Statistics of sunspot activity
October, 1988
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 | 132.71 | 134.57 | 131.17 | 148.40 | 152.83 | 118.00 | 152.00 | 139.50 | 139.67 | 169.67 | 160.29 | 170.33 | 171.86 | 144.14 | 126.86 | 142.43 | 128.67 | 156.83 | 131.75 | 153.00 | 134.17 | 96.00 | 98.17 | 69.43 | 104.33 | 128.86 | 144.67 | 129.33 | 127.00 | 135.67 | 135.67 | 135.74 | 100 |
| Wn | 97.29 | 80.29 | 74.17 | 86.20 | 88.33 | 61.00 | 76.43 | 62.17 | 59.67 | 73.83 | 65.43 | 68.50 | 78.86 | 78.14 | 79.71 | 88.86 | 89.83 | 94.83 | 78.38 | 109.20 | 99.83 | 64.60 | 75.33 | 38.14 | 63.17 | 94.14 | 111.33 | 95.83 | 77.38 | 71.17 | 66.83 | 79.00 | 58.20 |
| Ws | 35.43 | 54.29 | 57.00 | 62.20 | 64.50 | 57.00 | 75.57 | 77.33 | 80.00 | 95.83 | 94.86 | 101.83 | 93.00 | 66.00 | 47.14 | 53.57 | 38.83 | 62.00 | 53.38 | 43.80 | 34.33 | 31.40 | 22.83 | 31.29 | 41.17 | 34.71 | 33.33 | 33.50 | 49.63 | 64.50 | 68.83 | 56.74 | 41.80 |
| n | 7.00 | 6.29 | 5.67 | 7.00 | 8.00 | 6.14 | 7.57 | 7.50 | 7.17 | 9.33 | 9.57 | 11.00 | 12.29 | 10.57 | 9.43 | 9.00 | 7.83 | 9.67 | 8.25 | 9.00 | 6.17 | 5.20 | 3.00 | 4.14 | 5.83 | 5.00 | 6.50 | 6.67 | 7.38 | 8.83 | 8.67 | 7.60 | 100 |
| A | 0.86 | 1.00 | 0.00 | 0.40 | 1.00 | 1.14 | 0.86 | 0.33 | 0.83 | 1.33 | 1.14 | 1.00 | 1.57 | 2.57 | 1.29 | 1.29 | 0.83 | 0.83 | 0.75 | 1.40 | 1.50 | 0.60 | 0.00 | 0.57 | 0.83 | 0.71 | 0.67 | 0.67 | 1.13 | 1.33 | 1.50 | 0.97 | 12.71 |
| B | 1.71 | 1.00 | 0.33 | 0.80 | 0.67 | 0.14 | 1.00 | 0.00 | 0.83 | 1.83 | 2.14 | 2.83 | 1.29 | 2.57 | 2.57 | 1.86 | 1.00 | 1.17 | 1.50 | 3.40 | 1.17 | 1.20 | 0.00 | 0.00 | 1.00 | 0.29 | 0.83 | 0.33 | 0.38 | 0.67 | 1.17 | 1.15 | 15.14 |
| C | 1.14 | 0.57 | 0.83 | 1.20 | 1.83 | 1.14 | 2.43 | 1.83 | 1.50 | 2.50 | 1.57 | 2.67 | 4.71 | 3.29 | 2.29 | 1.71 | 0.67 | 1.17 | 0.63 | 0.40 | 1.00 | 0.40 | 0.00 | 0.00 | 0.50 | 0.57 | 0.33 | 1.33 | 1.25 | 1.50 | 0.50 | 1.34 | 17.60 |
| D | 1.29 | 1.86 | 1.67 | 0.60 | 1.17 | 0.43 | 1.00 | 1.00 | 1.00 | 0.83 | 1.14 | 1.33 | 1.29 | 0.43 | 0.14 | 1.43 | 2.67 | 2.83 | 1.75 | 0.60 | 0.00 | 0.00 | 0.00 | 0.57 | 0.50 | 0.00 | 0.17 | 1.00 | 0.63 | 0.67 | 1.33 | 0.95 | 12.44 |
