 66.17 | 64.43 | 56.80 | 60.40 | 60.17 | 49.33 | 46.83 | 61.17 | 43.50 | 45.00 | 48.60 | 50.50 | 57.14 | 82.82 | 66.36 |
| n | 4.13 | 4.67 | 3.71 | 4.33 | 3.67 | 3.50 | 4.43 | 4.17 | 4.43 | 3.60 | 3.14 | 3.00 | 6.00 | 6.33 | 6.83 | 7.50 | 4.40 | 5.83 | 8.00 | 9.00 | 8.20 | 8.17 | 9.17 | 8.67 | 10.50 | 8.00 | 6.67 | 4.80 | 4.67 | 4.14 | 5.79 | 100 |
| A | 0.38 | 1.33 | 0.86 | 0.33 | 0.67 | 0.67 | 0.14 | 0.17 | 0.57 | 0.60 | 0.14 | 0.33 | 0.00 | 0.67 | 0.50 | 1.33 | 0.40 | 1.00 | 1.43 | 1.40 | 1.00 | 0.50 | 1.33 | 1.50 | 1.83 | 0.50 | 0.50 | 0.00 | 0.17 | 0.14 | 0.68 | 11.74 |
| B | 1.13 | 0.50 | 0.00 | 0.50 | 0.33 | 0.33 | 0.29 | 0.00 | 0.57 | 0.00 | 0.00 | 0.00 | 1.25 | 1.17 | 1.17 | 0.33 | 0.20 | 0.50 | 0.86 | 1.40 | 0.60 | 0.83 | 1.00 | 1.83 | 2.17 | 0.50 | 0.83 | 0.20 | 0.67 | 0.71 | 0.66 | 11.44 |
| C | 0.88 | 1.67 | 1.29 | 1.00 | 0.00 | 0.50 | 1.00 | 1.00 | 0.86 | 1.00 | 0.57 | 0.33 | 0.75 | 2.00 | 3.33 | 2.50 | 1.00 | 0.00 | 1.29 | 2.40 | 1.80 | 2.83 | 1.50 | 1.50 | 2.17 | 2.00 | 1.33 | 1.60 | 0.83 | 1.14 | 1.34 | 23.07 |
| D | 0.50 | 0.17 | 0.14 | 0.33 | 0.67 | 0.50 | 0.71 | 0.17 | 0.43 | 0.00 | 0.57 | 0.83 | 1.00 | 0.33 | 0.83 | 1.83 | 2.20 | 3.50 | 3.43 | 3.60 | 4.20 | 3.50 | 4.17 | 2.83 | 2.00 | 2.00 | 1.67 | 1.20 | 1.83 | 0.86 | 1.53 | 26.50 |
| E | 0.75 | 0.17 | 0.00 | 0.00 | 0.33 | 0.50 | 0.86 | 0.83 | 1.00 | 1.00 | 1.43 | 0.83 | 1.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.17 | 0.00 | 0.33 | 0.40 | 0.33 | 0.00 | 0.38 | 6.49 |
| F | 0.00 | 0.83 | 0.86 | 1.17 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.00 | 0.17 | 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 | 0.31 | 5.34 |
| G | 0.38 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.43 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.17 | 0.00 | 0.17 | 0.50 | 0.50 | 0.67 | 0.60 | 0.83 | 1.14 | 0.19 | 3.21 |
| H | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.40 | 0.00 | 0.14 | 0.05 | 0.89 |
| I | 0.13 | 0.00 | 0.57 | 0.67 | 0.67 | 0.00 | 0.43 | 1.00 | 0.00 | 0.00 | 0.00 | 0.50 | 1.75 | 1.50 | 1.00 | 1.50 | 0.60 | 0.83 | 1.00 | 0.20 | 0.40 | 0.33 | 0.83 | 0.50 | 1.67 | 2.50 | 0.67 | 0.40 | 0.00 | 0.00 | 0.65 | 11.31 |
| x | 1.50 | 1.83 | 0.86 | 0.83 | 1.00 | 1.00 | 0.43 | 0.17 | 1.14 | 0.60 | 0.14 | 0.33 | 1.25 | 1.83 | 1.67 | 1.67 | 0.60 | 1.50 | 2.29 | 2.80 | 1.60 | 1.33 | 2.33 | 3.33 | 4.00 | 1.00 | 1.33 | 0.20 | 0.83 | 0.86 | 1.34 | 23.19 |
| r | 0.00 | 0.67 | 0.57 | 0.17 | 0.17 | 0.33 | 0.00 | 0.33 | 0.29 | 0.00 | 0.00 | 0.17 | 0.25 | 0.17 | 0.50 | 1.33 | 1.00 | 0.67 | 0.71 | 0.40 | 0.40 | 0.50 | 1.00 | 0.67 | 1.00 | 0.00 | 0.50 | 0.20 | 0.00 | 0.57 | 0.42 | 7.23 |
