Statistics of sunspot activity
October, 1992
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 | 114.75 | 139.00 | 141.75 | 165.00 | 180.40 | 177.60 | 152.00 | 124.33 | 141.83 | 111.60 | 71.20 | 62.60 | 56.50 | 57.67 | 57.83 | 72.25 | 80.60 | 92.83 | 121.33 | 97.50 | 129.17 | 152.25 | 151.00 | 153.75 | 164.33 | 179.67 | 177.00 | 183.00 | 176.25 | 132.25 | 104.17 | 126.50 | 100 |
| Wn | 67.25 | 79.40 | 84.50 | 95.00 | 93.60 | 75.20 | 63.60 | 50.50 | 42.50 | 32.40 | 13.40 | 13.80 | 12.75 | 27.17 | 29.00 | 45.00 | 43.60 | 45.67 | 72.33 | 57.33 | 65.33 | 80.00 | 81.33 | 71.00 | 70.00 | 56.67 | 45.60 | 32.20 | 27.50 | 22.00 | 17.17 | 52.03 | 41.13 |
| Ws | 47.50 | 59.60 | 57.25 | 70.00 | 86.80 | 102.40 | 88.40 | 73.83 | 99.33 | 79.20 | 57.80 | 48.80 | 43.75 | 30.50 | 28.83 | 27.25 | 37.00 | 47.17 | 49.00 | 40.17 | 63.83 | 72.25 | 69.67 | 82.75 | 94.33 | 123.00 | 131.40 | 150.80 | 148.75 | 110.25 | 87.00 | 74.47 | 58.87 |
| n | 7.75 | 9.20 | 9.25 | 10.50 | 10.40 | 8.80 | 6.60 | 6.33 | 7.33 | 6.60 | 4.60 | 4.40 | 4.00 | 4.33 | 4.17 | 4.75 | 5.20 | 6.33 | 7.00 | 4.33 | 4.83 | 5.00 | 5.00 | 7.00 | 8.33 | 9.00 | 10.00 | 9.20 | 7.75 | 6.75 | 6.17 | 6.80 | 100 |
| A | 0.75 | 1.40 | 1.00 | 2.33 | 1.60 | 1.40 | 1.40 | 0.83 | 1.33 | 1.00 | 1.00 | 2.00 | 1.00 | 0.17 | 0.00 | 0.50 | 0.40 | 1.17 | 2.67 | 0.17 | 0.17 | 0.25 | 0.33 | 0.75 | 1.00 | 0.33 | 0.60 | 0.60 | 0.50 | 0.25 | 0.33 | 0.88 | 12.91 |
| B | 0.00 | 1.80 | 1.50 | 2.50 | 3.40 | 0.80 | 0.40 | 0.83 | 1.00 | 1.20 | 0.60 | 0.20 | 1.50 | 0.67 | 0.67 | 0.75 | 1.40 | 1.17 | 0.33 | 0.17 | 0.50 | 0.50 | 0.67 | 0.75 | 1.33 | 0.33 | 0.00 | 0.20 | 1.25 | 0.75 | 0.83 | 0.90 | 13.28 |
| C | 2.25 | 4.80 | 2.25 | 2.17 | 1.40 | 1.60 | 0.80 | 0.83 | 1.67 | 1.40 | 0.40 | 0.40 | 1.50 | 1.33 | 1.17 | 1.25 | 1.40 | 0.50 | 1.33 | 0.67 | 1.33 | 1.00 | 0.67 | 1.00 | 1.00 | 1.33 | 2.60 | 2.40 | 1.00 | 1.50 | 2.17 | 1.46 | 21.39 |
| D | 2.50 | 1.00 | 2.00 | 2.17 | 2.40 | 3.00 | 3.20 | 2.83 | 2.00 | 2.40 | 1.60 | 1.20 | 0.00 | 0.33 | 0.83 | 1.00 | 0.60 | 2.00 | 1.00 | 1.00 | 0.33 | 0.00 | 0.00 | 0.75 | 1.67 | 2.67 | 3.40 | 2.40 | 2.00 | 0.75 | 0.83 | 1.54 | 22.69 |
| E | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.20 | 0.50 | 0.83 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.75 | 1.00 | 0.67 | 0.00 | 0.40 | 0.75 | 1.25 | 0.67 | 0.36 | 5.32 |
| 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 | 0.25 | 1.00 | 1.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 1.38 |
| G | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.20 | 0.33 | 0.33 | 0.20 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.67 | 0.67 | 0.75 | 0.00 | 0.25 | 0.33 | 0.67 | 0.00 | 0.20 | 0.25 | 0.25 | 0.00 | 0.20 | 2.95 |
| H | 0.25 | 0.00 | 0.50 | 0.50 | 0.20 | 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 | 0.25 | 0.00 | 0.50 | 0.00 | 0.00 | 0.20 | 0.00 | 0.25 | 0.50 | 0.33 | 0.13 | 1.84 |
| I | 2.00 | 0.20 | 1.75 | 0.83 | 1.40 | 1.40 | 0.40 | 0.17 | 0.17 | 0.40 | 1.00 | 0.40 | 0.00 | 1.83 | 1.50 | 1.25 | 1.40 | 1.50 | 1.00 | 0.67 | 0.83 | 1.00 | 1.33 | 1.25 | 1.33 | 3.00 | 3.20 | 3.00 | 1.75 | 1.50 | 1.00 | 1.24 | 18.24 |