| E | 0.57 | 0.57 | 1.00 | 1.00 | 0.67 | 1.00 | 0.43 | 0.17 | 0.17 | 0.33 | 0.29 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.25 | 0.20 | 0.17 | 0.00 | 0.17 | 0.29 | 0.17 | 0.00 | 0.00 | 0.33 | 0.63 | 0.17 | 0.33 | 0.31 | 4.05 |
| F | 0.14 | 0.14 | 0.00 | 0.00 | 0.17 | 0.14 | 0.00 | 0.00 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.80 | 0.83 | 1.00 | 0.83 | 0.71 | 0.83 | 1.00 | 1.00 | 0.67 | 0.25 | 0.00 | 0.17 | 0.30 | 3.97 |
| G | 0.00 | 0.57 | 1.00 | 2.40 | 1.67 | 0.43 | 0.43 | 1.17 | 0.50 | 0.83 | 1.86 | 1.17 | 0.86 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.13 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 1.17 | 0.67 | 0.50 | 6.58 |
| H | 0.29 | 0.00 | 0.50 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.29 | 0.33 | 0.57 | 0.29 | 0.29 | 0.29 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.17 | 0.00 | 0.17 | 0.00 | 0.12 | 1.57 |
| I | 1.00 | 0.57 | 0.33 | 0.40 | 0.83 | 1.71 | 1.43 | 3.00 | 2.17 | 1.50 | 1.14 | 1.50 | 2.00 | 1.43 | 2.86 | 2.43 | 2.67 | 3.00 | 2.75 | 2.20 | 1.50 | 2.00 | 2.00 | 2.00 | 2.00 | 2.43 | 3.33 | 2.17 | 2.63 | 3.17 | 3.00 | 1.97 | 25.95 |
| x | 2.57 | 2.00 | 0.33 | 1.20 | 1.67 | 1.29 | 1.86 | 0.33 | 1.67 | 3.17 | 3.29 | 3.83 | 2.86 | 5.14 | 3.86 | 3.14 | 1.83 | 2.00 | 2.25 | 4.80 | 2.67 | 1.80 | 0.00 | 0.57 | 1.83 | 1.00 | 1.50 | 1.00 | 1.50 | 2.00 | 2.67 | 2.12 | 27.85 |
| r | 0.43 | 0.86 | 0.00 | 0.00 | 0.00 | 0.14 | 0.29 | 0.83 | 0.00 | 0.17 | 0.29 | 0.83 | 2.00 | 0.71 | 1.14 | 1.29 | 0.33 | 0.33 | 0.63 | 0.80 | 0.50 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.13 | 0.33 | 0.00 | 0.42 | 5.47 |
| s | 1.00 | 0.57 | 0.83 | 0.80 | 1.17 | 0.86 | 1.00 | 2.33 | 2.00 | 2.67 | 2.29 | 3.00 | 3.43 | 2.71 | 3.00 | 2.86 | 3.67 | 3.50 | 3.13 | 1.80 | 1.83 | 2.00 | 2.00 | 2.43 | 2.67 | 2.86 | 3.17 | 3.33 | 3.50 | 3.00 | 3.50 | 2.35 | 30.93 |
| a | 1.29 | 0.86 | 1.50 | 1.80 | 2.33 | 1.43 | 2.43 | 2.00 | 1.83 | 1.33 | 1.71 | 1.50 | 2.43 | 1.71 | 1.14 | 1.43 | 1.83 | 2.83 | 1.38 | 0.60 | 0.17 | 0.20 | 0.17 | 0.14 | 0.33 | 0.29 | 0.67 | 0.83 | 0.88 | 2.33 | 1.50 | 1.32 | 17.34 |
