Statistics of sunspot activity
October, 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 | 31 | Average | % |
| W | 43.33 | 75.40 | 82.57 | 88.57 | 82.14 | 88.29 | 113.67 | 145.60 | 134.67 | 141.17 | 150.40 | 151.67 | 108.50 | 86.67 | 81.40 | 76.67 | 79.67 | 76.25 | 48.20 | 30.50 | 26.00 | 29.00 | 20.00 | 26.75 | 48.00 | 21.40 | 31.33 | 20.25 | 22.50 | 20.40 | 20.00 | 70.03 | 100 |
| Wn | 12.00 | 43.40 | 57.71 | 78.57 | 76.57 | 65.57 | 73.50 | 99.80 | 103.50 | 89.00 | 77.60 | 74.83 | 67.00 | 59.67 | 51.20 | 36.17 | 37.67 | 23.75 | 9.40 | 0.00 | 3.14 | 7.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 37.00 | 52.84 |
| Ws | 31.33 | 32.00 | 24.86 | 10.00 | 5.57 | 22.71 | 40.17 | 45.80 | 31.17 | 52.17 | 72.80 | 76.83 | 41.50 | 27.00 | 30.20 | 40.50 | 42.00 | 52.50 | 38.80 | 30.50 | 22.86 | 22.00 | 20.00 | 26.75 | 48.00 | 21.40 | 31.33 | 20.25 | 22.50 | 20.40 | 20.00 | 33.03 | 47.16 |
| n | 2.00 | 4.40 | 4.29 | 4.71 | 3.57 | 4.57 | 5.83 | 6.40 | 6.33 | 7.17 | 8.60 | 9.00 | 7.00 | 5.17 | 5.00 | 4.50 | 4.33 | 5.00 | 3.80 | 2.50 | 2.29 | 2.60 | 1.75 | 2.25 | 4.00 | 1.80 | 2.33 | 1.75 | 2.00 | 1.40 | 1.25 | 4.12 | 100 |
| A | 0.33 | 0.40 | 0.14 | 0.00 | 0.43 | 1.00 | 1.50 | 1.40 | 0.83 | 0.17 | 0.00 | 0.67 | 1.00 | 0.50 | 0.80 | 0.83 | 1.33 | 1.25 | 1.20 | 1.00 | 1.43 | 1.80 | 1.00 | 1.25 | 2.20 | 1.00 | 0.00 | 1.00 | 1.50 | 0.60 | 0.00 | 0.86 | 20.82 |
| B | 0.00 | 1.20 | 0.43 | 0.57 | 0.29 | 0.57 | 1.00 | 1.60 | 1.17 | 1.83 | 0.80 | 0.67 | 0.50 | 0.17 | 0.00 | 0.17 | 0.33 | 0.25 | 0.20 | 0.25 | 0.14 | 0.20 | 0.75 | 0.25 | 1.20 | 0.60 | 1.33 | 0.50 | 0.50 | 0.60 | 0.50 | 0.60 | 14.55 |
| C | 0.33 | 0.40 | 0.86 | 1.29 | 0.86 | 0.43 | 0.67 | 1.20 | 1.67 | 1.33 | 1.60 | 2.17 | 1.33 | 1.17 | 0.20 | 0.50 | 0.50 | 1.50 | 0.80 | 1.00 | 0.14 | 0.00 | 0.00 | 0.50 | 0.40 | 0.00 | 1.00 | 0.00 | 0.00 | 0.20 | 0.50 | 0.73 | 17.66 |
| D | 0.00 | 0.80 | 0.71 | 0.29 | 0.00 | 1.14 | 1.33 | 1.20 | 1.67 | 2.50 | 4.00 | 3.17 | 2.17 | 2.17 | 2.00 | 1.83 | 1.50 | 1.00 | 0.60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.92 | 22.36 |
| E | 0.17 | 0.00 | 0.29 | 0.29 | 0.29 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.25 | 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 | 0.06 | 1.40 |
| F | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.80 | 0.50 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 1.41 |
| G | 0.83 | 1.20 | 1.57 | 1.00 | 0.86 | 0.71 | 0.67 | 0.20 | 0.50 | 0.83 | 1.00 | 1.00 | 1.00 | 0.33 | 0.00 | 0.17 | 0.00 | 0.25 | 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 | 0.40 | 9.66 |
| H | 0.17 | 0.00 | 0.00 | 0.14 | 0.43 | 0.29 | 0.17 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 1.40 |
| I | 0.17 | 0.40 | 0.29 | 1.14 | 0.43 | 0.29 | 0.17 | 0.00 | 0.00 | 0.33 | 1.00 | 1.33 | 1.00 | 0.83 | 1.60 | 1.00 | 0.50 | 0.50 | 0.60 | 0.25 | 0.57 | 0.60 | 0.00 | 0.25 | 0.20 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.44 | 10.74 |