| s | 0.63 | 0.67 | 0.86 | 1.17 | 0.17 | 0.17 | 1.43 | 1.33 | 0.14 | 0.60 | 1.14 | 1.17 | 3.00 | 3.67 | 3.67 | 2.83 | 1.40 | 1.33 | 2.71 | 2.00 | 3.00 | 3.50 | 1.83 | 1.33 | 2.83 | 3.50 | 1.33 | 1.80 | 1.33 | 0.43 | 1.70 | 29.35 |
| a | 0.75 | 0.50 | 0.57 | 0.33 | 0.50 | 0.00 | 0.57 | 0.33 | 0.86 | 0.40 | 0.29 | 0.33 | 0.75 | 0.50 | 0.83 | 1.33 | 1.40 | 1.67 | 1.29 | 2.60 | 2.40 | 2.00 | 2.67 | 1.83 | 1.33 | 2.50 | 1.33 | 0.20 | 1.17 | 1.14 | 1.08 | 18.65 |
| h | 0.38 | 0.17 | 0.14 | 0.67 | 0.33 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.75 | 0.17 | 0.17 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.83 | 0.50 | 0.50 | 1.00 | 1.00 | 1.40 | 0.33 | 0.43 | 0.33 | 5.72 |
| k | 0.88 | 0.83 | 0.71 | 1.17 | 1.50 | 1.83 | 2.00 | 2.00 | 2.00 | 2.00 | 1.57 | 0.33 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 0.67 | 1.00 | 1.20 | 0.80 | 0.67 | 0.50 | 1.00 | 0.83 | 0.00 | 1.17 | 1.00 | 1.00 | 0.71 | 0.92 | 15.86 |
| x | 0.50 | 1.33 | 1.43 | 1.33 | 1.33 | 0.67 | 0.57 | 1.17 | 0.57 | 0.60 | 0.14 | 0.83 | 1.75 | 2.17 | 1.50 | 2.83 | 1.00 | 1.83 | 2.43 | 1.60 | 1.40 | 0.83 | 2.17 | 2.00 | 3.50 | 3.00 | 1.83 | 0.80 | 0.17 | 0.29 | 1.39 | 23.94 |
| o | 2.50 | 2.33 | 1.43 | 1.83 | 1.00 | 1.00 | 1.71 | 1.00 | 1.86 | 1.00 | 1.57 | 1.17 | 2.50 | 3.17 | 5.17 | 4.17 | 3.20 | 3.50 | 5.29 | 6.60 | 5.20 | 6.00 | 5.83 | 6.00 | 6.00 | 4.00 | 3.67 | 2.80 | 3.83 | 3.71 | 3.30 | 57.03 |
| i | 1.13 | 1.00 | 0.86 | 1.17 | 1.00 | 1.33 | 1.14 | 1.67 | 2.00 | 2.00 | 1.43 | 1.00 | 1.75 | 1.00 | 0.17 | 0.50 | 0.20 | 0.50 | 0.29 | 0.80 | 1.60 | 1.33 | 1.17 | 0.67 | 1.00 | 1.00 | 1.17 | 1.20 | 0.67 | 0.14 | 1.03 | 17.77 |
| c | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.50 | 1.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 1.25 |
| CV | 80.13 | 67.67 | 60.71 | 102.67 | 99.33 | 104.33 | 131.71 | 116.00 | 111.29 | 105.40 | 100.43 | 78.50 | 104.25 | 68.50 | 68.50 | 83.83 | 59.60 | 96.33 | 121.57 | 137.20 | 140.40 | 137.83 | 150.17 | 128.50 | 133.17 | 128.00 | 141.00 | 137.40 | 109.83 | 82.57 | 106.23 | 100 |
| CVn | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 16.50 | 23.17 | 25.00 | 39.17 | 34.00 | 59.50 | 86.43 | 104.80 | 84.20 | 101.00 | 110.17 | 96.33 | 95.50 | 86.00 | 97.83 | 81.80 | 45.33 | 20.71 | 40.25 | 37.89 |
| CVs | 80.13 | 67.67 | 60.71 | 102.67 | 99.33 | 104.33 | 131.71 | 116.00 | 111.29 | 105.20 | 100.43 | 78.50 | 87.75 | 45.33 | 43.50 | 44.67 | 25.60 | 36.83 | 35.14 | 32.40 | 56.20 | 36.83 | 40.00 | 32.17 | 37.67 | 42.00 | 43.17 | 55.60 | 64.50 | 61.86 | 65.97 | 62.11 |
|