| h | 0.29 | 0.14 | 0.17 | 0.20 | 0.00 | 0.29 | 0.14 | 0.00 | 0.00 | 0.17 | 0.14 | 0.33 | 0.29 | 0.29 | 0.29 | 0.29 | 0.00 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.50 | 0.63 | 0.83 | 0.67 | 0.19 | 2.53 |
| k | 1.43 | 1.86 | 2.83 | 3.00 | 2.83 | 2.14 | 1.86 | 2.00 | 1.67 | 1.83 | 1.86 | 1.50 | 1.29 | 0.00 | 0.00 | 0.00 | 0.17 | 0.83 | 0.88 | 1.00 | 1.00 | 1.00 | 0.83 | 1.00 | 1.00 | 0.86 | 0.67 | 0.67 | 0.75 | 0.33 | 0.33 | 1.21 | 15.87 |
| x | 2.14 | 1.57 | 0.83 | 1.00 | 1.83 | 2.86 | 2.29 | 3.33 | 3.00 | 3.00 | 2.57 | 2.83 | 4.14 | 4.29 | 4.43 | 4.00 | 3.50 | 3.83 | 3.50 | 3.60 | 3.00 | 2.60 | 2.00 | 2.57 | 2.83 | 3.14 | 4.17 | 3.00 | 3.75 | 4.67 | 4.50 | 3.06 | 40.22 |
| o | 3.43 | 2.29 | 3.00 | 4.80 | 4.83 | 1.86 | 4.00 | 3.50 | 3.50 | 5.67 | 6.29 | 7.83 | 8.14 | 6.00 | 4.86 | 3.71 | 3.83 | 4.67 | 3.75 | 4.40 | 2.17 | 1.60 | 0.00 | 0.57 | 2.00 | 0.86 | 1.33 | 2.50 | 2.50 | 3.83 | 3.67 | 3.59 | 47.26 |
| i | 1.14 | 2.14 | 1.67 | 1.20 | 1.00 | 1.29 | 1.14 | 0.50 | 0.67 | 0.67 | 0.71 | 0.33 | 0.00 | 0.29 | 0.14 | 1.29 | 0.50 | 1.17 | 1.00 | 0.80 | 0.83 | 1.00 | 0.83 | 0.86 | 1.00 | 0.86 | 1.00 | 1.00 | 1.13 | 0.33 | 0.50 | 0.87 | 11.45 |
| c | 0.29 | 0.29 | 0.17 | 0.00 | 0.33 | 0.14 | 0.14 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.17 | 0.00 | 0.17 | 0.14 | 0.00 | 0.14 | 0.00 | 0.17 | 0.00 | 0.00 | 0.00 | 0.08 | 1.06 |
| CV | 118.29 | 132.43 | 176.00 | 188.00 | 179.00 | 134.29 | 128.14 | 142.17 | 118.50 | 141.33 | 155.14 | 154.33 | 156.86 | 70.29 | 64.57 | 82.29 | 96.00 | 139.17 | 112.63 | 90.20 | 75.67 | 73.60 | 65.33 | 83.00 | 87.17 | 77.29 | 86.17 | 116.50 | 125.63 | 123.83 | 119.17 | 116.55 | 100 |
| CVn | 53.71 | 42.29 | 86.00 | 100.80 | 93.83 | 57.71 | 61.71 | 59.83 | 51.33 | 62.83 | 76.86 | 69.00 | 66.43 | 49.14 | 44.86 | 41.00 | 60.17 | 93.67 | 70.50 | 69.20 | 57.00 | 52.60 | 45.33 | 49.43 | 50.33 | 47.14 | 51.67 | 75.17 | 60.38 | 43.50 | 33.50 | 60.55 | 51.95 |
| CVs | 64.57 | 90.14 | 90.00 | 87.20 | 85.17 | 76.57 | 66.43 | 82.33 | 67.17 | 78.50 | 78.29 | 85.33 | 90.43 | 21.14 | 19.71 | 41.29 | 35.83 | 45.50 | 42.13 | 21.00 | 18.67 | 21.00 | 20.00 | 33.57 | 36.83 | 30.14 | 34.50 | 41.33 | 65.25 | 80.33 | 85.67 | 56.00 | 48.05 |
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