| x | 0.33 | 1.60 | 0.57 | 0.57 | 0.71 | 1.57 | 2.50 | 3.00 | 2.00 | 2.00 | 0.80 | 1.33 | 1.50 | 0.67 | 0.80 | 1.00 | 1.67 | 1.50 | 1.40 | 1.25 | 1.57 | 2.00 | 1.75 | 1.50 | 3.40 | 1.60 | 1.33 | 1.50 | 2.00 | 1.20 | 0.50 | 1.46 | 35.37 |
| r | 0.00 | 0.00 | 0.14 | 0.29 | 0.29 | 0.00 | 0.00 | 0.20 | 0.33 | 1.00 | 0.20 | 0.50 | 0.17 | 0.33 | 0.20 | 0.17 | 0.17 | 0.50 | 0.40 | 0.25 | 0.29 | 0.60 | 0.00 | 0.25 | 0.00 | 0.00 | 0.33 | 0.25 | 0.00 | 0.20 | 0.50 | 0.24 | 5.92 |
| s | 0.33 | 0.80 | 1.14 | 1.57 | 0.43 | 1.00 | 1.00 | 0.80 | 1.67 | 1.50 | 3.40 | 3.00 | 2.50 | 2.17 | 2.00 | 1.33 | 1.17 | 1.00 | 0.80 | 0.75 | 0.43 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.95 | 23.02 |
| a | 0.00 | 0.40 | 0.43 | 1.00 | 0.71 | 0.86 | 1.17 | 1.40 | 1.33 | 1.67 | 3.00 | 3.17 | 1.33 | 0.83 | 0.60 | 1.00 | 0.33 | 1.00 | 0.60 | 0.25 | 0.00 | 0.00 | 0.00 | 0.25 | 0.60 | 0.20 | 0.33 | 0.00 | 0.00 | 0.00 | 0.25 | 0.73 | 17.80 |
| h | 1.00 | 0.60 | 1.29 | 0.43 | 0.00 | 0.14 | 0.33 | 0.20 | 0.17 | 0.17 | 0.80 | 0.50 | 1.17 | 0.67 | 0.20 | 0.17 | 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 | 0.27 | 6.46 |
| k | 0.33 | 1.00 | 0.71 | 0.86 | 1.43 | 1.00 | 0.83 | 0.80 | 0.83 | 0.83 | 0.40 | 0.50 | 0.33 | 0.50 | 1.20 | 0.83 | 0.83 | 0.75 | 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 | 0.47 | 11.43 |
| x | 0.67 | 0.80 | 0.43 | 1.29 | 1.29 | 1.57 | 1.83 | 1.40 | 0.83 | 0.50 | 1.20 | 2.00 | 2.00 | 1.33 | 2.80 | 1.83 | 1.83 | 1.75 | 1.80 | 1.25 | 2.00 | 2.40 | 1.00 | 1.50 | 2.40 | 1.00 | 0.00 | 1.25 | 1.50 | 0.60 | 0.00 | 1.36 | 32.96 |
| o | 1.17 | 3.60 | 3.57 | 3.14 | 1.86 | 2.71 | 3.33 | 4.20 | 4.83 | 6.33 | 7.40 | 6.83 | 4.50 | 3.33 | 1.40 | 1.83 | 1.50 | 2.75 | 1.80 | 1.25 | 0.29 | 0.20 | 0.75 | 0.75 | 1.60 | 0.80 | 2.33 | 0.50 | 0.50 | 0.80 | 1.25 | 2.49 | 60.44 |
| i | 0.17 | 0.00 | 0.29 | 0.29 | 0.43 | 0.14 | 0.67 | 0.80 | 0.50 | 0.17 | 0.00 | 0.17 | 0.50 | 0.50 | 0.60 | 0.67 | 1.00 | 0.50 | 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 | 0.24 | 5.94 |
| c | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 0.00 | 0.17 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 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 | 0.03 | 0.66 |
| CV | 65.83 | 93.20 | 121.29 | 91.14 | 75.57 | 84.57 | 94.67 | 89.80 | 104.00 | 115.17 | 168.80 | 150.00 | 136.50 | 105.17 | 103.60 | 84.83 | 73.83 | 75.50 | 48.40 | 12.75 | 7.29 | 4.60 | 2.50 | 7.50 | 9.20 | 6.00 | 10.67 | 3.00 | 2.50 | 2.80 | 8.25 | 63.19 | 100 |
| CVn | 17.33 | 45.20 | 76.57 | 72.71 | 74.00 | 67.86 | 61.67 | 62.40 | 84.50 | 82.83 | 89.80 | 92.50 | 96.00 | 74.67 | 71.80 | 50.00 | 47.50 | 46.75 | 26.80 | 0.00 | 0.29 | 0.80 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 40.06 | 63.40 |
| CVs | 48.50 | 48.00 | 44.71 | 18.43 | 1.57 | 16.71 | 33.00 | 27.40 | 19.50 | 32.33 | 79.00 | 57.50 | 40.50 | 30.50 | 31.80 | 34.83 | 26.33 | 28.75 | 21.60 | 12.75 | 7.00 | 3.80 | 2.50 | 7.50 | 9.20 | 6.00 | 10.67 | 3.00 | 2.50 | 2.80 | 8.25 | 23.13 | 36.60 |
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