| x | 0.75 | 3.20 | 2.50 | 4.83 | 5.00 | 2.20 | 1.80 | 1.67 | 2.33 | 2.20 | 1.60 | 2.20 | 2.50 | 0.83 | 0.67 | 1.25 | 1.80 | 2.33 | 3.00 | 0.33 | 0.67 | 0.75 | 1.00 | 1.50 | 2.33 | 0.67 | 0.60 | 0.80 | 1.75 | 1.00 | 1.17 | 1.78 | 26.19 |
| r | 0.50 | 0.40 | 0.25 | 0.33 | 0.20 | 0.20 | 0.20 | 0.00 | 0.33 | 0.20 | 0.00 | 0.00 | 0.25 | 0.83 | 0.50 | 0.75 | 0.60 | 0.17 | 0.00 | 0.00 | 0.17 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.50 | 0.17 | 0.23 | 3.32 |
| s | 2.25 | 1.80 | 3.00 | 2.83 | 1.80 | 2.80 | 1.60 | 1.83 | 2.33 | 2.40 | 1.20 | 1.00 | 0.25 | 1.33 | 2.50 | 2.25 | 2.60 | 2.83 | 2.00 | 1.33 | 1.50 | 1.50 | 1.00 | 1.25 | 1.33 | 4.00 | 3.60 | 3.60 | 2.00 | 0.75 | 2.33 | 2.03 | 29.78 |
| a | 3.00 | 3.00 | 2.75 | 2.00 | 2.20 | 2.20 | 2.40 | 2.67 | 2.33 | 1.80 | 1.80 | 1.20 | 1.00 | 1.33 | 0.50 | 0.50 | 0.20 | 1.00 | 1.67 | 1.17 | 0.67 | 0.50 | 0.33 | 2.00 | 2.33 | 2.33 | 3.60 | 3.20 | 2.25 | 2.25 | 0.50 | 1.76 | 25.93 |
| h | 1.25 | 0.60 | 0.75 | 0.50 | 0.40 | 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 | 0.33 | 0.67 | 0.33 | 0.75 | 1.00 | 0.75 | 0.00 | 0.00 | 0.40 | 0.40 | 0.25 | 0.50 | 0.33 | 0.30 | 4.46 |
| k | 0.00 | 0.20 | 0.00 | 0.00 | 0.80 | 1.20 | 0.60 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.83 | 1.50 | 1.25 | 1.67 | 1.50 | 2.33 | 2.00 | 1.60 | 1.20 | 1.50 | 1.75 | 1.67 | 0.70 | 10.32 |
| x | 3.00 | 1.60 | 3.25 | 3.67 | 3.20 | 3.20 | 1.80 | 1.00 | 1.50 | 1.40 | 2.00 | 2.40 | 1.00 | 2.00 | 1.50 | 1.75 | 1.80 | 2.67 | 3.67 | 0.83 | 1.00 | 1.50 | 1.67 | 2.50 | 2.33 | 3.33 | 4.00 | 3.60 | 2.50 | 2.25 | 1.67 | 2.24 | 32.99 |
| o | 4.25 | 7.00 | 5.50 | 5.83 | 6.40 | 4.80 | 2.40 | 3.83 | 4.50 | 4.20 | 2.20 | 2.00 | 3.00 | 2.33 | 2.67 | 3.00 | 3.40 | 3.17 | 2.67 | 2.33 | 2.83 | 2.25 | 1.33 | 2.50 | 3.67 | 3.67 | 4.40 | 4.00 | 4.00 | 3.00 | 3.50 | 3.57 | 52.45 |
| i | 0.50 | 0.60 | 0.50 | 1.00 | 0.60 | 0.80 | 2.40 | 1.50 | 1.33 | 1.00 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.33 | 1.17 | 0.83 | 1.00 | 2.00 | 2.00 | 2.00 | 1.00 | 0.60 | 0.80 | 0.50 | 0.50 | 0.33 | 0.78 | 11.47 |
| c | 0.00 | 0.00 | 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 | 0.33 | 0.00 | 0.17 | 0.25 | 0.00 | 0.00 | 0.33 | 1.00 | 1.00 | 0.80 | 0.75 | 1.00 | 0.67 | 0.21 | 3.08 |
| CV | 132.25 | 94.40 | 117.50 | 102.50 | 118.40 | 139.20 | 109.20 | 97.83 | 92.17 | 79.80 | 48.20 | 38.80 | 16.00 | 32.83 | 44.00 | 46.50 | 41.60 | 68.50 | 76.00 | 111.33 | 113.00 | 121.00 | 138.33 | 149.00 | 165.67 | 190.67 | 188.40 | 163.00 | 149.00 | 148.50 | 129.33 | 105.26 | 100 |
| CVn | 59.00 | 40.20 | 61.50 | 50.00 | 41.60 | 41.80 | 34.00 | 32.50 | 33.67 | 32.00 | 11.60 | 3.00 | 1.75 | 13.83 | 20.33 | 32.25 | 22.40 | 34.33 | 36.33 | 53.17 | 58.83 | 61.50 | 59.33 | 65.00 | 62.33 | 67.00 | 41.60 | 21.60 | 6.50 | 5.75 | 2.00 | 35.70 | 33.92 |
| CVs | 73.25 | 54.20 | 56.00 | 52.50 | 76.80 | 97.40 | 75.20 | 65.33 | 58.50 | 47.80 | 36.60 | 35.80 | 14.25 | 19.00 | 23.67 | 14.25 | 19.20 | 34.17 | 39.67 | 58.17 | 54.17 | 59.50 | 79.00 | 84.00 | 103.33 | 123.67 | 146.80 | 141.40 | 142.50 | 142.75 | 127.33 | 69.55 | 66.08 |
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